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Amitie 10g/Abandonados/Huracán Ginger

Hurricane Ginger was the second-longest lasting Atlantic hurricane on record. The eighth tropical cyclone and fifth hurricane of the 1971 Atlantic hurricane season, Ginger spent 27.25 days as a tropical cyclone, lasting from September 6 to October 3. The storm formed northeast of the Bahamas, and for the first nine days of its duration tracked generally eastward or northeastward while gradually strengthening to peak winds of 110 mph (175 km/h). On September 14, Ginger slowed and turned to a general westward track, passing near Bermuda on September 23. There, the hurricane produced gusty winds and high waves, but no damage.

While over the western Atlantic Ocean, Ginger became the last target of Project Stormfury, which sought to weaken hurricanes by depositing silver iodide into tropical cyclone rainbands. Ginger ultimately struck North Carolina on September 30 as a minimal hurricane, lashing the coastline with gusty winds that caused power outages across the region. Heavy rainfall flooded towns and left severe crop damage, with 3 million bushels of corn and 1 million bushels of soybean lost. Damage in the state was estimated at $10 million (1971 USD, $66.9 millones 2024 USD). Further north, moderate precipitation and winds spread through the Mid-Atlantic states, although no significant damage was reported outside of North Carolina.

Meteorological history[editar]

Path of Hurricane Ginger, beginning near the Bahamas, extending out to the middle Atlantic Ocean, and curving back to hit the United States

Hurricane Ginger originated in a cold-core upper-level low that persisted for several days in early September in the western Atlantic Ocean.[1]​ The upper-level low was located within a large, persistent area of convection from the Gulf of Mexico through the central Atlantic, which resembled the Intertropical Convergence Zone but at a higher latitude. The convective feature was influenced by an anticyclone located over northern South America, which was opposite of the typical flow for September. The anticyclone also led to the formation of Hurricane Fern, Tropical Storm Heidi, and two tropical depressions.[2]​ By September 5, the low had descended to the surface as its thermal structure warmed, and the next day it developed into a tropical depression about 235 mi (375 km) northeast of the Bahamas.[1]​

After forming, the depression moved slowly southeastward for about 24 hours before turning to the northeast, slowly organizing in the process. On September 10, the depression turned eastward, and later that day intensified into Tropical Storm Ginger, the seventh named storm of the year in the Atlantic, about 325 mi (525 km) south of Bermuda. The storm quickly intensified, and within 24 hours reached winds of 75 mph (120 km/h), making it a hurricane. It turned to the northeast, passing well to the east of Bermuda. Late on September 13, Ginger attained its minimum barometric pressure of 959 mbar (28.32 inHg), and early the next day reached peak maximum sustained winds of 110 mph (175 km/h). After reaching a position about halfway between Bermuda and the Azores, the hurricane's eastward movement halted due to a building ridge to its north and east. It turned sharply southward before turning and beginning a westerly drift, during which Ginger weakened to minimal hurricane status.[1]​

Hurricane Ginger southeast of the United States on September 27

For about six days, Ginger maintained minimal hurricane status. As it meandered over the central Atlantic Ocean, it maintained an unusually large eye, reaching 80 mi (130 km) in diameter.[3]​ On September 18, Ginger turned to the south and slowly executed a tight counterclockwise loop within three days. By September 21, the hurricane was tracking south of due west, and the next day suddenly intensified to winds of 90 mph (150 km/h). Its westward track briefly posed a threat to Bermuda, although Ginger passed 115 mi (185 km) south of the island on September 23 while slowly weakening. On September 24, Ginger decelerated before beginning a turn to the southwest. By September 26, Ginger briefly weakened to minimal hurricane strength, although re-intensification resumed as the track turned to the west and northwest.[1]​ Around that time, Ginger absorbed the smaller and weaker Tropical Storm Janice to its southeast.[4]​

For three days, beginning on September 26, the National Oceanic and Atmospheric Administration deployed planes into the hurricane as part of Project Stormfury, the fourth hurricane to be a part of the weather control experiment.[2]​ The plane dropped silver iodide into the center of the hurricane, although there was no effect due to Ginger's large eye and diffuse nature; this was the last seeding done by the project.[5]​ By September 28, Ginger was moving northwestward toward North Carolina and was steadily intensifying. At around 06:00 UTC the next day, the hurricane reached a secondary peak intensity of 105 mph (165 km/h), which it maintained for about 18 hours. Afterward, Ginger slowly weakened, and late on September 30 it made landfall near Morehead City, North Carolina, with winds of 75 mph (120 km/h). It quickly deteriorated over land, weakening first to a tropical storm and then to a tropical depression by late on October 1. Ginger turned to the north, entered southern Virginia, and later turned to the east. On October 3, it transitioned into an extratropical cyclone while crossing Hampton Roads into the Atlantic Ocean. The remnants of Ginger continued east-southeastward until being absorbed by a cold front on October 5.[3]​

Preparations[editar]

The threat of the hurricane in Bermuda prompted the British Royal Navy to evacuate a ship, and also resulted in two cruise ships leaving early.[6]​ The United States military also evacuated some planes and secured the units that remained. Officials closed all of the island's schools during Ginger's passage.[7]​

Before Ginger struck North Carolina, the American Red Cross set up 28 emergency shelters in six counties, where about 5,500 people stayed during the storm.[8]​[9]​ The National Hurricane Center issued a hurricane watch from Wilmington, North Carolina, to Virginia Beach, Virginia, with gale warnings extending northward to Rehoboth Beach, Delaware.[10]​ United States military officials evacuated planes and ships from the Norfolk, Virginia, region, in addition to flying planes down the coast to warn boaters of the approaching storm.[11]​ Ferry services around the Outer Banks were canceled during the storm's passage, while the Coast Guard ordered the evacuation of workers in three lighthouses.[12]​

Impact[editar]

Rainfall from Ginger

As the hurricane passed south of Bermuda on September 23, it produced heavy waves, as well as gale force winds for 17 hours. The Kindley Air Force Base reported peak gusts of 75 mph (120 km/h).[3]​[6]​ There was no reported damage, and the hurricane's passage failed to alleviate persistent drought conditions.[13]​

While Ginger was still in the vicinity of Bermuda, it produced high swells and riptides along the East Coast of the United States, prompting the issuing of small craft warnings from Florida to North Carolina.[14]​ Wave heights reached 8 pies (2,4 m) in Sebastian, Florida,[15]​ and one person was killed in St. Augustine from drowning. There were also initial reports of two missing people in Neptune Beach, Florida,[16]​ but they were not listed as casualties in the year-end hurricane summary.[2]​

As it moved ashore in North Carolina, Ginger produced a storm tide of around 6 pies (1,8 m) along the Outer Banks and up to 7 pies (2,1 m) in Pamlico Sound.[3]​ The storm dropped heavy rainfall peaking at 15,58 plg (395,7 mm) in Bodie Island along the Outer Banks, making Ginger among the wettest tropical cyclones in the state. Rainfall from the storm extended southwestward into South Carolina, where precipitation reached 4,98 plg (126,5 mm) in Cheraw.[17]​ In Atlantic Beach, North Carolina, wind gusts reached 92 mph (148,1 km/h), the highest associated with Ginger in the United States.[2]​ The hurricane had a large wind field upon moving ashore, affecting a large portion of North Carolina; one county official considered Ginger the largest storm in the region since 1936.[18]​

Aerial view of a beach in North Carolina after Ginger

Strong winds from Ginger damaged store fronts and windows,[18]​ and also downed power lines and trees. Morehead City, where the hurricane moved ashore, lost power and had debris strewn across the streets. The nearby cities of New Bern, Beaufort, and Atlantic Beach also lost power,[10]​ and one company had 6,000 customers without power.[8]​ Heavy rainfall caused the Neuse and Trent rivers to exceed their banks, resulting in flooding.[18]​ Several oil tanks along the rivers broke open, creating dangerous boating conditions.[8]​ Up to 4 pies (1,2 m) of water from the Pungo River flooded most of the city of Belhaven, and similar flooding occurred in Washington, entering dozens of buildings and houses.[19]​ Across the region, the combination of high winds, tides, and flooding closed several bridges and roads, including a portion of U.S. Highway 70. The winds also destroyed several mobile homes,[16]​ although coastal damage was less than expected.[8]​ During Ginger's passage, the Salvation Army and Red Cross provided more than 3,000 people with food assistance.[20]​

Further inland, the combination of strong winds and rains left heavy crop damage,[21]​ destroying 3 million bushels of corn and another million bushels of soybeans; losses to the corn crop were mitigated due to about half of the crop having been harvested before the storm's arrival. Heavy damage was also reported to the peanut crop as well as to various fruits and vegetables.[22]​ In some locations, up to 15% of the cotton crop was lost, particularly in the northeastern portion of the state.[23]​ In 45 counties in the eastern portion of the state, farmers affected by the hurricane were eligible for loans from the Farmers Home Administration, following federal approval from President Richard Nixon.[24]​ Governor Robert W. Scott requested federal disaster aid for 24 counties,[25]​ which was denied.[26]​ Damage in North Carolina was estimated at $10 million (1971 USD, $66.9 millones 2024 USD),[3]​ of which about $1 million (1971 USD, $6.69 millones 2024 USD) was from coastal flooding. One death occurred in Washington when a vehicle accident was possibly caused by a wind gust;[9]​ however, it was not conclusively linked to Ginger.[2]​

As the storm crossed into Virginia, it continued to produce heavy rainfall, including a total of 7,61 plg (193,3 mm) in Norfolk. Near the border between Virginia and North Carolina, the storm produced tides of up to 4 pies (1,2 m) above normal.[2]​ Gusty winds of over 50 mph (80,5 km/h) downed a few trees, causing scattered power outages. Above-normal tides and waves caused moderate to heavy beach erosion in Virginia Beach.[27]​ Further north, Ginger produced above-normal tides, light winds, and scattered rainfall along the Delmarva Peninsula and northward through New York.[2]​[28]​

Record longevity[editar]

Hurricane Ginger formed on September 6 and lasted until October 3, for a total of 27.25 days.{{Atlantic hurricane best track}} Its duration surpassed that of Hurricane Inga in 1969, which was the previous record-holder, by three days.[1]​ In 2003, it was discovered that the 1899 San Ciriaco hurricane lasted as a tropical cyclone longer than Ginger, although its duration as a tropical cyclone was not continuous. This made Ginger the second longest-lived of any Atlantic hurricane, but it remains the storm that lasted the most consecutive days as a tropical cyclone in the basin.

Ginger spent 20 days as a hurricane from September 11 to September 30, one of the longest durations on record at that intensity. In addition, Ginger co-existed with several other tropical cyclones, including on September 11 when there were four named storms at the same time, a rare occurrence; the others were Hurricane Edith, Hurricane Fern, and Tropical Storm Heidi.

See also[editar]

References[editar]

  1. ↑ a b c d e «Hurricane Ginger September 5 - October 5» (GIF). National Hurricane Center. 1971. Consultado el 13 de febrero de 2011. 
  2. ↑ a b c d e f g R. H. Simpson; John R. Hope (April de 1972). «Atlantic Hurricane Season of 1971» (PDF). Monthly Weather Review (National Oceanic and Atmospheric Administration) 100 (4): 256-267. Bibcode:1972MWRv..100..256S. doi:10.1175/1520-0493(1972)100<0256:AHSO>2.3.CO;2. 
  3. ↑ a b c d e «Hurricane Ginger September 5 - October 5 (Page 2)» (GIF). National Hurricane Center. 1971. Consultado el 14 de febrero de 2011. 
  4. ↑ «Preliminary - Tropical Storm Janice, September 21–24, 1971». National Hurricane Center. 1971. Consultado el 17 de febrero de 2011. 
  5. ↑ H. E. Willoughby, et al. (May de 1985). «Project STORMFURY: A Scientific Chronicle 1962-1983» (PDF). American Meteorological Society 66 (5): 507.  Parámetro desconocido |fechaaceso= ignorado (se sugiere |fechaacceso=) (ayuda)
  6. ↑ a b Staff Writer (23 de septiembre de 1971). «Ginger Hits Bermuda». The Deseret News. United Press International. Consultado el 17 de febrero de 2011. 
  7. ↑ Staff Writer (23 de septiembre de 1971). «Bermuda Battens Down». The Phoenix Sun. Reuters. Consultado el 17 de febrero de 2011. 
  8. ↑ a b c d Staff Writer (1 de octubre de 1971). «Ginger Rakes North Carolina». The Palm Beach Post. Associated Press. Consultado el 18 de febrero de 2011. 
  9. ↑ a b Staff Writer (1 de octubre de 1971). «Ginger Loses Some Snap». The Evening Independent. Associated Press. Consultado el 18 de febrero de 2011. 
  10. ↑ a b Staff Writer (30 de septiembre de 1971). «'Ginger' Slams Carolina with 90 MPH Blasts». The Hour. United Press International. Consultado el 17 de febrero de 2011. 
  11. ↑ Staff Writer (30 de septiembre de 1971). «90-MPH Hurricane Hits North Carolina, Causes Floods, Power Outages». Toledo Blade. Associated Press. Consultado el 17 de febrero de 2011. 
  12. ↑ Staff Writer (30 de septiembre de 1971). «Hurricane Ginger Aims Winds at N.C. Coast». The Lewiston Daily Sun. Associated Press. Consultado el 18 de febrero de 2011. 
  13. ↑ Staff Writer (24 de septiembre de 1971). «Ginger Down to a Purr». The Sun. Associated Press. Consultado el 17 de febrero de 2011. 
  14. ↑ Staff Writer (24 de septiembre de 1971). «Ginger spawns rip tides and severe inlet conditions». Boca Raton News. Consultado el 17 de febrero de 2011. 
  15. ↑ Staff Writer (25 de septiembre de 1971). «'Ginger' is stalled in mid-Atlantic». The Times-News. United Press International. Consultado el 17 de febrero de 2011. 
  16. ↑ a b Staff Writer (30 de septiembre de 1971). «Hurricane Hits Carolina Coast». Spokane Daily Chronicle. Associated Press. Consultado el 17 de febrero de 2011. 
  17. ↑ David M. Roth (14 de febrero de 2011). «Tropical Cyclone Rainfall for the Southeast». Hydrometeorological Prediction Center. Consultado el 14 de febrero de 2011. 
  18. ↑ a b c Melvin Lang (30 de septiembre de 1971). «Ginger largest storm since '36». The Free Lance-Star. Associated Press. Consultado el 17 de febrero de 2011. 
  19. ↑ Staff Writer (2 de octubre de 1971). «N.C. flooded by Ginger». Pittsburgh Press. Associated Press. Consultado el 18 de febrero de 2011. 
  20. ↑ Staff Writer (8 de octubre de 1971). «3,000 coastal residents given food during storm». Star-News. Consultado el 18 de febrero de 2011. 
  21. ↑ Staff Writer (1 de octubre de 1971). «Ginger dampens N.C.». Boca Raton News. Consultado el 18 de febrero de 2011. 
  22. ↑ Robert Gordon (13 de octubre de 1971). «Farmers Hit in the Pocketbook». The Times-News. United Press International. Consultado el 18 de febrero de 2011. 
  23. ↑ Staff Writer (12 de octubre de 1971). «Ginger Stopped Cotton Harvest». The Robesonian. Consultado el 18 de febrero de 2011. 
  24. ↑ Staff Writer (29 de octubre de 1971). «Robeson Among Counties To Get Storm Fund Aid». The Robesonian. Associated Press. Consultado el 18 de febrero de 2011. 
  25. ↑ Staff Writer (9 de noviembre de 1971). «Scott Action on Hurricane Assistance Defended». Herald-Journal. Associated Press. Consultado el 18 de febrero de 2011. 
  26. ↑ «1971 Federal Disaster Declarations». Federal Emergency Management Agency. 23 de mayo de 2005. Consultado el 18 de febrero de 2011. 
  27. ↑ David M. Roth (2007). «Virginia Hurricane History: Late Twentieth Century». Hydrometeorological Prediction Center. Consultado el 14 de enero de 2009. 
  28. ↑ David M. Roth (14 de febrero de 2011). «Tropical Cyclone Rainfall for the Mid-Atlantic». Hydrometeorological Prediction Center. Consultado el 14 de febrero de 2011. 

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