[LeArc] SEVERE THUNDERSTORM WATCH NUMBER 644

[Duane Whittingham]

    URGENT - IMMEDIATE BROADCAST REQUESTED
    SEVERE THUNDERSTORM WATCH NUMBER 644
    NWS STORM PREDICTION CENTER NORMAN OK
    650 PM CDT TUE JUL 25 2006

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

           EASTERN IOWA
           NORTHERN AND WESTERN ILLINOIS
           FAR NORTHEAST MISSOURI

    EFFECTIVE THIS TUESDAY NIGHT AND WEDNESDAY MORNING FROM 650 PM
    UNTIL 100 AM CDT.

    HAIL TO 1.5 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 35 MILES EAST
    NORTHEAST OF DUBUQUE IOWA TO 25 MILES WEST SOUTHWEST OF
    BURLINGTON IOWA.  FOR A COMPLETE DEPICTION OF THE WATCH SEE THE
    ASSOCIATED WATCH OUTLINE UPDATE (WOUS64 KWNS WOU4).

    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.

    OTHER WATCH 
INFORMATION...CONTINUE...<http://www.spc.noaa.gov/products/watch/ww0642.html>WW 
642...<http://www.spc.noaa.gov/products/watch/ww0643.html>WW 643...

    DISCUSSION...TSTMS NOW DEVELOPING ON LEADING EDGE OF COLD POOL
    ASSOCIATED WITH AREA OF MID LEVEL ASCENT/ACCAS CROSSING WRN/CNTRL IA
    SHOULD INCREASE AND SPREAD EWD AS STORMS ENCOUNTER WARMER/MORE MOIST
    ENVIRONMENT IN IL. LARGE SCALE ASCENT SHOULD ALSO STRENGTHEN WITH
    TIME AS APPROACHING UPR TROUGH CONTINUES ESEWD.

    AVIATION...A FEW SEVERE THUNDERSTORMS WITH HAIL SURFACE AND ALOFT
    TO 1.5 INCHES. EXTREME TURBULENCE AND SURFACE WIND GUSTS TO 60
    KNOTS. A FEW CUMULONIMBI WITH MAXIMUM TOPS TO 550. MEAN STORM
    MOTION VECTOR 27025.


    ...CORFIDI



SEVERE THUNDERSTORM WATCH OUTLINE UPDATE FOR WS 644
NWS STORM PREDICTION CENTER NORMAN OK
650 PM CDT TUE JUL 25 2006

SEVERE THUNDERSTORM WATCH 644 IS IN EFFECT UNTIL 100 AM CDT
FOR THE FOLLOWING LOCATIONS

ILC007-011-015-057-067-071-073-085-095-103-109-131-141-155-161-
175-177-187-195-201-260600-
/O.NEW.KWNS.SV.A.0644.060725T2350Z-060726T0600Z/

IL
.    ILLINOIS COUNTIES INCLUDED ARE

BOONE                BUREAU              CARROLL
FULTON               HANCOCK             HENDERSON
HENRY                JO DAVIESS          KNOX
LEE                  MCDONOUGH           MERCER
OGLE                 PUTNAM              ROCK ISLAND
STARK                STEPHENSON          WARREN
WHITESIDE            WINNEBAGO
$$




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