[BNAWX] Severe Local Storm Watch and Watch Cancellation

[EMWIN Server]

WWUS20 KWNS 201859
SEL8
SPC WW 201859
GAZ000-NCZ000-SCZ000-TNZ000-210200-

URGENT - IMMEDIATE BROADCAST REQUESTED
SEVERE THUNDERSTORM WATCH NUMBER 328
NWS STORM PREDICTION CENTER NORMAN OK
300 PM EDT TUE MAY 20 2008

THE NWS STORM PREDICTION CENTER HAS ISSUED A
SEVERE THUNDERSTORM WATCH FOR PORTIONS OF

       LARGE PORTION OF NORTHERN AND CENTRAL GEORGIA
       PARTS OF WESTERN NORTH CAROLINA
       LARGE PART OF WESTERN AND CENTRAL SOUTH CAROLINA
       PARTS OF EASTERN TENNESSEE

EFFECTIVE THIS TUESDAY AFTERNOON AND EVENING FROM 300 PM UNTIL
1000 PM EDT.

HAIL TO 2.5 INCHES IN DIAMETER...THUNDERSTORM WIND GUSTS TO 70
MPH...AND DANGEROUS LIGHTNING ARE POSSIBLE IN THESE AREAS.

THE SEVERE THUNDERSTORM WATCH AREA IS APPROXIMATELY ALONG AND 90
STATUTE MILES EITHER SIDE OF A LINE FROM 20 MILES SOUTHWEST OF
ROME GEORGIA TO 60 MILES NORTHEAST OF COLUMBIA SOUTH CAROLINA.
FOR A COMPLETE DEPICTION OF THE WATCH SEE THE ASSOCIATED WATCH
OUTLINE UPDATE (WOUS64 KWNS WOU8).

REMEMBER...A SEVERE THUNDERSTORM WATCH MEANS CONDITIONS ARE
FAVORABLE FOR 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. SEVERE THUNDERSTORMS CAN AND OCCASIONALLY
DO PRODUCE TORNADOES.

OTHER WATCH INFORMATION...CONTINUE...WW 327...

DISCUSSION...THUNDERSTORMS WILL INCREASE IN NUMBER AND INTENSITY
ALONG AND S OF E/W FRONTAL ZONE ACROSS ERN TN.  WITH THE AIR MASS
NOW MDTLY UNSTABLE AND UNCAPPED WITH STEEP LAPSE RATES AND 40-50KT
OF SHEAR...SEVERE THUNDERSTORMS WITH LARGE HAIL AND DAMAGING WINDS
WILL DEVELOP.

AVIATION...A FEW SEVERE THUNDERSTORMS WITH HAIL SURFACE AND ALOFT
TO 2.5 INCHES. EXTREME TURBULENCE AND SURFACE WIND GUSTS TO 60
KNOTS. A FEW CUMULONIMBI WITH MAXIMUM TOPS TO 550. MEAN STORM
MOTION VECTOR 26040.


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