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804 

WWUS20 KWNS 251411

SEL0

SPC WW 251411

ARZ000-MSZ000-TNZ000-252000-



URGENT - IMMEDIATE BROADCAST REQUESTED

SEVERE THUNDERSTORM WATCH NUMBER 200

NWS STORM PREDICTION CENTER NORMAN OK

915 AM CDT MON APR 25 2011



THE NWS STORM PREDICTION CENTER HAS ISSUED A

SEVERE THUNDERSTORM WATCH FOR PORTIONS OF



       EAST CENTRAL ARKANSAS

       NORTHERN MISSISSIPPI

       SOUTHWEST TENNESSEE



EFFECTIVE THIS MONDAY MORNING AND AFTERNOON FROM 915 AM UNTIL 300

PM CDT.



HAIL TO 1.5 INCHES IN DIAMETER...THUNDERSTORM WIND GUSTS TO 70

MPH...AND DANGEROUS LIGHTNING ARE POSSIBLE IN THESE AREAS.



THE SEVERE THUNDERSTORM WATCH AREA IS APPROXIMATELY ALONG AND 50

STATUTE MILES NORTH AND SOUTH OF A LINE FROM 75 MILES WEST

SOUTHWEST OF MEMPHIS TENNESSEE TO 40 MILES NORTHEAST OF TUPELO

MISSISSIPPI.  FOR A COMPLETE DEPICTION OF THE WATCH SEE THE

ASSOCIATED WATCH OUTLINE UPDATE (WOUS64 KWNS WOU0).



REMEMBER...A SEVERE THUNDERSTORM WATCH MEANS CONDITIONS ARE

FAVORABLE FOR 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. SEVERE THUNDERSTORMS CAN AND OCCASIONALLY

DO PRODUCE TORNADOES.



OTHER WATCH INFORMATION...CONTINUE...WW 199...



DISCUSSION...AN ORGANIZED BOWING MCS IS TRACKING RAPIDLY EASTWARD

ACROSS CENTRAL AR.  THIS ACTIVITY IS EXPECTED TO MAINTAIN ACTIVITY

AS IT MOVES ALONG A SURFACE BOUNDARY INTO PORTIONS OF WEST TN AND

NORTHERN MS.  DAMAGING WINDS ARE THE MAIN THREAT...BUT LARGE HAIL IS

ALSO A POSSIBILITY.



AVIATION...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 25040.





...HART

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