[BNAWX] Severe Local Storm Watch and Watch Cancellation

[EMWIN Server]

WWUS20 KWNS 140700
SEL5
SPC WW 140700
ARZ000-LAZ000-MOZ000-MSZ000-TNZ000-141500-

URGENT - IMMEDIATE BROADCAST REQUESTED
TORNADO WATCH NUMBER 905
NWS STORM PREDICTION CENTER NORMAN OK
155 AM CDT SUN SEP 14 2008

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

       EASTERN ARKANSAS
       CENTRAL AND NORTHEASTERN LOUISIANA
       THE MISSOURI BOOTHEEL
       WESTERN MISSISSIPPI
       WESTERN TENNESSEE

EFFECTIVE THIS SUNDAY MORNING FROM 155 AM UNTIL 1000 AM CDT.

TORNADOES...HAIL TO 0.5 INCH IN DIAMETER...THUNDERSTORM WIND
GUSTS TO 70 MPH...AND DANGEROUS LIGHTNING ARE POSSIBLE IN THESE
AREAS.

THE TORNADO WATCH AREA IS APPROXIMATELY ALONG AND 55 STATUTE
MILES EAST AND WEST OF A LINE FROM 45 MILES SOUTH SOUTHEAST OF
FORT POLK LOUISIANA TO 35 MILES NORTH NORTHWEST OF DYERSBURG
TENNESSEE.  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...THIS TORNADO WATCH REPLACES TORNADO
WATCH NUMBER 904. WATCH NUMBER 904 WILL NOT BE IN EFFECT AFTER
155 AM CDT.

DISCUSSION...LEADING EDGE OF STRONGER ASCENT ASSOCIATED WITH
EJECTION OF T.D. IKE WILL IMPACT THE DELTA REGION OF AR/MS NWD INTO
THE MO BOOTHEEL AND WRN TN THROUGH DAWN.  ALTHOUGH BUOYANCY WILL
REMAIN LIMITED BY WARM MID LVL TEMPS...MAGNITUDE OF LOW LVL
SPEED/DIRECTIONAL SHEAR AND RECENT UPTURN IN STRENGTH OF SHOWERS IN
ERN AR SUGGEST POTENTIAL FOR ISOLD TORNADOES GIVEN MOIST
ENVIRONMENT.  FARTHER S INTO CNTRL LA...ISOLD TORNADOES AND/OR ISOLD
STORMS WITH LOCALLY DMGG WIND MAY OCCUR ALONG RESIDUAL AXIS OF LOW
LVL CONVERGENCE...WHERE SLIGHTLY GREAT BUOYANCY BUT WEAKENING SHEAR
WILL EXIST.

AVIATION...TORNADOES AND A FEW SEVERE THUNDERSTORMS WITH HAIL
SURFACE AND ALOFT TO 0.5 INCH. EXTREME TURBULENCE AND SURFACE
WIND GUSTS TO 60 KNOTS. A FEW CUMULONIMBI WITH MAXIMUM TOPS TO
350. MEAN STORM MOTION VECTOR 19040.


...CORFIDI


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