

000 

WWUS20 KWNS 022246

SEL1

SPC WW 022246

ILZ000-MOZ000-030300-



URGENT - IMMEDIATE BROADCAST REQUESTED

TORNADO WATCH NUMBER 701

NWS STORM PREDICTION CENTER NORMAN OK

545 PM CDT TUE OCT 2 2007



THE NWS STORM PREDICTION CENTER HAS ISSUED A

TORNADO WATCH FOR PORTIONS OF



       WEST CENTRAL ILLINOIS

       NORTHEAST MISSOURI



EFFECTIVE THIS TUESDAY AFTERNOON AND EVENING FROM 545 PM UNTIL

1000 PM CDT.



TORNADOES...HAIL TO 1 INCH IN DIAMETER...THUNDERSTORM WIND GUSTS

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



THE TORNADO WATCH AREA IS APPROXIMATELY ALONG AND 45 STATUTE

MILES EAST AND WEST OF A LINE FROM 45 MILES EAST NORTHEAST OF

QUINCY ILLINOIS TO 35 MILES EAST SOUTHEAST OF JEFFERSON CITY

MISSOURI.  FOR A COMPLETE DEPICTION OF THE WATCH SEE THE

ASSOCIATED WATCH OUTLINE UPDATE (WOUS64 KWNS WOU1).



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 700...



DISCUSSION...DISCRETE SUPERCELLS HAVE FORMED WITHIN THE LARGER BAND

OF CONVECTION ACROSS E/NE MO THIS AFTERNOON.  CONTINUED LOW-LEVEL

MOISTENING TO THE E OF THE ONGOING STORMS...ALONG WITH STRONG

LOW-LEVEL AND DEEP LAYER SHEAR...WILL MAINTAIN THE THREAT FOR A FEW

TORNADOES THROUGH THIS EVENING ACROSS NE MO INTO W CENTRAL IL.



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

SURFACE AND ALOFT TO 1 INCH. EXTREME TURBULENCE AND SURFACE WIND

GUSTS TO 60 KNOTS. A FEW CUMULONIMBI WITH MAXIMUM TOPS TO 500.

MEAN STORM MOTION VECTOR 24035.





...THOMPSON

