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URGENT - IMMEDIATE BROADCAST REQUESTED

SEVERE THUNDERSTORM WATCH NUMBER 232

NWS STORM PREDICTION CENTER NORMAN OK

1200 PM CDT SAT MAY 29 2010



THE NWS STORM PREDICTION CENTER HAS ISSUED A

SEVERE THUNDERSTORM WATCH FOR PORTIONS OF



       MUCH OF SOUTHERN AND CENTRAL ALABAMA

       MUCH OF FLORIDA PANHANDLE

       PARTS OF SOUTHWEST GEORGIA



EFFECTIVE THIS SATURDAY AFTERNOON AND EVENING FROM NOON UNTIL 700

PM 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 115

STATUTE MILES EAST AND WEST OF A LINE FROM 35 MILES SOUTH

SOUTHEAST OF CRESTVIEW FLORIDA TO 60 MILES NORTH OF MONTGOMERY

ALABAMA.  FOR A COMPLETE DEPICTION OF THE WATCH SEE THE

ASSOCIATED WATCH OUTLINE UPDATE (WOUS64 KWNS WOU2).



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.



DISCUSSION...WITH A MOIST AND MDTLY UNSTABLE AIR MASS IN PLACE

COUPLED WITH 25-30KT OF CYCLONIC SHEAR ON E SIDE OF UPPER LOW NEAR

KJAN...THUNDERSTORMS WILL INCREASE IN NUMBER AND INTENSITY ACROSS

THE WATCH AREA THRU THE AFTERNOON.  MULTICELLULAR/PULSE MODE OF

STORMS WILL SUPPORT LARGE HAIL AND DAMAGING DOWNBURSTS WINDS AS

STORMS MOVE SLOWLY N AND NW TO E OF UPPER LOW CENTER.



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 550. MEAN STORM

MOTION VECTOR 19010.





...HALES

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