

643 

WWUS20 KWNS 101735

SEL6

SPC WW 101735

COZ000-KSZ000-110000-



URGENT - IMMEDIATE BROADCAST REQUESTED

TORNADO WATCH NUMBER 146

NWS STORM PREDICTION CENTER NORMAN OK

1235 PM CDT MON MAY 10 2010



THE NWS STORM PREDICTION CENTER HAS ISSUED A

TORNADO WATCH FOR PORTIONS OF



       EASTERN COLORADO

       WESTERN KANSAS



EFFECTIVE THIS MONDAY AFTERNOON AND EVENING FROM 1235 PM UNTIL

700 PM CDT.



TORNADOES...HAIL TO 2 INCHES IN DIAMETER...THUNDERSTORM WIND

GUSTS TO 70 MPH...AND DANGEROUS LIGHTNING ARE POSSIBLE IN THESE

AREAS.



THE TORNADO WATCH AREA IS APPROXIMATELY ALONG AND 70 STATUTE

MILES EAST AND WEST OF A LINE FROM 40 MILES EAST NORTHEAST OF

GOODLAND KANSAS TO 50 MILES WEST SOUTHWEST OF MEDICINE LODGE

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

WATCH OUTLINE UPDATE (WOUS64 KWNS WOU6).



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.



DISCUSSION...ISOLATED SUPERCELL THUNDERSTORMS ARE EXPECTED TO FORM

ALONG THE SURFACE DRYLINE OVER WESTERN KS IN THE NEXT FEW

HOURS...AND TRACK EASTWARD ACROSS THE WATCH AREA.  STRONG LARGE

SCALE FORCING AND FAVORABLE WIND PROFILES WILL SUPPORT THE RISK OF A

FEW TORNADOES.  VERY STEEP MID LEVEL LAPSE RATES ARE ALSO SUPPORTIVE

OF LARGE HAIL AND DAMAGING WINDS.



AVIATION...TORNADOES AND 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

500. MEAN STORM MOTION VECTOR 24035.





...HART

