Physics
Scientific paper
Aug 2002
adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=2002georl..29p..48b&link_type=abstract
Geophysical Research Letters, Volume 29, Issue 16, pp. 48-1, CiteID 1801, DOI 10.1029/2002GL014920
Physics
3
Meteorology And Atmospheric Dynamics: Tropical Meteorology, Meteorology And Atmospheric Dynamics: Ocean/Atmosphere Interactions (0312, 4504), Oceanography: Physical: Western Boundary Currents, Oceanography: Physical: Air/Sea Interactions (0312)
Scientific paper
Historical storm data and satellite imagery are analyzed to determine the intensity changes and storm-related characteristics of 53 coastal and landfalling tropical cyclones (TCs) from Florida to North Carolina that passed over the Gulf Stream (GS) during the period 1944-2000. It appears that less intense storms (Category 2 or weaker), as well as those occurring earlier in the Atlantic hurricane season, are more likely to be strengthened by the GS. In addition, 81% of the Category 2 or weaker storms that intensified based on both maximum wind speed (MWS) and minimum central pressure (MCP) had tracks approximately parallel to the GS, while 3 of the 5 major (Category 3-5) hurricanes that intensified based on both MWS and MCP tracked perpendicular to the GS. The presence of an upstream mid-latitude trough could have contributed to the intensification of the weaker TCs by steering them along the GS.
Bright Robert J.
Pietrafesa Leonard J.
Xie Lian
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