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WWUS20 KWNS 132215
SEL6
SPC WW 132215
ARZ000-LAZ000-OKZ000-TXZ000-140500-

URGENT - IMMEDIATE BROADCAST REQUESTED
TORNADO WATCH NUMBER 76
NWS STORM PREDICTION CENTER NORMAN OK
515 PM CDT SUN APR 13 2014

THE NWS STORM PREDICTION CENTER HAS ISSUED A

* TORNADO WATCH FOR PORTIONS OF
  SOUTHWESTERN ARKANSAS
  NORTHWESTERN LOUISIANA
  EXTREME SOUTHEASTERN OKLAHOMA
  CENTRAL....NORTH-CENTRAL AND NORTHEAST TEXAS

* EFFECTIVE THIS SUNDAY AFTERNOON FROM 515 PM UNTIL MIDNIGHT CDT.

* PRIMARY THREATS INCLUDE...
  A FEW TORNADOES POSSIBLE
  SCATTERED LARGE HAIL AND ISOLATED VERY LARGE HAIL EVENTS TO 3
    INCHES IN DIAMETER POSSIBLE
  ISOLATED SIGNIFICANT DAMAGING WIND GUSTS TO 75 MPH POSSIBLE

THE TORNADO WATCH AREA IS APPROXIMATELY ALONG AND 150 STATUTE
MILES EAST AND WEST OF A LINE FROM 20 MILES SOUTH SOUTHWEST OF
WACO TEXAS TO 20 MILES NORTH NORTHEAST OF TEXARKANA ARKANSAS.
FOR A COMPLETE DEPICTION OF THE WATCH SEE THE ASSOCIATED WATCH
OUTLINE UPDATE (WOUS64 KWNS WOU6).

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 73...WW 74...WW 75...

DISCUSSION...SVR POTENTIAL EXPECTED TO INCREASE ACROSS THIS REGION
DURING NEXT FEW HOURS AS HODOGRAPHS ENLARGE...WITH DISCRETE
SUPERCELLS...CLUSTERS AND LINEAR/MIXED STORM MODES ALL POSSIBLE.
INSTABILITY FIELDS WILL RANGE FROM MARGINAL TO FAVORABLE IN PATCHY
FASHION...BASED ON RATES OF RECOVERY FROM EARLIER CLOUD/PRECIP PLUME
THAT HAD BEEN OVER CENTRAL/N TX.  THAT PLUME -- NOW OVER PORTIONS
ARKLATEX REGION -- ALSO MAY CONTINUE TO SPAWN ISOLATED/EMBEDDED
SUPERCELLS AS IT SHIFTS NEWD.  DRYLINE/COLD-FRONTAL SVR THREAT WILL
SHIFT INTO THIS SAME AREA LATER THIS EVENING.

AVIATION...TORNADOES AND A FEW SEVERE THUNDERSTORMS WITH HAIL
SURFACE AND ALOFT TO 3 INCHES. EXTREME TURBULENCE AND SURFACE
WIND GUSTS TO 65 KNOTS. A FEW CUMULONIMBI WITH MAXIMUM TOPS TO
500. MEAN STORM MOTION VECTOR 27030.


...EDWARDS




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