THIS HAZARDOUS WEATHER OUTLOOK IS FOR PARTS OF SOUTHEAST MINNESOTA...NORTHEAST IOWA...AND SOUTHWEST INTO CENTRAL WISCONSIN. .DAY ONE...TODAY AND TONIGHT A WARM FRONT WILL LIFT INTO SOUTHERN IOWA LATER TODAY AND CONTINUE PUSHING NORTHWARD OVERNIGHT TONIGHT. STORMS WILL LIKELY DEVELOP LATE THIS AFTERNOON AND THEN BECOME MORE WIDESPREAD TONIGHT. SOME OF THESE STORMS MAY BE SEVERE...WITH LARGE HAIL AND LOCALLY HEAVY RAINFALL THE PRIMARY THREATS. .DAYS TWO THROUGH SEVEN...TUESDAY THROUGH SUNDAY THE WARM FRONT WILL CONTINUE TO LIFT NORTHWARD INTO THE AREA ON TUESDAY. THIS WILL BE THE FOCAL POINT FOR SHOWERS AND THUNDERSTORMS. INSTABILITY AND WIND PROFILES WILL BE FAVORABLE FOR LARGE HAIL... DAMAGING WINDS AND ISOLATED TORNADOES. THE GREATEST TORNADO THREAT WILL BE ALONG THE WARM FRONT...WHICH AT THIS TIME LOOKS TO BE SITUATED FROM SOUTHERN MINNESOTA/NORTHERN IOWA...INTO SOUTHERN WISCONSIN. IN ADDITION...HEAVY RAINFALL WILL BE POSSIBLE WITH ANY OF THE STORMS. THUNDERSTORM CHANCES WILL CONTINUE ON WEDNESDAY AS THE STRONG SYSTEM SLOWLY MOVES EASTWARD. ISOLATED SEVERE WEATHER WILL BE POSSIBLE IN AREAS EAST OF THE MISSISSIPPI RIVER...WITH THE THREAT OF LARGE HAIL. THERE IS ANOTHER CHANCE FOR THUNDERSTORMS SATURDAY NIGHT AND SUNDAY...BUT IT IS TOO EARLY TO DISCERN ANY SEVERE WEATHER THREATS. .SPOTTER INFORMATION STATEMENT... SPOTTER ACTIVATION IS POSSIBLE LATE THIS AFTERNOON AND OVERNIGHT. ACTIVATION WILL LIKELY BE REQUESTED TUESDAY AFTERNOON AND EVENING AS WELL. .EMERGENCY MANAGEMENT COORDINATION... A WEBINAR HAS BEEN SCHEDULED FOR 11 AM TODAY TO DISCUSS THE SEVERE WEATHER POTENTIAL FOR MONDAY AND TUESDAY.
Monday, June 20, 2011
Today's Hazardous Weather Outlook For NWS Lacrosse
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