PUBLIC SEVERE WEATHER OUTLOOK
NWS STORM PREDICTION CENTER NORMAN OK
1155 AM CDT WED JUN 12 2013
...SEVERE THUNDERSTORMS EXPECTED OVER PORTIONS OF THE MIDDLE
MISSISSIPPI VALLEY EAST TO THE UPPER OHIO VALLEY AND LOWER GREAT
LAKES THIS AFTERNOON AND TONIGHT...
THE NWS STORM PREDICTION CENTER IN NORMAN OK IS FORECASTING THE
DEVELOPMENT OF WIDESPREAD DAMAGING WINDS AND A FEW STRONG TORNADOES
OVER PARTS OF THE PORTIONS OF THE MIDDLE MISSISSIPPI VALLEY EAST TO
THE UPPER OHIO VALLEY AND LOWER GREAT LAKES THIS AFTERNOON AND
TONIGHT.
THE AREAS MOST LIKELY TO EXPERIENCE THIS ACTIVITY INCLUDE
EXTREME EASTERN IOWA
NORTHERN ILLINOIS
NORTHERN INDIANA
NORTHWEST OHIO
ELSEWHERE...SEVERE STORMS ARE ALSO POSSIBLE FROM PORTIONS OF THE
MID-ATLANTIC STATES INTO THE SOUTHEAST U.S.
SEVERE THUNDERSTORMS ARE EXPECTED TO DEVELOP RAPIDLY THIS AFTERNOON
OVER PORTIONS OF IOWA...NORTHWEST ILLINOIS AND SOUTHWEST WISCONSIN
WITH A THREAT FOR TORNADOES...LARGE HAIL AND DAMAGING WINDS. SOME OF
THE TORNADOES MAY BE STRONG. WITH TIME...THUNDERSTORMS ARE EXPECTED
TO DEVELOP INTO A FAST-MOVING SQUALL LINE WITH THE PRIMARY THREATS
BEING WIDESPREAD DAMAGING WINDS AND EMBEDDED TORNADOES. A FEW WIND
GUSTS IN EXCESS OF 75 MPH WILL BE POSSIBLE AS THE LINE OF
THUNDERSTORMS MOVES RAPIDLY EAST ACROSS THE SOUTHERN GREAT LAKES AND
OHIO VALLEY REGION THIS EVENING.
ADDITIONAL SEVERE THUNDERSTORMS MAY DEVELOP EASTWARD ALONG A FRONTAL
BOUNDARY INTO THE MID-ATLANTIC REGION WITH A THREAT FOR DAMAGING
WINDS AND LARGE HAIL.