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WWUS20 KWNS 291836

SEL9

SPC WW 291836

ARZ000-ILZ000-MOZ000-300200-



URGENT - IMMEDIATE BROADCAST REQUESTED

TORNADO WATCH NUMBER 9

NWS STORM PREDICTION CENTER NORMAN OK

1235 PM CST TUE JAN 29 2013



THE NWS STORM PREDICTION CENTER HAS ISSUED A

TORNADO WATCH FOR PORTIONS OF



       NORTH CENTRAL ARKANSAS

       WEST CENTRAL ILLINOIS

       SOUTH CENTRAL AND EAST CENTRAL MISSOURI



EFFECTIVE THIS TUESDAY AFTERNOON AND EVENING FROM 1235 PM UNTIL

800 PM CST.



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

TO 75 MPH...AND DANGEROUS LIGHTNING ARE POSSIBLE IN THESE AREAS.



THE TORNADO WATCH AREA IS APPROXIMATELY ALONG AND 70 STATUTE

MILES EAST AND WEST OF A LINE FROM 60 MILES SOUTH OF HARRISON

ARKANSAS TO 55 MILES NORTH NORTHWEST OF SAINT LOUIS MISSOURI.

FOR A COMPLETE DEPICTION OF THE WATCH SEE THE ASSOCIATED WATCH

OUTLINE UPDATE (WOUS64 KWNS WOU9).



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 6...WW 7...WW 8...



DISCUSSION...A COLD FRONTAL SQUALL LINE WILL CONTINUE TO MOVE EWD

ACROSS CENTRAL MO THROUGH THE AFTERNOON...WHILE ADDITIONAL STORMS

FORM AHEAD OF THE FRONT FROM NW AR INTO SRN MO.  THOUGH INSTABILITY

WILL REMAIN SOMEWHAT LIMITED THROUGH THE AFTERNOON...VERY STRONG

VERTICAL SHEAR WILL PROMOTE BOTH EMBEDDED BOWING SEGMENTS AND SOME

SUPERCELL STRUCTURES...WITH AN ATTENDANT RISK FOR DAMAGING WINDS AND

A FEW TORNADOES.



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

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

GUSTS TO 65 KNOTS. A FEW CUMULONIMBI WITH MAXIMUM TOPS TO 400.

MEAN STORM MOTION VECTOR 24050.





...THOMPSON

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