[LeArc] TORNADO WATCH NUMBER 387 (Replaces 385)

[Duane Whittingham]

URGENT - IMMEDIATE BROADCAST REQUESTED
    TORNADO WATCH NUMBER 387
    NWS STORM PREDICTION CENTER NORMAN OK
    245 PM CDT WED MAY 24 2006

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

           EASTERN IOWA
           CENTRAL INTO NORTHEAST ILLINOIS
           FAR EAST CENTRAL MISSOURI

    EFFECTIVE THIS WEDNESDAY AFTERNOON AND EVENING FROM 245 PM UNTIL
    1000 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 75 STATUTE
    MILES EAST AND WEST OF A LINE FROM 30 MILES EAST NORTHEAST OF
    DUBUQUE IOWA TO 25 MILES SOUTHWEST OF SALEM ILLINOIS.  FOR A
    COMPLETE DEPICTION OF THE WATCH SEE THE ASSOCIATED WATCH OUTLINE
    UPDATE (WOUS64 KWNS WOU7).

    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...<http://www.spc.noaa.gov/products/watch/ww0385.html>WW 
385...<http://www.spc.noaa.gov/products/watch/ww0386.html>WW 386...

    DISCUSSION...50+ KT WLY MID LEVEL JET WILL SPREAD ACROSS FAR SRN
    IA/NRN MO THROUGH THE EVENING AND INCREASE SHEAR ATOP MODERATE
    INSTABILITY ALREADY IN PLACE ACROSS WW.  SUPERCELLS AND ORGANIZED
    MULTICELL CLUSTERS/LINES ARE EXPECTED TO EVOLVE AND SHIFT FROM W-E
    THROUGH THE MID EVENING.  LARGE HAIL COULD BECOME QUITE LARGE WITH
    STRONGER CORES...WITH ADDITIONAL ISOLATED TORNADO THREAT
    ACCOMPANYING MORE PERSISTENT SUPERCELLS THROUGH THE EVENING.  WIND
    DAMAGE IS ALSO LIKELY.

    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 26025.


    ...EVANS


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