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416 

WWUS20 KWNS 042155

SEL5

SPC WW 042155

ALZ000-GAZ000-050400-



URGENT - IMMEDIATE BROADCAST REQUESTED

TORNADO WATCH NUMBER 95

NWS STORM PREDICTION CENTER NORMAN OK

455 PM CDT MON APR 4 2011



THE NWS STORM PREDICTION CENTER HAS ISSUED A

TORNADO WATCH FOR PORTIONS OF



       CENTRAL ALABAMA

       NORTHERN GEORGIA



EFFECTIVE THIS MONDAY AFTERNOON AND EVENING FROM 455 PM UNTIL

1100 PM 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 80 STATUTE

MILES EAST AND WEST OF A LINE FROM 65 MILES NORTHEAST OF ROME

GEORGIA TO 25 MILES SOUTH SOUTHWEST OF SELMA ALABAMA.  FOR A

COMPLETE DEPICTION OF THE WATCH SEE THE ASSOCIATED WATCH OUTLINE

UPDATE (WOUS64 KWNS WOU5).



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 91...WW 93...WW 94...



DISCUSSION...AN INTENSE LINE OF THUNDERSTORMS IS TRACKING ACROSS

PORTIONS OF MS/AL WHERE MODERATE INSTABILITY AND STRONG SHEAR IS

PRESENT.  DAMAGING WINDS AND HAIL ARE THE MAIN THREAT.

HOWEVER...STRONG SURFACE PRESSURE FALLS IN THE WARM SECTOR COUPLED

WITH FAVORABLE LOW LEVEL VERTICAL SHEAR WILL PROMOTE SUPERCELLS

CAPABLE OF TORNADOES.  STRONG TORNADOES CANNOT BE RULED

OUT...ESPECIALLY OVER THE AL PORTION OF THE WATCH THIS EVENING.



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 26040.





...HART

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