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Tropical Storm Karen (2019)

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Tropical Storm Karen
Tropical Storm Karen moving over the Spanish Virgin Islands on September 24
Meteorological history
FormedSeptember 22, 2019
DissipatedSeptember 27, 2019
Tropical storm
1-minute sustained (SSHWS/NWS)
Highest winds45 mph (75 km/h)
Lowest pressure1003 mbar (hPa); 29.62 inHg
Overall effects
FatalitiesNone reported
Damage$3.53 million (2019 USD)
Areas affectedWindward Islands, Trinidad and Tobago, Venezuela, US Virgin Islands, British Virgin Islands, Puerto Rico
IBTrACSEdit this at Wikidata
Part of the 2019 Atlantic hurricane season

Tropical Storm Karen was a weak tropical storm that impacted the Lesser Antilles, Virgin Islands, and Puerto Rico in September 2019. The twelfth tropical cyclone and eleventh named storm of the 2019 Atlantic hurricane season, it originated from a tropical wave which entered the tropical Atlantic on September 14. The wave quickly organized as it neared the Windward Islands on September 20, becoming a tropical depression just two days later. The depression strengthened into Tropical Storm Karen later that day, as it moved across the southern Windward Islands. By 18:00 UTC that day, Karen had reached its first peak intensity with 1-minute sustained winds of 45 mph (72 km/h) and a minimum pressure of 1,003 millibars (29.6 inHg). Karen weakened back to a tropical depression at 06:00 UTC on September 23. However, just 12 hours later, Karen re-intensified into a tropical storm. It then entered the central Atlantic, early the next day. Karen began to degrade on September 27, when it weakened into a tropical depression, due to strong wind shear. The system subsequently degenerated into a surface trough later that day.[1]

Karen caused significant flooding and widespread power outages in Trinidad and Tobago. Damage on the island of Tobago reached $3.53 million (USD). Flooding and power outages also occurred in Puerto Rico where roughly 29,000 customers lost electricity. Only minimal impacts were reported in Venezuela, the remainder of the Windward Islands, and the British Virgin Islands.

Meteorological history

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Map plotting the storm's track and intensity, according to the Saffir–Simpson scale
Map key
Saffir–Simpson scale
  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
triangle Extratropical cyclone, remnant low, tropical disturbance, or monsoon depression

On September 14, a tropical wave moved off the west coast of Africa. The wave was accompanied by a large area of convection, or showers and thunderstorms as it moved over the Cabo Verde Islands. However, convective activity started to become disorganized as the wave moved across the tropical Atlantic.[1] The National Hurricane Center (NHC) began to monitor the system for tropical cyclogenesis on September 18.[2] On September 20, convection began to blossom once more as the wave moved into an area favorable for development.[3] Early the next day, an area of low pressure formed along the wave axis while it was located roughly 575 miles (925 km) east-southeast of the southern Windward Islands. At 00:00 UTC on September 22, the wave organized into a tropical depression while located 115 miles (185 km) east of Tobago. At this time, the system was being steered to the west-northwest along the southern periphery of a subtropical ridge.[1] Just three hours later, the depression organized into Tropical Storm Karen while located roughly 120 miles (190 km) southeast of St. Vincent.[4] At around 12:00 UTC that day, Karen passed through the Windward Islands just north of Tobago.[5]

Tropical Storm Karen in the central Atlantic with the remnants of Hurricane Jerry visible to its north

Early on September 23, Karen's convective pattern started to become disorganized as it moved into an area of strong northeasterly vertical wind shear and dry air. At 6:00 UTC on September 24, Karen weakened into a tropical depression as it shifted to the northeast.[1] Early on September 25, deep convection began to slowly increase, however, thunderstorm activity remained south of the center due to north-northeasterly wind shear.[6] Although just a few hours later, thunderstorm activity began to flourish over the storm's center.[1] At 6:00 UTC that day, Karen re-attained tropical storm status while located roughly 90 miles (140 km) southwest of St. Croix.[7] Karen began to slow its forward movement and shift northward around the western periphery of the subtropical ridge.[1] By 18:00 UTC, the storm's center reformed slightly to the west.[8] At 0:00 UTC on September 25, the storm reached its initial peak intensity with one-minute sustained winds of 45 mph (72 km/h) and a minimum central pressure of 1,003 mbar (29.6 inHg), as it moved over the islands of Culebra and Vieques.[9] Later that day, Karen entered the central Atlantic.[1]

On September 26, convection developed over Karen's center. At 9:00 UTC that day, the storm reached its second peak intensity with winds of around 45 mph (72 km/h) and a minimum pressure of 1,004 mbar (29.6 inHg).[1][10] However, later that day, Karen's circulation became elongated, and weakening occurred early on September 27.[11][12] A few hours later, the NHC noted that the storm's circulation had attached to a surface boundary that extended from the remnants of Hurricane Jerry.[13] At 12:00 UTC on September 27, Karen degraded into a tropical depression.[1] Just nine hours later, the system degenerated into a surface trough while located roughly 425 miles (684 km) east-southeast of Bermuda.[14]

Preparations and impact

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Trinidad and Tobago

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On September 22, a Tropical Storm Warning was issued for Trinidad and Tobago.[15] However, the warning was discontinued just a few hours later.[16] The entire country was placed under a red alert due to the storm. Regional corporations handed out sandbags in parts of eastern and southern Trinidad.[17] Some sports games were delayed or cancelled due to the storm. Caribbean Airlines cancelled numerous flights in the country.[18] Residents of the country were asked to avoid floodwaters for health and safety reasons.[19]

Heavy rainfall caused flash flooding across Trinidad and Tobago. Severe flooding was reported in southwestern Tobago and Scarborough. In Trinidad, the Sandy River overtopped its bank, causing flooding in Mason Hall. Nearby, a mudslide caused a road to shut down and a house was destroyed. In Plymouth, seven boats sank after Jetty was damaged.[20][21] In Mt. Lambert, fields were inundated by floodwaters.[22] However, most of Trinidad was spared from major damage.[23] Some of the worst impacts in the country were located in Tobago.[24] A road in Tobago was littered with downed trees and utility poles.[25] During the storm, eight boats were destroyed in Roxborough, causing more than $50,000 TTD ($7,400 USD) in damage.[26] The Tobago Emergency Management Agency (TEMA) stated that Karen caused $24 million TTD ($3.53 million USD) in damage in Tobago.[27] TEMA also stated that it had received 88 reports of incidents related to Tropical Storm Karen.[28]

U.S. Caribbean territories

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Radar loop of Tropical Storm Karen moving over the islands of Vieques and Culebra between September 24–25

On September 22, Tropical Storm Watches were first issued in Puerto Rico, including the Spanish Virgin Islands, and the US Virgin Islands.[29] These were upgraded into Tropical Storm Warnings by 9:00 UTC on September 23.[30] All were discontinued by 9:00 UTC on September 25.[31] A flash flood warning was issued for large portions of Puerto Rico by the National Weather Service (NWS).[32] Governor Wanda Vázquez declared a state of emergency for Puerto Rico on September 23.[33] Schools and government buildings were shut down with the threat of heavy rainfall and flooding.[34] Across the island, the government opened 67 shelters.[32] In the U.S. Virgin Islands, schools and government buildings were also closed. Ports were shut down while Seaborne Airlines and Sea Flight cancelled flights between St. Croix and St. Thomas. Also on St. Thomas, traffic was closed on part of Veterans Drive between September 24–25.[35] The Virgin Islands Waste Management Authority advised residents and solid waste haulers that Anguilla's landfill on St. Cross was closed due to deteriorating road conditions. The haulers were asked to hold the waste.[36] Search operations for a 48-year-old woman from Kentucky who went missing at the Virgin Islands National Park had to be briefly suspended due to the storm.[37]

Karen dropped a peak precipitation amount of 5 inches (130 mm) in Coamo, where a bridge was swept away, isolating 15 families.[38][39] Numerous roads across the island were flooded and became impassible due to mudslides and runoff.[40] River floods were reported in Utuado, Jayuya and Yabucoa municipalities with a mudslide also occurring in Jayuya municipality.[41] The Culebrinas River overtopped its banks, causing flooding in Aguadilla.[42] Roughly 29,000 customers lost electricity in Puerto Rico.[43] A mudslide blocked part of Puerto Rico Highway 14 in Aibonito.[44] In Toa Baja, two people were trapped in a house by flooding.[45] Another home was inundated by floodwaters in the municipality.[46] Flooding trapped one person in their vehicle in Dorado.[47] In the territory, a total of 217 people were displaced by the storm.[42] The director of Puerto Rico's Disaster Management Agency, Carlos Acevedo, stated that Karen caused no major damage in Puerto Rico.[48] In the U.S. Virgin Islands, the storm caused flash flooding, mudslides, and some power outages.[49] Karen set a daily rainfall record at the Cyril E. King Airport in St. Thomas on September 24, with 1.23 in (31 mm) of precipitation being recorded. This broke the former record of 1.02 in (26 mm) from 1990.[50] Foam blocks from a refinery washed onto beaches in southern St. Croix for months after the storm.[51] On September 25, volunteers of the Red Cross assessed damage in six Puerto Rican municipalities.[52] Power restoration in the U.S. Virgin Islands were completed by September 28.[53]

Elsewhere

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When Karen formed on September 22, Tropical Storm Warnings were issued for Grenada and Saint Vincent and the Grenadines.[15][54] These warnings were cancelled by September 23.[55] Karen caused tropical storm conditions in Grenada, where Flood and Landslide warnings were issued.[56] In nearby Saint Vincent and the Grenadines, a Flood Watch was issued for the country with the threat of heavy rainfall.[57] A government shutdown occurred due to the storm on September 22.[58] The Kingstown port briefly ceased operations that same day.[59] Gusty winds, rough surf, and downed trees were reported on Union Island.[60] Rough seas caused rocks to be pushed up onto a bar at the Liming in Bequia.[59] In Venezuela, heavy rainfall affected Caracas and Güiria. In the latter, some areas lost power and several homes were flooded.[61] On September 23, a Tropical Storm Warning was issued for the British Virgin Islands, which was later cancelled on September 25.[62][31] In preparation for the storm, both public and private schools were forced to close. Many stores also closed along with banks, some clinics, ports, and airports. Strong winds and heavy rainfall were reported in portions of the islands. Falling trees snapped power lines, causing power outages. However, the Department of Disaster Management recorded no major damage.[63]

See also

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References

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  1. ^ a b c d e f g h i John Cangialosi, Nelsie Ramos (December 16, 2019). "Tropical Cyclone Report - Tropical Storm Karen" (PDF). Miami, Florida: National Hurricane Center. Retrieved December 25, 2020.
  2. ^ Eric Blake (September 18, 2019). "Five-Day Graphical Tropical Weather Outlook". Miami, Florida: National Hurricane Center. Retrieved December 25, 2020.
  3. ^ David Zelinsky (September 20, 2019). "Five-Day Graphical Tropical Weather Outlook". Miami, Florida: National Hurricane Center. Retrieved December 25, 2020.
  4. ^ Stacy Stewart (September 22, 2019). "Tropical Storm Karen Advisory Number 1". Miami, Florida: National Hurricane Center. Retrieved December 25, 2020.
  5. ^ "Tropical Storm Karen Intermediate Advisory Number 1A". Miami, Florida: National Hurricane Center. September 22, 2019. Retrieved December 25, 2020.
  6. ^ John Cangialosi (September 24, 2019). "Tropical Depression Karen Discussion Number 8". National Hurricane Center. Retrieved December 25, 2020.
  7. ^ Stacy R. Stewart (September 24, 2019). "Tropical Storm Karen Advisory Number 9". Miami, Florida: National Hurricane Center. Retrieved December 25, 2020.
  8. ^ Jack Beven (September 24, 2019). "Tropical Storm Karen Intermediate Advisory 10A". Miami, Florida: National Hurricane Center. Retrieved December 25, 2020.
  9. ^ Lixion Avila (September 25, 2019). "Tropical Storm Karen Intermediate Advisory Number 11A". Miami, Florida: National Hurricane Center. Retrieved December 30, 2020.
  10. ^ John Cangialosi (September 26, 2019). "Tropical Storm Karen Advisory Number 17". National Hurricane Center. Retrieved December 26, 2020.
  11. ^ Robbie Berg (September 26, 2019). "Tropical Storm Karen Discussion Number 19". Miami, Florida: National Hurricane Center. Retrieved December 26, 2020.
  12. ^ Lixion Avila (September 27, 2020). "Tropical Storm Karen Advisory Number 20". Miami, Florida: National Hurricane Center. Retrieved December 26, 2020.
  13. ^ David Zelinsky (September 27, 2019). "Tropical Storm Karen Discussion Number 21". Miami, Florida: National Hurricane Center. Retrieved December 26, 2020.
  14. ^ Robbie Berg (September 27, 2019). "Remnants of Karen Advisory Number 23". Miami, Florida: National Hurricane Center. Retrieved December 26, 2020.
  15. ^ a b Stacy R. Stewart (September 22, 2019). "Tropical Storm Karen Forecast Advisory Number 1". Miami, Florida: National Hurricane Center. Retrieved December 25, 2020.
  16. ^ Daniel Brown (September 22, 2019). "Tropical Storm Karen Intermediate Advisory Number 2A". Miami, Florida: National Hurricane Center. Retrieved December 25, 2020.
  17. ^ Camille Moreno (September 22, 2019). "TT under warning for Tropical Storm Karen". Trinidad and Tobago Newsday. Retrieved December 25, 2020.
  18. ^ "'Karen' postpones final Ascension fixtures with 'Army', Deportivo, Giants and UTT chasing glory". Wired 868. September 22, 2019. Retrieved December 27, 2020.
  19. ^ "Status Update on National Emergency Health Services Re: – Passage Tropical Storm Karen" (PDF). Trinidad and Tobago Ministry of Health. September 22, 2019. Retrieved December 25, 2020.[permanent dead link‍]
  20. ^ Ron Brackett (September 23, 2019). "Tropical Storm Karen Floods Streets, Traps People in Homes in Tobago". The Weather Channel. Retrieved December 25, 2020.
  21. ^ Kinnesha George (October 2, 2019). "Karen leaves man homeless". Trinidad and Tobago Newsday. Retrieved December 28, 2020.
  22. ^ Janelle De Souza (September 26, 2019). "Ministry urges farmers to make claims for TS Karen loss". Trinidad and Tobago Newsday. Retrieved December 28, 2020.
  23. ^ Carol Matroo (September 23, 2019). "Karen spares East Trinidad". Trinidad and Tobago Newsday. Retrieved December 27, 2020.
  24. ^ Julien Neaves (November 29, 2019). "Tobago, Bamboo worst hit by Tropical Storm Karen". Trinidad and Tobago Newsday. Retrieved December 28, 2020.
  25. ^ Corey Connelly (September 25, 2019). "Karen leaves 'Bago in a mess". Trinidad and Tobago Newsday. Retrieved December 27, 2020.
  26. ^ Kinnesha George (September 25, 2019). "Tobago fishermen reeling from Karen's fury". Trinidad and Tobago Newsday. Retrieved December 28, 2020.
  27. ^ Stephon Nicolas (October 22, 2019). "Karen leaves $24m damage". Trinidad and Tobago Newsday. Retrieved December 25, 2020.
  28. ^ "Trinidad and Tobago – Tropical Storm Karen Causes Severe Flooding". FloodList. September 23, 2019. Retrieved December 29, 2020.
  29. ^ Daniel Brown (September 22, 2019). "Tropical Storm Karen Advisory Number 2". Miami, Florida: National Hurricane Center. Retrieved December 25, 2020.
  30. ^ Stacy R. Stewart (September 23, 2019). "Tropical Storm Karen Forecast Advisory Number 5". Miami, Florida: National Hurricane Center. Retrieved December 25, 2020.
  31. ^ a b Stacy R. Stewart (September 25, 2019). "Tropical Storm Karen Forecast Advisory Number 13". Miami, Florida: National Hurricane Center. Retrieved December 25, 2020.
  32. ^ a b Barbara Campbell, Paolo Zialcita (September 24, 2019). "Tropical Storm Karen's Squalls Hit Puerto Rico, Virgin Islands". NPR. Retrieved December 25, 2020.
  33. ^ Doyle Rice, John Bacon (September 23, 2019). "Tropical Storm Karen heads for Puerto Rico, could impact U.S. mainland next week". USA Today. Retrieved December 25, 2020.
  34. ^ "Puerto Rico to close schools as Tropical Storm Karen threatens flooding". CNBC. Associated Press. September 23, 2019. Retrieved December 25, 2020.
  35. ^ Carlson, Suzanne (September 26, 2019). "Waves crashing over Veterans Drive were not unexpected". Virgin Islands Daily News. Retrieved December 28, 2020.
  36. ^ "Anguilla landfill closed due to storm damage". Virgin Islands Daily News. September 26, 2019. Retrieved December 28, 2020.
  37. ^ Suzanne Carlson (September 25, 2019). "Tropical Storm Karen puts V.I. on hold". The Virgin Islands Daily News. Retrieved December 25, 2020.
  38. ^ Faith Karimi, Steve Almasy (September 25, 2020). "Tropical Storm Karen speeds up after soaking Puerto Rico and the Virgin Islands". CNN. Retrieved December 26, 2020.
  39. ^ Alex Sosnowski (September 24, 2019). "Karen unleashes heavy rain on Puerto Rico as it moves into the open Atlantic". AccuWeather. Retrieved December 28, 2020.
  40. ^ "Tropical Storm Karen - September 24-25, 2019". National Weather Service - San Juan, PR. Retrieved December 26, 2020.
  41. ^ EFE (September 24, 2020). "La tormenta tropical Karen se mueve sobre el este de Puerto Rico" (in Spanish). Listin Diario. Retrieved December 27, 2020.
  42. ^ a b ECHO (September 26, 2019). "Puerto Rico - Tropical Cyclone KAREN update (GDACS, NOAA, SNM, media) (ECHO Daily Flash of 26 September 2019)". ReliefWeb. Retrieved December 28, 2020.
  43. ^ Ron Brackett; Jan Wesner Childs (September 25, 2019). "Tropical Storm Karen Causes Landslides, Power Outages in Puerto Rico, U.S. Virgin Islands". The Weather Channel. Retrieved February 29, 2020.
  44. ^ "Storm Events Database Event: Debris Flow in Aibonito, Puerto Rico". National Centers for Environmental Information. Retrieved December 29, 2020.
  45. ^ "Storm Events Database Event:Flash Flooding in Toa Baja, Puerto Rico (9/24/19)". National Centers for Environmental Information. Retrieved December 29, 2020.
  46. ^ "Storm Event Database Event: Flash Flood in Toa Baja, Puerto Rico". National Centers for Environmental Information. Retrieved December 29, 2020.
  47. ^ "Storm Events Database Event: Flash Flood in Dorado, Puerto Rico". National Centers for Environmental Information. Retrieved December 29, 2020.
  48. ^ Associated Press, CBS News (September 25, 2019). "Worst appears over for Puerto Rico as Tropical Storm Karen heads north". CBS News. Retrieved December 29, 2020.
  49. ^ "Tropical Storm Karen exits Caribbean after causing flooding, power outages". NBC News. Associated Press. September 25, 2019. Retrieved December 29, 2020.
  50. ^ Suzanne Carlson (September 26, 2020). "Unexpectedly modest Karen still sets rainfall record on St. Thomas". Virgin Islands Daily News. Retrieved December 27, 2020.
  51. ^ "Refinery's Foam Plastic Litters South Shore Months After September Storm". St. Croix Source. November 18, 2019. Retrieved December 28, 2020.
  52. ^ "La Cruz Roja evalúa ofrecer asistencia por posibles daños causados por Karen" (in Spanish). El Nuevo Dia. September 25, 2019. Retrieved December 27, 2020.
  53. ^ "WAPA Completes Post TS Karen Restoration Work Territory-wide". St. John Tradewinds. September 28, 2019. Retrieved December 28, 2020.
  54. ^ Stacy R. Stewart (September 22, 2019). "Tropical Storm Karen Tropical Cyclone Update". Miami, Florida: National Hurricane Center. Retrieved December 25, 2020.
  55. ^ Jack Beven (September 23, 2019). "Tropical Storm Karen Forecast Advisory Number 4". National Hurricane Center. Retrieved December 25, 2020.
  56. ^ "Update: Tropical Storm Karen". NOW Grenada. September 22, 2019. Retrieved December 26, 2020.
  57. ^ "Tropical Storm Warning For SVG Discontinued, Flood Watch Still In Effect". 784 News. September 22, 2019. Retrieved December 27, 2020.[permanent dead link‍]
  58. ^ "Tropical Storm Warning in Effect for SVG, National Shut Down Declared". Searchlight. September 22, 2019. Retrieved December 27, 2020.
  59. ^ a b "Tropical Storm Karen leaves mark on svg". Searchlight. September 27, 2019. Retrieved December 27, 2020.
  60. ^ "Union Island begins to feel the effects of Storm Karen". 784 News. September 22, 2020. Retrieved December 27, 2020.
  61. ^ "Tormenta Tropical Karen provocó inundaciones en Caracas y La Guaira". Descifrado (in Spanish). September 22, 2019. Retrieved December 27, 2020.
  62. ^ Daniel Brown (September 23, 2019). "TROPICAL STORM KAREN FORECAST/ADVISORY NUMBER 6". Miami, Florida: National Hurricane Center. Retrieved December 27, 2020.
  63. ^ Joey Waldinger (September 26, 2019). "With wind and showers, Karen passes VI". The BVI Beacon. Retrieved December 27, 2020.

Public Domain This article incorporates public domain material from websites or documents of the National Weather Service.

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