

085 

WWUS20 KWNS 281421

SEL9

SPC WW 281421

ALZ000-FLZ000-GAZ000-CWZ000-282200-



URGENT - IMMEDIATE BROADCAST REQUESTED

TORNADO WATCH NUMBER 89

NWS STORM PREDICTION CENTER NORMAN OK

1020 AM EDT SAT MAR 28 2009



THE NWS STORM PREDICTION CENTER HAS ISSUED A

TORNADO WATCH FOR PORTIONS OF



       EXTREME SOUTHEAST ALABAMA

       THE FLORIDA PANHANDLE

       SOUTHWEST AND CENTRAL GEORGIA

       COASTAL WATERS



EFFECTIVE THIS SATURDAY MORNING AND EVENING FROM 1020 AM UNTIL

600 PM EDT.



TORNADOES...HAIL TO 1.5 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 70 STATUTE

MILES EAST AND WEST OF A LINE FROM 35 MILES EAST NORTHEAST OF

MACON GEORGIA TO 45 MILES WEST SOUTHWEST OF APALACHICOLA FLORIDA.

 FOR A COMPLETE DEPICTION OF THE WATCH SEE THE ASSOCIATED WATCH

OUTLINE UPDATE (WOUS64 KWNS WOU9).



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 87. WATCH NUMBER 87 WILL NOT BE IN EFFECT AFTER 1020

AM EDT.



DISCUSSION...A LARGE MCS WITH EMBEDDED BOW ECHOES/SUPERCELLS WILL

CONTINUE TO MOVE ENEWD IN ASSOCIATION WITH A WEAK MESOLOW IN SW

GA...AND A WARM FRONT LIFTING SLOWLY NWD FROM SRN INTO CENTRAL GA.

A FEED OF MID-UPPER 60S DEWPOINTS FROM THE NE GULF OF MEXICO WILL

MAINTAIN SUFFICIENT INSTABILITY FOR STRONG UPDRAFTS...WHILE

LOW-LEVEL AND DEEP LAYER SHEAR WILL REMAIN STRONG ENOUGH TO SUPPORT

A THREAT FOR DAMAGING WINDS AND A COUPLE OF TORNADOES THROUGH THIS

AFTERNOON.



AVIATION...TORNADOES AND 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 24035.





...THOMPSON

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