[LeArc] Weather Watch : 5@ 5/14/2003 8:28:42 PM

[learc@mailman.qth.net]

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


WWUS20 KWNS 150128
SEL5  
SPC WW 150130
ILZ000-KYZ000-MOZ000-150500-

URGENT - IMMEDIATE BROADCAST REQUESTED
SEVERE THUNDERSTORM WATCH NUMBER 375 
NWS STORM PREDICTION CENTER NORMAN OK 
830 PM CDT WED MAY 14 2003

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

       SOUTHERN ILLINOIS
       FAR NORTHWEST KENTUCKY
       SOUTHEAST AND EAST CENTRAL MISSOURI

EFFECTIVE THIS WEDNESDAY NIGHT FROM 830 PM UNTIL MIDNIGHT 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 60 STATUTE MILES
NORTH AND SOUTH OF A LINE FROM 70 MILES SOUTHWEST OF SAINT LOUIS
MISSOURI TO 60 MILES EAST SOUTHEAST OF MOUNT VERNON 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...CONTINUE...WW 372...WW 373...WW 374...


DISCUSSION...BASE OF STRONG UPPER TROUGH IS NOW MOVING EWD ACROSS MO
AND APPEARS TO BE ENHANCING DEEP MOIST CONVECTION NOW DEVELOPING
OVER CENTRAL AND SRN MO.  AIR MASS IS MODERATELY UNSTABLE AND DEEP
LAYER SHEAR IS SUPPORTIVE OF ORGANIZED LINES/SUPERCELLS...AS STORMS
DEVELOP EWD THROUGH THE MID/LATE EVENING.  LARGE HAIL AND WIND
DAMAGE ARE LIKELY  WITH THESE STORMS.

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 450. MEAN STORM
MOTION VECTOR 27035.


...EVANS

;385,0911 385,0875 370,0875 370,0911; 

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