SCATTERED THUNDERSTORMS ARE EXPECTED TO DEVELOP OVER SOUTHEAST MISSOURI DURING THE LATE AFTERNOON...THEN EXPAND IN COVERAGE OVER THE REMAINDER OF THE OUTLOOK AREA TONIGHT. LOCALLY HEAVY RAIN AND ISOLATED...BUT MARGINAL HAIL WILL BE THE PRIMARY HAZARDS WITH THE STRONGER STORMS TONIGHT. MOST OF THE STORMS SHOULD REMAIN BELOW SEVERE LIMITS. THE AVERAGE MOVEMENT OF THE STORMS WILL BE EAST BETWEEN 35 AND 45 MPH. SCATTERED...DISCRETE STRONG TO SEVERE THUNDERSTORMS...CAPABLE OF PRODUCING DAMAGING WINDS...WILL DEVELOP OVER SOUTHEAST MISSOURI AND SOUTHWEST ILLINOIS...MOST LIKELY AFTER 10 AM CST SUNDAY. THE COVERAGE OF SCATTERED STRONG TO SEVERE THUNDERSTORMS WILL EXPAND TO THE SOUTH AND EAST...REACHING INTO WESTERN KENTUCKY BY AFTERNOON. A SQUALL LINE WILL LIKELY DEVELOP OVER SOUTHEAST ILLINOIS DURING THE MIDDLE OF THE AFTERNOON ON SUNDAY...WORKING EAST INTO SOUTHWEST INDIANA AND THE PENNYRILE REGION OF WEST KENTUCKY. THE GREATEST THREAT FOR WIDESPREAD DAMAGING WINDS IS EXPECTED WITH THIS LINE OF THUNDERSTORMS. AVERAGE STORM MOTION WILL BE EAST BETWEEN 40 AND 50 MPH. AN ISOLATED TORNADO CANNOT BE RULED OUT WITH THE SCATTERED MORNING AND EARLY AFTERNOON THUNDERSTORMS...OR WITH THE LINE OF THUNDERSTORMS DURING THE AFTERNOON. LOCALLY HEAVY RAIN...ESPECIALLY OVER SOUTHWEST INDIANA...MAY CAUSE BRIEF AND LOCALIZED FLOODING OF POORLY DRAINED AND LOW-LYING AREAS. WIND GUSTS BETWEEN 30 AND 50 MPH WILL BE POSSIBLE BETWEEN 9 AM AND 3PM CST...ALONG AND AHEAD OF THE THUNDERSTORMS OVER THE INTERSTATE 64 CORRIDOR IN SOUTHERN ILLINOIS AND SOUTHWEST INDIANA...REACHING DOWN INTO NORTHWEST KENTUCKY. THE THREAT FOR SEVERE THUNDERSTORMS SHOULD END BEFORE 6PM CST SUNDAY. .SPOTTER INFORMATION STATEMENT... SKYWARN SPOTTER ACTIVATION WILL LIKELY BE NEEDED DURING THE LATE MORNING AND THROUGH THE AFTERNOON ON SUNDAY. REPORTS OF ANY WIND DAMAGE AND HEAVY RAINFALL IN EXCESS OF AN INCH WILL BE APPRECIATED.
Posted on: Sat, 16 Nov 2013 12:26:26 +0000
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