Thursday, December 8, 2016

Sea spray studied to improve hurricane intensity forecasting

Sea spray studied to improve hurricane intensity forecasting
https://www.sciencedaily.com/releases/2016/12/161206111417.htm


A research team is studying sea spray to help improve forecasting of hurricanes and tropical cyclones. In a recent study, the scientists found that in high winds conditions the amount of large sea spray droplets (over 0.5 milimeters in diameter) generated is as much as 1000 times more than previously thought.

"Our work can be directly applied to a hurricane model to help improve hurricane intensity predictions, which will help people make more informed decisions with regard to their safety," said David Ortiz-Suslow, a Ph.D. candidate at the UM Rosenstiel School and lead author of the study.

Over the last 10 years, scientists have made significant progress in predicting the track of tropical cyclones up to 72 hours. Three days before Hurricane Katrina made landfall in New Orleans, the National Weather Service predicted the hurricane would hit the Florida Panhandle, approximately 250 miles away. This year, Hurricane Matthew's actual verses predicted paths were less than 50 miles apart in the 72-hour window. Intensity forecasting has not improved as sufficiently over the last 10 years.

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