Tornado warnings and confirmations in December 2021
This page documents all tornadoes confirmed by various weather forecast offices of the National Weather Service in the United States in December 2021. In December, tornadoes are most likely in the southern states due to their proximity to the unstable airmass and warm waters of the Gulf of Mexico, with only occasional incursions farther north.[1] The average number of tornadoes in December is 28.[2]
After a small outbreak along with some isolated tornadoes at the beginning of the month, December unexpectedly produced two large, record-breaking tornado outbreaks during the middle of the month. The first one spawned 71 tornadoes, the most tornadoes ever recorded in a single outbreak in December. One supercell tracked over 250 miles (400km) throughout the states of Missouri, Tennessee, Arkansas, Kentucky, spawning a family of 11 tornadoes, including two violent EF4 tornadoes. The first one killed eight people across three states while the second one killed 57 people in Kentucky along a track of over 160 miles (260km). The outbreak killed 89 people, making it the deadliest outbreak ever recorded in December. However, the record number of tornadoes set by the first outbreak was shattered just four days later by a historic derecho that produced 120 tornadoes across the Midwestern United States. The outbreak was unprecedented since tornadoes in that region during the Winter are rare, but tornadoes were confirmed as far north as southwestern Wisconsin. The derecho produced 61 tornadoes in Iowa, including 21 EF2 tornadoes, which set the record for the most tornadoes and the most EF2+ tornadoes ever recorded in the state during a single day. It also spawned tornadoes in Minnesota, marking the first time that December tornadoes had ever been recorded in the state. Some additional isolated activity and another small outbreak at the end of the month occurred before the month ended.
In all, 227 tornadoes were confirmed during December, making it by far the most active December on record as it more than doubled the previous record of 99 set in 2002. It also set the record for the most active month for tornado activity in meteorological winter, surpassing the previous record of 216 set in January 1999.
This tornado touched down west of U.S. 65, where trees were uprooted and a pool house was pushed off of its foundation. More tree damage occurred after it crossed U.S. 65, and an outbuilding was destroyed before it lifted.[4]
A brief tornado with an intermittent path caused significant roof and structural damage to two well-built barns and a two-story house, with a Ring doorbell camera catching the tornado on video. One of the barns was large tool chests and other heavy items scattered around and its concrete foundation shifted about an inch; a house next to the barn was undamaged. Numerous trees were twisted or uprooted along the path.[6]
Several trailers at a mobile home park were lifted off of their foundations and flipped or turned. Siding and insulation were thrown into nearby trees. Deck pieces were impaled into the ground. Outbuildings were lofted and thrown, and trees were snapped. Two people were injured.[7]
This tornado began northwest of Elkton and skirted the northern edge of town, where several older barns were heavily damaged or destroyed, and two semi-trailers were flipped over.[11]
A couple barns and outbuildings were destroyed, and an RV was blown on top of a flipped school bus; the bus driver was uninjured. Numerous trees were downed along the path as well. This was the first recorded tornado to strike Trousdale County in the month of December.[13]
The metal roof of a home was blown off, and outbuildings and the roofs of several barns were damaged. Trees were downed along the path. This was the first recorded tornado to strike Overton County in the month of December.[16]
A wall was blown down at a community center in Raus. A large barn lost part of its roof. Signs and outbuildings were damaged on the northern side of Tullahoma. Trees were uprooted or snapped. This was the first tornado ever recorded in Coffee County in the month of December.[19][20][21]
One home was shifted off its foundation due to a fallen tree. Several other homes were damaged by fallen trees. Metal roof panels were torn off a canopy.[25]
A storage building was destroyed, a cotton gin was damaged, and several trees were downed. This tornado was the third produced by the Quad-State supercell.[31]
See article on this tornado – A ninth indirect fatality occurred when a driver struck a downed power pole. This was the fifth tornado, and first violent tornado, produced by the Quad-State supercell.[33]
This tornado caused significant damage to a farmstead, heavily damaging a home and destroying several farm buildings. One horse was killed and another was injured. A grain bin was destroyed, storage tanks were overturned, power poles were snapped or damaged, and trees were downed.[36]
A strong tornado severely damaged or destroyed several sheds and outbuildings. A house sustained significant roof damage, while many large trees were snapped or uprooted. A center pivot irrigation system was overturned.[39]
This tornado touched down in the northern part of Augusta, where several homes suffered major structural damage and roof loss. Many trees were snapped or uprooted and farm buildings were severely damaged. Three people were injured.[40]
Along the Western Kentucky Parkway, a metal building had some of its walls damaged and a significant portion of its roof removed. In addition, a church sustained minor structural damage, and a house had roof damage and windows blown out. Numerous trees were downed and a road sign was blown about one-tenth mile (0.16km).[44]
Trees were downed, and storage buildings were damaged. This was the second of three brief tornadoes in the path break between the first EF4 tornado and the second EF4 tornado.[46]
See article on this tornado – An indirect 58th fatality was the result of a medical issue while clearing debris. This was the ninth tornado, and second violent tornado, produced by the Quad-State supercell.[49]
A long-tracked tornado destroyed outbuildings, snapped, twisted, or uprooted many trees, and downed many power poles as it passed near the towns of Panama, Coffeen, Fillmore, Bingham, Ramsey, and Herrick.[51]
This strong tornado was spawned by an embedded supercell within a QLCS complex moving through central and eastern Arkansas. Numerous homes, mobile homes, and businesses were damaged or destroyed in Trumann, with the most intense damage in the northeastern part of the town. A small vacant grocery store building was completely destroyed. The Trumann fire department building had its roof torn off, and a nursing home was significantly damaged, though no injuries occurred there, as the building had been evacuated prior to the tornado. Many large trees were snapped or uprooted throughout the town and an RV camper was overturned.[52]
A small farm outbuilding was destroyed, and power poles were broken southeast of Windsor. The tornado struck and severely damaged an agricultural services plant west of Gays, damaging or destroying several buildings and flipping three tanker trucks. A barn was destroyed, and farming equipment was tossed. A house had its roof torn off, some other homes were damaged to a lesser degree, and two large metal storage buildings were severely damaged. Many trees and power lines were downed along the path.[53]
A strong tornado completely unroofed two homes and destroyed the exterior wall of a third. Other homes and a single-wide trailer were damaged. Two outbuildings were destroyed, while trees and power lines were downed.[55]
At a farmstead, several grain bins were damaged, and a machine shed lost large sections of its roof, with metal roofing debris scattered up to 1.5 miles (2.4km) away. Trees were uprooted, power poles were snapped, and a barn was destroyed.[58]
The walls and roofs of farm buildings were damaged, trees were snapped or uprooted, and power lines were downed. This was the tenth tornado from the Quad-State supercell.[59]
This tornado began in western Logan County after the previous long-tracked EF3 tornado dissipated approximately 12 miles (19km) west near Elkton. It quickly intensified after touching down, tearing off the roof of a house and destroying multiple well-built dairy barns, outbuildings, and a Quonset hut at a large dairy farm. Many trees were snapped, some of which were debarked, and a semi-trailer was thrown. To the northeast, a home lost much of its second story. A well-built log cabin nearby was heavily damaged and lost its roof. The tornado crossed US 431 north of Russellville and continued northeast, completely destroying many mobile homes, barns, and outbuildings and collapsing an electrical transmission tower. Several frame homes were damaged to a lesser degree, though a well-built brick home lost its roof and had a carport destroyed as well. Continuing northeast along KY 79, the tornado caused considerable damage in Chandlers Chapel, where a Methodist church lost its steeple and had several broken stained-glass windows, a school building sustained roof and window damage, and homes sustained partial to total roof loss. Further northeast, a couple of long chicken barns were leveled and swept away. Many trees and power lines were downed, and more barns, outbuildings, and homes were damaged (some heavily) as the tornado moved into Warren County. The tornado's path ended just before reaching I-165.[61]
The tornado struck a farm, knocking over a few silos and collapsing a barn, damaging outbuildings and downing trees. This tornado was the eleventh and last produced by the long-tracked Quad-State supercell.[62]
One brick home sustained significant roof damage, while another had one of its garage walls blown out. A log cabin also had an exterior wall blown out, and a small and frail cottage was completely destroyed. An outbuilding and a shed were also destroyed, and another metal outbuilding was damaged. Trees were downed as well.[65]
This high-end EF2 tornado completely destroyed an outbuilding and multiple TVA transmission towers. A house sustained roof damage, a couple of metal buildings were heavily damaged or destroyed, and some metal power poles were bent. Numerous trees were snapped or uprooted, with minor debarking noted.[66]
This tornado began in the southeast corner of Edmonson County after the Bowling Green EF3tornado dissipated and moved northeast along I-65 into Barren County and Hart County, first passing directly through Park City, where many trees were snapped, barns and outbuildings were destroyed, and homes sustained roof damage. Past Park City, the tornado destroyed more barns, inflicted roof damage to additional homes, and heavily damaged a mobile home. The most severe damage occurred in Cave City, where hotels, motels, and restaurants in town suffered major roof loss or roof collapse, a trailer park was heavily damaged, and roads signs and metal light poles were knocked down. Homes and apartment buildings in Cave City sustained roof damage as well. In Horse Cave, the roofs of homes were damaged, and some older tobacco warehouses had their walls blown out and sustained roof damage. An office trailer in town also had its roof blown off. Many trees were downed along the path. The tornado dissipated as the parent storm merged with another storm producing a second EF2 tornado in Hart County as they passed south of Munfordville.[67]
Numerous homes, mobile homes, barns, and outbuildings were either damaged or destroyed, an Amish schoolhouse was destroyed, farm animals were killed, and many trees and power lines were downed. The tornado moved directly through Hardyville, where several homes sustained major structural damage, garages and outbuildings were destroyed, and a truck was flipped. Past Hardyville, the tornado weakened and inflicted more minor damage to trees, roofs, and outbuildings in Summersville before the tornado dissipated. Minutes later a new tornado, rated EF3, formed in Taylor County.[68]
Several trees were snapped, one of which fell on and destroyed half of a mobile home. Debris from that structure was scattered into a nearby field.[69]
A business, a home, and nearby outbuildings sustained extensive damage. Debris from the outbuildings was blown 0.7 miles (1.1km) away. Multiple trees were snapped.[70]
This strong EF2 tornado snapped and uprooted thousands of trees in a convergent pattern. An RV was overturned and had its roof torn off. Its rating was upgraded to EF2 in March 2023 after the delayed evaluation of extreme tree damage south of I-40.[71]
Numerous trees were downed as the tornado crossed I-40. This tornado was originally an EF0, but was upgraded to EF1 in March 2023 due to extensive tree damage in rural areas.[73]
This tornado formed after the EF3 Hobson tornado dissipated. One small farm building was destroyed, another sustained roof damage, and trees were downed.[74]
A strong tornado severely damaged the roofs and exterior walls of several homes, shifting some off of their foundations. Less intense damage to trees and power poles occurred in and around Burns before tornado dissipated.[75]
Several homes and businesses were significantly damaged along US 70 near Kingston Springs, including a few houses that sustained partial to total roof loss. Barns and outbuildings were destroyed, and trees and power poles were snapped.[77]
A brief but strong tornado struck the Boyle County Airport on the east side of Junction City. Three hangars were destroyed, and several aircraft were mangled. Elsewhere, several homes sustained roof damage, one home had its roof completely destroyed, and a barn was severely damaged.[78]
This tornado moved directly through Danville, where a church, a gas station, and some other businesses sustained significant roof damage, several homes sustained roof and fascia damage, and numerous trees were downed. A barn was destroyed outside of town before the tornado dissipated.[79]
Near the community of Hedgeville, several site-built homes, manufactured homes, and barns sustained varying degrees of roof damage, and several trees were downed. One old barn was destroyed and debris was thrown onto US 27.[80]
This brief tornado occurred just southeast of the path of the 09:04 UTC tornado that ended northwest of Lancaster. Two barns sustained major roof damage, a third barn was damaged, and several trees were downed.[82]
The tornado formed just east of where the Kingston Springs EF2 dissipated. Numerous trees were blown down as the tornado crossed the Cumberland River three times, passing just north of John C. Tune Airport and through the Bordeaux neighborhood before dissipating along Whites Creek Pike (US 431). A nursery, the roof of a church, and the roofs of many homes were damaged along the path.[83]
Several homes sustained roof damage and trees were downed in Old Hickory before the tornado crossed Old Hickory Lake into Sumner County, downing numerous trees and power lines and causing roof damage to more homes. It crossed the lake again into Wilson County, downing more trees and power lines before dissipating.[86]
This tornado moved from near Percy Priest Lake into Mount Juliet, impacting multiple subdivisions. Many homes sustained mostly minor roof and siding damage, although some homes suffered more moderate damage. One house had its east wall and garage blown out. Mount Juliet Elementary School sustained minor roof damage, and many trees were downed along the path as well.[87]
A tornado moved from near I-40 at J. Percy Priest Dam to near SR 45 (Old Hickory Boulevard), crossing through numerous subdivisions. Many homes sustained roof and siding damage, multiple apartment buildings sustained minor damage, and the roof of a medical building was damaged. Many trees were downed along the path as well.[88]
This tornado started in South Carthage, causing minor roof damage, and crossed the Cumberland River into Carthage. It moved through the east side of Carthage before crossing the Cumberland River four more times. One structure sustained moderate roof damage, other buildings had minor damage, and numerous trees and tree limbs were downed.[91]
Four large agricultural buildings were destroyed in Clay County, several homes sustained roof damage, a barn was damaged near Hestand, and numerous trees were downed.[92]
A site-built home had a large part of its roof ripped off and its carport was destroyed. Two mobile homes had sections of their roofs peeled back. Numerous trees were snapped or uprooted along the path.[93]
Center irrigation pivots were overturned, a couple of power poles were damaged, and the metal roof of a building at a nature preserve was peeled back; a wind gust of 83mph (134km/h) was measured there.[97][98]
A building, an irrigation pivot, and some power poles were damaged in Webster County. A home suffered minor damage and several irrigation pivots were tipped over in Adams County.[99][100][101]
Some irrigation pipe was strewn into a tree line, and trees were damaged west of Blue Hill. Several power poles were snapped southeast of Ayr.[104][105]
Several power poles were snapped, and numerous irrigation pivots were damaged along the path. Metal cladding was peeled off of storage buildings near the Hamilton County Fairgrounds at the south edge of Aurora.[111]
A hog facility was heavily damaged, and power poles were snapped. A large metal building was destroyed just before the tornado dissipated north of Polk.[112][113]
This tornado caused damage in Platte Center, where a large metal and wood-frame building collapsed, a house lost most of its roof, a garage was damaged, and trees were downed. Two sections of an irrigation pivot were tipped over outside of town.[115]
A house in Columbus had its attached garage and entire roof ripped off as a result of this small, but strong and fast-moving tornado. Many other homes sustained minor to moderate roof and siding damage in town. Power poles were snapped, and trees were damaged as well. Two people were injured.[116]
The top half of a 100-year-old barn was torn off and destroyed, and the structure itself was pulled from its rebar attachment to the foundation. Numerous irrigation pivots were overturned, and outbuildings, grain bins, power poles, and trees were damaged.[117][118][119]
A strong tornado impacted numerous livestock barns, many of which had large sections of their roofs removed. One shed was blown 100 yards (91m) at a farm, while two other sheds, one of which was larger and newly constructed, were demolished. Yet another shed and a house sustained minor roof and siding damage, while trees and five power poles were snapped.[121]
A 40–60-foot (12–18m) shed was destroyed, and a farm gravity wagon was moved about 100 yards (91m). Trees were damaged, and a house sustained minor roof damage.[124]
Several barns and outbuildings were damaged, some of which were completely destroyed. Several pivot irrigation systems was overturned, and several wooden power poles were snapped. Several buildings on the University of Nebraska Farm sustained damage. The tornado was accompanied by significant downburst winds on its eastern flank.[125]
Several outbuildings and a grain bin sustained major damage. A cattle feeder secured to the ground by concrete posts was ripped from its anchors and thrown 250 feet (76m). Trees were also damaged.[127]
A large shed was destroyed, while vehicles and farm equipment sustained substantial damage, including a hay baler that was rolled into the side of an outbuilding. A tree limb was found speared into the ground.[130]
A home was unroofed and moved slightly off its foundation. A roof of a garage was uplifted and displaced, and a farm outbuilding was destroyed. Power poles and trees were damaged.[133]
A house had its roof torn off, while another house had its extension destroyed. Trees were snapped or uprooted along the path, an irrigation pivot was flipped, a horse trailer was rolled, and one horse was killed.[136]
A metal outbuilding and two sheds were destroyed. Numerous houses and other outbuildings were damaged, trees were downed, and numerous power poles were snapped.[137]
A house had most of its roof removed, and several other homes were damaged to a lesser degree. Trees were damaged, outbuildings were destroyed, and power poles were snapped as well.[141]
A home was unroofed and several farmsteads sustained considerable damage from this tornado, while some other residences sustained had shingles torn off. Two metal truss transmission towers collapsed along U.S. Route 20 east of Lawton.[142]
A metal building was destroyed, with debris from the roof being scattered to the northeast. Two trucks inside were flipped, and several wooden power poles were snapped as well.[143]
One house sustained loss of its roof and had an exterior wall blown out, and a nearby garage was moved off its foundation. Large metal buildings sustained substantial damage at the southeast edge of Neola, two of which were destroyed. At least ten mature trees were uprooted as well.[144]
The roof of one barn collapsed, while the roof of another was ripped off. One garage was destroyed and a second was collapsed. Trees and outbuildings were damaged at two additional farmsteads.[146][147]
A building at a hog farm was collapsed, resulting in the deaths of 13 hogs. The roofs and siding of homes and farm outbuildings were damaged. A grain elevator in Aurelia was damaged, several empty rail cars were overturned in town, power poles were downed, and trees were snapped.[155][156]
An outbuilding, machine shed, chicken barn, and four silos were destroyed. One barn, and the roof of a second barn were damaged. Trees were snapped as well.[159][160]
The roof of a house was ripped off, and a garage and several grain bins were destroyed. Several large power poles were snapped, while trees and outbuildings were damaged.[164][165]
Utility poles were snapped, several outbuildings were destroyed, and both trees and homes sustained damage. A semi-truck was overturned as well.[168][169]
Power poles were damaged or snapped, and an industrial windmill was toppled to the ground. A confinement building was destroyed, and houses sustained minor damage.[170][171]
A series of high-voltage utility dual pole towers were snapped. An outbuilding was demolished and a confinement building was damaged. Additional utility poles were snapped elsewhere along the path.[172]
Several large single pole utility poles were toppled. Additional high voltage poles were severely leaned over, and minor tree and house damage occurred.[173]
Extensive outbuilding damage occurred at two farmsteads, and a home had a considerable amount of roofing and siding ripped off at one of them. Trees and power poles were also damaged.[210]
Numerous farmsteads were struck by this tornado, where silos, sheds, barns, and outbuildings were damaged or destroyed, and a few homes were also damaged. Trees and power lines were downed as well.[219]
Power lines were toppled, trees were damaged, and some homes in town had their roofs blown off as a result of this high-end EF1 tornado. The local library also lost its roof, while a church sustained significant damage.[222]
Seven outbuildings were badly damaged or destroyed at a farm. A house had multiple windows blown out, and many shingles were ripped off the roof of a second house. A machine shed had several of its support pillars ripped out of the ground.[227]
A machine shed was destroyed, a nearly full grain bin was dented, and a house had part of its roof ripped off. Outbuildings were damaged, two irrigation pivots were overturned, and trees were downed.[228]
Numerous buildings, trees, and utility poles suffered damage as a strong and fast-moving tornado moved through Hartland. The most severe damage occurred in the downtown area, where a couple of brick buildings were significantly damaged, windows were shattered, and streets were littered with debris. A light pole was broken, and a metal building had an exterior wall blown out as well. Homes in town were damaged, and a large RV camper was overturned.[229]
The roofs of several outbuildings and a turkey barn were partially ripped off. A silo was dented, and trees were downed onto a number of sheds and vehicles.[231]
Falling trees largely destroyed one house and caused roof and window damage to a second. Two metal outbuildings were demolished and a third was damaged.[236]
The tornado moved along the east side of Lake Wissota, near Bateman, downing hundreds of trees. Some homes were damaged by falling trees, while others sustained shingle and soffit removal.[256]
This strong tornado moved through a large forested area, snapping hundreds of trees in a convergent pattern before it was overcome by downburst winds.[257][258]
This tornado initially caused minor tree, roof, and outbuilding damage before it intensified and moved directly through Stanley. Many homes were damaged in town, some severely with roofs and exterior walls ripped off. Garages and metal buildings were completely destroyed, and a large metal trailer was lofted and thrown 250 yards (230m). Many trees were snapped, power lines were downed, a couple of older brick buildings sustained some collapse of exterior walls, and a few businesses had windows blown out and roofing torn off. Past Stanley, the tornado caused damage to outbuildings and tree limbs outside of town before dissipating.[260][261]
A brief but strong tornado struck a farm, where a house had much of its roof ripped off, windows were broken, and a barn was shifted off of its foundation. A truck on the property was tossed nearly 100 feet (30m) away from where it originated. Trees were downed as well.[262]
A pole shed was destroyed, a power pole was snapped, and trees were damaged. One barn had its roof ripped off while a second sustained roof damage.[263]
December 18 event
List of confirmed tornadoes – Saturday, December 18, 2021[note 1]
Numerous trees were downed, and dozens of houses sustained roof damage. Vehicles and swimming pool enclosures were damaged as well. One person was injured by broken glass. Damaging winds caused additional damage to the northeast after the tornado dissipated.[265]
December 29 event
List of confirmed tornadoes – Wednesday, December 29, 2021[note 1]
A small apartment building sustained minor damage, the roof of a store was peeled back, a home sustained minor roof damage, and a metal carport was damaged. A few trees and tree branches were knocked down, and a road sign was downed as well.[266]
The tornado touched down southwest of Beaverton and moved almost due east into Marion County. It downed trees sporadically and damaged a small barn in Lamar County before exiting. It straddled the Marion–Fayette county line, although the tornado never entirely entered Fayette County. More trees were downed as the tornado approached Winfield, where it strengthened to high-end EF1intensity. In downtown Winfield, numerous homes and businesses were damaged. Several businesses sustained roof and structural damage, with windows being blown out of others, and a strip mall lost a large section of its roof. East of downtown, the tornado narrowed and weakened, with several homes sustaining minor roof damage and more trees being downed before it dissipated.[267][268]
Several houses sustained minor roof damage, the BlueScope Steel building in Rainsville sustained roof damage, and a small outbuilding and a couple carports were destroyed. Numerous trees and several power lines were downed as well.[269]
The roof of a barn was peeled back, a shed was destroyed, and a travel trailer was moved. A house sustained minor roof damage, and trees were downed.[270]
At least four structures were damaged, and many trees were downed by this high-endEF1 tornado. The tornado just crossed into Shelby County before lifting.[272][273]
December 30 event
List of confirmed tornadoes – Thursday, December 30, 2021[note 1]
A large bedroom window was blown in on a home, a large fence on a tennis court was blown down, and a large trampoline was thrown approximately 150 yards (140m) into a neighboring house. Hundreds of trees were downed in a wooded area; a small barn and an RV were destroyed by numerous falling trees, and a nearby house had a tree fall on it as well.[275]
Several homes and other buildings sustained roof and siding damage south of Spence Airport. Several small outbuildings were destroyed, a camper was rolled over, and several trees were downed as well.[276]
An open barn was destroyed, as was a covered awning. Several homes sustained minor damage, including to roofs, gutters, siding, and a front porch awning. Several trees were downed along the path.[279]
December 31 event
List of confirmed tornadoes – Friday, December 31, 2021[note 1]
A tornado impacted a mobile home park, flipping one structure and damaging the roofs of several others. The roof of a chicken house was damaged as well. Trees were snapped and uprooted.[280]
A barn was destroyed, a carport was detached from a manufactured home, and a shed was rolled about 20 feet (6.1m) against the side of a house. Numerous trees were downed, one of which fell on a house and damaged the roof.[281]
A middle school sustained significant loss of siding and roofing from the main building and the gymnasium, and at least twelve homes sustained mostly minor roof damage. A Chick-fil-A was damaged, a Publix sustained minor roof damage, and vehicles were tossed and flipped. Numerous trees were snapped or uprooted. Six people suffered minor injuries near the Chick-fil-A.[282]
A deadly tornado outbreak severely impacted the Southern United States, and also affected Iowa and Nebraska to a lesser extent, between November 27–30, 2016. The strongest tornadoes of the event affected Alabama and Tennessee during the late evening of November 29 and into the early morning hours of November 30. Overall, this outbreak produced 48 tornadoes, killed six people, and injured many others.
The tornado outbreak of January 10–11, 2020 was a two-day severe weather event stretching from the South-Central Plains eastward into the Southeast United States. An eastward-moving shortwave trough tracked across the continental United States through that two-day period, combining with abundant moisture, instability, and wind shear to promote the formation of a long-lived squall line. Hundreds of damaging wind reports were received, and 80 tornadoes occurred within this line, making it the third largest January tornado outbreak on record. Three tornadoes—an EF1 in eastern Texas, an EF2 in northern Louisiana, and an EF2 in western Alabama—led to a total of seven deaths, all in mobile homes. There were five other storm related deaths, including two due to icy roads in Lubbock, Texas, one due to drowning in Oklahoma, and one due to icy roads in Iowa. The system also brought a monthly record high temperature to Boston and Bridgeport. Extensive damage and several other injuries occurred as well. The severe weather event was notable in that it was forecast well in advance, with the Storm Prediction Center first highlighting the risk area a full week beforehand. Total damage from the event reached $1.1 billion according to the National Centers for Environmental Information.
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.
The April 2022 North American storm complex affected much of the Rocky Mountains and the Midwestern United States with tornadoes, heavy snow, and gusty winds. The system in general first began impacting the Northwest on April 11, before moving eastward into the Rocky Mountains the following day. It was also responsible for producing a large severe weather outbreak of tornadoes and damaging straight-line wind in the Midwest and South while contributing to a powerful blizzard in the upper Midwest states of North and South Dakota.
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↑ "NWS Damage Survey for 12/10/2021 Tornado Event". Iowa Environmental Mesonet. National Weather Service Weather Forecast Office in Little Rock, Arkansas. December 15, 2021. Archived from the original on December 16, 2021. Retrieved December 16, 2021.
↑ "Arkansas Event Report: EF0 Tornado". National Centers for Environmental Information. National Weather Service in Memphis, Tennessee. 2021. Archived from the original on March 20, 2022. Retrieved March 19, 2022.
↑ "Missouri Event Report: EF0 Tornado". National Centers for Environmental Information. National Weather Service in St. Louis, Missouri. 2021. Archived from the original on March 20, 2022. Retrieved March 19, 2022.
↑ "Arkansas Event Report: EF1 Tornado". National Centers for Environmental Information. National Weather Service in Memphis, Tennessee. 2021. Archived from the original on March 20, 2022. Retrieved March 19, 2022.
↑ "Arkansas Event Report: EF0 Tornado". National Centers for Environmental Information. National Weather Service in Memphis, Tennessee. 2021. Archived from the original on March 20, 2022. Retrieved March 19, 2022.
↑ "Arkansas Event Report: EF3 Tornado". National Centers for Environmental Information. National Weather Service in Memphis, Tennessee. 2021. Archived from the original on March 20, 2022. Retrieved March 19, 2022. "Arkansas Event Report: EF3 Tornado". National Centers for Environmental Information. National Weather Service in Memphis, Tennessee. 2021. Archived from the original on March 20, 2022. Retrieved March 19, 2022. "Missouri Event Report: EF3 Tornado". National Centers for Environmental Information. National Weather Service in Memphis, Tennessee. 2021. Archived from the original on March 20, 2022. Retrieved March 19, 2022. "Missouri Event Report: EF4 Tornado". National Centers for Environmental Information. National Weather Service in Memphis, Tennessee. 2021. Archived from the original on March 20, 2022. Retrieved March 19, 2022. "Tennessee Event Report: EF2 Tornado". National Centers for Environmental Information. National Weather Service in Memphis, Tennessee. 2021. Archived from the original on March 19, 2022. Retrieved March 19, 2022. "Missouri Event Report: EF2 Tornado". National Centers for Environmental Information. National Weather Service in Memphis, Tennessee. 2021. Archived from the original on March 20, 2022. Retrieved March 19, 2022. "Tennessee Event Report: EF4 Tornado". National Centers for Environmental Information. National Weather Service in Memphis, Tennessee. 2021. Archived from the original on March 19, 2022. Retrieved March 19, 2022. "Tennessee Event Report: EF2 Tornado". National Centers for Environmental Information. National Weather Service in Memphis, Tennessee. 2021. Archived from the original on March 19, 2022. Retrieved March 19, 2022.
↑ "Missouri Event Report: EF1 Tornado". National Centers for Environmental Information. National Weather Service in Springfield, Missouri. 2021. Archived from the original on March 20, 2022. Retrieved March 19, 2022.
↑ "Missouri Event Report: EF3 Tornado". National Centers for Environmental Information. National Weather Service in St. Louis, Missouri. 2021. Archived from the original on March 20, 2022. Retrieved March 19, 2022. "Missouri Event Report: EF1 Tornado". National Centers for Environmental Information. National Weather Service in St. Louis, Missouri. 2021. Archived from the original on March 20, 2022. Retrieved March 19, 2022. "Missouri Event Report: EF1 Tornado". National Centers for Environmental Information. National Weather Service in St. Louis, Missouri. 2021. Archived from the original on March 20, 2022. Retrieved March 19, 2022. "Missouri Event Report: EF0 Tornado". National Centers for Environmental Information. National Weather Service in St. Louis, Missouri. 2021. Archived from the original on March 20, 2022. Retrieved March 19, 2022.
↑ "Illinois Event Report: EF2 Tornado". National Centers for Environmental Information. National Weather Service in Lincoln, Illinois. 2021. Archived from the original on March 20, 2022. Retrieved March 19, 2022.
↑ "Missouri Event Report: EF1 Tornado". National Centers for Environmental Information. National Weather Service in Springfield, Missouri. 2021. Archived from the original on March 20, 2022. Retrieved March 19, 2022.
↑ "Arkansas Event Report: EF1 Tornado". National Centers for Environmental Information. National Weather Service in Little Rock, Arkansas. 2021. Archived from the original on March 20, 2022. Retrieved March 19, 2022.
↑ "Illinois Event Report: EF2 Tornado". National Centers for Environmental Information. National Weather Service in Lincoln, Illinois. 2021. Archived from the original on March 20, 2022. Retrieved March 19, 2022.
↑ "Arkansas Event Report: EF2 Tornado". National Centers for Environmental Information. National Weather Service in Little Rock, Arkansas. 2021. Archived from the original on March 20, 2022. Retrieved March 19, 2022. "Arkansas Event Report: EF2 Tornado". National Centers for Environmental Information. National Weather Service in Little Rock, Arkansas. 2021. Archived from the original on March 20, 2022. Retrieved March 19, 2022.
↑ "Illinois Event Report: EF3 Tornado". National Centers for Environmental Information. National Weather Service in St. Louis, Missouri. 2021. Archived from the original on March 19, 2022. Retrieved March 19, 2022.
↑ "Arkansas Event Report: EF1 Tornado". National Centers for Environmental Information. National Weather Service in Little Rock, Arkansas. 2021. Archived from the original on March 20, 2022. Retrieved March 19, 2022.
↑ "Arkansas Event Report: EF1 Tornado". National Centers for Environmental Information. National Weather Service in Memphis, Tennessee. 2021. Archived from the original on March 20, 2022. Retrieved March 19, 2022.
↑ "Kentucky Event Report: EF1 Tornado". National Centers for Environmental Information. National Weather Service in Paducah, Kentucky. 2021. Archived from the original on March 20, 2022. Retrieved March 19, 2022.
↑ "Tennessee Event Report: EF1 Tornado". National Centers for Environmental Information. National Weather Service in Memphis, Tennessee. 2021. Archived from the original on March 19, 2022. Retrieved March 19, 2022.
↑ "Tennessee Event Report: EF0 Tornado". National Centers for Environmental Information. National Weather Service in Memphis, Tennessee. 2021. Archived from the original on March 19, 2022. Retrieved March 19, 2022.
↑ "Tennessee Event Report: EF0 Tornado". National Centers for Environmental Information. National Weather Service in Memphis, Tennessee. 2021. Archived from the original on March 19, 2022. Retrieved March 19, 2022.
↑ "Arkansas Event Report: EF0 Tornado". National Centers for Environmental Information. National Weather Service in Memphis, Tennessee. 2021. Archived from the original on March 20, 2022. Retrieved March 19, 2022.
↑ "Tennessee Event Report: EF0 Tornado". National Centers for Environmental Information. National Weather Service in Memphis, Tennessee. 2021. Archived from the original on September 18, 2023. Retrieved March 19, 2022. "Kentucky Event Report: EF4 Tornado". National Centers for Environmental Information. National Weather Service in Paducah, Kentucky. 2021. Archived from the original on September 18, 2023. Retrieved March 19, 2022. "Kentucky Event Report: EF3 Tornado". National Centers for Environmental Information. National Weather Service in Paducah, Kentucky. 2021. Archived from the original on March 20, 2022. Retrieved March 19, 2022. "Kentucky Event Report: EF4 Tornado". National Centers for Environmental Information. National Weather Service in Paducah, Kentucky. 2021. Archived from the original on March 20, 2022. Retrieved March 19, 2022. "Kentucky Event Report: EF4 Tornado". National Centers for Environmental Information. National Weather Service in Paducah, Kentucky. 2021. Archived from the original on March 20, 2022. Retrieved March 19, 2022. "Kentucky Event Report: EF3 Tornado". National Centers for Environmental Information. National Weather Service in Paducah, Kentucky. 2021. Archived from the original on March 20, 2022. Retrieved March 19, 2022. "Kentucky Event Report: EF4 Tornado". National Centers for Environmental Information. National Weather Service in Paducah, Kentucky. 2021. Archived from the original on March 20, 2022. Retrieved March 19, 2022. "Kentucky Event Report: EF4 Tornado". National Centers for Environmental Information. National Weather Service in Paducah, Kentucky. 2021. Archived from the original on March 20, 2022. Retrieved March 19, 2022. "Kentucky Event Report: EF4 Tornado". National Centers for Environmental Information. National Weather Service in Paducah, Kentucky. 2021. Archived from the original on March 20, 2022. Retrieved March 19, 2022. "Kentucky Event Report: EF3 Tornado". National Centers for Environmental Information. National Weather Service in Louisville, Kentucky. 2021. Archived from the original on March 20, 2022. Retrieved March 19, 2022. "Kentucky Event Report: EF1 Tornado". National Centers for Environmental Information. National Weather Service in Louisville, Kentucky. 2021. Archived from the original on March 20, 2022. Retrieved March 19, 2022. "Kentucky Event Report: EF1 Tornado". National Centers for Environmental Information. National Weather Service in Louisville, Kentucky. 2021. Archived from the original on March 20, 2022. Retrieved March 19, 2022. "Kentucky Event Report: EF1 Tornado". National Centers for Environmental Information. National Weather Service in Louisville, Kentucky. 2021. Archived from the original on March 20, 2022. Retrieved March 19, 2022. "Kentucky Event Report: EF0 Tornado". National Centers for Environmental Information. National Weather Service in Louisville, Kentucky. 2021. Archived from the original on March 20, 2022. Retrieved March 19, 2022.
↑ "Arkansas Event Report: EF0 Tornado". National Centers for Environmental Information. National Weather Service in Memphis, Tennessee. 2021. Archived from the original on March 20, 2022. Retrieved March 19, 2022.
↑ "Illinois Event Report: EF1 Tornado". National Centers for Environmental Information. National Weather Service in St. Louis, Missouri. 2021. Archived from the original on March 19, 2022. Retrieved March 19, 2022. "Illinois Event Report: EF1 Tornado". National Centers for Environmental Information. National Weather Service in St. Louis, Missouri. 2021. Archived from the original on March 19, 2022. Retrieved March 19, 2022. "Illinois Event Report: EF1 Tornado". National Centers for Environmental Information. National Weather Service in St. Louis, Missouri. 2021. Archived from the original on March 19, 2022. Retrieved March 19, 2022. "Illinois Event Report: EF2 Tornado". National Centers for Environmental Information. National Weather Service in Lincoln, Illinois. 2021. Archived from the original on March 20, 2022. Retrieved March 19, 2022.
↑ "Illinois Event Report: EF2 Tornado". National Centers for Environmental Information. National Weather Service in Lincoln, Illinois. 2021. Archived from the original on March 20, 2022. Retrieved March 19, 2022.
↑ "Illinois Event Report: EF2 Tornado". National Centers for Environmental Information. National Weather Service in Lincoln, Illinois. 2021. Archived from the original on March 20, 2022. Retrieved March 19, 2022. "Illinois Event Report: EF2 Tornado". National Centers for Environmental Information. National Weather Service in Lincoln, Illinois. 2021. Archived from the original on March 20, 2022. Retrieved March 19, 2022. "Illinois Event Report: EF2 Tornado". National Centers for Environmental Information. National Weather Service in Lincoln, Illinois. 2021. Archived from the original on March 20, 2022. Retrieved March 19, 2022.
↑ "Illinois Event Report: EF0 Tornado". National Centers for Environmental Information. National Weather Service in Chicago, Illinois. 2021. Archived from the original on March 20, 2022. Retrieved March 19, 2022.
↑ "Missouri Event Report: EF2 Tornado". National Centers for Environmental Information. National Weather Service in St. Louis, Missouri. 2021. Archived from the original on March 20, 2022. Retrieved March 19, 2022.
↑ "Illinois Event Report: EF1 Tornado". National Centers for Environmental Information. National Weather Service in Lincoln, Illinois. 2021. Archived from the original on March 20, 2022. Retrieved March 19, 2022.
↑ "Tennessee Event Report: EF2 Tornado". National Centers for Environmental Information. National Weather Service in Memphis, Tennessee. 2021. Archived from the original on March 19, 2022. Retrieved March 19, 2022. "Tennessee Event Report: EF3 Tornado". National Centers for Environmental Information. National Weather Service in Memphis, Tennessee. 2021. Archived from the original on March 19, 2022. Retrieved March 19, 2022. "Tennessee Event Report: EF2 Tornado". National Centers for Environmental Information. National Weather Service in Memphis, Tennessee. 2021. Archived from the original on March 19, 2022. Retrieved March 19, 2022. "Tennessee Event Report: EF1 Tornado". National Centers for Environmental Information. National Weather Service in Memphis, Tennessee. 2021. Archived from the original on March 19, 2022. Retrieved March 19, 2022. "Tennessee Event Report: EF3 Tornado". National Centers for Environmental Information. National Weather Service in Memphis, Tennessee. 2021. Archived from the original on March 19, 2022. Retrieved March 19, 2022. "Tennessee Event Report: EF3 Tornado". National Centers for Environmental Information. National Weather Service in Memphis, Tennessee. 2021. Archived from the original on March 19, 2022. Retrieved March 19, 2022. "Tennessee Event Report: EF2 Tornado". National Centers for Environmental Information. National Weather Service in Nashville, Tennessee. 2021. Archived from the original on April 18, 2022. Retrieved March 19, 2022. "Kentucky Event Report: EF1 Tornado". National Centers for Environmental Information. National Weather Service in Paducah, Kentucky. 2021. Archived from the original on March 20, 2022. Retrieved March 19, 2022. "Kentucky Event Report: EF2 Tornado". National Centers for Environmental Information. National Weather Service in Paducah, Kentucky. 2021. Archived from the original on March 20, 2022. Retrieved March 19, 2022. "Kentucky Event Report: EF1 Tornado". National Centers for Environmental Information. National Weather Service in Paducah, Kentucky. 2021. Archived from the original on March 20, 2022. Retrieved March 19, 2022.
↑ "Illinois Event Report: EF2 Tornado". National Centers for Environmental Information. National Weather Service in Lincoln, Illinois. 2021. Archived from the original on March 20, 2022. Retrieved March 19, 2022. "Illinois Event Report: EF1 Tornado". National Centers for Environmental Information. National Weather Service in Lincoln, Illinois. 2021. Archived from the original on March 20, 2022. Retrieved March 19, 2022.
↑ "Kentucky Event Report: EF1 Tornado". National Centers for Environmental Information. National Weather Service in Louisville, Kentucky. 2021. Archived from the original on March 20, 2022. Retrieved March 20, 2022.
↑ "Tennessee Event Report: EF0 Tornado". National Centers for Environmental Information. National Weather Service in Memphis, Tennessee. 2021. Archived from the original on March 19, 2022. Retrieved March 20, 2022.
↑ "Kentucky Event Report: EF3 Tornado". National Centers for Environmental Information. National Weather Service in Louisville, Kentucky. 2021. Archived from the original on March 20, 2022. Retrieved March 20, 2022. "Kentucky Event Report: EF1 Tornado". National Centers for Environmental Information. National Weather Service in Louisville, Kentucky. 2021. Archived from the original on March 20, 2022. Retrieved March 20, 2022.
↑ "Kentucky Event Report: EF1 Tornado". National Centers for Environmental Information. National Weather Service in Louisville, Kentucky. 2021. Archived from the original on March 20, 2022. Retrieved March 20, 2022.
↑ "Kentucky Event Report: EF3 Tornado". National Centers for Environmental Information. National Weather Service in Louisville, Kentucky. 2021. Archived from the original on March 20, 2022. Retrieved March 20, 2022. "Kentucky Event Report: EF1 Tornado". National Centers for Environmental Information. National Weather Service in Louisville, Kentucky. 2021. Archived from the original on March 20, 2022. Retrieved March 20, 2022.
↑ "Kentucky Event Report: EF2 Tornado". National Centers for Environmental Information. National Weather Service in Louisville, Kentucky. 2021. Archived from the original on March 20, 2022. Retrieved March 20, 2022.
↑ "Tennessee Event Report: EF1 Tornado". National Centers for Environmental Information. National Weather Service in Memphis, Tennessee. 2021. Archived from the original on March 19, 2022. Retrieved March 20, 2022. "Tennessee Event Report: EF1 Tornado". National Centers for Environmental Information. National Weather Service in Memphis, Tennessee. 2021. Archived from the original on March 19, 2022. Retrieved March 20, 2022.
↑ "Tennessee Event Report: EF2 Tornado". National Centers for Environmental Information. National Weather Service in Memphis, Tennessee. 2021. Archived from the original on March 19, 2022. Retrieved March 20, 2022.
↑ "Kentucky Event Report: EF0 Tornado". National Centers for Environmental Information. National Weather Service in Louisville, Kentucky. 2021. Archived from the original on March 20, 2022. Retrieved March 20, 2022. "Kentucky Event Report: EF2 Tornado". National Centers for Environmental Information. National Weather Service in Louisville, Kentucky. 2021. Archived from the original on March 20, 2022. Retrieved March 20, 2022. "Kentucky Event Report: EF1 Tornado". National Centers for Environmental Information. National Weather Service in Louisville, Kentucky. 2021. Archived from the original on March 20, 2022. Retrieved March 20, 2022.
↑ "Kentucky Event Report: EF2 Tornado". National Centers for Environmental Information. National Weather Service in Louisville, Kentucky. 2021. Archived from the original on March 20, 2022. Retrieved March 20, 2022. "Kentucky Event Report: EF1 Tornado". National Centers for Environmental Information. National Weather Service in Louisville, Kentucky. 2021. Archived from the original on March 20, 2022. Retrieved March 20, 2022.
↑ "Tennessee Event Report: EF1 Tornado". National Centers for Environmental Information. National Weather Service in Memphis, Tennessee. 2021. Archived from the original on March 19, 2022. Retrieved March 20, 2022. "Tennessee Event Report: EF0 Tornado". National Centers for Environmental Information. National Weather Service in Memphis, Tennessee. 2021. Archived from the original on March 19, 2022. Retrieved March 20, 2022.
↑ "Ohio Event Report: EF1 Tornado". National Centers for Environmental Information. National Weather Service in Wilmington, Ohio. 2021. Archived from the original on March 21, 2022. Retrieved March 20, 2022.
↑ "Tennessee Event Report: EF0 Tornado". National Centers for Environmental Information. National Weather Service in Nashville, Tennessee. 2021. Archived from the original on April 18, 2022. Retrieved April 18, 2022. "Tennessee Event Report: EF0 Tornado". National Centers for Environmental Information. National Weather Service in Nashville, Tennessee. 2021. Archived from the original on April 18, 2022. Retrieved April 18, 2022. "Tennessee Event Report: EF2 Tornado". National Centers for Environmental Information. National Weather Service in Nashville, Tennessee. 2021. Archived from the original on April 18, 2022. Retrieved April 18, 2022.
↑ "Kentucky Event Report: EF3 Tornado". National Centers for Environmental Information. National Weather Service in Louisville, Kentucky. 2021. Archived from the original on March 20, 2022. Retrieved March 20, 2022. "Kentucky Event Report: EF2 Tornado". National Centers for Environmental Information. National Weather Service in Louisville, Kentucky. 2021. Archived from the original on March 20, 2022. Retrieved March 20, 2022.
↑ "Tennessee Event Report: EF1 Tornado". National Centers for Environmental Information. National Weather Service in Nashville, Tennessee. 2021. Archived from the original on April 18, 2022. Retrieved April 18, 2022.
↑ "Kentucky Event Report: EF1 Tornado". National Centers for Environmental Information. National Weather Service in Louisville, Kentucky. 2021. Archived from the original on March 20, 2022. Retrieved March 20, 2022.
↑ "Tennessee Event Report: EF0 Tornado". National Centers for Environmental Information. National Weather Service in Nashville, Tennessee. 2021. Archived from the original on April 18, 2022. Retrieved April 18, 2022. "Tennessee Event Report: EF2 Tornado". National Centers for Environmental Information. National Weather Service in Nashville, Tennessee. 2021. Archived from the original on April 18, 2022. Retrieved April 18, 2022.
↑ "Tennessee Event Report: EF1 Tornado". National Centers for Environmental Information. National Weather Service in Nashville, Tennessee. 2021. Archived from the original on April 18, 2022. Retrieved April 18, 2022.
↑ "Tennessee Event Report: EF1 Tornado". National Centers for Environmental Information. National Weather Service in Nashville, Tennessee. 2021. Archived from the original on April 18, 2022. Retrieved April 18, 2022. "Tennessee Event Report: EF2 Tornado". National Centers for Environmental Information. National Weather Service in Nashville, Tennessee. 2021. Archived from the original on April 18, 2022. Retrieved April 18, 2022. "Tennessee Event Report: EF0 Tornado". National Centers for Environmental Information. National Weather Service in Nashville, Tennessee. 2021. Archived from the original on April 18, 2022. Retrieved April 18, 2022.
↑ "Kentucky Event Report: EF2 Tornado". National Centers for Environmental Information. National Weather Service in Louisville, Kentucky. 2021. Archived from the original on March 20, 2022. Retrieved March 20, 2022.
↑ "Kentucky Event Report: EF1 Tornado". National Centers for Environmental Information. National Weather Service in Louisville, Kentucky. 2021. Archived from the original on March 20, 2022. Retrieved March 20, 2022.
↑ "Kentucky Event Report: EF1 Tornado". National Centers for Environmental Information. National Weather Service in Louisville, Kentucky. 2021. Archived from the original on March 20, 2022. Retrieved March 20, 2022. "Kentucky Event Report: EF1 Tornado". National Centers for Environmental Information. National Weather Service in Louisville, Kentucky. 2021. Archived from the original on March 20, 2022. Retrieved March 20, 2022.
↑ "Kentucky Event Report: EF1 Tornado". National Centers for Environmental Information. National Weather Service in Louisville, Kentucky. 2021. Archived from the original on March 20, 2022. Retrieved March 20, 2022. "Kentucky Event Report: EF1 Tornado". National Centers for Environmental Information. National Weather Service in Louisville, Kentucky. 2021. Archived from the original on March 20, 2022. Retrieved March 20, 2022.
↑ "Kentucky Event Report: EF1 Tornado". National Centers for Environmental Information. National Weather Service in Louisville, Kentucky. 2021. Archived from the original on March 20, 2022. Retrieved March 20, 2022.
↑ "Tennessee Event Report: EF0 Tornado". National Centers for Environmental Information. National Weather Service in Nashville, Tennessee. 2021. Archived from the original on April 18, 2022. Retrieved April 18, 2022.
↑ "Kentucky Event Report: EF1 Tornado". National Centers for Environmental Information. National Weather Service in Louisville, Kentucky. 2021. Archived from the original on March 20, 2022. Retrieved March 20, 2022.
↑ "Kentucky Event Report: EF1 Tornado". National Centers for Environmental Information. National Weather Service in Louisville, Kentucky. 2021. Archived from the original on March 20, 2022. Retrieved March 20, 2022.
↑ "Tennessee Event Report: EF0 Tornado". National Centers for Environmental Information. National Weather Service in Nashville, Tennessee. 2021. Archived from the original on April 18, 2022. Retrieved April 18, 2022. "Tennessee Event Report: EF1 Tornado". National Centers for Environmental Information. National Weather Service in Nashville, Tennessee. 2021. Archived from the original on April 18, 2022. Retrieved April 18, 2022.
↑ "Tennessee Event Report: EF0 Tornado". National Centers for Environmental Information. National Weather Service in Nashville, Tennessee. 2021. Archived from the original on April 18, 2022. Retrieved April 18, 2022. "Tennessee Event Report: EF1 Tornado". National Centers for Environmental Information. National Weather Service in Nashville, Tennessee. 2021. Archived from the original on April 18, 2022. Retrieved April 18, 2022.
↑ "Tennessee Event Report: EF0 Tornado". National Centers for Environmental Information. National Weather Service in Nashville, Tennessee. 2021. Archived from the original on April 18, 2022. Retrieved April 18, 2022.
↑ "Tennessee Event Report: EF0 Tornado". National Centers for Environmental Information. National Weather Service in Nashville, Tennessee. 2021. Archived from the original on April 18, 2022. Retrieved April 18, 2022.
↑ "Tennessee Event Report: EF0 Tornado". National Centers for Environmental Information. National Weather Service in Nashville, Tennessee. 2021. Archived from the original on April 18, 2022. Retrieved April 18, 2022. "Tennessee Event Report: EF0 Tornado". National Centers for Environmental Information. National Weather Service in Nashville, Tennessee. 2021. Archived from the original on April 18, 2022. Retrieved April 18, 2022. "Tennessee Event Report: EF0 Tornado". National Centers for Environmental Information. National Weather Service in Nashville, Tennessee. 2021. Archived from the original on April 18, 2022. Retrieved April 18, 2022.
↑ "Tennessee Event Report: EF0 Tornado". National Centers for Environmental Information. National Weather Service in Nashville, Tennessee. 2021. Archived from the original on April 18, 2022. Retrieved April 18, 2022. "Tennessee Event Report: EF0 Tornado". National Centers for Environmental Information. National Weather Service in Nashville, Tennessee. 2021. Archived from the original on April 18, 2022. Retrieved April 18, 2022.
↑ "Tennessee Event Report: EF1 Tornado". National Centers for Environmental Information. National Weather Service in Nashville, Tennessee. 2021. Archived from the original on April 18, 2022. Retrieved April 18, 2022. "Kentucky Event Report: EF0 Tornado". National Centers for Environmental Information. National Weather Service in Louisville, Kentucky. 2021. Archived from the original on March 20, 2022. Retrieved March 20, 2022.
↑ "Mississippi Event Report: EF1 Tornado". National Centers for Environmental Information. National Weather Service in Memphis, Tennessee. 2021. Archived from the original on March 21, 2022. Retrieved March 20, 2022.
↑ "Tennessee Event Report: EF0 Tornado". National Centers for Environmental Information. National Weather Service in Nashville, Tennessee. 2021. Archived from the original on April 18, 2022. Retrieved April 18, 2022.
↑ "Tennessee Event Report: EF0 Tornado". National Centers for Environmental Information. National Weather Service in Nashville, Tennessee. 2021. Archived from the original on April 18, 2022. Retrieved April 18, 2022.
↑ "Georgia Event Report: EF0 Tornado". National Centers for Environmental Information. National Weather Service in Atlanta, Georgia. 2021. Archived from the original on March 21, 2022. Retrieved March 20, 2022.
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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