[LeArc] Weather Watch : 9@ 7/9/2003 9:54:29 PM

[learc@mailman.qth.net]

The following weather message is provided by McDonough County E.S.D.A.


WWUS20 KWNS 100253
SEL9  
SPC WW 100250
ILZ000-KSZ000-MOZ000-100900-

URGENT - IMMEDIATE BROADCAST REQUESTED
SEVERE THUNDERSTORM WATCH NUMBER 709 
NWS STORM PREDICTION CENTER NORMAN OK 
950 PM CDT WED JUL 9 2003

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

       WESTERN ILLINOIS
       SOUTHEAST KANSAS
       WESTERN...CENTRAL AND NORTHERN MISSOURI

EFFECTIVE THIS WEDNESDAY NIGHT AND THURSDAY MORNING FROM 950 PM
UNTIL 400 AM 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 ALONG AND 120 STATUTE MILES
EAST AND WEST OF A LINE FROM 20 MILES SOUTH OF BARTLESVILLE
OKLAHOMA TO 70 MILES NORTH NORTHWEST OF ALTON ILLINOIS.

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...THIS SEVERE THUNDERSTORM WATCH REPLACES
SEVERE THUNDERSTORM WATCH NUMBER 702. WATCH NUMBER 702 WILL NOT BE
IN EFFECT AFTER 950 PM CDT. CONTINUE...WW 706...WW 707...WW 708...


DISCUSSION...FORWARD-PROPAGATING MCS IN WRN MO/SE KS EXPECTED TO
CONTINUE GENERALLY EWD INTO MO AS TROUGH AXIS/DEEP WIND SHIFT
ROTATING AROUND BASE OF MN UPPER VORT CONTINUES EWD FROM ERN KS. 
SUFFICIENT SHEAR/INSTABILITY APPEAR PRESENT TO WARRANT THREAT FOR
HIGH WIND AND POSSIBLY HAIL FROM EMBEDDED LEWPS/BOWS.

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 550. MEAN STORM
MOTION VECTOR 25030.


...CORFIDI

;362,0981 394,0924 394,0881 362,0935; 
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