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Hazardous Weather Outlook

HAZARDOUS WEATHER OUTLOOK
NATIONAL WEATHER SERVICE LA CROSSE WI
407 AM CDT THU JUN 20 2013

IAZ008>011-018-019-029-030-MNZ079-086>088-094>096-WIZ017-029-032>034-
041>044-053>055-061-211200-
ADAMS-ALLAMAKEE-BUFFALO-CHICKASAW-CLARK-CLAYTON-CRAWFORD-DODGE-
FAYETTE-FILLMORE-FLOYD-GRANT-HOUSTON-HOWARD-JACKSON-JUNEAU-LA CROSSE-
MITCHELL-MONROE-MOWER-OLMSTED-RICHLAND-TAYLOR-TREMPEALEAU-VERNON-
WABASHA-WINNESHIEK-WINONA-
407 AM CDT THU JUN 20 2013

THIS HAZARDOUS WEATHER OUTLOOK IS FOR PORTIONS OF SOUTHEAST
MINNESOTA...NORTHEAST IOWA AND SOUTHWEST INTO CENTRAL WISCONSIN.

.DAY ONE...TODAY AND TONIGHT

A FEW THUNDERSTORMS ARE POSSIBLE TODAY. LIGHTNING AND BRIEF
HEAVY RAIN WOULD BE THE MAIN HAZARD WITH THE STORMS.

A COMPLEX OF THUNDERSTORMS IS EXPECTED TO FORM ACROSS EASTERN NORTH
DAKOTA THIS AFTERNOON AND DROP SOUTH THROUGH WESTERN MINNESOTA
TONIGHT. PLAN ON A PORTION OF THIS COMPLEX TO MOVE INTO THE
REGION AFTER MIDNIGHT...CAPABLE OF PRODUCING BRIEF HEAVY RAIN AND
LIGHTNING. THERE IS ALSO A CHANCE THE STORMS COULD PRODUCE LARGE
HAIL AND DAMAGING WINDS...HOWEVER...THE HIGHER RISK FOR SEVERE
WEATHER LOOKS TO STAY WEST OF THE AREA.

.DAYS TWO THROUGH SEVEN...FRIDAY THROUGH WEDNESDAY

FROM FRIDAY THROUGH TUESDAY NIGHT...EXPECT PERIODS OF
THUNDERSTORMS. ANY OF THESE THUNDERSTORMS WILL BE CAPABLE OF
PRODUCING HEAVY RAIN. ADDITIONALLY...PERIODS OF SEVERE WEATHER ARE
POSSIBLE WITH DAMAGING WINDS AND FLASH FLOODING THE MAIN HAZARDS.
DETAILS ABOUT WHEN AND WHERE REMAIN DIFFICULT TO DISCERN AT THIS
TIME.

AFTERNOON HEAT INDICES IN THE 90S ARE LIKELY EACH DAY. IT
IS POSSIBLE FOR THESE HEAT INDICES TO APPROACH OR EXCEED 100
DEGREES...INCREASING THE CONCERN FOR HEAT-RELATED ISSUES. HOWEVER...
THIS WILL GREATLY DEPEND ON HOW MUCH SUN OCCURS EACH DAY.

.SPOTTER INFORMATION STATEMENT...

SPOTTER ACTIVATION IS NOT EXPECTED THROUGH TONIGHT. HOWEVER...WITH
THE CHANCE OF SEVERE WEATHER DURING THE OVERNIGHT HOURS...ANY
SEVERE WEATHER REPORTS WOULD BE APPRECIATED. AFTER TONIGHT...PERIODS
OF SPOTTER ACTIVATION MAY BE REQUIRED THROUGH EARLY NEXT WEEK AS
CERTAINTY INCREASES ON WHEN AND WHERE SEVERE WEATHER MAY OCCUR.

.EMERGENCY MANAGEMENT COORDINATION...

NO WEBINAR IS CURRENTLY SCHEDULED. HOWEVER...IF THE CONFIDENCE FOR
SEVERE WEATHER INCREASES...A WEBINAR MAY BE SCHEDULED FOR FRIDAY.

$$

AJ





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