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Hurricane Vince

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Revision as of 18:01, 5 August 2008 by Bender235 (talk | changes) (Typo fixing, typos fixed: symetry → symmetry, tranformation → transformation, were were → were using AWB)
Hurricane Vince
Category 1 hurricane (SSHWS/NWS)
Hurricane Vince on October 9 14:23 UTC
FormedOctober 8, 2005
DissipatedOctober 11, 2005
Highest winds1-minute sustained: 75 mph (120 km/h)
Lowest pressure988 mbar (hPa); 29.18 inHg
FatalitiesNone reported
Areas affectedMadeira Islands,
southern Portugal,
southwestern Spain
Part of the 2005 Atlantic hurricane season

Hurricane Vince was one of the most unusual hurricanes ever to develop in the Atlantic basin. Forming in October during the 2005 Atlantic hurricane season, the waters over which it formed were considered too cold for tropical development. Vince was the 20th named tropical cyclone and twelfth hurricane of the extremely active season.

Vince developed from a non-tropical system on October 8, becoming a subtropical storm southeast of the Azores. The National Hurricane Center (NHC) did not officially name the storm until the next day, shortly before Vince briefly became a hurricane. As a tropical depression on October 11, Vince made landfall on the Iberian Peninsula—the first tropical system to do so since 1842—and dissipated over Spain.

Storm history

Storm path

On October 5, an operationally unnamed subtropical storm which had gone unnoticed by the NHC was absorbed by a non-tropical frontal low, which was moving to the southeast over the Azores. It began to gain a more concentrated circulation and lose its frontal structure after absorbing the Subtropical Storm. The increasingly organized system became a subtropical storm itself early on October 8, 580 miles (930 km) southeast of Lajes in the Azores.[1] However, the NHC decided not to name the system Vince at the time, because the water temperature was too low for a tropical cyclone to normally develop. The storm gradually gained the tropical characteristics of symmetry and a warm inner core and became a tropical storm the next day. Its transformation to a tropical system occurred over water cooler than 24 °C (75 °F), much colder than the 26.5 °C (80 °F) usually required for tropical development.[1]

Soon after it had become a tropical storm on October 9 near Madeira, with a ragged eye already present,[2] the NHC officially named it Tropical Storm Vince and began to issue advisories.[3] At the time there was still some uncertainty as to whether Vince was tropical or subtropical but the forecasters of the NHC later conceded that Vince had formed as a subtropical storm and evolved into a tropical storm before it was named.[1] The storm's ragged eye quickly solidified and contracted into a "bona fide" eye with a diameter of 15 mi (25 km).[4] This increased in organization was accompanied by strengthening and Vince reached its peak strength as a hurricane with 75 mph (120 km/h) winds later that day. The NHC forecaster deciding that "if it looks like a hurricane, it probably is, despite its environment and unusual location".[4]

File:Vince Portugal Radar.jpg
Radar image of Vince

Hurricane Vince's impressive organization was very short lived as westerly wind shear began to erode the eye within hours.[5] In response, the storm began to weaken and became a tropical storm shortly thereafter.[6] A broad low-level trough approached the storm from the northwest,[5] pulling the convection northward as the storm's low level center accelerated eastward.[6][7] On October 10 two brief bursts of convection surprised forecasters, but with the sea surface temperature as low as 22 °C the flares were not sustained.[8][9] Vince continued to weaken as it approached the Iberian Peninsula and became a tropical depression on October 11 shortly before it made landfall near Huelva, Spain. The fast-moving tropical depression quickly dissipated over land.[1] Its remnants moved across southern Spain, dumping rain on the drought-ridden region, and moved into the Mediterranean Sea south of Alicante in the early hours of October 12.[2]

Preparations and impact

The Spanish Center for Emergency Coordination declared a rain pre-emergency for the province of Castellón in the anticipation that Hurricane Vince would bring rains capable of flooding and the Instituto Nacional de Meteorología (INM) issued a bulletin warning of a 40% chance of flood. Four autonomous regions (Asturias, Cataluña, Castile and León and Galicia) issued flood warnings, and Canarias issued a wind warning, all intending to protect life and property.[10] Spanish fishing fleets in the Atlantic Ocean off the Andalusian coast returned to port and weathered the storm on their moorings rather than in the open ocean.[11]

This reservoir in Cordoba, Spain was one of many that benefited from Hurricane Vince's unseasonable rainfall.

Spain, which had been battling fires after a record breaking summer drought, welcomed the rains brought by Hurricane Vince's remnants.[12] In two days the storm brought more rain to the province of Galicia than had fallen all summer, easing the sinking water levels in provincial reservoirs,[11] but also causing traffic jams and minor floods.[13] In Cordoba province the A-303, the A-306 and the OC-293 roads were partially flooded but "passable with caution". Municipal road works on la Ronda de Poniente, a major traffic artery connecting the city to nearby highways,[14] were flooded and partially destroyed.[15] The entrance of the University of Galicia was temporarily blocked by flood waters on October 11 and a nearby roundabout was totally submerged.[13] These damages ultimately proved to be minor, and no fatalities were reported. The highest winds reported on land were 48 mph (77 km/h) at Jerez, Spain, although some ships recorded stronger.[16] Vince was comparable to normal rain events from non-tropical systems, with only 1 to 2 inches (25 to 50 mm) of rain falling. Through a play on words of a song in My Fair Lady, National Hurricane Center forecaster James Franklin in the Tropical Cyclone Report for Vince wrote, "the rain in Spain was mainly less than 2 inches, although 3.30 inches (84 mm) fell in the plain at Cordoba."[1]

Records and naming

Hurricane Vince on October 9, 2005 northwest of the Madeira Islands. For comparison, the main island of the Madeiras (the largest island in the picture) is approximately 30 miles (57 km) long. (© 2005 EUMETSAT)

Although Hurricane Vince was a very small and short-lived storm, it is notable for developing in the northeastern Atlantic off the Moroccan coast, well away from where tropical cyclones are usually found. It is the farthest northeast a tropical cyclone had ever developed in the Atlantic (32.9°N 20.6°W); previously the record was held by Ivan of the 1980 season, at 35.6°N and 24.6°W. Vince is neither the most northerly-forming nor the most easterly-forming Atlantic tropical storm; these records are held by Alberto of the 1988 season at 41.5°N, and Ginger of the 1967 season at 18.1°W, respectively.

Hurricane Vince developed into a hurricane further east than any known storm at 18.9°W. Vince is the first tropical cyclone on record to have made landfall on the Iberian Peninsula, after coming ashore near Huelva, Spain.[1] Historical documents, however, suggest that a stronger tropical storm may have struck the Iberian Peninsula on October 29, 1842.[17]

When Subtropical Storm Vince formed on October 8, it was the earliest ever in the season that the twenty-first tropical or subtropical storm had developed, 38 days ahead of the previous record held by Tropical Storm 21 of the 1933 season. Hurricane Vince was also the first named "V" storm in the Atlantic since naming began in 1950. As the storm did not cause and significant damage the name Vince was not retired by the World Meteorological Organization[18] and will be on the list of names for the 2011 season.[19]

See also

Template:Tcportal

References

  1. ↑ 1.0 1.1 1.2 1.3 1.4 1.5 National Hurricane Center (2006-02-22). "Tropical Cyclone Report: Hurricane Vince" (PDF). NOAA. Retrieved 2006-05-04.
  2. ↑ 2.0 2.1 Staff (2005-10-13). "13 Oct 2005 ...'Hurricane Vince' visits southern Spain". Malaga Weather Channel. Retrieved 2008-07-30.
  3. ↑ National Hurricane Center (2005-10-09). "Tropical Storm Vince Discussion Number 1". NOAA. Retrieved 2006-05-04.
  4. ↑ 4.0 4.1 Knabb (2005-10-09). "Hurricane Vince Discussion Number 2". NOAA. Retrieved 2008-07-30.
  5. ↑ 5.0 5.1 Pasch (2005-10-09). "Hurricane Vince Discussion Number 3". NOAA. Retrieved 2008-07-30.
  6. ↑ 6.0 6.1 Franklin (2005-10-10). "Hurricane Vince Discussion Number 4". NOAA. Retrieved 2008-07-30.
  7. ↑ Knabb (2005-10-10). "Hurricane Vince Discussion Number 5". NOAA. Retrieved 2008-07-30.
  8. ↑ Knabb (2005-10-10). "Hurricane Vince Discussion Number 4". NOAA. Retrieved 2008-07-30.
  9. ↑ Stewart (2005-10-10). "Hurricane Vince Discussion Number 4". NOAA. Retrieved 2008-07-30.
  10. ↑ Staff Writer (2005-10-12). "Protección Civil alerta a cinco comunidades por la lluvia y el viento" (in Spanish). El Confidencial. Retrieved 2008-07-28.
  11. ↑ 11.0 11.1 Javier Mesa (2005-10-13). "Las lluvias sólo frenan un 0,1% la pérdida de agua" (in Spanish). 20 minutos. Retrieved 2008-07-28.
  12. ↑ César-Javier Palacios (2005-10-14). "Fuentes sin agua" (in Spanish). 20 minutos. Retrieved 2008-07-28.
  13. ↑ 13.0 13.1 Staff Writer (2005-10-13). "Llueve en sólo dos días más que en todo el verano" (in Spanish). 20 minutos. Retrieved 2008-07-28.
  14. ↑ F. J. Poyato (2008-02-05). "La conexión de la Ronda de Poniente con la red viaria tardará en cerrarse más de un año" (in Spanish). ABC.es. Retrieved 2008-07-30.
  15. ↑ Staff Writer (2005-10-13). "Problemas en varias carreteras de la provincia" (in Spanish). Diario Cordoba. Retrieved 2008-07-28.
  16. ↑ Various Authors. "Consideraciones sobre el ciclón Vince: sus efectos sobre la península Ibérica" (pdf) (in Spanish). Ministerio de Medio Ambiente. Retrieved 2008-08-28.
  17. ↑ Vaquero, J. M. (2008-02-01). "A Historical Analog of 2005 Hurricane Vince" (pdf). Bulletin of the American Meteorological Society. 89 (2): 191–201. doi:10.1175/BAMS-89-2-191. Retrieved 2008-07-30. {{cite journal}}: Unknown parameter |coauthors= ignored (|author= suggested) (help)
  18. ↑ NHC (2006-04-06). "Dennis, Katrina, Rita, Stan, and Wilma "Retired" from List of Storm Names". NOAA. Retrieved 2008-07-30.
  19. ↑ NHC (2008-05-19). "Worldwide Tropical Cyclone Names". NOAA. Retrieved 2008-07-30.
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