[BNAWX] Severe Local Storm Watch and Watch Cancellation

[EMWIN Server]

WWUS20 KWNS 181311
SEL1
SPC WW 181311
ALZ000-KYZ000-MSZ000-TNZ000-182000-

URGENT - IMMEDIATE BROADCAST REQUESTED
SEVERE THUNDERSTORM WATCH NUMBER 51...RESENT
NWS STORM PREDICTION CENTER NORMAN OK
810 AM CDT MON MAR 18 2013

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

       NORTHERN ALABAMA
       EXTREME SOUTHERN KENTUCKY
       NORTHEASTERN MISSISSIPPI
       MIDDLE AND PARTS OF EASTERN TENNESSEE

EFFECTIVE THIS MONDAY MORNING AND AFTERNOON FROM 810 AM UNTIL 300
PM CDT.

HAIL TO 1.5 INCHES IN DIAMETER...THUNDERSTORM WIND GUSTS TO 75
MPH...AND DANGEROUS LIGHTNING ARE POSSIBLE IN THESE AREAS.

THE SEVERE THUNDERSTORM WATCH AREA IS APPROXIMATELY ALONG AND 80
STATUTE MILES EAST AND WEST OF A LINE FROM 30 MILES SOUTH OF
TUPELO MISSISSIPPI TO 50 MILES NORTH NORTHWEST OF CROSSVILLE
TENNESSEE.  FOR A COMPLETE DEPICTION OF THE WATCH SEE THE
ASSOCIATED WATCH OUTLINE UPDATE (WOUS64 KWNS WOU1).

REMEMBER...A SEVERE THUNDERSTORM WATCH MEANS CONDITIONS ARE
FAVORABLE FOR 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. SEVERE THUNDERSTORMS CAN AND OCCASIONALLY
DO PRODUCE TORNADOES.

DISCUSSION...BAND OF STG-SVR CONVECTION FROM VICINITY TN/KY BORDER
SSWWD TO NRN MS IS BECOMING BETTER ORGANIZED.  EXPECT CORRESPONDING
INCREASE IN SVR POTENTIAL AS ACTIVITY ENCOUNTERS BOUNDARY LAYER THAT
WILL BECOME INCREASINGLY UNSTABLE WITH TIME...AND WILL CONTAIN MORE
SFC-BASED EFFECTIVE INFLOW PARCELS.  DEEP SHEAR WILL REMAIN
FAVORABLE FOR PRIMARY THREAT OF DAMAGING WIND...AND OCNL HAIL ALSO
IS POSSIBLE.  BRIEF QLCS TORNADO CANNOT BE RULED OUT.

AVIATION...A FEW SEVERE THUNDERSTORMS WITH HAIL SURFACE AND ALOFT
TO 1.5 INCHES. EXTREME TURBULENCE AND SURFACE WIND GUSTS TO 65
KNOTS. A FEW CUMULONIMBI WITH MAXIMUM TOPS TO 450. MEAN STORM
MOTION VECTOR 25035.


...EDWARDS

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