[LeArc] SEVERE THUNDERSTORM WATCH NUMBER 844

[Duane Whittingham]

URGENT - IMMEDIATE BROADCAST REQUESTED
    SEVERE THUNDERSTORM WATCH NUMBER 844
    NWS STORM PREDICTION CENTER NORMAN OK
    1245 PM CST FRI NOV 10 2006

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

           SOUTHEAST IOWA
           WESTERN ILLINOIS
           CENTRAL AND NORTHEASTERN MISSOURI

    EFFECTIVE THIS FRIDAY AFTERNOON AND EVENING FROM 1245 PM UNTIL
    800 PM CST.

    HAIL TO 1.5 INCHES IN DIAMETER...THUNDERSTORM WIND GUSTS TO 60
    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 45 MILES SOUTHEAST OF
    KNOB NOSTER MISSOURI TO 10 MILES EAST NORTHEAST OF MOLINE
    ILLINOIS.  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.

    DISCUSSION...ELEVATED TSTMS EXPECTED TO INCREASE IN COVERAGE AND
    POSSIBLY INTENSITY THIS AFTN IN AREA OF ASCENT DOWNSTREAM FROM SW KS
    SHORTWAVE TROUGH.  UPLIFT WILL ALSO BE ENHANCED IN ENTRANCE REGION
    OF AMPLIFYING JET STREAK OVER THE UPR GRT LKS. LATE MORNING RAOB
    FROM SGF SHOWS AMPLE ELEVATED CAPE /AROUND 1000 J PER KG/ TO SUPPORT
    HAIL IN STRONGER ELEVATED CELLS...WHERE 30-40 KT SWLY CLOUD LAYER
    SHEAR WILL BE PRESENT TO SUPPORT SUSTAINED UPDRAFTS.

    AVIATION...A FEW SEVERE THUNDERSTORMS WITH HAIL SURFACE AND ALOFT
    TO 1.5 INCHES. EXTREME TURBULENCE AND SURFACE WIND GUSTS TO 50
    KNOTS. A FEW CUMULONIMBI WITH MAXIMUM TOPS TO 500. MEAN STORM
    MOTION VECTOR 22040.


    ...CORFIDI



EVERE THUNDERSTORM WATCH OUTLINE UPDATE FOR WS 844
NWS STORM PREDICTION CENTER NORMAN OK
1245 PM CST FRI NOV 10 2006

SEVERE THUNDERSTORM WATCH 844 IS IN EFFECT UNTIL 800 PM CST
FOR THE FOLLOWING LOCATIONS

ILC001-009-011-013-017-057-067-071-073-095-109-123-125-131-137-
143-149-155-161-169-171-175-179-187-195-203-110200-
/O.NEW.KWNS.SV.A.0844.061110T1845Z-061111T0200Z/

IL
.    ILLINOIS COUNTIES INCLUDED ARE

ADAMS                BROWN               BUREAU
CALHOUN              CASS                FULTON
HANCOCK              HENDERSON           HENRY
KNOX                 MARSHALL            MASON
MCDONOUGH            MERCER              MORGAN
PEORIA               PIKE                PUTNAM
ROCK ISLAND          SCHUYLER            SCOTT
STARK                TAZEWELL            WARREN
WHITESIDE            WOODFORD
$$



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