Role of anomalous warm gulf waters in the intensification of Hurricane Katrina

Menas Kafatos, Donglian Sun, Ritesh Gautam, Zafer Boybeyi, Ruixin Yang, Guido Cervone

Research output: Contribution to journalArticle

16 Citations (Scopus)

Abstract

The year 2005 experienced several strong hurricanes intensifying in the Gulf of Mexico before making landfall that severely damaged the Gulf States, especially Hurricane Katrina. Remarkable similarities between sea surface temperature anomaly (SSTA) and major hurricane (categories 3 and higher) activity over the Gulf are identified. However, the intensification of individual hurricanes may not necessarily be temporally and spatially coincident with the distribution of warm waters or high sea surface temperature (SST). High SST values are found in advance of significant intensification of Hurricane Katrina. We emphasize that high SSTA which occurred at the right time and right place was conducive to the hurricane intensification. In particular, high SSTA in the northeastern quadrant of the storm track induced significant increases in surface latent heat fluxes (LHF) contributing to the rapid intensification of Katrina. We also compared and verified model simulations with buoy observations.

Original languageEnglish (US)
Article numberL17802
JournalGeophysical Research Letters
Volume33
Issue number17
DOIs
StatePublished - Sep 1 2006

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hurricanes
gulfs
sea surface temperature
hurricane
temperature anomaly
water
anomalies
Gulf of Mexico
storm track
quadrants
latent heat
latent heat flux
warm water
gulf
heat flux
simulation

All Science Journal Classification (ASJC) codes

  • Geophysics
  • Earth and Planetary Sciences(all)

Cite this

Kafatos, Menas ; Sun, Donglian ; Gautam, Ritesh ; Boybeyi, Zafer ; Yang, Ruixin ; Cervone, Guido. / Role of anomalous warm gulf waters in the intensification of Hurricane Katrina. In: Geophysical Research Letters. 2006 ; Vol. 33, No. 17.
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Role of anomalous warm gulf waters in the intensification of Hurricane Katrina. / Kafatos, Menas; Sun, Donglian; Gautam, Ritesh; Boybeyi, Zafer; Yang, Ruixin; Cervone, Guido.

In: Geophysical Research Letters, Vol. 33, No. 17, L17802, 01.09.2006.

Research output: Contribution to journalArticle

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AU - Kafatos, Menas

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AU - Cervone, Guido

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AB - The year 2005 experienced several strong hurricanes intensifying in the Gulf of Mexico before making landfall that severely damaged the Gulf States, especially Hurricane Katrina. Remarkable similarities between sea surface temperature anomaly (SSTA) and major hurricane (categories 3 and higher) activity over the Gulf are identified. However, the intensification of individual hurricanes may not necessarily be temporally and spatially coincident with the distribution of warm waters or high sea surface temperature (SST). High SST values are found in advance of significant intensification of Hurricane Katrina. We emphasize that high SSTA which occurred at the right time and right place was conducive to the hurricane intensification. In particular, high SSTA in the northeastern quadrant of the storm track induced significant increases in surface latent heat fluxes (LHF) contributing to the rapid intensification of Katrina. We also compared and verified model simulations with buoy observations.

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