

502 

WWUS20 KWNS 290431

SEL3

SPC WW 290431

ARZ000-KSZ000-MOZ000-OKZ000-291100-



URGENT - IMMEDIATE BROADCAST REQUESTED

TORNADO WATCH NUMBER 43

NWS STORM PREDICTION CENTER NORMAN OK

1030 PM CST TUE FEB 28 2012



THE NWS STORM PREDICTION CENTER HAS ISSUED A

TORNADO WATCH FOR PORTIONS OF



       NORTHWEST ARKANSAS

       EXTREME SOUTHEAST KANSAS

       SOUTHWEST AND SOUTH CENTRAL MISSOURI

       EASTERN OKLAHOMA



EFFECTIVE THIS TUESDAY NIGHT AND WEDNESDAY MORNING FROM 1030 PM

UNTIL 500 AM CST.



TORNADOES...HAIL TO 2 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 85 STATUTE

MILES EAST AND WEST OF A LINE FROM 65 MILES NORTH OF SPRINGFIELD

MISSOURI TO 45 MILES SOUTH SOUTHEAST OF POTEAU OKLAHOMA.  FOR A

COMPLETE DEPICTION OF THE WATCH SEE THE ASSOCIATED WATCH OUTLINE

UPDATE (WOUS64 KWNS WOU3).



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 41...WW 42...



DISCUSSION...BROKEN FRONTAL SQUALL LINE...WITH SOME EMBEDDED

SEMI-DISCRETE STORMS/SUPERCELLS...WILL CONTINUE TO SURGE EWD ACROSS

OK/KS INTO SW MO/NW AR OVERNIGHT.  SOME LOW-LEVEL MOISTENING AND A

CONTINUATION OF VERY STRONG LOW-MIDLEVEL SHEAR PROFILES WILL

MAINTAIN A RISK FOR DAMAGING WINDS AND POSSIBLY A COUPLE OF

TORNADOES...AS WELL AS LARGE HAIL WITH THE MOST INTENSE/PERSISTENT

SUPERCELL STRUCTURES.



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

SURFACE AND ALOFT TO 2 INCHES. EXTREME TURBULENCE AND SURFACE

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

450. MEAN STORM MOTION VECTOR 27050.





...THOMPSON

