

123 

WWUS20 KWNS 061205

SEL8

SPC WW 061205

OKZ000-061700-



URGENT - IMMEDIATE BROADCAST REQUESTED

SEVERE THUNDERSTORM WATCH NUMBER 238

NWS STORM PREDICTION CENTER NORMAN OK

705 AM CDT FRI JUN 6 2014



THE NWS STORM PREDICTION CENTER HAS ISSUED A



* SEVERE THUNDERSTORM WATCH FOR PORTIONS OF

  EASTERN OKLAHOMA



* EFFECTIVE THIS FRIDAY MORNING FROM 705 AM UNTIL NOON CDT.



* PRIMARY THREATS INCLUDE...

  ISOLATED DAMAGING WIND GUSTS TO 70 MPH POSSIBLE

  ISOLATED LARGE HAIL EVENTS TO 1.5 INCHES IN DIAMETER POSSIBLE



THE SEVERE THUNDERSTORM WATCH AREA IS APPROXIMATELY ALONG AND 90

STATUTE MILES NORTH AND SOUTH OF A LINE FROM 30 MILES SOUTH

SOUTHWEST OF CHANDLER OKLAHOMA TO 10 MILES NORTH OF POTEAU

OKLAHOMA.  FOR A COMPLETE DEPICTION OF THE WATCH SEE THE

ASSOCIATED WATCH OUTLINE UPDATE (WOUS64 KWNS WOU8).



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 237...



DISCUSSION...A BOWING LINE OF STORMS NOW CROSSING CENTRAL OKLAHOMA

CONTINUES TO BECOME BETTER ORGANIZED WITH TIME...AS IT PROGRESSES

THROUGH A MODERATELY UNSTABLE AIRMASS.  GIVEN FAVORABLE DOWNSTREAM

INSTABILITY ALONG WITH DEEP-LAYER SHEAR SUPPORTIVE OF

WELL-ORGANIZED/ EWD-PROPAGATING STORMS...EXPECT DAMAGING WINDS AND

ISOLATED LARGE HAIL AS THE STORMS MOVE INTO/ACROSS EASTERN OKLAHOMA.



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

TO 1.5 INCHES. EXTREME TURBULENCE AND SURFACE WIND GUSTS TO 60

KNOTS. A FEW CUMULONIMBI WITH MAXIMUM TOPS TO 500. MEAN STORM

MOTION VECTOR 27040.





...GOSS

