

739 

WWUS20 KWNS 200143

SEL6

SPC WW 200143

ALZ000-200600-



URGENT - IMMEDIATE BROADCAST REQUESTED

TORNADO WATCH NUMBER 176

NWS STORM PREDICTION CENTER NORMAN OK

845 PM CDT SUN APR 19 2009



THE NWS STORM PREDICTION CENTER HAS ISSUED A

TORNADO WATCH FOR PORTIONS OF



       PARTS OF CENTRAL AND EASTERN ALABAMA



EFFECTIVE THIS SUNDAY NIGHT AND MONDAY MORNING FROM 845 PM UNTIL

100 AM CDT.



TORNADOES...HAIL TO 2 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 70 STATUTE

MILES EITHER SIDE OF A LINE FROM 30 MILES NORTH NORTHWEST OF LA

GRANGE GEORGIA TO 15 MILES SOUTH SOUTHWEST OF SELMA ALABAMA.  FOR

A COMPLETE DEPICTION OF THE WATCH SEE THE ASSOCIATED WATCH

OUTLINE UPDATE (WOUS64 KWNS WOU6).



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 173. WATCH NUMBER 173 WILL NOT BE IN EFFECT AFTER

845 PM CDT. CONTINUE...WW 174...WW 175...



DISCUSSION...SEVERE THUNDERSTORMS INCLUDING SUPERCELLS CONTINUE TO

DEVELOP AND MOVE EWD AHEAD OF UPPER TROUGH AND COLD FRONT

APPROACHING AL.  THE THREAT OF TORNADOES WILL CONTINUE UNTIL LATER

THIS EVENING WHEN THE AIR MASS EXPECTED TO EVENTUALLY BECOME MORE

STABLE AND STRONG DEEP LAYER SHEAR SLOWLY WEAKENS.



AVIATION...TORNADOES AND A FEW SEVERE THUNDERSTORMS WITH HAIL

SURFACE AND ALOFT TO 2 INCHES. EXTREME TURBULENCE AND SURFACE

WIND GUSTS TO 60 KNOTS. A FEW CUMULONIMBI WITH MAXIMUM TOPS TO

500. MEAN STORM MOTION VECTOR 24030.





...HALES

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