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WWUS20 KWNS 030047

SEL5

SPC WW 030047

ARZ000-MSZ000-030700-



URGENT - IMMEDIATE BROADCAST REQUESTED

TORNADO WATCH NUMBER 255

NWS STORM PREDICTION CENTER NORMAN OK

750 PM CDT FRI MAY 2 2008



THE NWS STORM PREDICTION CENTER HAS ISSUED A

TORNADO WATCH FOR PORTIONS OF



       PARTS OF EASTERN ARKANSAS

       LARGE PART OF NORTHERN MISSISSIPPI



EFFECTIVE THIS FRIDAY NIGHT AND SATURDAY MORNING FROM 750 PM

UNTIL 200 AM CDT.



TORNADOES...HAIL TO 2.5 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 60 STATUTE

MILES EAST AND WEST OF A LINE FROM 40 MILES SOUTH SOUTHEAST OF

MONTICELLO ARKANSAS TO 45 MILES NORTH NORTHEAST OF OXFORD

MISSISSIPPI.  FOR A COMPLETE DEPICTION OF THE WATCH SEE THE

ASSOCIATED WATCH OUTLINE UPDATE (WOUS64 KWNS WOU5).



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...THIS TORNADO WATCH REPLACES TORNADO

WATCH NUMBER 251. WATCH NUMBER 251 WILL NOT BE IN EFFECT AFTER

750 PM CDT. CONTINUE...WW 253...WW 254...



DISCUSSION...SUPERCELL THUNDERSTORMS WILL CONTINUE TO DEVELOP ACROSS

THE WATCH AREA NEXT SEVERAL HOURS AS SHEAR AND UNSTABLE AIR MASS

REMAIN FAVORABLE.



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

SURFACE AND ALOFT TO 2.5 INCHES. EXTREME TURBULENCE AND SURFACE

WIND GUSTS TO 60 KNOTS. A FEW CUMULONIMBI WITH MAXIMUM TOPS TO

550. MEAN STORM MOTION VECTOR 24035.





...HALES

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