ABC 33/40 EWARN: Severe Weather Watch Notice

From ABC 33/40 E-Warn :

WWUS20 KWNS 210104
SEL1
SPC WW 210104
ALZ000-GAZ000-NCZ000-TNZ000-210700-

URGENT - IMMEDIATE BROADCAST REQUESTED
SEVERE THUNDERSTORM WATCH NUMBER 371
NWS STORM PREDICTION CENTER NORMAN OK
905 PM EDT SAT MAY 20 2006

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

NORTHEAST ALABAMA
NORTHERN GEORGIA
FAR WESTERN NORTH CAROLINA
SOUTHEAST TENNESSEE

EFFECTIVE THIS SATURDAY NIGHT AND SUNDAY MORNING FROM 905 PM
UNTIL 300 AM EDT.

HAIL TO 2 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 35
STATUTE MILES NORTH AND SOUTH OF A LINE FROM 25 MILES NORTH
NORTHWEST OF HUNTSVILLE ALABAMA TO 90 MILES EAST SOUTHEAST OF
CHATTANOOGA TENNESSEE. FOR A COMPLETE DEPICTION OF THE WATCH SEE
THE ASSOCIATED WATCH OUTLINE UPDATE (WOUS64 KWNS WOU1).

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...THIS SEVERE THUNDERSTORM WATCH REPLACES
SEVERE THUNDERSTORM WATCH NUMBER 366...SEVERE THUNDERSTORM WATCH
NUMBER 369. WATCH NUMBER 366 369 WILL NOT BE IN EFFECT AFTER 905
PM EDT. CONTINUE...WW 367...WW 368...WW 370...

DISCUSSION...ONGOING STORMS IN SE TN/N GA SHOULD CONTINUE FOR
ANOTHER FEW HOURS INVOF A STALLED FRONT...WHILE STORMS IN SRN MIDDLE
TN WILL MOVE INTO NRN AL LATER TONIGHT. INSTABILITY IS FOCUSED IN A
NARROW CORRIDOR ALONG THE BOUNDARY...WITH A MUCH DRIER AIR MASS TO
THE S ACROSS AL/GA. VERTICAL SHEAR WILL REMAIN FAVORABLE FOR
SUPERCELLS WITHIN THE WATCH AREA...WITH LARGE HAIL AND DAMAGING
WINDS THE PRIMARY SEVERE THREATS.

AVIATION...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 29025.

...THOMPSON

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