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038 

WWUS20 KWNS 290722

SEL4

SPC WW 290722

ILZ000-INZ000-KYZ000-MOZ000-291500-



URGENT - IMMEDIATE BROADCAST REQUESTED

TORNADO WATCH NUMBER 44

NWS STORM PREDICTION CENTER NORMAN OK

115 AM CST WED FEB 29 2012



THE NWS STORM PREDICTION CENTER HAS ISSUED A

TORNADO WATCH FOR PORTIONS OF



       CENTRAL AND SOUTHERN ILLINOIS

       SOUTHWEST INDIANA

       WESTERN KENTUCKY

       EAST CENTRAL AND SOUTHEAST MISSOURI



EFFECTIVE THIS WEDNESDAY MORNING FROM 115 AM UNTIL 900 AM CST.



TORNADOES...HAIL TO 1.5 INCHES IN DIAMETER...THUNDERSTORM WIND

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

AREAS.



THE TORNADO WATCH AREA IS APPROXIMATELY ALONG AND 125 STATUTE

MILES EAST AND WEST OF A LINE FROM 30 MILES NORTH NORTHWEST OF

SALEM ILLINOIS TO 30 MILES SOUTHEAST OF POPLAR BLUFF 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 42...WW 43...



DISCUSSION...CNTRL/SRN MO SQLN WITH EMBEDDED SUSTAINED SUPERCELLS

EXPECTED TO CONTINUE ENEWD AT ABOUT 50 KTS.  THE STORMS MAY

STRENGTHEN AS THEY MOVE BEYOND THE OZARKS AND ENCOUNTER RICHER

BOUNDARY LAYER MOISTURE /PW AOA 1.50 INCHES AND SFC DEWPOINTS IN THE

UPR 50S TO LOW 60S F/ SPREADING RAPIDLY NNE UP THE MS VLY.  INTENSE

LOW TO MID LVL WIND FIELD...WITH 60-70 KT SWLY LLJ VEERING TO 70-80

KT WSW FLOW AT 500 MB...WILL MAINTAIN POTENTIAL FOR EMBEDDED

SUPERCELLS CAPABLE OF TORNADOES/DMGG WIND DESPITE TIME OF DAY.

ADDITIONAL STORMS MAY FORM E OF THE SQLN AS STRENGTHENING LLJ/LARGE

SCALE ASCENT ASSOCIATED WITH POTENT NEB/IA UPR VORT INTERACT WITH

REMNANT WARM FRONT OVER REGION.



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

SURFACE AND ALOFT TO 1.5 INCHES. EXTREME TURBULENCE AND SURFACE

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

450. MEAN STORM MOTION VECTOR 25055.





...CORFIDI

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