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URGENT - IMMEDIATE BROADCAST REQUESTED

TORNADO WATCH NUMBER 1

NWS STORM PREDICTION CENTER NORMAN OK

155 PM CST MON JAN 7 2008



THE NWS STORM PREDICTION CENTER HAS ISSUED A

TORNADO WATCH FOR PORTIONS OF



       WEST CENTRAL ILLINOIS

       SOUTHEASTERN KANSAS

       PARTS OF MISSOURI



EFFECTIVE THIS MONDAY AFTERNOON AND EVENING FROM 155 PM UNTIL 900

PM CST.



TORNADOES...HAIL TO 2 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 75 STATUTE

MILES EAST AND WEST OF A LINE FROM 10 MILES SOUTH SOUTHWEST OF

JOPLIN MISSOURI TO 45 MILES NORTH NORTHEAST OF QUINCY ILLINOIS.

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.



DISCUSSION...UNSEASONABLY WARM AND MDTLY UNSTABLE AIR MASS IN PLACE

ACROSS WATCH AREA AHEAD OF STRONG WRN U.S. TROUGH.  VERY STRONG DEEP

LAYER SHEAR AS LEAD JET MAX MOVES ACROSS AREA FAVORABLE FOR

DEVELOPMENT OF SUPERCELLS.  WITH MLCAPES TO 1000 J/KG AND LITTLE

REMAINING CINH...THUNDERSTORMS EXPECTED TO INCREASE IN NUMBER AND

INTENSITY REMAINDER OF AFTERNOON. ALONG WITH LARGE HAIL AND DAMAGING

WINDS...TORNADO POTENTIAL WILL INCREASE NEXT SEVERAL HOURS.



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

SURFACE AND ALOFT TO 2 INCHES. EXTREME TURBULENCE AND SURFACE

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

450. MEAN STORM MOTION VECTOR 23040.





...HALES

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