

941 

WWUS20 KWNS 020255

SEL4

SPC WW 020255

ARZ000-OKZ000-020900-



URGENT - IMMEDIATE BROADCAST REQUESTED

SEVERE THUNDERSTORM WATCH NUMBER 224

NWS STORM PREDICTION CENTER NORMAN OK

955 PM CDT FRI MAY 1 2009



THE NWS STORM PREDICTION CENTER HAS ISSUED A

SEVERE THUNDERSTORM WATCH FOR PORTIONS OF



       CENTRAL ARKANSAS

       SOUTHEAST OKLAHOMA



EFFECTIVE THIS FRIDAY NIGHT AND SATURDAY MORNING FROM 955 PM

UNTIL 400 AM CDT.



HAIL TO 2 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 45 MILES SOUTHEAST

OF BATESVILLE ARKANSAS TO 20 MILES SOUTH SOUTHWEST OF MCALESTER

OKLAHOMA.  FOR A COMPLETE DEPICTION OF THE WATCH SEE THE

ASSOCIATED WATCH OUTLINE UPDATE (WOUS64 KWNS WOU4).



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 222...WW 223...



DISCUSSION...CLUSTER OF INTENSE THUNDERSTORMS CONTINUES TO TRACK

SOUTHWARD ACROSS CENTRAL AR...AND MAY PERSIST FOR A FEW MORE HOURS.

OTHER CONVECTION IS EXPECTED TO DEVELOP IN VICINITY OF THE SURFACE

FRONT EXTENDING FROM CENTRAL AR INTO SOUTHEAST OK OVERNIGHT.  THESE

STORMS WILL ALSO POSE A THREAT OF LARGE HAIL AND DAMAGING WINDS

THROUGH MUCH OF THE NIGHT.



AVIATION...A FEW SEVERE THUNDERSTORMS WITH HAIL SURFACE AND ALOFT

TO 2 INCHES. EXTREME TURBULENCE AND SURFACE WIND GUSTS TO 60

KNOTS. A FEW CUMULONIMBI WITH MAXIMUM TOPS TO 500. MEAN STORM

MOTION VECTOR 26025.





...HART

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