ABC 33/40 EWARN: Severe Weather Watch Notice

From ABC 33/40 E-Warn :

WWUS20 KWNS 220053
SEL1
SPC WW 220053
ALZ000-LAZ000-MSZ000-220800-

URGENT - IMMEDIATE BROADCAST REQUESTED
SEVERE THUNDERSTORM WATCH NUMBER 71
NWS STORM PREDICTION CENTER NORMAN OK
655 PM CST THU FEB 21 2008

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

PARTS OF WESTERN ALABAMA
PARTS OF NORTHERN LOUISIANA
PARTS OF CENTRAL AND SOUTHERN MISSISSIPPI

EFFECTIVE THIS THURSDAY NIGHT AND FRIDAY MORNING FROM 655 PM
UNTIL 200 AM CST.

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 55
STATUTE MILES NORTH AND SOUTH OF A LINE FROM 40 MILES NORTH
NORTHWEST OF NATCHITOCHES LOUISIANA TO 75 MILES EAST OF MERIDIAN
MISSISSIPPI. 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...CONTINUE...WW 70...

DISCUSSION...00Z SOUNDINGS FROM JAN/SHV INDICATED FAVORABLE ELEVATED
SHEAR AND INSTABILITY FOR SEVERE THUNDERSTORMS. PRIMARY THREAT WILL
BE LARGE HAIL...HOWEVER SHORT LINES/BOWS ARE POSSIBLE GIVEN THE
STRONG MID/UPPER WIND FIELDS WITH ASSOCIATED DAMAGING WINDS.

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 450. MEAN STORM
MOTION VECTOR 24030.

...HALES

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