

408 

WWUS20 KWNS 300905

SEL8

SPC WW 300905

ALZ000-FLZ000-CWZ000-301500-



URGENT - IMMEDIATE BROADCAST REQUESTED

TORNADO WATCH NUMBER 78

NWS STORM PREDICTION CENTER NORMAN OK

405 AM CDT WED MAR 30 2011



THE NWS STORM PREDICTION CENTER HAS ISSUED A

TORNADO WATCH FOR PORTIONS OF



       PARTS OF SOUTHWEST ALABAMA

       WESTERN PORTION OF FLORIDA PANHANDLE

       COASTAL WATERS



EFFECTIVE THIS WEDNESDAY MORNING FROM 405 AM UNTIL 1000 AM CDT.



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 55 STATUTE

MILES NORTH AND SOUTH OF A LINE FROM 40 MILES SOUTH SOUTHEAST OF

MARIANNA FLORIDA TO 5 MILES WEST NORTHWEST OF MOBILE ALABAMA.

FOR A COMPLETE DEPICTION OF THE WATCH SEE THE ASSOCIATED WATCH

OUTLINE UPDATE (WOUS64 KWNS WOU8).



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 76...



DISCUSSION...AIR MASS CONTINUES TO DESTABILIZE EWD AHEAD OF ACTIVE

THUNDERSTORMS MOVING INTO SWRN AL.  WITH VEERING SHEAR PROFILES AND

50KT BRN SHEAR...SUPERCELLS ARE LIKELY AS WELL AS SHORT LINE

SEGMENTS AS STORMS CONTINUE EWD ACROSS THE WATCH.  TORNADOS WILL BE

POSSIBLE WITH BOTH MODES OF STORMS ALONG WITH WIND DAMAGE.



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 27030.





...HALES

