

165 

WWUS20 KWNS 130252

SEL8

SPC WW 130252

COZ000-KSZ000-NMZ000-OKZ000-TXZ000-130900-



URGENT - IMMEDIATE BROADCAST REQUESTED

SEVERE THUNDERSTORM WATCH NUMBER 308

NWS STORM PREDICTION CENTER NORMAN OK

950 PM CDT SAT JUN 12 2010



THE NWS STORM PREDICTION CENTER HAS ISSUED A

SEVERE THUNDERSTORM WATCH FOR PORTIONS OF



       PARTS OF SOUTHEAST COLORADO

       SOUTHWEST KANSAS

       PARTS OF NORTHEAST NEW MEXICO

       PARTS OF NORTHWEST OKLAHOMA INCLUDING THE PANHANDLE

       LARGE PART OF TEXAS PANHANDLE



EFFECTIVE THIS SATURDAY NIGHT AND SUNDAY MORNING FROM 950 PM

UNTIL 400 AM 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 115

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

SOUTHWEST OF AMARILLO TEXAS TO 75 MILES NORTHWEST OF GARDEN CITY

KANSAS.  FOR A COMPLETE DEPICTION OF THE WATCH SEE THE ASSOCIATED

WATCH OUTLINE UPDATE (WOUS64 KWNS WOU8).



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 304...WW 305...WW

306...WW 307...



DISCUSSION...SEVERE THUNDERSTORMS CONTINUE TO REDEVELOP ALONG AND N

OF A STALLED FRONTAL ZONE FROM SWRN KS INTO TX PANHANDLE AND NERN

NM. WITH A FEED OF VERY MOIST UNSTABLE AIR MASS ON THE INCREASING

LOW LEVEL JET...POTENTIAL FOR AT LEAST LARGE HAIL WILL CONTINUE AND

POSSIBLY SPREAD FURTHER N INTO WRN KS NEXT SEVERAL HOURS.



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 22025.





...HALES

