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Study: Better Observations, Analyses Detecting Short-Lived Tropical Systems

Submitted on August 11, 2009 - 4:23pm
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Satellite image of Tropical Storm Chantal forming south of Halifax, Nova Scotia. Click for larger image.

A NOAA-led team of scientists has found that the apparent increase in the number of tropical storms and hurricanes since the late 19th and early 20th centuries is likely attributable to improvements in observational tools and analysis techniques that better detect short-lived storms. The new study shows that short-lived tropical storms and hurricanes, defined as lasting two days or less, have increased from less than one per year to about five per year from 1878 to 2008. (More)

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