Thursday, November 24, 2005

Global Warming and Hurricanes

Global Warming and Hurricanes: "How does the 2005 hurricane season compare so far?

The National Hurricane Center predicted significantly greater activity for 2005, with 18-21 tropical storms and 9-11 hurricanes projected, 5-7 of which were expected to reach category 3 or greater. So far the season is exceeding expectations; as of October 24, the following activity had occurred:

* 22 named tropical storms for the first time since systematic record keeping began about 150 years ago
* 12 hurricanes
* 6 major hurricanes
* The earliest date on record by which four named tropical storms formed (Arlene, Bret, Cindy, Dennis formed before July 5)
* The earliest date on record by which two category 4 hurricanes occurred (Dennis formed July 4-7; Emily formed July 10-16)
* The most powerful hurricane ever recorded in the Atlantic basin (Wilma, central barometric pressure of 882 mBar)
* Three of the six most powerful hurricanes ever recorded in the Atlantic basin (Katrina, Rita, Wilma; This is the first time three category 5 hurricanes have ever been recorded in the same year in the Atlantic basin)
* The most destructive hurricane in US history (Katrina)

In terms of overall hurricane activity (number and intensity of storms), the 2005 Atlantic hurricane season has apparently been the most active season on record, and"

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