[BNAWX] Severe Local Storm Watch and Watch Cancellation

[EMWIN Server]

WWUS20 KWNS 151948
SEL2
SPC WW 151948
ARZ000-MOZ000-TNZ000-152300-

URGENT - IMMEDIATE BROADCAST REQUESTED
TORNADO WATCH NUMBER 422
NWS STORM PREDICTION CENTER NORMAN OK
250 PM CDT MON JUN 15 2009

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

       PARTS OF NORTHEAST ARKANSAS
       SMALL PART OF SOUTHEAST MISSOURI
       PARTS OF WESTERN AND MIDDLE TENNESSEE

EFFECTIVE THIS MONDAY AFTERNOON AND EVENING FROM 250 PM UNTIL 600
PM CDT.

TORNADOES...HAIL TO 2.5 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 45 STATUTE
MILES NORTH AND SOUTH OF A LINE FROM 20 MILES NORTHWEST OF WALNUT
RIDGE ARKANSAS TO 100 MILES EAST OF JACKSON TENNESSEE.  FOR A
COMPLETE DEPICTION OF THE WATCH SEE THE ASSOCIATED WATCH OUTLINE
UPDATE (WOUS64 KWNS WOU2).

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 419...WW 420...WW 421...

DISCUSSION...INTENSE THUNDERSTORMS HAVE DEVELOP ALONG E/W BOUNDARY
ACROSS THE WATCH AREA.  WITH MLCAPES AOA 3500 J/KG COMBINED WITH
30-40KT EFFECTIVE SHEAR...SUPERCELLS ALONG WITH POTENTIAL TORNADOES
ARE EXPECTED VICINITY BOUNDARY,

AVIATION...TORNADOES AND A FEW SEVERE THUNDERSTORMS WITH HAIL
SURFACE AND ALOFT TO 2.5 INCHES. EXTREME TURBULENCE AND SURFACE
WIND GUSTS TO 70 KNOTS. A FEW CUMULONIMBI WITH MAXIMUM TOPS TO
600. MEAN STORM MOTION VECTOR 29025.


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