

000 

WWUS20 KWNS 080134

SEL2

SPC WW 080134

ILZ000-KSZ000-MOZ000-080900-



URGENT - IMMEDIATE BROADCAST REQUESTED

TORNADO WATCH NUMBER 362

NWS STORM PREDICTION CENTER NORMAN OK

830 PM CDT THU JUN 7 2007



THE NWS STORM PREDICTION CENTER HAS ISSUED A

TORNADO WATCH FOR PORTIONS OF



       WESTERN ILLINOIS

       SOUTHEAST KANSAS

       MUCH OF WESTERN...CENTRAL AND NORTHERN MISSOURI



EFFECTIVE THIS THURSDAY NIGHT AND FRIDAY MORNING FROM 830 PM

UNTIL 400 AM CDT.



TORNADOES...HAIL TO 2 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 95 STATUTE

MILES EAST AND WEST OF A LINE FROM 30 MILES WEST SOUTHWEST OF

JOPLIN MISSOURI TO 40 MILES NORTHEAST OF KIRKSVILLE MISSOURI.

FOR A COMPLETE DEPICTION OF THE WATCH SEE THE ASSOCIATED WATCH

OUTLINE UPDATE (WOUS64 KWNS WOU2).



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...THIS TORNADO WATCH REPLACES TORNADO

WATCH NUMBER 359. WATCH NUMBER 359 WILL NOT BE IN EFFECT AFTER

830 PM CDT. CONTINUE...WW 358...WW 360...WW 361...



DISCUSSION...TSTMS/POSSIBLE SUPERCELLS EXPECTED TO INCREASE ALONG

MERGING COLD FRONT/DRY LINE LATER THIS EVENING...WITH OTHER STORMS

LIKELY TO FORM ALONG OUTFLOW BOUNDARY IN NRN MO.  60-70 KT WSWLY MID

LEVEL FLOW AND WEAK HEIGHT FALLS ASSOCIATED WITH GLANCING INFLUENCE

OF SHORTWAVE IMPULSE ROUNDING BASE OF HIGH PLAINS TROUGH WILL

ENHANCE THREAT FOR FORWARD-PROPAGATING SEGMENTS WITH HIGH WIND/LARGE

HAIL.  DEGREE OF INSTABILITY AND STRENGTH OF WIND FIELD ALSO SUGGEST

POSSIBILITY FOR TORNADOES...MAINLY DURING EARLY STAGES OF STORM

DEVELOPMENT.



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

SURFACE AND ALOFT TO 2 INCHES. EXTREME TURBULENCE AND SURFACE

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

550. MEAN STORM MOTION VECTOR 24045.





...CORFIDI

