[BNAWX] Severe Local Storm Watch and Watch Cancellation

[EMWIN Server]

WWUS20 KWNS 140408
SEL8
SPC WW 140408
ARZ000-LAZ000-MSZ000-OKZ000-TNZ000-TXZ000-141100-

URGENT - IMMEDIATE BROADCAST REQUESTED
SEVERE THUNDERSTORM WATCH NUMBER 78
NWS STORM PREDICTION CENTER NORMAN OK
1110 PM CDT SUN APR 13 2014

THE NWS STORM PREDICTION CENTER HAS ISSUED A

* SEVERE THUNDERSTORM WATCH FOR PORTIONS OF
  SOUTHERN AND EASTERN ARKANSAS
  NORTHWESTERN LOUISIANA
  NORTHERN MISSISSIPPI
  EXTREME SOUTHEASTERN OKLAHOMA
  WESTERN TENNESSEE
  NORTHEAST TEXAS

* EFFECTIVE THIS SUNDAY NIGHT AND MONDAY MORNING FROM 1110 PM
  UNTIL 600 AM CDT.

* PRIMARY THREATS INCLUDE...
  SCATTERED DAMAGING WINDS AND ISOLATED SIGNIFICANT GUSTS TO 75
    MPH POSSIBLE
  ISOLATED LARGE HAIL EVENTS TO 1.5 INCHES IN DIAMETER POSSIBLE
  A TORNADO OR TWO POSSIBLE

THE SEVERE THUNDERSTORM WATCH AREA IS APPROXIMATELY ALONG AND 90
STATUTE MILES EAST AND WEST OF A LINE FROM 50 MILES WEST OF
SHREVEPORT LOUISIANA TO 30 MILES WEST NORTHWEST OF JACKSON
TENNESSEE.  FOR A COMPLETE DEPICTION OF THE WATCH SEE THE
ASSOCIATED WATCH OUTLINE UPDATE (WOUS64 KWNS WOU8).

PRECAUTIONARY/PREPAREDNESS ACTIONS...

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.

&&

OTHER WATCH INFORMATION...THIS SEVERE THUNDERSTORM WATCH REPLACES
TORNADO WATCH NUMBER 76. WATCH NUMBER 76 WILL NOT BE IN EFFECT
AFTER 1110 PM CDT. CONTINUE...WW 75...WW 77...

DISCUSSION...TWO PRIMARY TSTM COMPLEXES WILL MOVE ACROSS WW AREA
OVERNIGHT AMIDST FAVORABLE DEEP SHEAR...
1. INITIAL SMALL QLCS THAT WILL OFFER ADDITIONAL DAMAGING-WIND
THREAT AS IT MOVES ACROSS PROGRESSIVELY WEAKER INSTABILITY IN WRN
TN...BEFORE WEAKENING...AND
2. LARGER/NEAR-FRONTAL QLCS THAT WILL MOVE ACROSS ARKLATEX REGION
AND CENTRAL/ERN AR...ALSO POTENTIALLY PRODUCING DAMAGING WIND.
BRIEF/QLCS TORNADO ALSO CANNOT BE RULED OUT BUT IS NOT PRIMARY
THREAT.  AIR MASS BEHIND WRN TN ACTIVITY MAY RECOVER N OF I-40 IN
LOW-LEVEL WAA ZONE...AND AT LEAST MRGL BUOYANCY IS EXPECTED TO
LINGER FARTHER SW ALONG/AHEAD OF COLD FRONT.

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 500. MEAN STORM
MOTION VECTOR 26035.


...EDWARDS

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