Tropical Storm Fred (2021)

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Map key
  Tropical depression (≤38 mph, ≤62 km/h)
  Tropical storm (39–73 mph, 63–118 km/h)
  Category 1 (74–95 mph, 119–153 km/h)
  Category 2 (96–110 mph, 154–177 km/h)
  Category 3 (111–129 mph, 178–208 km/h)
  Category 4 (130–156 mph, 209–251 km/h)
  Category 5 (≥157 mph, ≥252 km/h)
  Unknown
Storm type
Disc Plain black.svg Tropical cyclone
Solid black.svg Subtropical cyclone
ArrowUp.svg Extratropical cyclone, remnant low, tropical disturbance, or monsoon depression

On August 4 at 12:00 UTC, the National Hurricane Center (NHC) noted a tropical wave which had formed in the central Atlantic. [2] Initially not deemed likely to develop, the wave's chances of development were raised on August 8 as it approached the Leeward Islands. [3] As thunderstorm activity began to consolidate, the disturbance proceeded to receive the designation as Potential Tropical Cyclone Six as it approached closer to the Leeward Islands at August 9 at 21:00 UTC, the classification "potential tropical cyclone" used by the NHC indicating a storm not yet a tropical cyclone but a land threat requiring issuance of forecasts. [4] The disturbance passed just south of Dominica, or 55 miles (89 km) south of Guadeloupe early on August 10, entering the Northeastern Caribbean Sea at around 09:00 UTC that day. [5] Despite having a well-organized appearance on satellite imagery resembling a cyclone at tropical storm strength, surface observations and data from a NOAA Hurricane Hunter aircraft flown into the disturbance earlier in the day confirmed the storm had not yet acquired a well-defined closed circulation. [6] Passing south of the Virgin Islands, radar imagery continued to affirm that the disturbance had not yet formed into a tropical cyclone with multiple areas of rotation being evident and not resembling a well-defined circulation. [7] However, following yet another hurricane hunter reconnaissance flight into the disturbance, data confirmed it was defined enough to be designated Tropical Storm Fred45 miles (72 km) south of Ponce, Puerto Rico on August 11 at 03:00 UTC. [8]

Tropical Storm Fred making landfall in the Dominican Republic on August 11 Fred 2021-08-11 1730Z.jpg
Tropical Storm Fred making landfall in the Dominican Republic on August 11

Fred's circulation continued to become better defined as reconnaissance aircraft data further confirmed the storm had intensified slightly with winds at 45 mph (72 km/h). Shortly after, Fred made landfall just west of Santo Domingo in the Dominican Republic at around 18:00 UTC that day. [9] Fred's circulation was quickly disrupted by the mountainous terrain of the island of Hispaniola, weakening to a tropical depression over the central part of the island early on August 12. [10] After emerging back over the waters north of the Windward Passage at 09:00 UTC, Fred had lost a majority of its thunderstorm activity over the center which itself had become broad and ill-defined, further exacerbated by 20 knots of westerly wind shear inflicted by an upper-level trough near Florida. [11] As Fred slowly drifted west-northwestward, continued unfavorable conditions led to Fred struggling to re-organize, with its mid-level and low-level centers being displaced around 50 miles (80 km) from each other according to reconnaissance aircraft data. [12] Fred shifted almost due westward and its low-level center moved inland over northern Cuba around 18:00 UTC on August 14. [13] Jogging a little further west than forecasted, continued land interaction with Cuba and wind shear caused Fred to degenerate into a tropical wave at 15:00 UTC on August 14, although advisories continued due to a potential land threat to Florida and the possibility of regeneration. [14]

The remnants of Fred turned northward into the Gulf of Mexico and began to re-organize, attaining gale-force winds and an organized band of thunderstorms to the east of its trough axis. [15] Furthermore, hurricane hunter reconnaissance data confirmed that the remnants had developed an organized circulation and that Fred had regenerated into a tropical storm at 12:40 UTC on August 15. [16] A lopsided tropical cyclone, most of the strongest winds were displaced to the east of the partially exposed center as the storm increased in strength once more. [17] Fred continued intensifying in a marginally favorable environment with 30 °C (86 °F) sea surface temperatures and a relatively moist atmosphere, with bursts of convection forming into a small central dense overcast over the center which was slightly more east than depicted as confirmed by reconnaissance aircraft. [18] Fred reached its peak intensity as a strong tropical storm with winds of 65 mph (105 km/h) at 18:00 UTC on August 16 shortly before making landfall a few miles southeast of Mexico Beach near Cape San Blas, Florida at a similar intensity around an hour later at 19:15 UTC. [19] [20] Fred rapidly weakened shortly after landfall, weakening to a tropical depression over Georgia by 09:00 UTC the next day. [21]

Preparations and impact

Caribbean

Fred caused $10 million in damage in the Caribbean. [22]

Lesser Antilles

Potential Tropical Cyclone Six approaching Puerto Rico on August 10. 06L 2021-08-10 1422Z-1922Z.gif
Potential Tropical Cyclone Six approaching Puerto Rico on August 10.

In Guadeloupe, Météo-France raised yellow wind alerts as the precursor disturbance to Fred approached the island country. [23] Martinique also received the same alert and reported gusty winds and rainfall as the wave passed just to the north of the island. [24]

Tropical storm watches were also issued across Dominica and Barbados and the previously mentioned islands with the designation of Potential Tropical Cyclone Six. [25]

Puerto Rico

With the designation of Potential Tropical Cyclone Six moving towards Puerto Rico, tropical storm warnings were raised on August 9. [26] By the next day, following the formation of Fred, heavy rain from the storm's outer rainbands produced heavy rainfall and brief but intense squalls which knocked out power to over 13,000 people in parts of the island. [27] [28] Governor Pedro Pierluisi noted that some gas stations shut down as large amounts of people came to fuel prior to the storm. [28] Eight shelters were also opened on the island, although only seven people sought refuge. [28] A 55 km/h (34 mph) wind gust was recorded in Lajas. [29]

Hispaniola

In the Dominican Republic, tropical storm warnings were issued as Fred approached the island on August 10. [26] Upon landfall near Santo Domingo, 400,000 people lost power across the country. [30] Flooded rivers causing the shutdown the country's aqueduct system caused more than 500,000 people to lose access to water. [31] [30] In Santo Domingo, 1,700 people were evacuated and at least 100 homes were damaged. [30] More than 47 communities were cut off and 4,025 people were displaced by flash flooding caused by the storm, while 805 homes in total were damaged across the country; at least 5 were entirely destroyed. [32] 47 flights were cancelled or delayed at Las Américas International Airport and La Isabela International Airport. [33] Social media reported street closures and the collapse of a bridge in Santo Domingo. [33]

In Haiti, the Civil Protection Unit issued a yellow level of vigilance (risk of impact at low to moderate intensity) as Fred crossed into the country. [34] The Directorate for Civil Protection reminded civilians to be cautious of floods and mudslides. [34]

United States

Fred caused a total of $1.1 billion in economic losses in the U.S. [22]

Florida

Tropical Storm Fred making landfall in Cape San Blas, Florida. KTLH loop of TS Fred landfall.gif
Tropical Storm Fred making landfall in Cape San Blas, Florida.

On August 15, tropical storm watches were issued for the majority of the Florida Panhandle as the remnants of Fred drifted northward. [35] As Fred regenerated and approached the state, the prior watches were upgraded to tropical storm warnings. [36] Franklin County officials issued an voluntary evacuation order later that same day. [37] Bay County officials warned residents to prepare for flooding rainfall events. [38] Fort Pickens was shut down on August 14 at 8:00 p.m. due to the approaching storm. [39]

Following landfall, more than 36,000 people in Florida reportedly lost electricity. [40] Schools in Bay County, Okaloosa County, and Santa Rosa County were immediately closed. [40] 7 inches (180 mm) of rain fell in Panama City within 24 hours, while 9 inches (229 mm) of rain reportedly fell in Southport, where serious flooding was evident. [41] [42] Several water rescues were carried out across Panama City, where many were rescued from their flooded homes, with no injuries reported. [43] Also in Panana City, a downed power line fell on top of a car with a man inside, trapping the man until he was rescued and hospitalized with a broken neck. [43] U.S. President Joe Biden approved the issuance of a state of emergency for 23 counties in the state soon after landfall. [44] [45] Fred brought storm surge flooding across St. George Island, Cape San Blas, and Port St. Joe, while the road to Indian Pass was blocked after being covered with over 5 feet of water [46] The bridge to St. George Island was closed shortly after wind gusts at or near hurricane-force battered the island. [46] A man in Bay County died after hydroplaning on a flooded road and falling into a ditch. [47]

Georgia

Tropical Depression Fred just east of Atlanta on August 17 Fred 2021-08-17 1903Z.jpg
Tropical Depression Fred just east of Atlanta on August 17

As Fred continued to move inland, tornado watches were issued by the National Weather Service for much of Georgia, South Carolina, and North Carolina. [48] There were 16 reports of tornadoes across the three states, while at least six of them were observed across Georgia, including but not limited to an EF1 tornado which touched down in Americus and damaged at least 100 homes and an apartment complex. [49] [50] An unconfirmed tornado hit Jeffersonville and ripped the roof off of a sports goods warehouse, while an EF1 tornado also destroyed a mobile home in Banks County northeast of Atlanta. [49] [51] A horse stable in Homer was destroyed by the same tornado, with the horses being rescued. [43] Metro Atlanta received around 2 inches (51 mm) of rain in hours. [52] A large tree was uprooted and fell on top of a home and hit a gas line in Atlanta, causing Georgia Power crews, Atlanta Gas Light crews and firefighters to rush to the scene. [53] Atlanta recorded nearly 3 inches of rain overnight, a record amount of rainfall for mid-August. [54] Major flooding hit areas along Interstate 85 in Georgia. [54]

North Carolina and South Carolina

Around 39,200 users of Duke Energy in the Carolinas lost electricity as trees across the state were knocked down while Fred moved north. [55] Even before Fred, some areas had as much as six inches of rain in three days, so the ground was saturated. [56] Fred caused record-breaking flooding in some portions of western North Carolina, with Asheville receiving over 10 inches (250 mm) of rain in a 48-hour period, leading to the issuance of a flash flood emergency. [57] [58] Residents in the nearby town of Swannanoa were asked to shelter-in-place due to the flash flooding. [58] Among the worst-hit areas, some homes were completely destroyed and several roads and bridges washed out. [59] River water levels were estimated to have swelled anywhere from 3 to 7 feet (0.9 to 2.1 m) higher than usual. [60] Mudslides blocked portions of Interstate 40 in Haywood County as well as other roads across western North Carolina. [61] Weather radar estimated that 10 to 12 inches of rain fell over the Pisgah National Forest area; nearby, in Cruso, 9.13 inches of rain was recorded within 24 hours. [43] Buncombe County recorded its worst two-day rainfall event in 50 years from August 16–17. [62] North Carolina Emergency Management deployed water rescue teams, while National Guard and Highway Patrol helicopters began searches around the same time. [63] Over 200 search and rescue personnel went house-to-house checking for survivors along the Pigeon River. [62] Several homes were ripped off their foundations and destroyed, a sheriff from the Haywood Counfy Sheriff Department noted. [62] The Pigeon River swelled 19.6 feet (6.0 meters) higher than usual and suffered its worst flooding recorded, higher than the floods caused by Hurricane Ivan in 2004. [64] [65] Central Haywood High School was deemed inoperable after flooding, forcing students to revert to remote learning. [64] In Cruso, North Carolina, 6 people died due to severe flooding in the region, the final missing individual's body being recovered on August 27. [66] [67] According to Haywood County Board of Commissioners chair Kevin Ensley, the community had $300 million in damage with 225 structures destroyed; Clyde had $18 million in damage. 687 homes in the county had some damage, and 20 NC DOT bridges were damaged and three destroyed. [68] Pisgah High School in Canton had significant damage to its athletic fields, especially the football stadium, and had to play home football games elsewhere. [69] Overall, US$11 million in damages was calculated in Transylvania County. [70]

A tornado was observed near the Hiddenite-Stony Point, North Carolina area. [55] Another tornado was reported in Iredell County, North Carolina near Statesville. [55] A funnel cloud was spotted near Drexel, North Carolina where power was reported to be out in the nearby town of Valdese. [55] A confirmed tornado also hit Lake Murray, South Carolina, downing power lines and trees. [71] Governor Roy Cooper issued a state of emergency for North Carolina on August 18. [72]

The Greenville, South Carolina area experienced a record number of tornado warnings on August 17. Thirty-six warnings were issued on that day. [73]

Northeast

The remnants of Fred spawned six tornadoes in Pennsylvania. An EF1 tornado touched down in Tilden Township in Berks County around 9 p.m. on August 18. At about 12:30 am on August 19, an EF1 tornado touched down from Souderton in Montgomery County to the area of Silverdale and Perkasie in Bucks County. [74] [75] Three more weak tornadoes touched down in New Jersey, Connecticut, and Massachusetts. [76] [77] Unrelated to tornadoes, parts of the Lehigh Valley saw over 4 inches (100 mm) of rain, [78] while Syracuse, New York recorded 4.90 inches (124 mm) of rain. [79] Flooding in northern Pennsylvania forced the Leonard Harrison State Park to temporarily close following the storm. [80] Heavy rain in Steuben County, New York triggered a flash flood emergency to be issued, requiring over 100 people to be rescued. [81] Over 2,000 customers lost power in Connecticut. [82]

See also

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Tropical Storm Beta was a tropical cyclone that brought heavy rainfall, flooding, and severe weather to the Southeastern United States in September 2020. The twenty-third tropical depression and twenty-third named storm of the record-breaking 2020 Atlantic hurricane season, Beta originally formed from a trough of low pressure that developed in the northeastern Gulf of Mexico on September 10. The low moved slowly southwestward, with development hampered initially by the development of nearby Hurricane Sally. After Sally moved inland over the Southeastern United States and weakened, the disturbance became nearly stationary in the southwestern Gulf, where it began to organize. By September 16, the storm had gained a low-level circulation center and had enough organization to be designated as Tropical Depression Twenty-Two. The system held its intensity for a day due to the influence of strong wind shear and dry air, before eventually attaining tropical storm strength. It slowly moved northward and intensified to a mid-range tropical storm before dry air and wind shear halted its intensification. Beta then became nearly stationary on September 19, before starting to move west towards the Texas coast the next day, weakening as it approached. On September 21, Beta made landfall near Matagorda Peninsula, Texas as a minimal tropical storm. It subsequently weakened to a tropical depression the next day before becoming post-tropical early on September 23. Its remnants moved northeastward, before the center elongated and merged with a cold front early on September 25.

<span class="mw-page-title-main">Hurricane Delta</span> Category 4 Atlantic hurricane in 2020

Hurricane Delta was the record-tying fourth named storm of 2020 to make landfall in Louisiana, as well as the record-breaking tenth named storm to strike the United States in that year. The twenty-sixth tropical cyclone, twenty-fifth named storm, tenth hurricane, and third major hurricane of the record-breaking 2020 Atlantic hurricane season, Delta formed from a tropical wave which was first monitored by the National Hurricane Center (NHC) on October 1. Moving westward, the tropical wave began to quickly organize. A well-defined center of circulation formed with sufficiently organized deep convection on October 4, and was designated as Tropical Depression Twenty-six and soon thereafter, Tropical Storm Delta. Extremely rapid intensification ensued throughout October 5 into October 6, with Delta becoming a Category 4 hurricane within 28 hours of attaining tropical storm status. The rate of intensification was the fastest in the Atlantic basin since Hurricane Wilma in 2005. After peaking in intensity however, an unexpected increase in wind shear and dry air quickly weakened the small storm before it made landfall in Puerto Morelos, Mexico as a Category 2 hurricane with 105 mph (169 km/h) winds. It weakened some more over land before emerging into the Gulf of Mexico, where it was downgraded to a Category 1 hurricane. After that, it began to restrengthen, regaining Category 3 status late on October 8. It then turned northward and reached a secondary peak intensity of 953 mbar (28.14 inHg) and winds of 120 mph early on October 9. Delta then began to turn more north-northeastward into an area of cooler waters, higher wind shear, and dry air, causing it to weaken back to Category 2 status. Delta then made landfall at 23:00 UTC near Creole, Louisiana with winds of 100 mph (160 km/h) and a pressure of 970 mbar (29 inHg). The storm began to weaken more rapidly after landfall, becoming post-tropical just 22 hours later.

<span class="mw-page-title-main">Hurricane Zeta</span> Category 3 Atlantic hurricane in 2020

Hurricane Zeta was a late-season major hurricane in 2020 that made landfall on the Yucatán Peninsula and then in southeastern Louisiana, the latest on record to do so at such strength in the United States. Zeta was the record-tying sixth hurricane of the year to make landfall in the United States. The twenty-seventh named storm, twelfth hurricane and fifth major hurricane of the extremely active 2020 Atlantic hurricane season, Zeta formed from a broad area of low pressure that formed in the western Caribbean Sea on October 19. After battling wind shear, the quasi-stationary low organized into Tropical Depression Twenty-Eight on October 24. The system strengthened into Tropical Storm Zeta early on October 25 before becoming a hurricane the next day as it began to move northwestward. Hurricane Zeta made landfall on the Yucatán Peninsula late on October 26 and weakened while inland to a tropical storm, before moving off the northern coast of the peninsula on October 27. After weakening due to dry air entrainment, Zeta reorganized and became a hurricane again, and eventually a Category 2 hurricane, as it turned northeastward approaching the United States Gulf Coast on October 28. It continued to strengthen until it reached its peak intensity as a major Category 3 hurricane with 115-mile-per-hour (185 km/h) sustained winds and a minimum pressure of 970 mbar (28.64 inHg) as it made landfall at Cocodrie, Louisiana, that evening. Zeta continued on through Mississippi and parts of Alabama with hurricane-force winds. Zeta gradually weakened as it accelerated northeastward, and became post-tropical on October 29, as it moved through central Virginia, dissipating shortly afterwards off the coast of New Jersey. After bringing accumulating snow to parts of New England, the extratropical low-pressure system carrying Zeta's remnant energy impacted the United Kingdom on November 1 and 2.

<span class="mw-page-title-main">Tropical Storm Claudette (2021)</span> Atlantic tropical storm in 2021

Tropical Storm Claudette was a weak tropical cyclone that caused heavy rain and tornadoes across the Southeastern United States in June 2021, leading to severe damage. The third named storm of the 2021 Atlantic hurricane season, Claudette originated from a broad trough of low pressure over the Bay of Campeche on June 12. The disturbance moved erratically over the region for the next several days, before proceeding northward with little development due to unfavorable upper-level winds and land interaction. Despite this, the National Hurricane Center (NHC) initiated advisories on it as a Potential Tropical Cyclone late on June 17, due to its imminent threat to land. The disturbance finally organized into Tropical Storm Claudette at 00:00 UTC on June 19 just before landfall in southeast Louisiana. Claudette weakened to a depression as it turned east-northeastward before moving through Mississippi, Alabama, Georgia, and South Carolina. Baroclinic forcing then caused Claudette to reintensify into a tropical storm over North Carolina early on June 21 before it accelerated into the Atlantic Ocean later that day. Soon afterward, it degenerated into a low-pressure trough on the same day, before being absorbed into another extratropical cyclone on the next day.

<span class="mw-page-title-main">Tropical Storm Danny (2021)</span> Atlantic tropical storm in 2021

Tropical Storm Danny was a weak and short-lived tropical cyclone that caused minor damage to the U.S. states of South Carolina and Georgia. The fourth named storm of the 2021 Atlantic hurricane season, the system formed from an area of low-pressure that developed from an upper-level trough over the central Atlantic Ocean on June 22. Moving west-northwestward, the disturbance gradually developed as convection, or showers and thunderstorms, increased over it. Although it was moving over the warm Gulf Stream, the organization of the disturbance was hindered by strong upper-level wind shear. By 18:00 UTC of June 27, as satellite images showed a well-defined center and thunderstorms, the system was upgraded to a tropical depression by the National Hurricane Center (NHC). At 06:00 UTC on the next day, the system further strengthened into Tropical Storm Danny east-southeast of Charleston, South Carolina. Danny continued its track towards South Carolina while slowly strengthening, subsequently reaching its peak intensity at that day of 45 mph (72 km/h) and a minimum central pressure of 1,009 mbar (29.8 inHg) at 18:00 UTC. Danny then made landfall in Pritchards Island, north of Hilton Head, in a slightly weakened state at 23:20 UTC on the same day, with winds of 40 mph (64 km/h) and indicating that Danny weakened prior to moving inland. The system then weakened to a tropical depression over east-central Georgia, before dissipating shortly afterward.

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Commons-logo.svg Media related to Tropical Storm Fred (2021) at Wikimedia Commons

Tropical Storm Fred
Fred 2021-08-16 1620Z.jpg
Tropical Storm Fred nearing landfall in the Florida Panhandle on August 16