

302 

WWUS20 KWNS 080257

SEL7

SPC WW 080257

KSZ000-MOZ000-OKZ000-081100-



URGENT - IMMEDIATE BROADCAST REQUESTED

SEVERE THUNDERSTORM WATCH NUMBER 7

NWS STORM PREDICTION CENTER NORMAN OK

855 PM CST MON JAN 7 2008



THE NWS STORM PREDICTION CENTER HAS ISSUED A

SEVERE THUNDERSTORM WATCH FOR PORTIONS OF



       SOUTHEASTERN KANSAS

       WESTERN AND NORTHERN MISSOURI

       SOUTH CENTRAL THROUGH NORTHEAST OKLAHOMA



EFFECTIVE THIS MONDAY NIGHT AND TUESDAY MORNING FROM 855 PM UNTIL

500 AM CST.



HAIL TO 1.5 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 60

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

SOUTHEAST OF OKLAHOMA CITY OKLAHOMA TO 30 MILES EAST NORTHEAST OF

KIRKSVILLE MISSOURI.  FOR A COMPLETE DEPICTION OF THE WATCH SEE

THE ASSOCIATED WATCH OUTLINE UPDATE (WOUS64 KWNS WOU7).



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...THIS SEVERE THUNDERSTORM WATCH REPLACES

TORNADO WATCH NUMBER 1...TORNADO WATCH NUMBER 3. WATCH NUMBER 1 3

WILL NOT BE IN EFFECT AFTER 855 PM CST. CONTINUE...WW 2...WW

4...WW 5...WW 6...



DISCUSSION...TSTMS EXPECTED TO INCREASE IN COVERAGE ALONG AND JUST

BEHIND COLD FRONT MOVING SE ACROSS WRN MO/SE KS AND CNTRL OK THROUGH

EARLY TUESDAY AS OK/TX PANHANDLE SHORTWAVE TROUGH EJECTS NEWD.

AMPLE SHEAR PRESENT FOR SUSTAINED STORMS/SUPERCELLS WITH HAIL AND

LOCALLY DAMAGING WIND GIVEN FAIRLY STEEP MID LEVEL LAPSE RATES.

VEERING WIND PROFILES AND DRIER AIR SPREADING NEWD SHOULD KEEP

TORNADO THREAT LOW AND CONFINE SVR THREAT TO AREA N AND E OF OKC.



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

TO 1.5 INCHES. EXTREME TURBULENCE AND SURFACE WIND GUSTS TO 60

KNOTS. A FEW CUMULONIMBI WITH MAXIMUM TOPS TO 400. MEAN STORM

MOTION VECTOR 24045.





...CORFIDI

