[BNAWX] Severe Local Storm Watch and Watch Cancellation

[EMWIN Server]

WWUS20 KWNS 242040
SEL4
SPC WW 242040
ARZ000-LAZ000-MOZ000-MSZ000-TNZ000-250400-

URGENT - IMMEDIATE BROADCAST REQUESTED
TORNADO WATCH NUMBER 14
NWS STORM PREDICTION CENTER NORMAN OK
235 PM CST THU FEB 24 2011

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

       PARTS OF EASTERN ARKANSAS
       SMALL PART OF NORTHEAST LOUISIANA
       SMALL PART OF SOUTHEASTERN MISSOURI
       MUCH OF NORTHERN MISSISSIPPI
       WESTERN AND PARTS OF MIDDLE TENNESSEE

EFFECTIVE THIS THURSDAY AFTERNOON AND EVENING FROM 235 PM UNTIL
1000 PM CST.

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 100 STATUTE
MILES EAST AND WEST OF A LINE FROM 40 MILES NORTH NORTHEAST OF
DYERSBURG TENNESSEE TO 50 MILES SOUTH SOUTHEAST OF GREENVILLE
MISSISSIPPI.  FOR A COMPLETE DEPICTION OF THE WATCH SEE THE
ASSOCIATED WATCH OUTLINE UPDATE (WOUS64 KWNS WOU4).

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 13...

DISCUSSION...INTENSIFYING SURFACE LOW OVER CENTRAL AR IN RESPONSE TO
STRONG S/W TROUGH APPROACHING FROM THE W.  E/W WARM FRONT STILL
MOVING NWD THRU NERN AR/WRN TN WITH WARM SECTOR AIR MASS NOW
UNSTABLE AND NEARLY UNCAPPED.  WITH VERY STRONG SHEAR PROFILES AND
LOW LEVEL CONVERGENCE POTENTIAL FOR SUPERCELLS/TORNADOES EXPECTED TO
DEVELOP EWD ACROSS THE WATCH AREA THRU THE EVENING.  POTENTIAL FOR
MORE DISCRETE STORMS TO DEVELOP ACROSS THE WARM SECTOR WHICH WOULD
LEAD TO GREATER THREAT OF TORNADOES PRIOR TO THE ARRIVAL OF A MORE
QLCS/WIND DAMAGE THREAT THAT IS EXPECTED TO EVOLVE BY THIS EVENING.

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
500. MEAN STORM MOTION VECTOR 24045.


...HALES

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