List of United States tornadoes from July to September 2021
Last updated
List of tornadoes in the United States
Tornado warnings and confirmations in July 2021
Tornado warnings and confirmations in August 2021
Tornado warnings and confirmations in September 2021
This page documents all tornadoes confirmed by various weather forecast offices of the National Weather Service in the United States from July to September 2021. On average, there are 134 confirmed tornadoes in the United States in July, 83 in August, and 74 in September.[1]
All three months had varying levels of tornadoes that were produced from tropical cyclones. July was near average with 129tornadoes, with several tornadoes produced by Hurricane Elsa as well as a destructive outbreak at the end of the month. August had 149tornadoes, the first month to be above average since March. Most of the tornado activity came from the tropics, including moderate to severe outbreaks produced by Tropical Storm Fred and Hurricane Ida, the latter of which continued into September. The rest of September, however, saw only isolated tornado activity and was significantly below average with only 28 tornadoes.
Metal roofing was peeled from a business, trees were snapped and knocked down, and numerous tree limbs were downed. Two homes were damaged by falling trees and tree limbs. Corn was flattened in a convergent pattern.[2]
Two pole barns lost most of their roofing, three trailers were overturned, part of a porch roof was uplifted, and a large TV antenna was bent. Trees were uprooted and snapped. Falling tree branches damaged vehicles and destroyed a shed.[3]
The tornado first touched down in the Waverly Hills community in Arlington County and traveled eastward through the county's Cherrydale and Lyon Village neighborhoods. Several homes lost siding and numerous trees were snapped and uprooted, with some downing power lines. A large tree limb struck a home, injuring and briefly trapping one person. The tornado then crossed the Potomac River near the Theodore Roosevelt Bridge and continued eastward along the National Mall in Washington, D.C. The tornado dissipated near 16th Street NW and Constitution Avenue, south of The Ellipse and the White House. Winds uprooted trees and broke their trunks and branches on and near the Mall. Temporary fences erected for the Mall's upcoming July 4 Independence Day events were lifted, twisted and fell near the end of the tornado's path. Portable toilets brought in for the events also toppled over. Straight-line winds damaged trees near other landmarks, including the Lincoln Memorial and the DC War Memorial. Damage amounted to $600,000.[4][5] A Major League Baseball game between the Washington Nationals and Los Angeles Dodgers was stopped due to the tornado nearby.[6]
This tornado caused considerable damage in neighborhoods south of downtown Jacksonville. Industrial buildings suffered heavy damage with metal siding ripped off, roofs peeled back, and debris thrown to the top of a radio tower. Many homes and some apartment buildings were damaged in residential areas, trees were uprooted, and tree limbs were snapped. One large pine tree was snapped and fell on the deck of an apartment building. There was tree damage at University Christian School as well.[16]
In St. Marys, several homes and apartment buildings sustained considerable damage, a garage was destroyed, and trees were downed, some of which landed on structures. Father north, additional damage occurred at an RV park and Naval Submarine Base Kings Bay. Multiple RVs were flipped over, with two flipped completely upside down. One was blown about 200 yards (200m) into a lake, as was a pickup truck. Solar panels were damaged, and several hardwood trees were snapped. 17people were injured. The tornado was initially given a preliminary rating of EF2, but was downgraded to EF1 a few days later.[17]
Multiple homes suffered minor roof and siding damage, two boats on trailers were overturned, two carports collapsed, and power lines were downed. Numerous trees were uprooted and snapped. One person was injured.[18]
The wall of a warehouse collapsed, an equipment shelter was destroyed, and a grain auger was knocked over. Other buildings had minor roof damage. Numerous trees and tree limbs were snapped, and corn was flattened in a convergent pattern.[23]
Several homes in Westernville had their roofs blown off, and numerous trees were uprooted and snapped. Outside of town, a barn lost its roof and crops were damaged.[29]
A picnic shelter was destroyed, with patio furniture and other debris scattered and the roof dropped into a swimming pool. A condominium office lost its front door and sustained a buckled wall. Fences were blown over and numerous trees were uprooted and snapped, with one tree falling on a house.[32]
A few houses suffered minor damage and vinyl fences were blown down, with debris from one fence striking a home. Trees were snapped and uprooted and numerous tree limbs were downed.[33]
July 10 event
List of confirmed tornadoes – Saturday, July 10, 2021[note 1]
150 homes in Dexter were damaged as a result of this multiple-vortex tornado. One home suffered significant roof loss, with half a dozen other homes sustaining heavy damage due to fallen trees. Several mobile homes were damaged or destroyed as well. Several garages were removed from their foundations, and three large buildings received major roof damage. A hospital had shattered windows, ceiling panels blown down, and a structure attached to the hospital was blown away. Vehicles were damaged from flying debris, including some with broken windows, and hundreds of trees were snapped or uprooted.[42]
July 11 event
List of confirmed tornadoes – Sunday, July 11, 2021[note 1]
This large multiple-vortex tornado moved through Lake City, downing trees, signs, and power lines and also inflicting roof damage to homes. A bus shed was heavily damaged, and metal debris from the structure was thrown onto a nearby athletic field. The most severe damage occurred outside of town, where multiple large poultry barns were completely destroyed, and a two-story home at a farmstead sustained total loss of its second floor, and some collapse of first floor exterior walls. Trees were snapped and denuded, a couple of trucks were tossed or overturned, and barns and grain bins were destroyed as well. Damage was $2.5 million.[47]
This tornado remained over fields for most of its path, though it inflicted some tree damage on a farmstead shortly before roping out. Its track was enhanced using hi-resolution satellite imagery.[48]
A brief tornado was reported by a storm chaser southeast of Allison. Its track was determined using hi-res satellite imagery, since no damage indicators were impacted.[51]
This tornado touched down near Shell Rock and impacted several farmsteads, causing tree and structural damage. The most intense damaged occurred elsewhere as a well-built outbuilding was destroyed, severe tree damage occurred, and a high-voltage power line was downed. Minor tree and structure damage occurred in other areas along the path.[53][54][55]
Minor tree damage occurred on a farmstead. An emergency manager report and hi-res satellite imagery were used to determine the path of this tornado.[59]
A tornado impacted a high school in Oelwein, damaging the ticket booth and fencing, as well as ripping metal siding off stands. The sides of a greenhouse were blown out, the FFA's chicken coop was tipped over, and the school roof was lifted. At a nearby restaurant, an air handler unit was ripped off and windows were broken. Some crops and trees were damaged along the tornado's path.[61][62]
The tornado moved through farmland and wooded areas. A farmstead was impacted near the end of its path, where an outbuilding was destroyed and a barn lost its roof.[69][77]
Shingles were removed from the roof of a home. A playscape was lofted and landed 50ft (15m) away. Another home sustained damage to a corner of its roof. Trees were uprooted, twisted, and snapped. Two cars were destroyed by falling trees as well.[81]
July 20 event
List of confirmed tornadoes – Saturday, July 20, 2021[note 1]
A waterspout formed offshore of Port Austin. The waterspout moved onshore and destroyed an outbuilding. A fence was also damaged, as well as a field of soybean crops and some trees.[84]
Three garages were either partially or completely destroyed. Some homes sustained minor roof and structural damage. Sporadic tree and crop damage occurred along the path.[85]
Several homes were damaged, including shingle and roof damage. One home's garage door was completely blown off. Trees were snapped or uprooted, with some falling onto a home causing damage and injuring one person. The tornado eventually tracked into Pontiac Lake. While crossing the lake, the tornado damaged homes on two peninsulas before it dissipated.[86]
This tornado caused considerable damage in Armada. One older home completely lost its roof, with some upper walls collapsing as a result. A couple other homes sustained severe roof damage, while many other homes received minor roof damage. Numerous trees were snapped or uprooted in town as well. The tornado exited Armada and tore a large section of roof from a home before dissipating.[87]
July 26 event
List of confirmed tornadoes – Monday, July 26, 2021[note 1]
A waterspout formed over the southern edge of Lower Red Lake and quickly moved onshore just east of Red Lake Senior High School. As the tornado crossed MN 1, it broke a light pole and toppled signage near a Humanities Center. Large portions of roofing and trim were torn from the building. Steel roofing panels were also torn off sheds at a MnDOT facility. Numerous trees were snapped or uprooted along the path.[88]
Another waterspout formed over the southern edge of Lower Red Lake and quickly moved onshore just east of Redby. Many trees were snapped or uprooted as this tornado tracked through a heavily forested area.[89]
A few houses sustained roof and exterior damage, one of which had its attached garage completely destroyed with debris strewn through a nearby farm field. Outbuildings were damaged or destroyed, and trees were snapped or uprooted.[95]
Trees were snapped or uprooted, and tree limbs were downed. Crop damage occurred, and a metal roof panel was ripped from a barn and thrown into a field.[100]
Many trees and tree limbs were downed in West Middleton, a few of which landed on homes. A garage door was also damaged by flying tree debris. Homes sustained minor shingle damage, and a house that was under construction sustained collapse of its roof and exterior walls.[101]
A tornado moved through the northern part of Verona, downing trees and tree branches. One large but rotten tree trunk was snapped, a basketball hoop was blown over, and houses had fascia and gutters ripped off. Shingles were torn from the roof of an apartment building as well.[102]
Trees were damaged, outbuildings were destroyed, and a house had a large section of roofing torn off. Another home sustained siding damage as well.[103][104]
This tornado caused considerable damage to trees, outbuildings, and houses in and around the small community of Concord. Flag poles were bent over at a park in town, sheet metal was wrapped around power lines, and power poles were snapped. One tree fell through the roof of a home.[105][104]
The tornado struck a small lake where it sunk boats and flipped docks. Part of a dock was thrown 150ft (46m) into the second floor of a home, and additional trees and tree limbs were downed before the tornado dissipated.[109][104]
A brief tornado caused damage in a subdivision the southwest edge of Waukesha. Many trees were snapped or uprooted, and tree limbs were downed.[111][104]
A brief tornado unroofed two barns, destroyed a garage and blew it into a field, toppled a chimney, and blew a semi-truck off a road. Numerous trees were downed and corn was flattened.[112]
Several trees were snapped or uprooted as the tornado touched down at Northern Lehigh High School. The roof of a wooden dugout at the school's baseball field was torn off, and some metal bleachers were tossed. The tornado continued east to the Slatington Airport, where an airplane hangar door was blown out and a small plane was tossed. Tree damage was also observed at the airport before the tornado dissipated.[119]
This tornado caused considerable damage in and around New Athens, where a shed was completely swept away and destroyed with only the concrete foundation remaining. A few homes and other structures in town were damaged, including a house that lost much of its roof, with pieces of the roof being found as far as 1.4mi (2.3km) away in a field. Several power poles were snapped, wooden fence posts anchored in concrete were pulled out of the ground, and large trees were snapped or uprooted along the path.[120]
A strong tornado cut a path of severe tree damage through a large wooded area, and one hillside was completely deforested, with many large trees snapped or uprooted. A farm home sustained broken windows and a toppled chimney. Crops were damaged, and a metal shed was destroyed as well.[121]
A brief tornado struck the Snowden Square shopping mall along Snowden River Parkway, where a BJ's store had a section of its wall facade removed, and shopping carts were lofted and thrown. Small trees and large branches were snapped as well.[122]
This tornado downed numerous trees outside of town, and one house was damaged by falling trees and a power line. Numerous trees were snapped or uprooted in a small valley along the western fringes of Bergholz before the tornado dissipated.[123]
A very small and brief tornado ripped sheet metal roofing from a barn and tossed the pieces downwind. Minor crop damage occurred, and a wooden 2x4 was thrown and punctured through the exterior wall of a metal shed.[125]
Trees were downed, a children's playset was blown over, a portable toilet was thrown 40ft (12m), a vehicle was moved a few feet, and crop damage occurred.[127]
In Wintersville, one single-family home sustained destruction of its attached garage and had partial loss of its roof, while other homes sustained minor to moderate roof damage. Extensive tree and fence damage was also observed, and a wooden 2x4 was found lodged into the exterior wall of a church. Metal roofing and signs were damaged as well. One business, one church, and 23 homes were damaged in the Wintersville area.[129][130]
Trees were damaged as the tornado first touched down just outside of New Hope, PA along the west bank of the Delaware River. After crossing the river into New Jersey, the tornado briefly entered and exited Hunterdon County. As it entered Mercer County, countless large trees downed as the tornado moved through wooded areas. Significant tree damage continued farther along the path as the tornado crossed Baldpate Mountain, with numerous large hardwood trees snapped or uprooted. Many additional trees were downed as the tornado moved through Washington Crossing State Park and Titusville, lifting just before it reached heavily populated areas near Trenton Mercer Airport.[132][133]
A weak tornado briefly touched down at Blacklick Valley High School, where bleachers were displaced near the football field, a portable toilet was knocked over, and a few trees were snapped.[135]
A rain-wrapped low-end EF3tornado caused major damage in the northeastern suburbs of Philadelphia, with the most intense damage occurring in Trevose and Bensalem. Several car dealership buildings sustained severe structural damage, with loss of roofs and exterior walls, and one building that largely collapsed. Many vehicles were flipped, thrown, or damaged by flying debris, and a large HVAC unit was thrown 200yd (180m). A storage trailer near one of the dealerships was lofted and dropped into an adjacent mobile home park, where multiple mobile homes were damaged, and one was completely destroyed. Seven warehouse buildings were damaged at an industrial park, one significantly, and a small utility building lost its roof. Several site-built homes, a church, a hotel, Walmart, Home Depot, and Lowe's sustained minor damage as well. A large billboard, many trees, fences, signs, light and flag poles, and power lines were also downed along the path. Five people were injured. This was the first EF3 tornado in Bucks County since reliable records began in 1950, and the first EF3 tornado in Pennsylvania since July 14, 2004.[138][139][140]
A brief, weak tornado touched down in the Bustleton neighborhood of Northeast Philadelphia. An apartment complex and other buildings sustained minor roof and siding damage. One building had ceiling panels pulled downward, and insulation was removed from a car park area. Some trees were snapped as well. It is believed this was an anticyclonic tornado based on radar data.[141]
The tornado caused a narrow path of considerable tree damage. It also impacted a cemetery, knocking over numerous gravestones in different directions.[143]
One building was damaged on the immediate western shore of Barnegat Bay as the tornado first developed. It moved over the bay as a waterspout. The waterspout became a tornado once again as it made landfall in High Bar Harbor, west of Barnegat Light. Multiple houses sustained partial to total roof loss, a car was moved, and some boats were flipped, moved, or damaged. Homes also had broken windows, siding stripped off, and damage to porches and sunrooms. A wooden 2x4 was speared through the exterior wall of one house, and a boat trailer was thrown 50ft (15m). Many trees and power poles were also snapped along the path. The tornado dissipated over a cove just west of Barnegat Light. 8 minor injuries were reported.[147]
July 31 event
List of confirmed tornadoes – Saturday, July 31, 2021[note 1]
Two homes suffered roof and fascia damage, a well-built swing set was destroyed with parts thrown into a pond, and a well-built vinyl fence was destroyed. Large trees were uprooted and tree limbs were downed.[148]
A couple of small trees were knocked down and medium to large-sized tree branches were snapped. The tornado became a waterspout as it moved over the Intracoastal Waterway before dissipating.[150]
The tornado first moved through the southern fringes of Boscobel, where an RV camper was destroyed, trees and power lines were downed, and a metal warehouse building and a few other structures sustained minor to moderate roof damage. The tornado widened and intensified dramatically as it exited town, damaging or destroying multiple homes east-southeast of Boscobel. Some homes sustained loss of roofs and exterior walls, and the most intense damage was noted at a well-built two story home that had its entire top floor blown away and obliterated, with a large portion of the first floor completely destroyed as well. Damage to this home was classified as high-end EF3. Several barns and outbuildings were destroyed, debris was strewn through fields, and power poles were snapped as well. Numerous trees were snapped, denuded, and stripped of foliage along the path.[153][69]
One house lost its porch roof, one sustained minor shingle damage, and another had broken windows. A barn door was blown in. Trees were uprooted and snapped.[156][69]
This tornado briefly touched down in the northern part of McHenry, where a townhouse complex sustained partial roof loss. A barn and ground marker were damaged at the historic Colby-Petersen Farm, and a few other structures sustained damage to their siding and porches.[169]
This photogenic cone tornado was caught on video by numerous storm chasers. Multiple farms were struck by the tornado, with many outbuildings being damaged or completely destroyed. Numerous trees were snapped, and homes sustained roof damage and shattered windows.[175]
This tornado impacted several farms, damaging or destroying outbuildings and silos. A house sustained minor roof damage, and a storage trailer was flipped onto its side. Crops and trees were damaged as well.[177]
Four farmsteads were damaged by this tornado. Three sheds and a well-built outbuilding were destroyed, trees were snapped, and corn and soybean crops were damaged.[179]
Two walls and the roof of a pole shed were torn off. Steel siding and roofing of several farm buildings were peeled at a farmstead. Some debris was thrown up to 500yd (460m) to the east and southeast. Roof trim, shingles, and siding was damaged at three other farmsteads. Several trees were snapped.[185]
Homes in town sustained roof, gutter, and window damage. Pieces of sheet metal were torn from the roof of one home and thrown 200yd (180m), damaging the roof of a school. Many trees and tree limbs were snapped, and one tree branch was thrown into a house, causing significant damage to a balcony. A large metal shipping container was shifted 2ft (0.61m) as well.[191]
A barn was destroyed and hardwood trees were snapped near the start of the path. Much of the path consisted only of sporadic tree and crop damage.[192]
Many homes sustained minor damage, including one with blown-out windows, and a few suffered significant damage from falling trees. Boathouses, outbuildings, and sheds were destroyed. Numerous trees and tree limbs were downed.[208]
Several houses were damaged; one lost part of its roof and another was damaged by a large tree. Two barns were destroyed, a large camper was flipped, and several outbuildings were damaged. Numerous trees were uprooted and snapped.[211]
The tornado initially produced minor tree damage. It then crossed Lake Murray and uprooted and snapped more trees. Several fell on and damaged homes, a boat house, and two boats. This tornado occurred at the same time as the Leesville tornado to the west.[222][223][224]
A church sustained minor roof damage and fences were damaged by tornadic winds and falling tree limbs. Trees were uprooted and snapped and tree limbs were broken.[226]
An intermittent tornado caused minor roof damage to a house and garage, flipped a horse trailer, and toppled a tree over onto a fence. Some additional trees were damaged and corn was damaged in a convergent pattern.[232]
A house lost its porch roof and had damage to its main roof. Skirting was blown from a mobile home. Numerous trees were uprooted and snapped; some fell on cars.[235]
One business lost part of its roof, a garage lost its metal roof, and several homes suffered roof and siding damage. Trees and tree limbs were downed.[236][237]
An intermittent tornado downed numerous trees and power lines and caused minor property damage. It dissipated as a waterspout on Lake Chaubunagungamaug.[239][240]
This tornado initially caused mainly tree damage, before strengthening as it moved towards the center of Iuka, where several homes suffered roof damage and storage buildings were damaged or destroyed. This tornado formed in an area where no tornado risk had been delineated by the Storm Prediction Center, under an unstable airmass and a weak upper-level disturbance.[252]
This tornado was confirmed using high resolution satellite imagery. No damage was found. Based on striation patterns in fields hit by this tornado, it was likely an anticyclonic tornado.[263]
Several farms and buildings were damaged; one farm had nearly all its outbuildings destroyed. Several large propane tanks were overturned. Trees and crops were damaged.[265]
August 28 event
List of confirmed tornadoes – Saturday, August 28, 2021[note 1]
An outbuilding was destroyed, structures in town sustained roof damage, and trees were uprooted or snapped. One tree fell on and damaged a barn, and the upturned roots of another tree damaged the porch of a house. A trampoline was thrown into a treetop and mangled.[267][268]
A waterspout moved onshore from the Gulf of Mexico damaging several homes, with one sustaining extensive roof damage. It continued to damage homes as it tracked northwest into the Bay of St. Louis. The tornado tracked near Diamondhead as it moved onshore from the bay. Shingles were removed from the roof of a nursing center as the tornado crossed I-10 before dissipating shortly thereafter. Trees were snapped or uprooted along the path as well.[283][284]
Numerous trees and tree limbs were downed, including one large tree that was uprooted onto two houses. A house, a strip mall, and another building sustained roof damage as well.[285]
A waterspout moved onshore and caused minor damage to the roofs of several homes and an apartment complex. Several trees were also snapped or uprooted.[289]
A waterspout formed over the Mississippi Sound and moved inland. Several homes and a detached garage were damaged, trees were snapped or uprooted, and power lines were snapped.[291]
Several homes sustained minor roof damage. Portions of roofing were torn off at a bank and a restaurant, and trees and fences were damaged along the tornado's path.[297]
The roof of a motel was partially removed just west of US 43 in Saraland, and several sections of another motel's roof were removed. The roof of an industrial building was partially removed and an 18-wheeler was overturned. Trees were uprooted or snapped along the path, including some that fell onto a home near I-65. Three people were injured.[299] In November 2023, this tornado was reanalyzed and had its path length adjusted from 9.96mi (16.03km) to 16.62mi (26.75km) due to a narrow swath of uprooted and snapped trees noted on Planet and Worldview satellite imagery. The ending point was also extended further to the northeast into the Mobile River delta.[300]
In November 2023, a new tornado was found along the Alabama River based on a narrow swath of tree damage noted on Planet and Worldview satellite imagery.[300]
A mobile home was rolled and another home lost much of its roof. Trees were snapped or uprooted as the tornado tracked through a heavily wooded area.[301]
Trees were downed onto a mobile home. Farther along the path, the doors and siding of a warehouse were damaged and the roof of a shed was peeled off.[304]
Bleachers and a dugout at the Dale City High School were damaged. Numerous homes in Midland City sustained minor roof damage, and trampolines were lofted into the air. Several trees were also blown down, some of which fell onto and damaged a home.[307]
This damaging tornado first touched down in Owensville before moving north-northeastward, downing trees and tree branches. As it entered the south side of Edgewater, it strengthened and struck a subdivision, where multiple homes had large sections of their roofs torn off, and one was unroofed entirely. The Center of Applied Technology South and South River High School both sustained roof damage, while the concession stand and football field grandstands were also damaged. Many homes suffered considerable roof, siding, and porch damage as the tornado moved farther north-northeast through residential areas. After crossing the South River, the tornado reached peak strength and struck several neighborhoods in Annapolis. Numerous homes, apartment buildings, businesses, warehouses, and restaurants had their roofs ripped off or sustained significant roof and siding damage, including a warehouse that sustained some collapse of exterior walls. Numerous windows were also shattered, signs were destroyed, and many power lines and trees were downed, some of which landed on homes. The tornado weakened and caused additional tree and roof damage as it approached US 301/US 50 before lifting just after crossing it.[310]
A high-end EF0tornado developed at the confluence of the Patapsco River and Chesapeake Bay and moved north-northeastward, crossing the Shallow Creek, Back River, and Browns Creek. Trees and branches were snapped along the path before it dissipated near the Middle River.[311]
This low-end EF2tornado first caused significant damage in the Wiltshire subdivision at the east edge of Oxford. A home lost an exterior wall, another home lost a large part of its roof and much of its siding, and several other homes were damaged to a lesser degree. An outbuilding was damaged and an RV was flipped at a business near the subdivision as well. The tornado weakened as it continued to the north, damaging a metal storage building, turkey pens, outbuildings, power poles, trees, and crops before dissipating. Damage totaled $500,000.[312]
A 40ft (12m) section of roofing was torn off of a metal building. Several large irrigation systems were flipped, and damage to soybean and corn crops also occurred.[313]
1death – This rain-wrapped, strong tornado touched down near the Philadelphia Cricket Club southwest of Whitemarsh, where minor low-end EF1 tree damage occurred. Additional minor damage occurred to homes and trees in and around Fort Washington State Park. The tornado strengthened to high-end EF1 intensity as it moved through Whitemarsh, crossed the Pennsylvania Turnpike, and moved into a more residential area as it entered Fort Washington, where many trees were snapped, and numerous homes sustained minor to moderate roof and siding damage. The tornado then rapidly intensified and reached its peak intensity of high-endEF2 as it crossed PA 309 in Upper Dublin. Numerous homes and apartment buildings sustained partial to total loss of their roofs, and one sustained collapse of some exterior walls. Almost all trees in this area were uprooted or snapped, and cars were flipped or damaged by flying debris. Upper Dublin High School sustained roof damage, a large building adjacent to the school lost a significant portion of its roof, and power poles were snapped. Homes near the school were damaged, and one woman was killed when a large tree fell onto her house on Kenyon Drive. The tornado weakened to high-end EF1strength as it continued to move to the northeast, flattening a wide swath of trees in a wooded area and causing severe roof damage to buildings on the campus of Temple University Ambler. Homes were damaged in a nearby neighborhood as well, a few of which also had large sections of roofing torn off. Many additional trees were downed, and mostly minor roof damage to homes, commercial buildings, and a veterinary hospital occurred in Maple Glen before the tornado quickly dissipated near the Bucks County line. Damage totaled $5 million and two people were injured.[314]
This tornado came from the same storm that produced the previous tornado above. It moved through a forested area, damaging and knocking down trees, some of which blocked roads.[315]
Some trees were uprooted at the Jericho National Golf Club. Additional tree damage was found along with several flipped soccer goals at Brownsburg Park. The tornado dissipated just before crossing the Delaware River.[316]
This tornado came from the same storm that produced the Mullica Hill EF3tornado. Trees and power lines were damaged along the path and a few homes sustained minor damage. Several pictures and videos were taken, particularly as the tornado crossed the Delaware River between Burlington and Bristol. A tornado emergency was issued for this tornado, the first of its kind to be issued in the Northeast.[317][318]
This tornado was the last produced by the Mullica Hill supercell. Trees and branches were snapped and uprooted in town, but no structural damage occurred.[319]
September 2 event
Event in Massachusetts was associated with Hurricane Ida.
List of confirmed tornadoes – Thursday, September 2, 2021[note 1]
Several homes and businesses sustained minor to moderate damage along the path. A power pole was found leaning, while trees were uprooted and tree limbs were snapped.[321]
September 7 event
List of confirmed tornadoes – Tuesday, September 7, 2021[note 1]
Several outbuildings and a silo were destroyed, power poles were snapped, and two 1,000-pound (450kg) hay bales were tossed. Significant tree damage occurred.[322]
A short-lived, intermittent tornado downed over a dozen trees and damaged many other, some of which had their tops sheared off. Power lines were damaged as well.[326]
This tornado caused minor siding damage to a mobile home, and moved a boat and an antique plow. High-end EF1 damage occurred in a wooded area, with numerous trees snapped or uprooted. A shed and above-ground swimming pool were crushed by falling trees as well.[328]
September 17 event
List of confirmed tornadoes – Friday, September 17, 2021[note 1]
Nine structures were damaged or destroyed by this tornado, and a semi truck was rolled, injuring the driver. Sporadic tree and crop damage occurred.[335]
September 22 event
List of confirmed tornadoes – Wednesday, September 22, 2021[note 1]
The tornado outbreak of March 28–31, 2007, also known as the Late-March 2007 tornado outbreak, was a tornado outbreak that took place across the central United States. It developed in the High Plains from South Dakota to central Texas on March 28, 2007, which produced most of the tornadoes. Several more tornadoes were reported the next three days before the system weakened on March 31. It affected western Nebraska, western Kansas, extreme eastern Colorado, and much of Oklahoma, and Texas. It was the second major outbreak of 2007, four weeks after an outbreak farther east. The outbreak produced 80 confirmed tornadoes, with five deaths and extensive damage being reported. In addition to the tornadoes, widespread hail as large as softballs and destructive straight-line winds as strong as 90 mph (140 km/h) were reported.
An unseasonably strong tornado outbreak began on January 7, 2008, and continued for nearly four days across the Central and Southern United States, with the hardest hit area being southwestern Missouri, northwestern Arkansas, and the surrounding area. In addition, a strong supercell in northern Illinois and southeastern Wisconsin produced that region's first January tornadoes since 1967.
A satellite tornado is a tornado that revolves around a larger, primary tornado and interacts with the same mesocyclone. Satellite tornadoes occur apart from the primary tornado and are not considered subvortices; the primary tornado and satellite tornadoes are considered to be separate tornadoes. The cause of satellite tornadoes is not known. Such tornadoes are more often anticyclonic than are typical tornadoes and these pairs may be referred to as tornado couplets. Satellite tornadoes commonly occur in association with very powerful, large, and destructive tornadoes, indicative also of the strength and severity of the parent supercell thunderstorm.
An extended period of significant tornado activity affected the Midwest and Southern United States from April 19 to April 24, 2011, with 134 tornadoes being spawned across six days. The outbreak sequence produced an EF4 tornado that tore through the St. Louis metropolitan area on April 22, while other tornadoes caused damage in Illinois, Indiana, Ohio, Kentucky, Texas, Oklahoma, and other parts of Missouri during the period. No fatalities were reported in this outbreak sequence. This event was directly followed by the largest tornado outbreak in the history of the United States.
The tornado outbreak of March 6–7, 2017 was a widespread severe weather and tornado outbreak that affected portions of the Midwestern United States in the overnight hours of March 6–7. Occurring just days after a deadly and more significant event across similar areas just a week prior, this particular outbreak led to 63 tornadoes within a 91⁄2-hour period as a quasi-linear convective system and discrete supercell thunderstorms traversed the region. The most notable aspect of the outbreak was an EF3 tornado that damaged or destroyed hundreds of structures within Oak Grove, Missouri, injuring 12 people but causing no fatalities. An EF1 tornado touched down near Bricelyn, the earliest known tornado on record in the state of Minnesota. Outside of tornadic activity, hundreds of damaging wind reports and a multitude of severe hail reports were documented.
Between April 28 – May 1, 2017, a series of severe weather events affected the Central United States, producing life-threatening flooding and a major tornado outbreak. It formed out of a disturbance in the Southwestern United States on April 28, and caused significant impacts, including a heavy snowstorm in the Rockies, and other types of severe weather. Up to 3 feet (36 in) of snow fell on the cold side of the system, and up to a foot of rain fell in and around the central parts of the nation.
A prolonged period of intense tornado activity affected the Great Plains, Great Lakes, and Ohio Valley during May 15–20, 2017. This outbreak sequence was the most prolific tornado event of 2017 in terms of number of tornadoes. It is also notable for producing the longest-tracked tornado in Wisconsin state history: an intense EF3 tornado that remained on the ground for over 82 miles (132 km) and killed one person while causing major damage near Chetek and Conrath. Overall, the outbreak sequence resulted in two deaths and several injuries.
The tornado outbreak of November 30 – December 2, 2018 was a late-season tornado outbreak that occurred across portions of the West South Central states and Midwestern United States. As a potent shortwave trough moved across the southern portions of the country, it was met with ample moisture return and destabilization, resulting in widespread severe thunderstorms that produced damaging winds, hail, and tornadoes. The event began late on November 30 in Oklahoma, spreading east and resulting in one fatality in Aurora, Missouri. Several tornadic supercells moved across portions of Illinois on December 1, and resulted in 29 confirmed tornadoes. This outbreak was the largest December tornado event on record in Illinois history, surpassing the December 1957 tornado outbreak sequence. The most significant tornado of the event was an EF3 that impacted Taylorville, Illinois, damaging or destroying hundreds of structures and injuring 22 people.
Hurricane Ida generated a tornado outbreak as it traversed the Southeastern, Mid-Atlantic, and Northeastern United States. Thirty-six confirmed tornadoes touched down from Mississippi to Massachusetts; one person was killed in Upper Dublin Township, Pennsylvania, and several people were injured in Alabama, New Jersey, and Pennsylvania. The most active and destructive part of the outbreak occurred during the afternoon of September 1, when several strong tornadoes struck Maryland, New Jersey, and Pennsylvania, including an EF3 tornado which impacted Mullica Hill, New Jersey. The same storm later dropped an EF1 tornado that prompted a tornado emergency for Burlington, New Jersey and Croydon, and Bristol, Pennsylvania, the first of its kind in the Northeast, as well as the first such alert associated with a tropical cyclone or its remnants. This outbreak severely impacted New Jersey and the Philadelphia Metropolitan Area, a region which had been significantly impacted by strong tornadoes from another outbreak that occurred just over a month prior, as well as several weak tornadoes from the remnants of Tropical Storm Fred two weeks earlier. Overall, the 36 tornadoes killed one person and injured seven others.
On December 15, a rapidly-deepening low-pressure area contributed to a historic expanse of inclement weather across the Great Plains and Midwestern United States, resulting in an unprecedented December derecho and tornado outbreak across portions of the Northern United States, a region normally affected by snow and cold weather during this time of year. Non-thunderstorm winds spurred the formation of rapidly-moving fires across Colorado and western Kansas, with attendant dust and debris spreading eastward. From central Kansas northeastward into eastern Wisconsin, the powerful derecho led to hundreds of damaging wind reports. At least 57 hurricane-force wind reports were received by the National Weather Service, signaling the most prolific wind event in the United States dating back to at least 2004. Numerous embedded circulations within this rapidly-progressing derecho produced dozens of tornadoes, including 33 that were rated EF2. The culmination of non-thunderstorm, thunderstorm, and tornadic winds caused widespread damage to structures, trees, power lines, and vehicles across the Plains and Midwest. At least 600,000 people lost power on December 15, and temperatures dropped significantly across the affected region following the event, causing accumulating snow, which hindered cleanup and recovery efforts. The storm killed at least 5 people directly, as well as 2 people indirectly through wildfires partly spawned by the storm, and caused at least $1.8 billion in damages. The number of tornadoes in this event broke a record for largest outbreak in the month of December that had been set less than a week prior. The event also became one of the largest single-day outbreaks in recorded history, with 120 tornadoes occurring over an eight-hour period.
On July 19 and 20, 2018, an unexpected strong tornado outbreak affected Iowa and nearby areas. The event was triggered mostly by three supercells that produced several tornadoes across southeastern Iowa east and southeast of Des Moines. Two of the tornadoes reached EF3 intensity, affecting Pella and Marshalltown. These were the strongest tornadoes to hit Iowa since June 22, 2015, when another EF3 tornado struck near Lovilia. Of the 37 injuries, 13 occurred in Pella, and 23 in Marshalltown, and one the following day in Indiana. The event was also notable due to the Table Rock Lake duck boat accident that killed 17 people and injured 7 others at Table Rock Lake, Missouri.
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↑ "Iowa Event Report: EF0 Tornado" (Report). National Centers for Environmental Information. National Weather Service in Davenport, Iowa. 2021. Retrieved March 29, 2022.
↑ "Wisconsin Event Report: EF0 Tornado" (Report). National Centers for Environmental Information. National Weather Service in Milwaukee, Wisconsin. 2021. Retrieved March 29, 2022.
↑ "Wisconsin Event Report: EF0 Tornado" (Report). National Centers for Environmental Information. National Weather Service in Milwaukee, Wisconsin. 2021. Retrieved March 29, 2022.
↑ "Michigan Event Report: EF0 Tornado" (Report). National Centers for Environmental Information. National Weather Service in Grand Rapids, Michigan. 2021. Retrieved March 29, 2022.
↑ "Storm Events Database August 12, 2021" (Report). National Centers for Environmental Information. National Centers for Environmental Information. Retrieved November 20, 2021.
↑ "Storm Events Database August 13, 2021" (Report). National Centers for Environmental Information. National Centers for Environmental Information. Retrieved November 20, 2021.
↑ "Georgia Event Report: EF1 Tornado" (Report). National Centers for Environmental Information. National Weather Service in Atlanta, Georgia. 2021. Retrieved March 29, 2022.
↑ "Georgia Event Report: EF1 Tornado" (Report). National Centers for Environmental Information. National Weather Service in Atlanta, Georgia. 2021. Retrieved March 29, 2022.
↑ "Georgia Event Report: EF0 Tornado" (Report). National Centers for Environmental Information. National Weather Service in Atlanta, Georgia. 2021. Retrieved March 29, 2022.
↑ "Georgia Event Report: EF1 Tornado" (Report). National Centers for Environmental Information. National Weather Service in Atlanta, Georgia. 2021. Retrieved March 29, 2022.
↑ "Georgia Event Report: EF0 Tornado" (Report). National Centers for Environmental Information. National Weather Service in Atlanta, Georgia. 2021. Retrieved March 29, 2022.
↑ "Georgia Event Report: EF0 Tornado" (Report). National Centers for Environmental Information. National Weather Service in Atlanta, Georgia. 2021. Retrieved March 29, 2022.
↑ "Georgia Event Report: EF1 Tornado" (Report). National Centers for Environmental Information. National Weather Service in Atlanta, Georgia. 2021. Retrieved March 29, 2022.
↑ "Georgia Event Report: EF1 Tornado" (Report). National Centers for Environmental Information. National Weather Service in Atlanta, Georgia. 2021. Retrieved March 29, 2022.
↑ "North Carolina Event Report: EF1 Tornado" (Report). National Centers for Environmental Information. National Weather Service in Greenville-Spartanburg, South Carolina. 2021. Retrieved March 29, 2022.
↑ "North Carolina Event Report: EF1 Tornado" (Report). National Centers for Environmental Information. National Weather Service in Greenville-Spartanburg, South Carolina. 2021. Retrieved March 29, 2022.
↑ "South Carolina Event Report: EF0 Tornado" (Report). National Centers for Environmental Information. National Weather Service in Greenville-Spartanburg, South Carolina. 2021. Retrieved March 29, 2022.
↑ "North Carolina Event Report: EF0 Tornado" (Report). National Centers for Environmental Information. National Weather Service in Blacksburg, Virginia. 2021. Retrieved March 29, 2022.
↑ "South Carolina Event Report: EF0 Tornado" (Report). National Centers for Environmental Information. National Weather Service in Greenville-Spartanburg, South Carolina. 2021. Retrieved March 29, 2022.
↑ "South Carolina Event Report: EF0 Tornado" (Report). National Centers for Environmental Information. National Weather Service in Columbia, South Carolina. 2021. Retrieved March 29, 2022.
↑ "North Carolina Event Report: EF0 Tornado" (Report). National Centers for Environmental Information. National Weather Service in Blacksburg, Virginia. 2021. Retrieved March 29, 2022.
↑ "Georgia Event Report: EF0 Tornado" (Report). National Centers for Environmental Information. National Weather Service in Greenville-Spartanburg, South Carolina. 2021. Retrieved March 29, 2022.
↑ "Georgia Event Report: EF1 Tornado" (Report). National Centers for Environmental Information. National Weather Service in Greenville-Spartanburg, South Carolina. 2021. Retrieved March 29, 2022.
↑ "Georgia Event Report: EF1 Tornado" (Report). National Centers for Environmental Information. National Weather Service in Greenville-Spartanburg, South Carolina. 2021. Retrieved March 29, 2022.
↑ "Georgia Event Report: EF1 Tornado" (Report). National Centers for Environmental Information. National Weather Service in Greenville-Spartanburg, South Carolina. 2021. Retrieved March 29, 2022.
↑ "Georgia Event Report: EF1 Tornado" (Report). National Centers for Environmental Information. National Weather Service in Greenville-Spartanburg, South Carolina. 2021. Retrieved March 29, 2022.
↑ "South Carolina Event Report: EF0 Tornado" (Report). National Centers for Environmental Information. National Weather Service in Columbia, South Carolina. 2021. Retrieved March 29, 2022.
↑ "South Carolina Event Report: EF1 Tornado" (Report). National Centers for Environmental Information. National Weather Service in Columbia, South Carolina. 2021. Retrieved March 29, 2022.
↑ "South Carolina Event Report: EF0 Tornado" (Report). National Centers for Environmental Information. National Weather Service in Greenville-Spartanburg, South Carolina. 2021. Retrieved March 29, 2022.
↑ "South Carolina Event Report: EF1 Tornado" (Report). National Centers for Environmental Information. National Weather Service in Greenville-Spartanburg, South Carolina. 2021. Retrieved March 29, 2022.
↑ "South Carolina Event Report: EF0 Tornado" (Report). National Centers for Environmental Information. National Weather Service in Columbia, South Carolina. 2021. Retrieved March 29, 2022.
↑ "Pennsylvania Event Report: EF0 Tornado" (Report). National Centers for Environmental Information. National Weather Service in State College, Pennsylvania. 2021. Retrieved March 29, 2022.
↑ "Storm Events Database August 18, 2021" (Report). National Centers for Environmental Information. National Centers for Environmental Information. Retrieved November 20, 2021.
↑ "Pennsylvania Event Report: EF0 Tornado" (Report). National Centers for Environmental Information. National Weather Service in State College, Pennsylvania. 2021. Retrieved March 29, 2022.
↑ "Pennsylvania Event Report: EF1 Tornado" (Report). National Centers for Environmental Information. National Weather Service in State College, Pennsylvania. 2021. Retrieved March 29, 2022.
↑ "Pennsylvania Event Report: EF0 Tornado" (Report). National Centers for Environmental Information. National Weather Service in State College, Pennsylvania. 2021. Retrieved March 29, 2022.
↑ "Pennsylvania Event Report: EF1 Tornado" (Report). National Centers for Environmental Information. National Weather Service in Philadelphia, Pennsylvania. 2021. Retrieved March 29, 2022.
↑ "Pennsylvania Event Report: EF1 Tornado" (Report). National Centers for Environmental Information. National Weather Service in Philadelphia, Pennsylvania. 2021. Retrieved March 29, 2022.
↑ "Pennsylvania Event Report: EF1 Tornado" (Report). National Centers for Environmental Information. National Weather Service in Philadelphia, Pennsylvania. 2021. Retrieved March 29, 2022.
↑ "New Jersey Event Report: EF1 Tornado" (Report). National Centers for Environmental Information. National Weather Service in Philadelphia, Pennsylvania. 2021. Retrieved March 29, 2022.
↑ "Connecticut Event Report: EF0 Tornado" (Report). National Centers for Environmental Information. National Weather Service in Boston, Massachusetts. 2021. Retrieved March 29, 2022.
↑ "Massachusetts Event Report: EF0 Tornado" (Report). National Centers for Environmental Information. National Weather Service in Boston, Massachusetts. 2021. Retrieved March 29, 2022.
↑ "Massachusetts Event Report: EF0 Tornado" (Report). National Centers for Environmental Information. National Weather Service in Boston, Massachusetts. 2021. Retrieved March 29, 2022.
↑ "Storm Events Database August 19, 2021" (Report). National Centers for Environmental Information. National Centers for Environmental Information. Retrieved November 20, 2021.
↑ "Storm Events Database August 19, 2021" (Report). National Centers for Environmental Information. National Centers for Environmental Information. Retrieved November 20, 2021.
↑ "Storm Events Database August 19, 2021" (Report). National Centers for Environmental Information. National Centers for Environmental Information. Retrieved November 20, 2021.
↑ "Storm Events Database August 20, 2021" (Report). National Centers for Environmental Information. National Centers for Environmental Information. Retrieved November 20, 2021.
↑ "Storm Events Database August 20, 2021" (Report). National Centers for Environmental Information. National Centers for Environmental Information. Retrieved November 20, 2021.
↑ "Storm Events Database August 20, 2021" (Report). National Centers for Environmental Information. National Centers for Environmental Information. Retrieved November 20, 2021.
↑ "Storm Events Database August 20, 2021" (Report). National Centers for Environmental Information. National Centers for Environmental Information. Retrieved November 20, 2021.
↑ "Storm Events Database August 20, 2021" (Report). National Centers for Environmental Information. National Centers for Environmental Information. Retrieved November 20, 2021.
↑ "Storm Events Database August 20, 2021" (Report). National Centers for Environmental Information. National Centers for Environmental Information. Retrieved November 20, 2021.
↑ "Storm Events Database August 20, 2021" (Report). National Centers for Environmental Information. National Centers for Environmental Information. Retrieved November 20, 2021.
↑ "Mississippi Event Report: EF1 Tornado" (Report). National Centers for Environmental Information. National Weather Service in Memphis, Tennessee. 2021. Retrieved March 31, 2022.
↑ "Mississippi Event Report: EF0 Tornado" (Report). National Centers for Environmental Information. National Weather Service in Memphis, Tennessee. 2021. Retrieved March 31, 2022.
↑ "Storm Events Database August 22, 2021" (Report). National Centers for Environmental Information. National Centers for Environmental Information. Retrieved November 20, 2021.
↑ "Storm Events Database August 22, 2021" (Report). National Centers for Environmental Information. National Centers for Environmental Information. Retrieved November 20, 2021.
↑ "Massachusetts Event Report: EF0 Tornado" (Report). National Centers for Environmental Information. National Weather Service in Boston, Massachusetts. 2021. Retrieved March 31, 2022.
↑ "Massachusetts Event Report: EF0 Tornado" (Report). National Centers for Environmental Information. National Weather Service in Boston, Massachusetts. 2021. Retrieved March 31, 2022.
↑ "Massachusetts Event Report: EF0 Tornado" (Report). National Centers for Environmental Information. National Weather Service in Boston, Massachusetts. 2021. Retrieved March 31, 2022.
↑ "Illinois Event Report: EFU Tornado" (Report). National Centers for Environmental Information. National Weather Service in Indianapolis, Indiana. 2021. Retrieved March 31, 2022.
↑ "Storm Events Database August 25, 2021" (Report). National Centers for Environmental Information. National Centers for Environmental Information. Retrieved November 20, 2021.
↑ "Storm Events Database August 27, 2021" (Report). National Centers for Environmental Information. National Centers for Environmental Information. Retrieved November 20, 2021.
↑ "Storm Events Database August 27, 2021" (Report). National Centers for Environmental Information. National Centers for Environmental Information. Retrieved November 20, 2021.
↑ "Storm Events Database August 27, 2021" (Report). National Centers for Environmental Information. National Centers for Environmental Information. Retrieved November 20, 2021.
↑ "Iowa Event Report: EF0 Tornado" (Report). National Centers for Environmental Information. National Weather Service in La Crosse, Wisconsin. 2021. Retrieved March 31, 2022.
↑ "Iowa Event Report: EF0 Tornado" (Report). National Centers for Environmental Information. National Weather Service in La Crosse, Wisconsin. 2021. Retrieved March 31, 2022.
↑ "Storm Events Database August 28, 2021" (Report). National Centers for Environmental Information. National Centers for Environmental Information. Retrieved November 20, 2021.
↑ "Storm Events Database August 28, 2021" (Report). National Centers for Environmental Information. National Centers for Environmental Information. Retrieved November 20, 2021.
↑ "South Dakota Event Report: EF1 Tornado" (Report). National Centers for Environmental Information. National Weather Service in Sioux Falls, South Dakota. 2021. Retrieved March 31, 2022.
↑ "Storm Events Database August 28, 2021" (Report). National Centers for Environmental Information. National Centers for Environmental Information. Retrieved November 20, 2021.
↑ "Storm Events Database August 28, 2021" (Report). National Centers for Environmental Information. National Centers for Environmental Information. Retrieved November 20, 2021.
↑ "Storm Events Database August 28, 2021" (Report). National Centers for Environmental Information. National Centers for Environmental Information. Retrieved November 20, 2021.
↑ "Storm Events Database August 28, 2021" (Report). National Centers for Environmental Information. National Centers for Environmental Information. Retrieved November 20, 2021.
↑ "Storm Events Database August 28, 2021" (Report). National Centers for Environmental Information. National Centers for Environmental Information. Retrieved November 20, 2021.
↑ "Storm Events Database August 28, 2021" (Report). National Centers for Environmental Information. National Centers for Environmental Information. Retrieved November 20, 2021.
↑ "Storm Events Database August 28, 2021" (Report). National Centers for Environmental Information. National Centers for Environmental Information. Retrieved November 20, 2021.
↑ "Storm Events Database August 28, 2021" (Report). National Centers for Environmental Information. National Centers for Environmental Information. Retrieved November 20, 2021.
↑ "Storm Events Database August 28, 2021" (Report). National Centers for Environmental Information. National Centers for Environmental Information. Retrieved November 20, 2021.
↑ "Storm Events Database August 28, 2021" (Report). National Centers for Environmental Information. National Centers for Environmental Information. Retrieved November 20, 2021.
↑ "Storm Events Database August 28, 2021" (Report). National Centers for Environmental Information. National Centers for Environmental Information. Retrieved November 20, 2021.
↑ "Storm Events Database August 28, 2021" (Report). National Centers for Environmental Information. National Centers for Environmental Information. Retrieved November 20, 2021.
↑ "Storm Events Database August 28, 2021" (Report). National Centers for Environmental Information. National Centers for Environmental Information. Retrieved November 20, 2021.
↑ "Storm Events Database August 28, 2021" (Report). National Centers for Environmental Information. National Centers for Environmental Information. Retrieved November 20, 2021.
↑ National Weather Service in New Orleans, Louisiana (2021). Mississippi Event Report: EF1 Tornado (Report). National Centers for Environmental Information. Retrieved March 31, 2022.
↑ National Weather Service in New Orleans, Louisiana (2021). Mississippi Event Report: EF1 Tornado (Report). National Centers for Environmental Information. Retrieved March 31, 2022.
↑ National Weather Service in New Orleans, Louisiana (2021). Mississippi Event Report: EF1 Tornado (Report). National Centers for Environmental Information. Retrieved March 31, 2022.
↑ National Weather Service in New Orleans, Louisiana (2021). Louisiana Event Report: EF1 Tornado (Report). National Centers for Environmental Information. Retrieved March 31, 2022.
↑ National Weather Service in New Orleans, Louisiana (2021). Mississippi Event Report: EF0 Tornado (Report). National Centers for Environmental Information. Retrieved March 31, 2022.
↑ National Weather Service in New Orleans, Louisiana (2021). Louisiana Event Report: EF0 Tornado (Report). National Centers for Environmental Information. Retrieved March 31, 2022.
↑ National Weather Service in New Orleans, Louisiana (2021). Mississippi Event Report: EF0 Tornado (Report). National Centers for Environmental Information. Retrieved March 31, 2022.
↑ National Weather Service in New Orleans, Louisiana (2021). Mississippi Event Report: EF0 Tornado (Report). National Centers for Environmental Information. Retrieved March 31, 2022.
↑ National Weather Service in New Orleans, Louisiana (2021). Mississippi Event Report: EF0 Tornado (Report). National Centers for Environmental Information. Retrieved March 31, 2022.
↑ National Weather Service in New Orleans, Louisiana (2021). Mississippi Event Report: EF0 Tornado (Report). National Centers for Environmental Information. Retrieved March 31, 2022.
↑ National Weather Service in New Orleans, Louisiana (2021). Mississippi Event Report: EF0 Tornado (Report). National Centers for Environmental Information. Retrieved March 31, 2022.
↑ National Centers for Environmental Information. Storm Events Database August 30, 2021 (Report). National Centers for Environmental Information. Retrieved November 20, 2021.
↑ National Centers for Environmental Information. Storm Events Database August 30, 2021 (Report). National Centers for Environmental Information. Retrieved November 20, 2021.
↑ National Centers for Environmental Information. Storm Events Database August 30, 2021 (Report). National Centers for Environmental Information. Retrieved November 20, 2021.
↑ National Centers for Environmental Information. Storm Events Database August 30, 2021 (Report). National Centers for Environmental Information. Retrieved November 20, 2021.
↑ National Centers for Environmental Information. Storm Events Database August 30, 2021 (Report). National Centers for Environmental Information. Retrieved November 20, 2021.
↑ National Centers for Environmental Information. Storm Events Database August 30, 2021 (Report). National Centers for Environmental Information. Retrieved November 20, 2021.
↑ National Centers for Environmental Information. Storm Events Database August 30, 2021 (Report). National Centers for Environmental Information. Retrieved November 20, 2021.
↑ National Centers for Environmental Information. Storm Events Database August 30, 2021 (Report). National Centers for Environmental Information. Retrieved November 20, 2021.
↑ National Centers for Environmental Information. Storm Events Database August 30, 2021 (Report). National Centers for Environmental Information. Retrieved November 20, 2021.
↑ National Weather Service in Tallahassee, Florida (2021). Alabama Event Report: EF0 Tornado (Report). National Centers for Environmental Information. Retrieved March 31, 2022.
↑ National Weather Service in Blacksburg, Virginia (2021). Virginia Event Report: EF1 Tornado (Report). National Centers for Environmental Information. Retrieved March 31, 2022.
↑ National Weather Service in Blacksburg, Virginia (2021). Virginia Event Report: EF1 Tornado (Report). National Centers for Environmental Information. Retrieved March 31, 2022.
↑ National Weather Service in Tallahassee, Florida (2021). Alabama Event Report: EF0 Tornado (Report). National Centers for Environmental Information. Retrieved March 31, 2022.
↑ National Weather Service in Tallahassee, Florida (2021). Alabama Event Report: EF0 Tornado (Report). National Centers for Environmental Information. Retrieved March 31, 2022.
↑ National Weather Service in Tallahassee, Florida (2021). Alabama Event Report: EF0 Tornado (Report). National Centers for Environmental Information. Retrieved March 31, 2022.
↑ National Weather Service Weather Forecast Office in Baltimore/Washington DC (2021). Maryland Event Report: EF2 Tornado (Report). National Centers for Environmental Information. Retrieved December 18, 2021.
↑ National Weather Service Weather Forecast Office in Baltimore/Washington DC (2021). Maryland Event Report: EF0 Tornado (Report). National Centers for Environmental Information. Retrieved December 18, 2021.
↑ National Weather Service Weather Forecast Office in Philadelphia, Pennsylvania (2021). Pennsylvania Event Report: EF2 Tornado (Report). National Centers for Environmental Information. Retrieved December 18, 2021.
↑ National Weather Service Weather Forecast Office in Wakefield, Virginia (2021). Maryland Event Report: EF0 Tornado (Report). National Centers for Environmental Information. Retrieved December 18, 2021.
↑ National Weather Service Weather Forecast Office in Philadelphia, Pennsylvania (2021). Pennsylvania .Event Report: EF2 Tornado (Report). National Centers for Environmental Information. Retrieved December 18, 2021.
↑ National Weather Service Weather Forecast Office in Philadelphia, Pennsylvania (2021). Pennsylvania Event Report: EF1 Tornado (Report). National Centers for Environmental Information. Retrieved December 18, 2021.
↑ National Weather Service Weather Forecast Office in Philadelphia, Pennsylvania (2021). Pennsylvania Event Report: EF1 Tornado (Report). National Centers for Environmental Information. Retrieved December 18, 2021.
↑ National Weather Service Weather Forecast Office in Philadelphia, Pennsylvania (2021). New Jersey Event Report: EF1 Tornado (Report). National Centers for Environmental Information. Retrieved December 18, 2021.
↑ National Weather Service Weather Forecast Office in Philadelphia, Pennsylvania (2021). Pennsylvania Event Report: EF1 Tornado (Report). National Centers for Environmental Information. Retrieved December 18, 2021.
↑ National Weather Service Weather Forecast Office in Philadelphia, Pennsylvania (2021). New Jersey Event Report: EF0 Tornado (Report). National Centers for Environmental Information. Retrieved December 18, 2021.
↑ "Massachusetts Event Report: EF0 Tornado" (Report). National Centers for Environmental Information. National Weather Service Weather Forecast Office in Boston, Massachusetts. 2021. Retrieved December 18, 2021.
↑ "Utah Event Report: EF1 Tornado" (Report). National Centers for Environmental Information. National Weather Service Weather Forecast Office in Salt Lake City, Utah. 2021. Retrieved December 18, 2021.
↑ "Michigan Event Report: EF1 Tornado" (Report). National Centers for Environmental Information. National Weather Service Weather Forecast Office in Northern Indiana. 2021. Retrieved December 18, 2021.
↑ "Pennsylvania Event Report: EF1 Tornado" (Report). National Centers for Environmental Information. National Weather Service Weather Forecast Office in State College, Pennsylvania. 2021. Retrieved December 18, 2021.
↑ "Pennsylvania Event Report: EF0 Tornado" (Report). National Centers for Environmental Information. National Weather Service Weather Forecast Office in State College, Pennsylvania. 2021. Retrieved December 18, 2021.
↑ "Florida Event Report: EF0 Tornado" (Report). National Centers for Environmental Information. National Weather Service Weather Forecast Office in Tallahassee, Florida. 2021. Retrieved December 18, 2021.
↑ "Connecticut Event Report: EF0 Tornado" (Report). National Centers for Environmental Information. National Weather Service Weather Forecast Office in Boston, Massachusetts. 2021. Retrieved December 18, 2021.
↑ "New York Event Report: EF1 Tornado" (Report). National Centers for Environmental Information. National Weather Service Weather Forecast Office in Buffalo, New York. 2021. Retrieved December 18, 2021.
↑ "Minnesota Event Report: EF0 Tornado" (Report). National Centers for Environmental Information. National Weather Service Weather Forecast Office in Twin Cities, Minnesota. 2021. Retrieved December 18, 2021.
↑ "Minnesota Event Report: EF0 Tornado" (Report). National Centers for Environmental Information. National Weather Service Weather Forecast Office in Twin Cities, Minnesota. 2021. Retrieved December 18, 2021.
↑ "Minnesota Event Report: EF0 Tornado" (Report). National Centers for Environmental Information. National Weather Service Weather Forecast Office in Twin Cities, Minnesota. 2021. Retrieved December 18, 2021.
↑ "Minnesota Event Report: EF0 Tornado" (Report). National Centers for Environmental Information. National Weather Service Weather Forecast Office in Twin Cities, Minnesota. 2021. Retrieved December 18, 2021.
↑ "Florida Event Report: EF0 Tornado" (Report). National Centers for Environmental Information. National Weather Service Weather Forecast Office in Jacksonville, Florida. 2021. Retrieved December 18, 2021.
↑ "Wisconsin Event Report: EF0 Tornado" (Report). National Centers for Environmental Information. National Weather Service Weather Forecast Office in La Crosse, Wisconsin. 2021. Retrieved December 18, 2021.
↑ "Wisconsin Event Report: EF1 Tornado" (Report). National Centers for Environmental Information. National Weather Service Weather Forecast Office in La Crosse, Wisconsin. 2021. Retrieved December 18, 2021.
↑ "Pennsylvania Event Report: EF1 Tornado" (Report). National Centers for Environmental Information. National Weather Service Weather Forecast Office in Pittsburgh, Pennsylvania. 2021. Retrieved December 18, 2021.
↑ "Washington Event Report: EF0 Tornado" (Report). National Centers for Environmental Information. National Weather Service Weather Forecast Office in Portland, Oregon. 2021. Retrieved December 18, 2021.
Numbers in parentheses indicate tornado count for the month(~ indicates an unofficial preliminary estimate). Totals are only for the United States.
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