[LeArc] TORNADO WATCH NUMBER 385

[Duane Whittingham]

    URGENT - IMMEDIATE BROADCAST REQUESTED
    TORNADO WATCH NUMBER 385...RESENT
    NWS STORM PREDICTION CENTER NORMAN OK
    1225 PM CDT WED MAY 24 2006

    THE NWS STORM PREDICTION CENTER HAS ISSUED A
    TORNADO WATCH FOR PORTIONS OF

           WEST CENTRAL ILLINOIS
           CENTRAL AND NORTHEASTERN MISSOURI

    EFFECTIVE THIS WEDNESDAY AFTERNOON AND EVENING FROM 1225 PM UNTIL
    800 PM CDT.

    TORNADOES...HAIL TO 3 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 95 STATUTE
    MILES EAST AND WEST OF A LINE FROM 50 MILES WEST SOUTHWEST OF
    JEFFERSON CITY MISSOURI TO 45 MILES NORTH OF QUINCY ILLINOIS.
    FOR A COMPLETE DEPICTION OF THE WATCH SEE THE ASSOCIATED WATCH
    OUTLINE UPDATE (WOUS64 KWNS WOU5).

    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...TAIL END OF SHORTWAVE TROUGH WILL CONTINUE INCREASING
    THUNDERSTORMS ALONG AND AHEAD OF SURFACE TROUGH NOW MOVING INTO NWRN
    MO.  AIR MASS  IS ALREADY VERY UNSTABLE WITH MLCAPE AROUND 2000 J/KG
    AND WEAKLY CAPPED.  SHEAR IS MARGINAL FOR SUPERCELLS ATTM...BUT DEEP
    LAYER SHEAR SHOULD IMPROVE THROUGH THE DAY AS 40+ KT NWLY MID LEVEL
    JET NOSES INTO NRN MO. LARGE HAIL...SOME OF WHICH COULD BECOME
    QUITE LARGE...AND DAMAGING WINDS WILL BE PRIMARY SEVERE THREATS.
    HOWEVER...LOW LEVEL SHEAR WILL ALSO SUPPORT A THREAT OF A FEW
    TORNADOES WITH THE MORE PERSISTENT SUPERCELLS INTO THE EARLY
    EVENING.

    AVIATION...TORNADOES AND A FEW SEVERE THUNDERSTORMS WITH HAIL
    SURFACE AND ALOFT TO 3 INCHES. EXTREME TURBULENCE AND SURFACE
    WIND GUSTS TO 60 KNOTS. A FEW CUMULONIMBI WITH MAXIMUM TOPS TO
    500. MEAN STORM MOTION VECTOR 27030.


    ...EVANS


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Amateur Radio Operator
Duane Whittingham - N9SSN
Skywarn, ARES/RACES, EMA/ESDA
Red Cross and SATERN