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000 

WWUS20 KWNS 301848

SEL6

SPC WW 301848

ALZ000-FLZ000-GAZ000-SCZ000-CWZ000-010000-



URGENT - IMMEDIATE BROADCAST REQUESTED

SEVERE THUNDERSTORM WATCH NUMBER 466

NWS STORM PREDICTION CENTER NORMAN OK

150 PM CDT SAT JUN 30 2007



THE NWS STORM PREDICTION CENTER HAS ISSUED A

SEVERE THUNDERSTORM WATCH FOR PORTIONS OF



       SOUTHEAST ALABAMA

       PARTS OF THE FLORIDA PANHANDLE

       CENTRAL AND SOUTHERN GEORGIA

       SOUTH CAROLINA

       COASTAL WATERS



EFFECTIVE THIS SATURDAY AFTERNOON AND EVENING FROM 150 PM UNTIL

700 PM CDT.



HAIL TO 1 INCH 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 80

STATUTE MILES EITHER SIDE OF A LINE FROM 20 MILES WEST SOUTHWEST

OF MARIANNA FLORIDA TO 70 MILES EAST NORTHEAST OF COLUMBIA SOUTH

CAROLINA.  FOR A COMPLETE DEPICTION OF THE WATCH SEE THE

ASSOCIATED WATCH OUTLINE UPDATE (WOUS64 KWNS WOU6).



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 465...



DISCUSSION...TSTMS FORMING IN STEEP LOW LVL LAPSE RATE AXIS WITH

WEAK SHEAR/HI PWS WILL HAVE POTENTIAL TO PRODUCE WET MICROBURSTS AND

POSSIBLY MARGINALLY SVR HAIL THROUGH EARLY EVENING.  ACTIVITY IN SC

MAY HAVE A GREATER TENDENCY TO ORGANIZE INTO ONE OR TWO SE-MOVING

BANDS GIVEN TERRAIN FORCING AND SLIGHTLY STRONGER WNW MID LVL FLOW.



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

TO 1 INCH. EXTREME TURBULENCE AND SURFACE WIND GUSTS TO 60 KNOTS.

A FEW CUMULONIMBI WITH MAXIMUM TOPS TO 550. MEAN STORM MOTION

VECTOR 31015.





...CORFIDI

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