URGENT - IMMEDIATE BROADCAST REQUESTED TORNADO WATCH NUMBER 207 NWS STORM PREDICTION CENTER NORMAN OK 925 PM CDT MON APR 25 2011 THE NWS STORM PREDICTION CENTER HAS ISSUED A TORNADO WATCH FOR PORTIONS OF SMALL PART OF SOUTHEAST ARKANSAS SMALL PART OF NORTHEAST LOUISIANA MUCH OF CENTRAL MISSISSIPPI EFFECTIVE THIS MONDAY NIGHT AND TUESDAY MORNING FROM 925 PM UNTIL 400 AM CDT. TORNADOES...HAIL TO 1.5 INCHES IN DIAMETER...THUNDERSTORM WIND GUSTS TO 70 MPH...AND DANGEROUS LIGHTNING ARE POSSIBLE IN THESE AREAS. THE TORNADO WATCH AREA IS APPROXIMATELY ALONG AND 75 STATUTE MILES EAST AND WEST OF A LINE FROM 35 MILES NORTH NORTHWEST OF GREENWOOD MISSISSIPPI TO 55 MILES WEST SOUTHWEST OF JACKSON MISSISSIPPI. FOR A COMPLETE DEPICTION OF THE WATCH SEE THE ASSOCIATED WATCH OUTLINE UPDATE (WOUS64 KWNS WOU7). REMEMBER...A TORNADO WATCH MEANS CONDITIONS ARE FAVORABLE FOR TORNADOES AND SEVERE THUNDERSTORMS IN AND CLOSE TO THE WATCH AREA. PERSONS IN THESE AREAS SHOULD BE ON THE LOOKOUT FOR THREATENING WEATHER CONDITIONS AND LISTEN FOR LATER STATEMENTS AND POSSIBLE WARNINGS. OTHER WATCH INFORMATION...CONTINUE...WW 204...WW 205...WW 206... DISCUSSION...SEVERE THUNDERSTORMS ACROSS AR HAVE EVOLVED INTO A SQUALL LINE WHICH WILL CONTINUE E/SEWD INTO CENTRAL MS. WHILE DAMAGING WINDS WILL BE THE PRIMARY THREAT...STRONG SHEAR PROFILES AND MLCAPES AOA 1000 J/KG WILL CONTINUE TO SUPPORT EMBEDDED SUPERCELLS AND POSSIBLE TORNADOS IN THE SQUALL LINE. AVIATION...TORNADOES AND A FEW SEVERE THUNDERSTORMS WITH HAIL SURFACE AND ALOFT TO 1.5 INCHES. EXTREME TURBULENCE AND SURFACE WIND GUSTS TO 60 KNOTS. A FEW CUMULONIMBI WITH MAXIMUM TOPS TO 500. MEAN STORM MOTION VECTOR 24035.
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