Hurricane Nicholas

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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
Disc Plain black.svg Tropical cyclone
Solid black.svg Subtropical cyclone
ArrowUp.svg Extratropical cyclone, remnant low, tropical disturbance, or monsoon depression

On August 28, a tropical wave moved off the west coast of Africa. [1] It moved steadily westward over the next week, producing only disorganized convection before moving into and through the Caribbean Sea. At 06:00 UTC on September 9, the National Hurricane Center (NHC) began to monitor the northern portion the tropical wave over the western Caribbean Sea for potential development as it moved across northern Central America and the Yucatán Peninsula toward the Bay of Campeche. [2] By the next day, the wave began to interact with a surface trough over the southern Gulf of Mexico, producing widespread but disorganized showers and thunderstorms across the region. [3] Showers and thunderstorms associated with this system increased and become better organized on September 12, and its top sustained winds reached 40 mph (65 km/h) (tropical storm-force), as confirmed by an Air Force hurricane-hunter flight that morning. [4] As a result, advisories were initiated at 15:00 UTC on Tropical Storm Nicholas. [5]

The tropical wave that would become Nicholas shortly before forming on September 12. 2021 CIMSS 14L Fourteen visible infrared satellite loop.gif
The tropical wave that would become Nicholas shortly before forming on September 12.

After forming, the storm was found to be not very organized, as it lacked convective banding features. The center was also not well defined. [6] After satellite imagery from radar and aircraft, it was found that the center had re-formed 150 nautical miles more north than expected and the storm had gained speed. [7] The storm entered the southern part of a large area of deep convection, as signs of an eyewall structure forming were beginning to become prominent. [8] The eyewall structure then dissipated and a new center began forming north-northeast of the previous. [9] The storm then underwent a period of rapid intensification, the fifth hurricane of the season to do so, after intensifying by 35 mph (55 km/h) in a 24-hour period. [10] Consequently, at 03:00 UTC on September 14, the system was upgraded to a Category 1 hurricane. [11] Shortly thereafter, at 05:30 UTC, Nicholas made landfall about 10 mi (16 km) west-southwest of Sargent Beach, Texas, with maximum sustained winds of 75 mph (121 km/h). [10] [12] It then quickly weakened inland to tropical storm strength, as it moved to near Galveston Bay. [13] Nicholas was downgraded to tropical depression status at 00:00 UTC on September 15, [14] as it moved slowly into southern Louisiana, where residents were still recovering in the aftermath of Hurricane Ida. [15] At the time, the system consisted of a large swirl of low- to mid-level clouds and showers, with a few patches of deep convection well removed from the center, according to the NHC. [16] Early the following day, while situated near Marsh Island, along the Louisiana coast, Nicholas became post-tropical. [17] [18] Nicholas's remnant low later moved further inland, stalling over northern Louisiana, [19] [20] [21] before its low-level circulation center became ill-defined on September 18. [1] The storm's remnants persisted for another few days, before they were absorbed into an extratropical storm to the north on September 20. [1] The system's residual tropical moisture lingered over parts of the southeastern U.S. for several days. [22] [23] [24]

Preparations

Nicholas nearing the coast of Texas on September 13. Nicholas 2021-09-13 1945Z.jpg
Nicholas nearing the coast of Texas on September 13.

When Tropical Storm Nicholas formed, tropical storm warnings were issued along the coast from Barra El Mezquital and north to Port Aransas, Texas. Additionally, tropical storm watches were called from Port Aransas to High Island, Texas. As Nicholas neared landfall, tropical storm alerts were issued for the entire Texas coast. The first hurricane warning was issued from Port O'Connor to Freeport, Texas at 03:00 UTC, when the storm was upgraded to a Category 1 hurricane. [11] Flood watches were also issued in southern and central Louisiana when Nicholas slowed its forward speed to 5 miles per hour (8.0 km/h). [25] In addition to flood watches, the Weather Prediction Center issued a rare 50 percent high-risk flooding area for southwestern Louisiana. [26]

Rainfall estimate totals were 8 to 16 inches (200 to 410 mm), with some locations potentially receiving 15 inches (380 mm). Coastal Louisiana, which was battered by Hurricane Ida just weeks earlier, was estimated to receive 5 to 10 inches (130 to 250 mm). Lake Houston was lowered by one foot (30 cm). [27] Schools in southern Texas and Louisiana were suspended on September 13. [28] [29] [30] At least 330 flights originating from William P. Hobby Airport and George Bush Intercontinental Airport were cancelled. [31] In Harris County, COVID-19 testing sites were closed. [32] Late on September 13, ferry service between Galveston and the Bolivar Peninsula were suspended. Service resumed the next day. [33]

Governor of Louisiana, John Bel Edwards, declared a state of emergency and noted that areas affected by Hurricane Ida would possibly feel the effects of the tropical storm. [34] Edwards also requested a federal disaster declaration, which was approved by President Joe Biden on September 14. [32] [35] The Governor of Texas, Greg Abbott, issued a disaster declaration for 17 counties in southeastern Texas and ordered the State Operations Center to increase its readiness level. [36] The Louisiana National Guard deployed 80 high water vehicles, 23 boats and 15 aircraft across southern Louisiana. [31] On September 13, before the storm hit, singer-songwriter Harry Styles postponed his performance in Houston. [37] Dozens of barriers were constructed in Houston and readied high-water rescue vehicles. [38] The American Red Cross in the Texas Gulf Coast area prepared as Nicholas moved closer to landfall. [39]

Impact and aftermath

Losses in the United States ranged from $1.1 to $2.2 billion, according to an estimate by Risk Management (RMS). RMS estimated losses to the National Flood Insurance Program to be between $200 million and $500 million. Karen Clark & Co. estimated damage around $950 million. [40]

Texas

Coastal flooding in from Dickinson Bayou in Texas City, Texas after Nicholas Hurricane Nicholas coastal flooding.jpg
Coastal flooding in from Dickinson Bayou in Texas City, Texas after Nicholas

The storm left at least 503,000 without power in Texas, mostly in the Houston area. [31] [32] An estimated 33 percent of Galveston County residents were without power. Portions of the Strand Historic District in Galveston were left underwater. [33] The Colonial Pipeline shut down two pipelines from Houston to North Carolina due to power outages. This shutdown occurred just two weeks after the same pipelines were shut down due to Hurricane Ida. [41] In Seabrook, officials estimated that 30 homes sustained wind or flood damage. The Pine Gully fishing pier in the Pine Gully Park was destroyed by storm surge. City officials promised to work with the Federal Emergency Management Agency to rebuild the pier. [42]

Deer Park, Texas recorded 9.83 inches (250 mm) of rain, while Beaumont, Texas recorded around 7 inches (180 mm), and Houston saw over 6 inches (150 mm). [43] [44] [45] Storm surge in Port O'Connor was reported to be near 4 feet. [32] A gas station had its roof blown off in Matagorda. [32] Several roadways were closed due to flooding and debris, including a section of I-10 and Texas State Highway 225. [46] Several highways in and near Clear Lake, League City, and Friendswood were inundated, including several lanes of Interstate 45. [47] No injuries or deaths were reported due to the storm in Texas. [33] In Pearland, 21 percent of the city was without power. [48] Flash flood warnings were issued in Pasadena, League City, and Baytown. [39]

Louisiana

The storm left at least 120,000 without power in Louisiana. [12] Around 87,000 residents were still without power from Hurricane Ida when Nicholas made landfall. [32] In the early morning hours of September 14, heavy rains had reached New Orleans and flood warnings were issued in the New Orleans area. [49]

Elsewhere

The remnants of Nicholas contributed to two reported direct deaths that occurred in Alabama due to freshwater flooding. One was when a 40-year-old man was swept away in floodwaters in Tuscaloosa, and the other in Hazel Green when a 35-year-old man was pulled into a drainage pipe. [1]

In Florida, two indirect deaths occurred due to rip currents from the storm's remnants in Panama City Beach where two males were swept out to sea. Additionally, a 60-year-old man was hospitalized in critical condition on 17 September as a result of the rip currents. [1]

See also

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<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">Hurricane Grace</span> Category 3 Atlantic hurricane in 2021

Hurricane Grace was the strongest tropical cyclone to make landfall in the Mexican state of Veracruz. Grace impacted much of the Leeward Islands and Greater Antilles as a tropical storm, before causing more substantial impacts in the Yucatán Peninsula and Veracruz as a hurricane. It was the seventh named storm, second hurricane, and first major hurricane of the 2021 Atlantic hurricane season. Originating from a tropical wave in the Main Development Region, the primitive system tracked west-northwest across the Atlantic Ocean towards the Antilles, becoming a tropical depression on August 14. It strengthened into Tropical Storm Grace later the same day, but weakened back to a depression due to an unfavorable environment. After moving near Haiti as a tropical depression, it strengthened back to a tropical storm and became a hurricane on August 18, reaching an initial peak intensity with maximum sustained winds of 80 mph (130 km/h) and a pressure of 986 mbar (29.12 inHg). It weakened back to a tropical storm after its landfall in the Yucatán Peninsula and emerged into the Bay of Campeche, entering a very favorable environment for intensification hours later. Grace then rapidly intensified into a Category 3 hurricane with winds of 120 mph (190 km/h) in about 24 hours. The storm made its final landfall in the state of Veracruz at peak intensity and quickly degenerated into a remnant low over mainland Mexico on August 21; however, its remnants later regenerated into Tropical Storm Marty in the Eastern Pacific on August 23.

References

  1. 1 2 3 4 5 6 Latto, Andy S. (March 1, 2022). Tropical Cyclone Report: Hurricane Nicholas (PDF) (Report). Miami, Florida: National Hurricane Center. Retrieved March 1, 2022.
  2. ↑ Brown, Daniel (September 9, 2021). Five-Day Graphical Tropical Weather Outlook (Report). Miami, Florida: National Hurricane Center. Retrieved September 12, 2021.
  3. ↑ Papin, Philippe (September 10, 2021). Five-Day Graphical Tropical Weather Outlook (Report). Miami, Florida: National Hurricane Center. Retrieved September 12, 2021.
  4. ↑ Henson, Bob; Masters, Jeff (September 12, 2021). "Tropical Storm Nicholas to douse Texas coast with torrential rains". New Haven, Connecticut: Yale Climate Connections. Retrieved September 12, 2021.
  5. ↑ Brown, Daniel (September 12, 2021). Tropical Storm Nicholas Discussion Number 1 (Report). Miami, Florida: National Hurricane Center. Retrieved September 12, 2021.
  6. ↑ Brown, Daniel (September 12, 2021). Tropical Storm Nicholas Discussion Number 3 (Report). Miami, Florida: National Hurricane Center. Retrieved September 12, 2021.
  7. ↑ Brown, Daniel (September 12, 2021). Tropical Storm Nicholas Discussion Number 4 (Report). Miami, Florida: National Hurricane Center. Retrieved September 12, 2021.
  8. ↑ Brown, Daniel (September 13, 2021). Tropical Storm Nicholas Discussion Number 5 (Report). Miami, Florida: National Hurricane Center. Retrieved September 13, 2021.
  9. ↑ Brown, Daniel (September 13, 2021). Tropical Storm Nicholas Discussion Number 6 (Report). Miami, Florida: National Hurricane Center. Retrieved September 13, 2021.
  10. 1 2 Masters, Jeff; Henson, Bob (September 14, 2021). "Nicholas brings debris, storm surge to Texas as Cat 1 hurricane". New Haven, Connecticut: Yale Climate Connections. Retrieved September 15, 2021.
  11. 1 2 Pasch, Richard; Blake, Eric; Papin, Philippe (September 13, 2021). Hurricane Nicholas Advisory Number 8...Corrected (Report). Miami, Florida: National Hurricane Center. Retrieved September 13, 2021.
  12. 1 2 "Hurricane Nicholas Makes Landfall On The Texas Coast". NPR. AP. September 14, 2021. Retrieved September 15, 2021.
  13. ↑ Blake, Eric (September 14, 2021). Tropical Storm Nicholas Discussion Number 9 (Report). Miami, Florida: National Hurricane Center. Retrieved September 14, 2021.
  14. ↑ Beven, Jack (September 14, 2021). Tropical Depression Nicholas Intermediate Advisory Number 11A (Report). Miami, Florida: National Hurricane Center. Retrieved September 16, 2021.
  15. ↑ "Nicholas Crawls Into Louisiana From Texas, Dumping Rain In Areas Struck By Ida". NPR. AP. September 15, 2021. Retrieved September 16, 2021.
  16. ↑ Beven, Jack (September 14, 2021). Tropical Depression Nicholas Discussion Number 12 (Report). Miami, Florida: National Hurricane Center. Retrieved September 16, 2021.
  17. ↑ Alex Lamers (September 16, 2021). Post-Tropical Cyclone Nicholas Advisory Number 17. www.nhc.noaa.gov (Report). College Park, Maryland: Weather Prediction Center. Retrieved September 22, 2021.
  18. ↑ "Nicholas Becomes Post-Tropical Near Marsh Island Along The Central Louisiana Coast". Orlando, Florida: WKMG-TV. September 16, 2021. Retrieved September 16, 2021.
  19. ↑ Greg Carbin (September 17, 2021). Post-Tropical Cyclone Nicholas Advisory Number 23. www.nhc.noaa.gov (Report). College Park, Maryland: Weather Prediction Center. Retrieved September 22, 2021.
  20. ↑ "WPC Surface Analysis valid for 09/18/2021 at 18 UTC". wpc.ncep.noaa.gov. Weather Prediction Center. September 18, 2021. Retrieved September 22, 2021.
  21. ↑ "WPC Surface Analysis valid for 09/18/2021 at 21 UTC". wpc.ncep.noaa.gov. Weather Prediction Center. September 18, 2021. Retrieved September 22, 2021.
  22. ↑ "Showers And Storms Will Continue Through Tuesday". Jackson, Tennessee: WBBJ-TV. September 18, 2021. Retrieved September 18, 2021.
  23. ↑ Morgan, Leigh (September 18, 2021). "Flooding rain possible for Alabama today". AL.com . Retrieved September 18, 2021.
  24. ↑ Cappucci, Matthew (September 22, 2021). "Forecasters eyeing new Atlantic tropical system set to be named 'Sam'". The Washington Post . Retrieved September 22, 2021.
  25. ↑ Bacon, John. "'Despondent': Battered Louisiana city gets more rain from Nicholas; 100,000 without power in Texas". USA TODAY. Retrieved 2023-03-01.
  26. ↑ Chappell, Bill (September 14, 2021). "Nicholas Puts More Than Half Of Louisiana On Flood Alert Despite Weakening". NPR.
  27. ↑ "Flash flood risk grows for coastal Texas and Louisiana as Tropical Storm Nicholas takes aim". CNN . September 13, 2021. Retrieved September 13, 2021.
  28. ↑ "LIST: CCISD and area school district closure status". September 12, 2021. Retrieved September 13, 2021.
  29. ↑ "Tropical Storm Nicholas 2021: Here's a list of school closures for South Texas". USA Today . September 12, 2021. Retrieved September 13, 2021.
  30. ↑ Seba, Erwin (2021-09-15). "Nicholas deluges U.S. Gulf Coast with heavy rain, flooding". Reuters. Retrieved 2023-03-01.
  31. 1 2 3 Holcombe, Madeline (September 14, 2021). "Nicholas threatens flooding in Texas and Louisiana after making landfall as a hurricane with 75-mph winds". CNN . Retrieved September 14, 2021.
  32. 1 2 3 4 5 6 Shapiro, Emily; Golembo, Max; Griffin, Melissa; Pereira, Ivan (September 14, 2021). "Tropical Storm Nicholas takes aim on hard-hit Louisiana: Latest path". ABC News. Retrieved September 14, 2021.
  33. 1 2 3 Ehling, Jeff (September 14, 2021). "Nicholas floods streets in historic Strand District in Galveston" . Retrieved September 14, 2021.
  34. ↑ "Louisiana declares state of emergency as Tropical Storm Nicholas targets battered region". USA Today . September 12, 2021. Retrieved September 13, 2021.
  35. ↑ "Biden approves Louisiana emergency declaration due to tropical storm Nicholas". Reuters. September 14, 2021. Retrieved September 14, 2021.
  36. ↑ Alexander, Chloe (September 13, 2021). "Gov. Abbott issues disaster declaration for 17 Texas counties ahead of Tropical Storm Nicholas" . Retrieved September 13, 2021.
  37. ↑ KTRK (2021-09-13). "Harry Styles concert at Toyota Center postponed due to Hurricane Nicholas". ABC13 Houston. Retrieved 2021-09-24.
  38. ↑ Bill, Chappell; Campbell, Barbara; Diaz, Jaclyn (September 14, 2021). "Hurricane Nicholas Makes Landfall In Texas. Residents Are Bracing For Possible Floods". NPR.
  39. 1 2 Panjwani, Lucio Vasquez, Paul DeBenedetto, Camilo Hannibal Smith, Sara Willa Ernst, Florian Martin, ShaVonne Herndon, Haya (2021-09-13). "Power Slowly Returns As Greater Houston Begins Nicholas Cleanup". Houston Public Media. Retrieved 2023-02-28.{{cite web}}: CS1 maint: multiple names: authors list (link)
  40. ↑ Evans, Steve (September 24, 2021). Hurricane Nicholas insured loss estimated up to $2.2bn by RMS. artemis.bm (Report). Retrieved September 26, 2021.
  41. ↑ Molinski, Dan (September 14, 2021). "Colonial Re-Shuts Fuel Pipelines, This Time Due to Hurricane Nicholas". Archived from the original on September 15, 2021. Retrieved September 14, 2021.
  42. ↑ Ferguson, Colleen (September 15, 2021). "Hurricane Nicholas destroys Seabrook's Pine Gully Fishing Pier". Community Impact. Retrieved September 23, 2021.
  43. ↑ Lozano, Juan (September 14, 2021). "Tropical Storm Nicholas slows, dumps rain along Gulf Coast" . Retrieved September 14, 2021.
  44. ↑ Fechter, Erin Douglas and Joshua (2021-09-14). "Texas sees limited damage in wake of Tropical Storm Nicholas as storm weakens and takes aim at Louisiana". The Texas Tribune. Retrieved 2023-03-01.
  45. ↑ Dick, Jacob (2021-09-14). "TS Nicholas pushes out of Southeast Texas". Beaumont Enterprise. Retrieved 2023-03-01.
  46. ↑ "LIST: High-water locations in Houston area due to Tropical Storm Nicholas". September 15, 2021. Retrieved September 15, 2021.
  47. ↑ Magee, Jake (September 14, 2021). "Tropical Storm Nicholas floods local roads". Community Impact. Retrieved September 23, 2021.
  48. ↑ Yanez, Andy; Magee, Jake (September 14, 2021). "Hurricane Nicholas destroys Seabrook's Pine Gully Fishing Pier". Community Impact. Retrieved September 23, 2021.
  49. ↑ Kollath Wells, Clarie (September 14, 2021). "Parking restrictions lifted in New Orleans as rain from Tropical Storm Nicholas reaches city". nola.com . Retrieved September 14, 2021.
Hurricane Nicholas
Nicholas 2021-09-14 0404Z.png
Hurricane Nicholas at peak intensity just before landfall in Texas early on September 14
Tropical cyclones of the 2021 Atlantic hurricane season
2021 Atlantic hurricane season summary.png
TS
Ana
TS
Bill
TS
Claudette
TS
Danny
1
Elsa
TS
Fred
3
Grace
1
Henri
4
Ida
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Kate
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Julian
3
Larry
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Mindy
1
Nicholas
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Odette
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Peter
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Rose
4
Sam
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Teresa
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Victor
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Wanda
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