

570 

WWUS20 KWNS 300112

SEL1

SPC WW 300112

ILZ000-KYZ000-MOZ000-300700-



URGENT - IMMEDIATE BROADCAST REQUESTED

TORNADO WATCH NUMBER 11

NWS STORM PREDICTION CENTER NORMAN OK

715 PM CST TUE JAN 29 2013



THE NWS STORM PREDICTION CENTER HAS ISSUED A

TORNADO WATCH FOR PORTIONS OF



       SOUTHERN ILLINOIS

       WESTERN KENTUCKY

       SOUTHEAST MISSOURI



EFFECTIVE THIS TUESDAY NIGHT AND WEDNESDAY MORNING FROM 715 PM

UNTIL 100 AM CST.



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

TO 80 MPH...AND DANGEROUS LIGHTNING ARE POSSIBLE IN THESE AREAS.



THE TORNADO WATCH AREA IS APPROXIMATELY ALONG AND 65 STATUTE

MILES EAST AND WEST OF A LINE FROM 30 MILES SOUTHEAST OF POPLAR

BLUFF MISSOURI TO 10 MILES NORTH OF MOUNT VERNON 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.



OTHER WATCH INFORMATION...CONTINUE...WW 9...WW 10...



DISCUSSION...LINE OF THUNDERSTORMS OVER SOUTHERN MO IS EXPECTED TO

INTENSIFY DURING THE NEXT FEW HOURS AS THE LOW LEVEL JET BECOMES

VERY STRONG AND THE UPPER LEVEL TROUGH APPROACHES.  DESPITE WEAK

INSTABILITY...90KT+ WINDS IN THE LOWEST 3KM COUPLED WITH EXTREME

SHEAR VALUES WILL PROMOTE A RISK OF DAMAGING WIND GUSTS IN STRONGER

CONVECTIVE ELEMENTS...ALONG WITH A RISK OF ISOLATED EMBEDDED

TORNADOES.



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

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

GUSTS TO 70 KNOTS. A FEW CUMULONIMBI WITH MAXIMUM TOPS TO 400.

MEAN STORM MOTION VECTOR 22050.





...HART

