[BNAWX] Severe Local Storm Watch and Watch Cancellation

[EMWIN Server]

WWUS20 KWNS 111533
SEL8
SPC WW 111533
ARZ000-KYZ000-MSZ000-TNZ000-112200-

URGENT - IMMEDIATE BROADCAST REQUESTED
TORNADO WATCH NUMBER 128
NWS STORM PREDICTION CENTER NORMAN OK
1030 AM CDT MON APR 11 2011

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

       PARTS OF EASTERN ARKANSAS
       PARTS OF SOUTH CENTRAL KENTUCKY
       MUCH OF NORTHERN MISSISSIPPI
       PARTS OF CENTRAL AND MIDDLE TENNESSEE

EFFECTIVE THIS MONDAY MORNING AND AFTERNOON FROM 1030 AM UNTIL
500 PM CDT.

TORNADOES...HAIL TO 1.5 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 90 STATUTE
MILES EAST AND WEST OF A LINE FROM 25 MILES SOUTHEAST OF
MONTICELLO ARKANSAS TO 60 MILES EAST NORTHEAST OF BOWLING GREEN
KENTUCKY.  FOR A COMPLETE DEPICTION OF THE WATCH SEE THE
ASSOCIATED WATCH OUTLINE UPDATE (WOUS64 KWNS WOU8).

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.

DISCUSSION...STRONG S/WV TROUGH AND ASSOCIATED WIND FIELD ROTATING
EWD ACROSS LWR MS VALLEY THIS AFTERNOON DEVELOPING A SURFACE WAVE ON
FRONTAL ZONE SRN AR.  STRONG HEATING WILL INCREASE INSTABILITY EWD
AHEAD OF ONGOING CONVECTION ACROSS THE WATCH.  THUNDERSTORMS
INCREASING ACROSS CENTRAL SRN AR WILL MOVE RAPIDLY NEWD AHEAD OF THE
SURFACE LOW WITH AN ENHANCED WIND PROFILE SUPPORTING BOTH DAMAGING
WINDS AND POSSIBLE TORNADOES THRU THE AFTERNOON.

AVIATION...TORNADOES AND A FEW SEVERE THUNDERSTORMS WITH HAIL
SURFACE AND ALOFT TO 1.5 INCHES. EXTREME TURBULENCE AND SURFACE
WIND GUSTS TO 70 KNOTS. A FEW CUMULONIMBI WITH MAXIMUM TOPS TO
500. MEAN STORM MOTION VECTOR 24040.


...HALES

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