

173 

WWUS20 KWNS 271841

SEL4

SPC WW 271841

ILZ000-MOZ000-280100-



URGENT - IMMEDIATE BROADCAST REQUESTED

TORNADO WATCH NUMBER 964

NWS STORM PREDICTION CENTER NORMAN OK

1245 PM CST SAT DEC 27 2008



THE NWS STORM PREDICTION CENTER HAS ISSUED A

TORNADO WATCH FOR PORTIONS OF



       WESTERN ILLINOIS

       EASTERN MISSOURI



EFFECTIVE THIS SATURDAY AFTERNOON AND EVENING FROM 1245 PM UNTIL

700 PM CST.



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 60 STATUTE

MILES EAST AND WEST OF A LINE FROM 55 MILES NORTHEAST OF ALTON

ILLINOIS TO 45 MILES WEST SOUTHWEST OF FARMINGTON MISSOURI.  FOR

A COMPLETE DEPICTION OF THE WATCH SEE THE ASSOCIATED WATCH

OUTLINE UPDATE (WOUS64 KWNS WOU4).



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 960...WW 961...WW

962...WW 963...



DISCUSSION...RETRANSMISSION OF TORNADO WATCH FOR THIS THREAT AREA

FROM WW 962.

NARROW LINE OF STORMS WITH EMBEDDED AND PRECEDING SUPERCELLS WILL

CONTINUE TO POSE WIND DAMAGE AND ISOLATED TORNADO THREAT ACROSS THIS

REGION FOR SEVERAL MORE HOURS.



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 400.

MEAN STORM MOTION VECTOR 22050.





...EVANS



173 

WWUS20 KWNS 271841

SEL4

SPC WW 271841

ILZ000-MOZ000-280100-



URGENT - IMMEDIATE BROADCAST REQUESTED

TORNADO WATCH NUMBER 964

NWS STORM PREDICTION CENTER NORMAN OK

1245 PM CST SAT DEC 27 2008



THE NWS STORM PREDICTION CENTER HAS ISSUED A

TORNADO WATCH FOR PORTIONS OF



       WESTERN ILLINOIS

       EASTERN MISSOURI



EFFECTIVE THIS SATURDAY AFTERNOON AND EVENING FROM 1245 PM UNTIL

700 PM CST.



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 60 STATUTE

MILES EAST AND WEST OF A LINE FROM 55 MILES NORTHEAST OF ALTON

ILLINOIS TO 45 MILES WEST SOUTHWEST OF FARMINGTON MISSOURI.  FOR

A COMPLETE DEPICTION OF THE WATCH SEE THE ASSOCIATED WATCH

OUTLINE UPDATE (WOUS64 KWNS WOU4).



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 960...WW 961...WW

962...WW 963...



DISCUSSION...RETRANSMISSION OF TORNADO WATCH FOR THIS THREAT AREA

FROM WW 962.

NARROW LINE OF STORMS WITH EMBEDDED AND PRECEDING SUPERCELLS WILL

CONTINUE TO POSE WIND DAMAGE AND ISOLATED TORNADO THREAT ACROSS THIS

REGION FOR SEVERAL MORE HOURS.



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 400.

MEAN STORM MOTION VECTOR 22050.





...EVANS

