

000 

WWUS20 KWNS 180938

SEL7

SPC WW 180938

OKZ000-181700-



URGENT - IMMEDIATE BROADCAST REQUESTED

SEVERE THUNDERSTORM WATCH NUMBER 567

NWS STORM PREDICTION CENTER NORMAN OK

440 AM CDT WED JUN 18 2008



THE NWS STORM PREDICTION CENTER HAS ISSUED A

SEVERE THUNDERSTORM WATCH FOR PORTIONS OF



       CENTRAL AND EASTERN OKLAHOMA



EFFECTIVE THIS WEDNESDAY MORNING FROM 440 AM UNTIL NOON CDT.



HAIL TO 1.5 INCHES IN DIAMETER...THUNDERSTORM WIND GUSTS TO 70

MPH...AND DANGEROUS LIGHTNING ARE POSSIBLE IN THESE AREAS.



THE SEVERE THUNDERSTORM WATCH AREA IS APPROXIMATELY ALONG AND 70

STATUTE MILES EAST AND WEST OF A LINE FROM 20 MILES NORTH OF

PONCA CITY OKLAHOMA TO 50 MILES EAST SOUTHEAST OF ARDMORE

OKLAHOMA.  FOR A COMPLETE DEPICTION OF THE WATCH SEE THE

ASSOCIATED WATCH OUTLINE UPDATE (WOUS64 KWNS WOU7).



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 565...WW 566...



DISCUSSION...S CNTRL KS MCS APPEARS TO HAVE AN EMBEDDED MCV.  THIS

CIRCULATION...COUPLED WITH INCREASING PWS WITH SWD EXTENT...MAY

SUPPORT CONTINUED GENERATION OF BOWING SEGMENTS WITH HIGH WIND AND

MARGINALLY SVR HAIL AS SYSTEM CONTINUES SSEWD.



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 34045.





...CORFIDI

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