

431 

WWUS20 KWNS 060240

SEL6

SPC WW 060240

ARZ000-MOZ000-OKZ000-061000-



URGENT - IMMEDIATE BROADCAST REQUESTED

SEVERE THUNDERSTORM WATCH NUMBER 236

NWS STORM PREDICTION CENTER NORMAN OK

940 PM CDT THU JUN 5 2014



THE NWS STORM PREDICTION CENTER HAS ISSUED A



* SEVERE THUNDERSTORM WATCH FOR PORTIONS OF

  NORTHWEST ARKANSAS

  SOUTHWEST MISSOURI

  NORTHERN OKLAHOMA



* EFFECTIVE THIS THURSDAY NIGHT AND FRIDAY MORNING FROM 940 PM

  UNTIL 500 AM CDT.



* PRIMARY THREATS INCLUDE...

  SCATTERED LARGE HAIL AND ISOLATED VERY LARGE HAIL EVENTS TO 2.5

    INCHES IN DIAMETER POSSIBLE

  ISOLATED SIGNIFICANT DAMAGING WIND GUSTS TO 75 MPH POSSIBLE



THE SEVERE THUNDERSTORM WATCH AREA IS APPROXIMATELY ALONG AND 35

STATUTE MILES NORTH AND SOUTH OF A LINE FROM 40 MILES WEST

NORTHWEST OF ENID OKLAHOMA TO 50 MILES SOUTHEAST OF MONETT

MISSOURI.  FOR A COMPLETE DEPICTION OF THE WATCH SEE THE

ASSOCIATED WATCH OUTLINE UPDATE (WOUS64 KWNS WOU6).



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...CONTINUE...WW 233...WW 235...



DISCUSSION...TSTMS NOW FORMING ALONG AND JUST N OF STALLED W-E FRONT

MAY INCREASE IN STRENGTH AND COVERAGE AS MOIST...SLY 0-1 KM FLOW

NOCTURNALLY VEERS AND SOMEWHAT STRENGTHENS. GIVEN DEGREE OF

POTENTIAL BUOYANCY ON AREA 00Z SOUNDINGS...AND PRESENCE OF MODERATE

WLY CLOUD-LAYER SHEAR...SETUP COULD YIELD OCCASIONAL SUPERCELLS AND

OTHER SUSTAINED UPDRAFTS CAPABLE OF LARGE HAIL...SVR WIND

GUSTS...AND POSSIBLY A TORNADO. STORMS SHOULD HAVE A TENDENCY TO

MOVE/DEVELOP GENERALLY EWD AND MERGE INTO A BROKEN BAND WITH

TIME...ALTHOUGH SOME BACK-BUILDING/WWD DEVELOPMENT CANNOT BE RULED

OUT AS WELL.



AVIATION...A FEW SEVERE THUNDERSTORMS WITH HAIL SURFACE AND ALOFT

TO 2.5 INCHES. EXTREME TURBULENCE AND SURFACE WIND GUSTS TO 65

KNOTS. A FEW CUMULONIMBI WITH MAXIMUM TOPS TO 550. MEAN STORM

MOTION VECTOR 29025.





...CORFIDI

