

952 

WWUS20 KWNS 011749

SEL2

SPC WW 011749

ARZ000-LAZ000-MSZ000-TNZ000-TXZ000-020200-



URGENT - IMMEDIATE BROADCAST REQUESTED

TORNADO WATCH NUMBER 262

NWS STORM PREDICTION CENTER NORMAN OK

1250 PM CDT SUN MAY 1 2011



THE NWS STORM PREDICTION CENTER HAS ISSUED A

TORNADO WATCH FOR PORTIONS OF



       LARGE PART OF SOUTHERN AND EASTERN ARKANSAS

       PARTS OF NORTHWEST LOUISIANA

       PARTS OF NORTHWEST MISSISSIPPI

       PARTS OF WESTERN TENNESSEE

       PARTS OF NORTHEAST TEXAS



EFFECTIVE THIS SUNDAY AFTERNOON AND EVENING FROM 1250 PM UNTIL

900 PM CDT.



TORNADOES...HAIL TO 3 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 40 STATUTE

MILES NORTH AND SOUTH OF A LINE FROM 60 MILES WEST SOUTHWEST OF

TYLER TEXAS TO 55 MILES NORTHEAST OF MEMPHIS TENNESSEE.  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 261...



DISCUSSION...WELL DEFINED FRONTAL ZONE EXPECTED TO BE THE FOCUS FOR

SEVERE THUNDERSTORM DEVELOPMENT THIS AFTERNOON.  WITH STRONG SHEAR

PROFILES IN PLACE COUPLED WITH A VERY MOIST AND MDTLY UNSTABLE AIR

MASS...SUPERCELLS ARE LIKELY.  TORNADOES WILL BE POSSIBLE WITH ANY

SUPERCELL ALONG WITH VERY LARGE HAIL AND DAMAGING

WINDS...PARTICULARLY WITH ANY BOWING SEGMENT THAT DEVELOPS.



AVIATION...TORNADOES AND A FEW SEVERE THUNDERSTORMS WITH HAIL

SURFACE AND ALOFT TO 3 INCHES. EXTREME TURBULENCE AND SURFACE

WIND GUSTS TO 70 KNOTS. A FEW CUMULONIMBI WITH MAXIMUM TOPS TO

550. MEAN STORM MOTION VECTOR 24035.





...HALES

