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WWUS20 KWNS 081741

SEL8

SPC WW 081741

ALZ000-GAZ000-MSZ000-TNZ000-082300-



URGENT - IMMEDIATE BROADCAST REQUESTED

TORNADO WATCH NUMBER 278

NWS STORM PREDICTION CENTER NORMAN OK

1240 PM CDT THU MAY 8 2008



THE NWS STORM PREDICTION CENTER HAS ISSUED A

TORNADO WATCH FOR PORTIONS OF



       CENTRAL AND NORTHERN ALABAMA

       NORTHWEST GEORGIA

       EAST CENTRAL MISSISSIPPI

       SOUTHEAST TENNESSEE



EFFECTIVE THIS THURSDAY AFTERNOON AND EVENING FROM 1240 PM UNTIL

600 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 75 STATUTE

MILES EAST AND WEST OF A LINE FROM 40 MILES EAST OF PINE BELT

MISSISSIPPI TO 25 MILES NORTH NORTHWEST OF CHATTANOOGA TENNESSEE.

 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 277...



DISCUSSION...SQUALL LINE CONTINUES TO TRACK EASTWARD ACROSS NORTHERN

AL...WITH EMBEDDED CIRCULATIONS CAPABLE OF DAMAGING WINDS AND

TORNADOES.  FARTHER SOUTH...ISOLATED STORMS ARE EXPECTED TO DEVELOP

IN THE NEXT FEW HOURS AHEAD OF THE MAIN LINE.  THESE STORMS MAY

BECOME SUPERCELLS WITH A RISK OF TORNADOES...LARGE HAIL...AND

DAMAGING WINDS.  THERE IS SOME POTENTIAL FOR STRONG TORNADOES IN

THIS REGION AS WELL.



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

450. MEAN STORM MOTION VECTOR 26030.





...HART

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