

000 

WWUS20 KWNS 301944

SEL5

SPC WW 301944

KSZ000-MOZ000-OKZ000-310300-



URGENT - IMMEDIATE BROADCAST REQUESTED

TORNADO WATCH NUMBER 395

NWS STORM PREDICTION CENTER NORMAN OK

245 PM CDT FRI MAY 30 2008



THE NWS STORM PREDICTION CENTER HAS ISSUED A

TORNADO WATCH FOR PORTIONS OF



       SOUTHEAST KANSAS

       WESTERN AND CENTRAL MISSOURI

       FAR NORTHEAST OKLAHOMA



EFFECTIVE THIS FRIDAY AFTERNOON AND EVENING FROM 245 PM UNTIL

1000 PM CDT.



TORNADOES...HAIL TO 2.5 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 20 MILES EAST SOUTHEAST OF

BARTLESVILLE OKLAHOMA TO 20 MILES NORTHWEST OF KIRKSVILLE

MISSOURI.  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 394...



DISCUSSION...CAP IS ERODING QUICKLY WITH STRONG HEATING AHEAD OF

APPROACHING SURFACE COLD FRONT THIS AFTERNOON...WHICH WILL SUPPORT

THUNDERSTORM DEVELOPMENT THROUGH THE EVENING.  AIR MASS IS VERY

UNSTABLE WITH EFFECTIVE SHEAR OF 40-50 KT FAVORING

SUPERCELLS...LIKELY SPLITTING WITHIN UNIDIRECTIONAL SHEAR.  ALONG

WITH LARGE HAIL AND ISOLATED DAMAGING WINDS...LOW LEVEL SHEAR SHOULD

REMAIN SUFFICIENT FOR TORNADO THREAT DESPITE THE VEERED LOW LEVEL

FLOW /ESPECIALLY WITH RIGHT SPLITS/.



AVIATION...TORNADOES AND 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

500. MEAN STORM MOTION VECTOR 27030.





...EVANS

