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URGENT - IMMEDIATE BROADCAST REQUESTED

TORNADO WATCH NUMBER 148

NWS STORM PREDICTION CENTER NORMAN OK

305 AM EDT SAT APR 16 2011



THE NWS STORM PREDICTION CENTER HAS ISSUED A

TORNADO WATCH FOR PORTIONS OF



       SOUTHEAST ALABAMA

       THE FLORIDA PANHANDLE

       SOUTHWEST GEORGIA

       COASTAL WATERS



EFFECTIVE THIS SATURDAY MORNING FROM 305 AM UNTIL 1000 AM 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 105 STATUTE

MILES EAST AND WEST OF A LINE FROM 30 MILES NORTH OF ALBANY

GEORGIA TO 50 MILES SOUTHWEST OF PANAMA CITY FLORIDA.  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...THIS TORNADO WATCH REPLACES TORNADO

WATCH NUMBER 146. WATCH NUMBER 146 WILL NOT BE IN EFFECT AFTER

305 AM EDT. CONTINUE...WW 147...



DISCUSSION...PRE-FRONTAL TSTMS...INCLUDING A FEW SUSTAINED

STORMS/SUPERCELLS...EXPECTED TO CONTINUE MOVING ENE ACROSS SE AL AND

WRN PORTIONS OF THE FL PANHANDLE THROUGH LATER THIS MORNING.  OTHER

STORMS/POSSIBLE SUPERCELLS MAY FORM ALONG ERN EDGE OF LOW-LVL

MOISTURE AXIS ACROSS THE MIDDLE PART OF THE FL PANHANDLE INTO SW GA.

WIND PROFILES FAVORABLE FOR SUPERCELLS WITH LOW-LVL ROTATION ARE

ALREADY IN PLACE /PER AREA VWP DATA/...AND WIND FIELD MAY SOMEWHAT

STRENGTHEN AS JET STREAK IN BASE OF LARGE SCALE MID MS VLY TROUGH

CONTINUES E ACROSS THE GULF CST STATES LATER THIS MORNING.  COUPLED

WITH APPRECIABLE MOISTURE INFLOW OFF THE NERN GULF...SETUP MAY YIELD

TORNADOES IN ADDITION TO LOCALLY DMGG WIND/MARGINALLY SVR HAIL.



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 25035.





...CORFIDI

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