[BNAWX] Severe Local Storm Watch and Watch Cancellation

[EMWIN Server]

WWUS20 KWNS 082040
SEL1
SPC WW 082040
ARZ000-KYZ000-MOZ000-TNZ000-VAZ000-090400-

URGENT - IMMEDIATE BROADCAST REQUESTED
TORNADO WATCH NUMBER 271
NWS STORM PREDICTION CENTER NORMAN OK
440 PM EDT FRI MAY 8 2009

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

       PARTS OF NORTHEAST ARKANSAS
       SMALL PART OF SOUTHERN KENTUCKY
       BOOTHEEL OF MISSOURI
       MUCH  OF TENNESSEE
       SMALL PART OF WESTERN VIRGINIA

EFFECTIVE THIS FRIDAY AFTERNOON FROM 440 PM UNTIL MIDNIGHT EDT.

TORNADOES...HAIL TO 2 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 45 STATUTE
MILES NORTH AND SOUTH OF A LINE FROM 20 MILES SOUTH SOUTHWEST OF
WALNUT RIDGE ARKANSAS TO 35 MILES NORTHEAST OF BRISTOL TENNESSEE.
 FOR A COMPLETE DEPICTION OF THE WATCH SEE THE ASSOCIATED WATCH
OUTLINE UPDATE (WOUS64 KWNS WOU1).

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 267...WW 268...WW
269...WW 270...

DISCUSSION...STRONG VEERING SHEAR PROFILES COUPLE WITH A MDTLY
UNSTABLE VERY MOIST AIR MASS PROVIDING FAVORABLE CONDITIONS FOR
SUPERCELL DEVELOPMENT.  IN ADDITION TO LARGE HAIL...TORNADOES WILL
BE POSSIBLE ANY SUPERCELL BOTH ALONG OLD OUTFLOW BOUNDARY AND IN
WARM SECTOR.

AVIATION...TORNADOES AND 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
550. MEAN STORM MOTION VECTOR 24035.


...HALES


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