MESOSCALE DISCUSSION 1063 NWS STORM PREDICTION CENTER NORMAN OK 0911 PM CDT MON JUN 04 2012 AREAS AFFECTED...FAR WRN KY...EXTREME SERN MO...WRN TN CONCERNING...SEVERE THUNDERSTORM WATCH 353... VALID 050211Z - 050345Z THE SEVERE WEATHER THREAT FOR SEVERE THUNDERSTORM WATCH 353 CONTINUES. SUMMARY...STRONG TO SEVERE STORMS ARE EXPECTED TO CONTINUE FOR A FEW MORE HOURS THIS EVENING. GIVEN THE 03Z EXPIRATION TIME OF WW 353 A NEW SVR WATCH WILL LIKELY BE NEEDED FOR PORTIONS OF WRN KY INTO WRN TN. STRONG TO LOCALLY DAMAGING WINDS AND HAIL WILL BE POSSIBLE WITH THE STRONGEST STORMS. DISCUSSION...SEVERE THUNDERSTORMS ACROSS EXTREME SERN MO MOVING INTO WRN KY ARE EXPECTED TO CONTINUE S/SEWD THIS EVENING WITH STRONG WINDS AND LARGE HAIL POSSIBLE. GIVEN THE 03Z EXPIRATION TIME OF WW 353...A NEW SVR WATCH WILL LIKELY BE NEEDED AND WILL EXTEND INTO MUCH OF THE WESTERN HALF OF TN. HERE...THE AIRMASS REMAINS MODERATELY UNSTABLE AND MOIST PER 00Z BNA ROAB AND 01Z SFC ANALYSIS. CURRENT CONVECTION APPEARS TO HAVE RE-INTENSIFIED FROM A PERIOD OF EARLIER WEAKENING DUE TO AN INCREASE IN DEEP LAYER SHEAR ON THE ORDER OF 30-40 KT AS NOTED ON REGIONAL WSR-88D VAD WIND PROFILES. IN CONJUNCTION WITH A SWD MOVING SFC BOUNDARY...THIS INCREASE IN DEEP LAYER SHEAR SHOULD HELP TO MAINTAIN STORM ORGANIZATION FOR AT LEAST A FEW MORE HOURS LATE THIS EVENING. ..LEITMAN/CORFIDI.. 06/05/2012 ATTN...WFO...LMK...OHX...HUN...PAH...MEG...
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