[LeArc] Severe Thunderstorm Watch 441 (Macomb and area)

[Duane Whittingham]

    URGENT - IMMEDIATE BROADCAST REQUESTED
    SEVERE THUNDERSTORM WATCH NUMBER 441
    NWS STORM PREDICTION CENTER NORMAN OK
    320 PM CDT TUE JUN 6 2006

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

           EASTERN IOWA
           NORTHERN ILLINOIS
           NORTHEAST MISSOURI

    EFFECTIVE THIS TUESDAY AFTERNOON AND EVENING FROM 320 PM UNTIL
    900 PM CDT.

    HAIL TO 2 INCHES IN DIAMETER...THUNDERSTORM WIND GUSTS TO 70
    MPH...AND DANGEROUS LIGHTNING ARE POSSIBLE IN THESE AREAS.

    THE SEVERE THUNDERSTORM WATCH AREA IS APPROXIMATELY ALONG AND 70
    STATUTE MILES EAST AND WEST OF A LINE FROM 25 MILES NORTHWEST OF
    ROCKFORD ILLINOIS TO 35 MILES SOUTH OF BURLINGTON IOWA.  FOR A
    COMPLETE DEPICTION OF THE WATCH SEE THE ASSOCIATED WATCH OUTLINE
    UPDATE (WOUS64 KWNS WOU1).

    REMEMBER...A SEVERE THUNDERSTORM WATCH MEANS CONDITIONS ARE
    FAVORABLE FOR 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. SEVERE THUNDERSTORMS CAN AND OCCASIONALLY
    DO PRODUCE TORNADOES.

    DISCUSSION...THUNDERSTORMS WILL INCREASE ALONG COLD FRONT ERN IA
    WHERE AIR MASS IS MDTLY UNSTABLE.  GIVEN FAVORABLE SHEAR
    PROFILES...SEVERE STORMS LIKELY WITH PRIMARY THREAT LARGE HAIL AND
    LOCAL DAMAGING WINDS.

    AVIATION...A FEW SEVERE THUNDERSTORMS WITH HAIL SURFACE AND ALOFT
    TO 2 INCHES. EXTREME TURBULENCE AND SURFACE WIND GUSTS TO 60
    KNOTS. A FEW CUMULONIMBI WITH MAXIMUM TOPS TO 500. MEAN STORM
    MOTION VECTOR 29025.


    ...HALES


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