A SIGNIFICANT FALL STORM WILL AFFECT THE MIDSOUTH FROM LATE SUNDAY NIGHT THROUGH EARLY TUESDAY. AN APPROACHING COLD FRONT WILL COLLIDE WITH WARM UNSTABLE GULF AIR THIS HOLIDAY WEEKEND GENERATING SEVERE THUNDERSTORMS CAPABLE OF LARGE HAIL...DAMAGING WINDS...AND TORNADOES. MORE THAN ONE ROUND OF CONVECTION IS POSSIBLE...WITH THE FIRST ACTIVITY AS EARLY AS LATE SUNDAY NIGHT INTO EARLY MONDAY ALONG AND NORTH OF INTERSTATE FORTY. AS THE COLD FRONT SLOWLY CROSSES ARKANSAS...STORM REDEVELOPMENT IS ANTICIPATED MONDAY AFTERNOON...EVENING...AND THE OVERNIGHT HOURS. STRONG SHEAR COMBINED WITH MODERATE INSTABILITY SUGGESTS SOME DISCRETE STORMS WITH STRONGER ROTATION MAY DEVELOP WELL OUT AHEAD OF THE MAIN STORM LINE ASSOCIATED WITH THE FRONT. THE COLD FRONT SHOULD BE CLOSE TO THE MISSISSIPPI RIVER BY MID EVENING...REACHING THE TENNESSEE RIVER/ALABAMA STATE LINE AFTER MIDNIGHT. BASED OFF THIS TIMING A LARGE PORTION OF THE MIDSOUTH WILL RUN THE RISK FOR NOCTURNAL TORNADOES. THIS HIGH END SLIGHT RISK FOR MONDAY MAY BE UPGRADED OVERNIGHT TO A MODERATE RISK. NOW IS THE TIME TO PREPARE...SO PLEASE STAY TUNED TO ANY CHANGES TO THIS FORECAST EVENT AND FOR ANY FUTURE HIGH IMPACT WEB BRIEFINGS.
Posted on: Sun, 12 Oct 2014 23:10:18 +0000
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