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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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