

004 

WWUS20 KWNS 241922

SEL9

SPC WW 241922

ARZ000-MOZ000-OKZ000-250300-



URGENT - IMMEDIATE BROADCAST REQUESTED

SEVERE THUNDERSTORM WATCH NUMBER 89

NWS STORM PREDICTION CENTER NORMAN OK

225 PM CDT THU APR 24 2014



THE NWS STORM PREDICTION CENTER HAS ISSUED A



* SEVERE THUNDERSTORM WATCH FOR PORTIONS OF

  WESTERN ARKANSAS

  SOUTHERN AND CENTRAL MISSOURI

  EASTERN OKLAHOMA



* EFFECTIVE THIS THURSDAY AFTERNOON AND EVENING FROM 225 PM UNTIL

  1000 PM CDT.



* PRIMARY THREATS INCLUDE...

  WIDESPREAD LARGE HAIL LIKELY WITH ISOLATED VERY LARGE HAIL

    EVENTS TO 2 INCHES IN DIAMETER POSSIBLE

  ISOLATED DAMAGING WIND GUSTS TO 70 MPH POSSIBLE

  A TORNADO OR TWO POSSIBLE



THE SEVERE THUNDERSTORM WATCH AREA IS APPROXIMATELY ALONG AND 65

STATUTE MILES EAST AND WEST OF A LINE FROM 10 MILES EAST

NORTHEAST OF COLUMBIA MISSOURI TO 55 MILES SOUTH SOUTHWEST OF

POTEAU OKLAHOMA.  FOR A COMPLETE DEPICTION OF THE WATCH SEE THE

ASSOCIATED WATCH OUTLINE UPDATE (WOUS64 KWNS WOU9).



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...TSTMS...INCLUDING A FEW SUSTAINED STORMS/SUPERCELLS IN

ERN OK/WRN AR...EXPECTED TO INCREASE IN COVERAGE/STRENGTH ALONG AND

AHEAD OF COLD FRONT ASSOCIATED WITH POTENT...PROGRESSIVE  NE OK UPR

VORT.



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 500. MEAN STORM

MOTION VECTOR 25030.





...CORFIDI

