[BNAWX] Severe Local Storm Watch and Watch Cancellation

[EMWIN Server]

WWUS20 KWNS 132041
SEL0
SPC WW 132041
ALZ000-TNZ000-140500-

URGENT - IMMEDIATE BROADCAST REQUESTED
TORNADO WATCH NUMBER 540
NWS STORM PREDICTION CENTER NORMAN OK
340 PM CDT MON OCT 13 2014

THE NWS STORM PREDICTION CENTER HAS ISSUED A

* TORNADO WATCH FOR PORTIONS OF
  WESTERN...CENTRAL...AND NORTHERN ALABAMA
  MIDDLE TENNESSEE

* EFFECTIVE THIS MONDAY AFTERNOON FROM 340 PM UNTIL MIDNIGHT CDT.

* PRIMARY THREATS INCLUDE...
  A FEW TORNADOES LIKELY
  SCATTERED DAMAGING WIND GUSTS TO 70 MPH POSSIBLE
  ISOLATED LARGE HAIL EVENTS TO 1 INCH IN DIAMETER POSSIBLE

THE TORNADO WATCH AREA IS APPROXIMATELY ALONG AND 70 STATUTE
MILES EAST AND WEST OF A LINE FROM 35 MILES NORTH OF NASHVILLE
TENNESSEE TO 25 MILES SOUTHWEST OF SELMA ALABAMA.  FOR A COMPLETE
DEPICTION OF THE WATCH SEE THE ASSOCIATED WATCH OUTLINE UPDATE
(WOUS64 KWNS WOU0).

PRECAUTIONARY/PREPAREDNESS ACTIONS...

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 535...WW 536...WW
537...WW 538...WW 539...

DISCUSSION...SVR WEATHER THREAT EXPECTED TO INCREASE IN WW AREA
THROUGH LATE EVE...BOTH FROM SLOWLY-PROGRESSIVE WRN TN/CNTRL MS
SQLN...AND FROM STORMS FORMING AHEAD OF LINE IN
WEAKLY-CAPPED...MOIST...CONFLUENT LOW-LVL FLOW. LARGE-SCALE ASCENT
AND SSWLY DEEP SHEAR BOTH WILL FURTHER INCREASE OVER THE REGION
AHEAD OF SRN PLNS UPR TROUGH...AND SLY LOW-LVL FLOW WILL CONTINUE.
THESE PROCESSES WILL SOMEWHAT OFFSET MITIGATING FACTORS POSED BY
SUNSET AND BY LOCALIZED STABILIZATION OCCURRING IN WAKE OF CURRENT
TSTMS IN CNTRL AL.

AVIATION...TORNADOES AND A FEW SEVERE THUNDERSTORMS WITH HAIL
SURFACE AND ALOFT TO 1 INCH. EXTREME TURBULENCE AND SURFACE WIND
GUSTS TO 60 KNOTS. A FEW CUMULONIMBI WITH MAXIMUM TOPS TO 500.
MEAN STORM MOTION VECTOR 21040.


...CORFIDI


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