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Hurricane Enrique was a minimal hurricane and one of only six tropical cyclones to exist in all three of the four Pacific tropical cyclone basins. Enrique formed on July 15 from a tropical wave that originated from the west coast of Africa. It was upgraded to a tropical storm on July 16 and became a hurricane the next day. It weakened into a tropical depression on the 19th and crossed into the Central Pacific. Not long after entering the basin, Enrique dissipated. After it crossed the International Dateline on August 1, it again reintensified into a minimal tropical storm, but Enrique dissipated the same day.

Meteorological historyEdit

Enrique formed from a westward-moving tropical wave that crossed the Atlantic from June 30 to July 8. A short-lived cyclonic circulation center within the wave was detected on satellite imagery when the system was over the eastern Atlantic. However, persistent deep convection did not occur until the wave neared the Gulf of Tehuantepec in the eastern Pacific Ocean on July 11. On July 12, the convection became more concentrated about Template:Convert/nmi south of Acapulco, near a mid-level vortex within the wave; however, it had diminished the next day. On July 14 it became better organized. Based on reports from satellite imagery the low had developed into the seasons season's sixth tropical depression on July 15.[1] The depression intensified further and was upgraded to Tropical Storm Enrique the next day as it became better organized.[2]

Enrique steadily intensified and by early on June 16, the National Hurricane Center was anticipating for the system to reach hurricane intensity.[3] Continuing to strengthen, it reached hurricane status On July 17. However, this was for a short period of time as it developed an eye. Due to uncertainties of the storms intensity that day, it is possible that it could have been a hurricane earlier than originally estimated.[1] Wind shear associated with a trough and passage over cooler waters caused Enrique to begin weakening and the cyclone center soon became exposed. Enrique was downgraded to a depression on July 19 and the weakening cyclone crossed into the central Pacific on July 20.[1][4] Enrique dissipated shortly thereafter.[5]

Enrique's remnants mange to maintain a very weak center as it passed well to the north of the Hawaiian Islands and then passed near Midway Island. As the storm approached the International Dateline, the system started to redevelop. Shortly after crossing the dateline, Enrique became a tropical storm again on August 1. It lasted for less than 24 hours before it lost its convection and thus the cyclone began to dissipate.[6]

Impact and RecordsEdit

No damages or casualties were caused by Enrique.[4][5][6] It is one of only six tropical cyclones to exist in all three tropical cyclone basins in the Pacific Ocean.[6] The others are 1986's Georgette,[7] 1994's Li and John, 1999's Dora, and 2003's Jimena.

ReferencesEdit

  1. 1.0 1.1 1.2 Edward Rappaport (1991). "Preliminary Report Hurricane Enrique" (GIF). National Hurricane Center. p. 1. http://www.nhc.noaa.gov/archive/storm_wallets/epacific/ep1991/enrique/prenhc/prelim01.gif. Retrieved 2006-12-22. 
  2. Edward Rappaport (15 July 1991). "Tropical Storm Enrique Discussion 2". NOAA. National Hurricane Center. http://www.nhc.noaa.gov/archive/storm_wallets/epacific/ep1991/enrique/tropdisc/nep0691.002. Retrieved 28 April 2010. 
  3. Forecaster Lawrence (July 16, 1991). "Tropical Storm Enrique Discussion 3". NOAA. National Hurricane Center. http://www.nhc.noaa.gov/archive/storm_wallets/epacific/ep1991/enrique/tropdisc/nep0691.003. Retrieved April 28, 2010. 
  4. 4.0 4.1 Edward Rappaport (1991). "Preliminary Report Hurricane Enrique" (GIF). National Hurricane Center. p. 2. http://www.nhc.noaa.gov/archive/storm_wallets/epacific/ep1991/enrique/prenhc/prelim02.gif. Retrieved 2006-12-22. 
  5. 5.0 5.1 "The 1991 Central Pacific Tropical Cyclone Season". Central Pacific Hurricane Center. http://www.prh.noaa.gov/cphc/summaries/1991.php. Retrieved 2006-12-22. 
  6. 6.0 6.1 6.2 "Tropical Storm Enrique (06E)" (PDF). 1991 Annual Tropical Cyclone Report. Joint Typhoon Warning Center. pp. 70–1. http://www.usno.navy.mil/NOOC/nmfc-ph/RSS/jtwc/atcr/1991atcr/pdf/cep/06e.pdf. Retrieved 2009-03-03. 
  7. Steve J. Fatjo. "Typhoons Georgette (11E) and Tip (10W)" (PDF). 1986 Annual Tropical Cyclone Report. Joint Typhoon Warning Center. pp. 58–66. http://www.usno.navy.mil/NOOC/nmfc-ph/RSS/jtwc/atcr/1986atcr/pdf/cep/11e10w.pdf. Retrieved 2009-03-03. 

External linksEdit

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