

988 

WWUS20 KWNS 250347

SEL1

SPC WW 250347

ALZ000-FLZ000-GAZ000-251100-



URGENT - IMMEDIATE BROADCAST REQUESTED

TORNADO WATCH NUMBER 101

NWS STORM PREDICTION CENTER NORMAN OK

1045 PM CDT SAT APR 24 2010



THE NWS STORM PREDICTION CENTER HAS ISSUED A

TORNADO WATCH FOR PORTIONS OF



       SOUTHEASTERN ALABAMA

       THE WESTERN AND CENTRAL FLORIDA PANHANDLE

       WESTERN GEORGIA



EFFECTIVE THIS SATURDAY NIGHT AND SUNDAY MORNING FROM 1045 PM

UNTIL 600 AM CDT.



TORNADOES...HAIL TO 1 INCH IN DIAMETER...THUNDERSTORM WIND GUSTS

TO 70 MPH...AND DANGEROUS LIGHTNING ARE POSSIBLE IN THESE AREAS.



THE TORNADO WATCH AREA IS APPROXIMATELY ALONG AND 90 STATUTE

MILES EAST AND WEST OF A LINE FROM 40 MILES NORTH OF MACON

GEORGIA TO 20 MILES SOUTH SOUTHWEST OF CRESTVIEW FLORIDA.  FOR A

COMPLETE DEPICTION OF THE WATCH SEE THE ASSOCIATED WATCH OUTLINE

UPDATE (WOUS64 KWNS WOU1).



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 98...WW 99...WW 100...



DISCUSSION...TSTMS ARE FORMING ALONG SSW-NNE LOW LVL CONFLUENCE ZONE

ACROSS THE WRN FL PANHANDLE AND SE AL.  THIS MAY REFLECT INCREASING

CONVERGENCE ALONG THE ZONE IN RESPONSE TO EWD SPREAD OF PRESSURE

FALLS ACROSS THE OH VLY WITH DEEPENING UPR TROUGH /REF MCD 385/.

STRENGTH OF LOW LVL SPEED/DIRECTIONAL SHEAR AND QUALITY OF MOISTURE

INFLOW SUGGEST A CONDITIONAL THREAT FOR TORNADOES WITH ANY UPDRAFTS

ABLE TO BECOME SUSTAINED AND ASSUME SUPERCELL CHARACTERISTICS.



AVIATION...TORNADOES AND 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 500.

MEAN STORM MOTION VECTOR 24040.





...CORFIDI

