

074 

WWUS20 KWNS 131632

SEL0

SPC WW 131632

FLZ000-GAZ000-CWZ000-132300-



URGENT - IMMEDIATE BROADCAST REQUESTED

TORNADO WATCH NUMBER 150

NWS STORM PREDICTION CENTER NORMAN OK

1235 PM EDT MON APR 13 2009



THE NWS STORM PREDICTION CENTER HAS ISSUED A

TORNADO WATCH FOR PORTIONS OF



       NORTHERN FLORIDA

       SOUTHEASTERN GEORGIA

       COASTAL WATERS



EFFECTIVE THIS MONDAY AFTERNOON AND EVENING FROM 1235 PM UNTIL

700 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 60 STATUTE

MILES NORTH AND SOUTH OF A LINE FROM 20 MILES WEST NORTHWEST OF

VALDOSTA GEORGIA TO 45 MILES EAST OF BRUNSWICK GEORGIA.  FOR A

COMPLETE DEPICTION OF THE WATCH SEE THE ASSOCIATED WATCH OUTLINE

UPDATE (WOUS64 KWNS WOU0).



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...CONTINUE...WW 149...



DISCUSSION...SURFACE WARM FRONT CONTINUES TO LIFT NWD INTO SERN GA

LATE THIS MORNING...AND SHOULD SUPPORT MODEST SURFACE-BASED

INSTABILITY AHEAD OF BROKEN LINE OF SUPERCELLS/SMALL BOW ECHOES

MOVING EWD.  SHEAR REMAINS QUITE STRONG AND WILL SUPPORT THREATS OF

TORNADOES AND DAMAGING WINDS...ALONG WITH ISOLATED LARGE HAIL...WITH

THE STRONGER STORMS.  VERY HEAVY RAINFALL WILL BE AN ADDITIONAL

HAZARD.



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 26035.





...EVANS

