Update: 1:40 pm. Doppler Radar shows a line of intense thunderstorms developing rapidly north and west of St. Cloud. There is evidence of 3/4" diameter hail in some of these storms. If hail reaches 1" in diameter (roughly quarter-size) warnings will be issued for counties in central Minnesota, which is increasingly likely between 2 and 4 pm. Most of us will just see a heavy thunderstorm and gusty winds; a tiny percentage of the region may experience large, damaging, (ping pong-size) hail, wind gusts over 70 mph, even an isolated tornado can't be ruled out in this moist, unstable, highly sheared environment. Stay alert and be ready to move to a safe place if warnings are issued for your county.
Tuesday, July 14, 2009
Strong to Severe T-storm Risk
Update: 1:40 pm. Doppler Radar shows a line of intense thunderstorms developing rapidly north and west of St. Cloud. There is evidence of 3/4" diameter hail in some of these storms. If hail reaches 1" in diameter (roughly quarter-size) warnings will be issued for counties in central Minnesota, which is increasingly likely between 2 and 4 pm. Most of us will just see a heavy thunderstorm and gusty winds; a tiny percentage of the region may experience large, damaging, (ping pong-size) hail, wind gusts over 70 mph, even an isolated tornado can't be ruled out in this moist, unstable, highly sheared environment. Stay alert and be ready to move to a safe place if warnings are issued for your county.
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