

000 

WWUS20 KWNS 090402

SEL5

SPC WW 090402

KSZ000-OKZ000-TXZ000-091100-



URGENT - IMMEDIATE BROADCAST REQUESTED

SEVERE THUNDERSTORM WATCH NUMBER 495

NWS STORM PREDICTION CENTER NORMAN OK

1105 PM CDT SUN JUN 8 2008



THE NWS STORM PREDICTION CENTER HAS ISSUED A

SEVERE THUNDERSTORM WATCH FOR PORTIONS OF



       LARGE PART OF CENTRAL KANSAS

       LARGE PART OF WESTERN OKLAHOMA

       PARTS OF THE TEXAS PANHANDLE



EFFECTIVE THIS SUNDAY NIGHT AND MONDAY MORNING FROM 1105 PM UNTIL

600 AM CDT.



HAIL TO 2.5 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 90

STATUTE MILES EAST AND WEST OF A LINE FROM 50 MILES SOUTHEAST OF

AMARILLO TEXAS TO 30 MILES NORTH NORTHWEST OF EMPORIA KANSAS.

FOR A COMPLETE DEPICTION OF THE WATCH SEE THE ASSOCIATED WATCH

OUTLINE UPDATE (WOUS64 KWNS WOU5).



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 491...WW 492...WW

493...WW 494...



DISCUSSION...THUNDERSTORMS CONTINUE TO DEVELOP AND INCREASE IN

NUMBER/INTENSITY IN THE WAKE OF THE EARLIER ACTIVITY WITH THE

RAMPING UP OF THE LLJ.  STEEP MID LEVEL LAPSE RATES COUPLED WITH

40-50KT OF DEEP LAYER SHEAR SUPPORTS ELEVATED SUPERCELLS WITH

PRIMARILY A LARGE HAIL POTENTIAL FOR THE NEXT SEVERAL HOURS.



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

TO 2.5 INCHES. EXTREME TURBULENCE AND SURFACE WIND GUSTS TO 60

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

MOTION VECTOR 24035.





...HALES

