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WWUS20 KWNS 141534

SEL0

SPC WW 141534

LAZ000-TXZ000-142200-



URGENT - IMMEDIATE BROADCAST REQUESTED

SEVERE THUNDERSTORM WATCH NUMBER 80

NWS STORM PREDICTION CENTER NORMAN OK

1035 AM CDT MON APR 14 2014



THE NWS STORM PREDICTION CENTER HAS ISSUED A



* SEVERE THUNDERSTORM WATCH FOR PORTIONS OF

  NORTHERN LOUISIANA

  CENTRAL AND EAST TEXAS



* EFFECTIVE THIS MONDAY MORNING AND AFTERNOON FROM 1035 AM UNTIL

  500 PM CDT.



* PRIMARY THREATS INCLUDE...

  SCATTERED LARGE HAIL AND ISOLATED VERY LARGE HAIL EVENTS TO 2

    INCHES IN DIAMETER POSSIBLE

  ISOLATED DAMAGING WIND GUSTS TO 70 MPH POSSIBLE



THE SEVERE THUNDERSTORM WATCH AREA IS APPROXIMATELY ALONG AND 90

STATUTE MILES EAST AND WEST OF A LINE FROM 35 MILES NORTHEAST OF

SHREVEPORT LOUISIANA TO 35 MILES SOUTH SOUTHEAST OF SAN ANTONIO

TEXAS.  FOR A COMPLETE DEPICTION OF THE WATCH SEE THE ASSOCIATED

WATCH OUTLINE UPDATE (WOUS64 KWNS WOU0).



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.



&&



DISCUSSION...SCATTERED THUNDERSTORMS ARE OCCURRING OVER EAST

TX...BEHIND A SURGING COLD FRONT.  DESPITE STABLE SURFACE

CONDITIONS...THERMODYNAMIC PARAMETERS WILL REMAIN FAVORABLE FOR

STRONG TO SEVERE STORMS FOR SEVERAL HOURS ACROSS THE WATCH AREA.

LARGE HAIL IS THE MAIN THREAT.



AVIATION...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 450. MEAN STORM

MOTION VECTOR 25030.





...HART

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