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Powerful Storm in the Western U.S.; Heavy Rain and Flooding Threat Across the Central Gulf Coast

A powerful storm system will continue to bring heavy mountain snow, rain, and high winds to the Pacific Northwest and northern California through midweek. Heavy rain and flash flooding potential exists across the central Gulf Coast over the next few days, including the Florida Panhandle. A Slight Risk (level 2 of 4) of excessive rainfall is in effect Tuesday. Read More >

Overview

A strong cold front blasted through Central PA during the evening of the 11th, and early in the morning of the 12th of February, 2009. A squall line produced very high wind gusts as it moved through Western PA, but weakened as it moved into the Central Mountains. Then, the winds behind the front picked up and created a long duration of high sustained winds and gusts almost as strong as the squall line. These strong west winds lasted for 12 to 24 hours after the front moved past, peaking during the hours around sunrise on the 12th. Many locations had damage with trees and power lines going down.

 

Wind Gusts (mph) and Damage Locations 11-12 Feb 2009

 

Composite Radar Animation from the evening of 11 Feb 2009

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