

828 

WWUS20 KWNS 071548

SEL9

SPC WW 071548

KSZ000-OKZ000-071900-



URGENT - IMMEDIATE BROADCAST REQUESTED

SEVERE THUNDERSTORM WATCH NUMBER 279

NWS STORM PREDICTION CENTER NORMAN OK

1045 AM CDT MON JUN 7 2010



THE NWS STORM PREDICTION CENTER HAS ISSUED A

SEVERE THUNDERSTORM WATCH FOR PORTIONS OF



       SOUTH CENTRAL KANSAS

       NORTHWEST OKLAHOMA



EFFECTIVE THIS MONDAY MORNING AND AFTERNOON FROM 1045 AM UNTIL

200 PM CDT.



HAIL TO 2 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 45

STATUTE MILES EAST AND WEST OF A LINE FROM 80 MILES NORTH

NORTHWEST OF MEDICINE LODGE KANSAS TO 20 MILES SOUTHWEST OF ENID

OKLAHOMA.  FOR A COMPLETE DEPICTION OF THE WATCH SEE THE

ASSOCIATED WATCH OUTLINE UPDATE (WOUS64 KWNS WOU9).



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...A SMALL CLUSTER OF STORMS...NORTHEAST OF DDC...HAS

DEVELOPED A COLD POOL. DESPITE A RELATIVELY COOL BOUNDARY

LAYER...THE STRONG INSTABILITY FEEDING IN FROM THE WEST COMBINED

WITH STRONGLY VEERING WIND PROFILES...SHOULD SUPPORT SEVERE STORMS

MOVING SWD THROUGH SRN KS AND POSSIBLY INTO NWRN OK DURING THE NEXT

2-3 HOURS. HAIL AND WIND DAMAGE ARE BOTH LIKELY WITH THIS SOUTHWARD

MOVING THUNDERSTORM CLUSTER.



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 550. MEAN STORM

MOTION VECTOR 33025.





...IMY

