[BNAWX] Severe Local Storm Watch and Watch Cancellation

[EMWIN Server]

WWUS20 KWNS 270726
SEL5
SPC WW 270726
ALZ000-LAZ000-MSZ000-TNZ000-271300-

URGENT - IMMEDIATE BROADCAST REQUESTED
TORNADO WATCH NUMBER 225
NWS STORM PREDICTION CENTER NORMAN OK
225 AM CDT WED APR 27 2011

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

       NORTHERN AND WESTERN ALABAMA
       EXTREME NORTHEAST LOUISIANA
       CENTRAL AND NORTHEAST MISSISSIPPI
       SOUTHERN MIDDLE TENNESSEE

EFFECTIVE THIS WEDNESDAY MORNING FROM 225 AM UNTIL 800 AM CDT.

TORNADOES...HAIL TO 2 INCHES IN DIAMETER...THUNDERSTORM WIND
GUSTS TO 80 MPH...AND DANGEROUS LIGHTNING ARE POSSIBLE IN THESE
AREAS.

THE TORNADO WATCH AREA IS APPROXIMATELY ALONG AND 95 STATUTE
MILES EAST AND WEST OF A LINE FROM 25 MILES NORTH NORTHEAST OF
HUNTSVILLE ALABAMA TO 55 MILES EAST SOUTHEAST OF NATCHEZ
MISSISSIPPI.  FOR A COMPLETE DEPICTION OF THE WATCH SEE THE
ASSOCIATED WATCH OUTLINE UPDATE (WOUS64 KWNS WOU5).

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 222...WW 223...WW 224...

DISCUSSION...WELL-DEVELOPED LINEAR MCS WITH EMBEDDED BOW/SUPERCELL
STRUCTURES WILL LIKELY PERSIST THROUGH THE MORNING HOURS WHILE
PROGRESSING ENEWD FROM MS INTO WRN/NRN AL.  STRONG VERTICAL SHEAR
AND SUFFICIENT INSTABILITY WILL MAINTAIN THE CONVECTION...WITH A
CONTINUED RISK FOR A FEW TORNADOES...DAMAGING WINDS...AND LARGE
HAIL.

AVIATION...TORNADOES AND A FEW SEVERE THUNDERSTORMS WITH HAIL
SURFACE AND ALOFT TO 2 INCHES. EXTREME TURBULENCE AND SURFACE
WIND GUSTS TO 70 KNOTS. A FEW CUMULONIMBI WITH MAXIMUM TOPS TO
550. MEAN STORM MOTION VECTOR 25045.


...THOMPSON

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