URGENT - IMMEDIATE BROADCAST REQUESTED TORNADO WATCH NUMBER 222 NWS STORM PREDICTION CENTER NORMAN OK 935 PM CDT TUE APR 26 2011 THE NWS STORM PREDICTION CENTER HAS ISSUED A TORNADO WATCH FOR PORTIONS OF SMALL PART OF NORTHWEST ALABAMA PARTS OF SOUTHERN ARKANSAS MUCH OF NORTHERN LOUISIANA MUCH OF NORTHERN AND CENTRAL MISSISSIPPI EFFECTIVE THIS TUESDAY NIGHT AND WEDNESDAY MORNING FROM 935 PM UNTIL 500 AM CDT. ...THIS IS A PARTICULARLY DANGEROUS SITUATION... DESTRUCTIVE TORNADOES...LARGE HAIL TO 2.5 INCHES IN DIAMETER... THUNDERSTORM WIND GUSTS TO 80 MPH...AND DANGEROUS LIGHTNING ARE POSSIBLE IN THESE AREAS. THE TORNADO WATCH AREA IS APPROXIMATELY ALONG AND 75 STATUTE MILES NORTH AND SOUTH OF A LINE FROM 25 MILES SOUTH SOUTHWEST OF SHREVEPORT LOUISIANA TO 50 MILES EAST NORTHEAST OF TUPELO MISSISSIPPI. FOR A COMPLETE DEPICTION OF THE WATCH SEE THE ASSOCIATED WATCH OUTLINE UPDATE (WOUS64 KWNS WOU2). 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 215...WW 217...WW 218...WW 219...WW 220...WW 221... DISCUSSION...CONDITIONS REMAIN VERY FAVORABLE FOR TORNADIC SUPERCELLS TO CONTINUE TO DEVELOP AND MOVE EWD ACROSS THE WATCH AREA THRU THE NIGHT. WITH VERY STRONG VEERING SHEAR PROFILES AND MLCAPES AOA 2500 J/KG LONG LIVED SUPERCELLS ARE LIKELY WITH POTENTIAL FOR STRONG...DAMAGING TORNADOS. AVIATION...TORNADOES AND A FEW SEVERE THUNDERSTORMS WITH HAIL SURFACE AND ALOFT TO 2.5 INCHES. EXTREME TURBULENCE AND SURFACE WIND GUSTS TO 70 KNOTS. A FEW CUMULONIMBI WITH MAXIMUM TOPS TO 550. MEAN STORM MOTION VECTOR 24035.
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