SEL9 URGENT - IMMEDIATE BROADCAST REQUESTED SEVERE THUNDERSTORM WATCH NUMBER 389 NWS STORM PREDICTION CENTER NORMAN OK 245 PM CDT THU JUN 14 2012 THE NWS STORM PREDICTION CENTER HAS ISSUED A SEVERE THUNDERSTORM WATCH FOR PORTIONS OF SOUTHERN MINNESOTA WEST-CENTRAL WISCONSIN EFFECTIVE THIS THURSDAY AFTERNOON AND EVENING FROM 245 PM UNTIL 1000 PM CDT. HAIL TO 2 INCHES IN DIAMETER...THUNDERSTORM WIND GUSTS TO 70 MPH...AND DANGEROUS LIGHTNING ARE POSSIBLE IN THESE AREAS. THE SEVERE THUNDERSTORM WATCH AREA IS APPROXIMATELY ALONG AND 50 STATUTE MILES NORTH AND SOUTH OF A LINE FROM 35 MILES SOUTHWEST OF REDWOOD FALLS MINNESOTA TO 25 MILES NORTH OF LA CROSSE WISCONSIN. FOR A COMPLETE DEPICTION OF THE WATCH SEE THE ASSOCIATED WATCH OUTLINE UPDATE (WOUS64 KWNS WOU9). REMEMBER...A SEVERE THUNDERSTORM WATCH MEANS CONDITIONS ARE FAVORABLE FOR SEVERE THUNDERSTORMS IN AND CLOSE TO THE WATCH AREA. PERSONS IN THESE AREAS SHOULD BE ON THE LOOKOUT FOR THREATENING WEATHER CONDITIONS AND LISTEN FOR LATER STATEMENTS AND POSSIBLE WARNINGS. SEVERE THUNDERSTORMS CAN AND OCCASIONALLY DO PRODUCE TORNADOES. DISCUSSION...ELEVATED SEVERE STORMS ARE EXPECTED TO PERSIST N OF OUTFLOW BOUNDARY THIS AFTERNOON...FORCED BY WAA ALONG SWLY LLJ AXIS. THE COMBINATION OF MODERATE ELEVATED INSTABILITY AND MODERATELY STRONG CLOUD-BEARING SHEAR WILL BE SUPPORTIVE OF SUPERCELLS CAPABLE OF LARGE HAIL AND PERHAPS DAMAGING WIND GUSTS. AVIATION...A FEW SEVERE THUNDERSTORMS WITH HAIL SURFACE AND ALOFT TO 2 INCHES. EXTREME TURBULENCE AND SURFACE WIND GUSTS TO 60 KNOTS. A FEW CUMULONIMBI WITH MAXIMUM TOPS TO 500. MEAN STORM MOTION VECTOR 27030. "INFORMS YOU ON WEATHER" THIS BLOG WILL INFORM ON WEATHER MOSTLY FOR NORTHERN ILLINOIS AND SURROUNDING AREAS. ALSO MOST AREAS DURRING SEVERE WEATHER.
Thursday, June 14, 2012
SEVERE THUNDERSTORM WATCH FOR PORTIONS OF SOUTHERN MINNESOTA WEST-CENTRAL WISCONSIN EFFECTIVE THIS THURSDAY AFTERNOON AND EVENING FROM 245 PM UNTIL 1000 PM CDT
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