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Hurricane Gilma (1994)

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Hurricane Gilma
Category 5 major hurricane (SSHWS/NWS)
Satellite image of Hurricane Gilma on July 25
FormedJuly 21, 1994
DissipatedJuly 31, 1994
Highest winds1-minute sustained: 160 mph (260 km/h)
Lowest pressure920 mbar (hPa); 27.17 inHg
FatalitiesNone
DamageMinimal
Areas affectedJohnston Atoll
Part of the 1994 Pacific hurricane season

Hurricane Gilma was one the the most intense Pacific hurricanes on record and the second of three Category 5 hurricanes during the active 1994 Pacific hurricane season.

Meteorological history

Forecasting, impact and records

Gilma's track was well-forecast due to the steady westward path it took for most of its life. By contrast, its intensity was often underforecast.[1] Although it was operationally forecast to become a Category 5 hurricane,[2] it was never at that intensity in real time.[3][4] The hurricane's only impact was on Johnston Atoll. That island received light rain, wind gusts to near gale force,[1] and some surf.[5] No one was killed and no damage was reported.[1]

Gilma's central pressure of 920 mbar (hPa; 27.17 inHg) is the seventh lowest ever recorded in a Pacific hurricane and the lowest ever in July.[6] Its one minute average sustained windspeed of 140 knots (260 km/h) is part of the three way tie for second highest ever in the Central Pacific Hurricane Center's area of responsibility.[7] Gilma is also the fifth known Pacific hurricane to reach Category 5 intensity on record in the Central Pacific and the second of a record three such cyclones in the 1994 Pacific hurricane season (since equaled by the 2002 season).[6] Finally, Gilma is the strongest hurricane of its season. However, Gilma's lowest pressure record may be incomplete; the 920 millibar reading of pressure is at the first of four data points when Gilma was a Category 5 hurricane;[6] that report is at the edge of a range typical of a Category 5 hurricane.[8] The remaining data points do not provide pressure levels[6] because the source provided by the Central Pacific Hurricane Center, and used by the National Hurricane Center for storm path and intensity data, does not generally provide pressure readings.[9][10]

Gilma's name was not retired after the 1994 season, and it was used again in the 2000 and 2006 seasons.[6] At a conference in 2007, Gilma's name was proposed for retirement.[11] That proposal was not accepted and the name "Gilma" remains on the list for 2012.[12]

See also

Template:Tcportal

References

  1. ^ a b c Richard J. Pasch (January 20, 1995). "Preliminary Report Hurricane Gilma" (GIF). National Hurricane Center. p. 2. Retrieved January 3, 2010.
  2. ^ Avila (July 23, 1994). "Hurricane Gilma Discussion Number 12" (GIF). National Hurricane Center. Retrieved August 18, 2008.
  3. ^ Sasaki (July 24, 1994). "Hurricane Gilma Marine Advisory Number 13" (GIF). National Hurricane Center. Retrieved August 18, 2008.
  4. ^ Rosendal (July 24, 1994). "Hurricane Gilma Discussion Number 14" (GIF). National Hurricane Center. Retrieved August 18, 2008.
  5. ^ "The 1994 Central Pacific Tropical Cyclone Season". Central Pacific Hurricane Center. Retrieved January 3, 2010.
  6. ^ a b c d e "Eastern North Pacific Tracks File 1949-2008" (plain text). National Hurricane Center. 2009. Retrieved January 3, 2010.
  7. ^ "Previous Tropical Systems in the Central Pacific". Central Pacific Hurricane Center. Retrieved August 18, 2008.
  8. ^ Chris Landsea. "Subject: D1) How are Atlantic hurricanes ranked?". National Hurricane Center. Retrieved August 18, 2008.
  9. ^ Richard J. Pasch (January 20, 1995). "Preliminary Report Hurricane Gilma" (GIF). National Hurricane Center. p. 3. Retrieved January 3, 2010.
  10. ^ Jim Gross (August 30, 1989). "Preliminary Report Hurricane Dalilia" (GIF). National Hurricane Center. p. 3. Retrieved August 28, 2008.
  11. ^ "61st Interdepertmental Hurricane Conference" (PDF). Office of the Federal Coordinator for Meteorology. 2007. p. 113. Retrieved August 28, 2008. {{cite web}}: Unknown parameter |month= ignored (help)
  12. ^ "Fact Sheet Tropical Cyclone Names" (PDF). World Meteorological Organization. July 1, 2005. p. 4. Retrieved August 26, 2008.
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