

000 

WWUS20 KWNS 102249

SEL5

SPC WW 102249

KSZ000-OKZ000-110600-



URGENT - IMMEDIATE BROADCAST REQUESTED

TORNADO WATCH NUMBER 505

NWS STORM PREDICTION CENTER NORMAN OK

550 PM CDT TUE JUN 10 2008



THE NWS STORM PREDICTION CENTER HAS ISSUED A

TORNADO WATCH FOR PORTIONS OF



       LARGE PART OF WESTERN KANSAS

       PARTS OF NORTHWEST OKLAHOMA



EFFECTIVE THIS TUESDAY AFTERNOON AND WEDNESDAY MORNING FROM 550

PM UNTIL 100 AM CDT.



TORNADOES...HAIL TO 3.5 INCHES IN DIAMETER...THUNDERSTORM WIND

GUSTS TO 80 MPH...AND DANGEROUS LIGHTNING ARE POSSIBLE IN THESE

AREAS.



THE TORNADO WATCH AREA IS APPROXIMATELY ALONG AND 75 STATUTE

MILES EAST AND WEST OF A LINE FROM 35 MILES WEST NORTHWEST OF

RUSSELL KANSAS TO 35 MILES EAST SOUTHEAST OF GAGE OKLAHOMA.  FOR

A COMPLETE DEPICTION OF THE WATCH SEE THE ASSOCIATED WATCH

OUTLINE UPDATE (WOUS64 KWNS WOU5).



REMEMBER...A TORNADO WATCH MEANS CONDITIONS ARE FAVORABLE FOR

TORNADOES AND 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.



OTHER WATCH INFORMATION...CONTINUE...WW 500...WW 501...WW

502...WW 503...WW 504...



DISCUSSION...A  VERY UNSTABLE AIRMASS HAS SPREAD NWD TO E OF DRY

LINE WHICH EXTENDS N/S THRU WRN KS/TX PANHANDLE.  WITH 50KT OF DEEP

LAYER SHEAR AND MLCAPES TO AOA 3000 J/KG...SUPERCELLS WILL DEVELOP

ALONG/E OF DRY LINE. IN ADDITION TO VERY LARGE HAIL AND DAMAGING

WINDS...TORNADOES WILL BE POSSIBLE WITH ANY SUPERCELL.  STORM MODE

POSSIBLY DEVELOPING UPSCALE INTO A SEVERE MCS THIS EVENING TRACKING

EWD VICINITY SRN KS/OK BORDER AREA.



AVIATION...TORNADOES AND A FEW SEVERE THUNDERSTORMS WITH HAIL

SURFACE AND ALOFT TO 3.5 INCHES. EXTREME TURBULENCE AND SURFACE

WIND GUSTS TO 70 KNOTS. A FEW CUMULONIMBI WITH MAXIMUM TOPS TO

550. MEAN STORM MOTION VECTOR 26025.





...HALES

