[LeArc] Weather Watch : 5@ 5/4/2003 5:23:34 PM

[learc@mailman.qth.net]

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


WWUS20 KWNS 042223
SEL5  
SPC WW 042225
IAZ000-ILZ000-MOZ000-050400-

URGENT - IMMEDIATE BROADCAST REQUESTED
SEVERE THUNDERSTORM WATCH NUMBER 235 
NWS STORM PREDICTION CENTER NORMAN OK 
525 PM CDT SUN MAY 4 2003

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

       SOUTHEAST IOWA
       WESTERN ILLINOIS
       EASTERN MISSOURI

EFFECTIVE THIS SUNDAY AFTERNOON AND EVENING FROM 525 PM UNTIL 1100
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 ALONG AND 85 STATUTE MILES
EAST AND WEST OF A LINE FROM 15 MILES NORTHWEST OF BURLINGTON IOWA
TO 50 MILES SOUTHWEST OF CARBONDALE 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 231...WW 232...WW 233...WW
234...


DISCUSSION...ELEVATED STRONG/SEVERE STORMS WILL LIKELY TO CONTINUE
DEVELOPING AND SPREADING NEWD FROM MO TO IL.  ELEVATED CAPE OF 1500
J/KG /BASED NEAR 850 MB/ AND STRONG LOW-LEVEL WAA WILL SUPPORT A
BROAD AREA OF THUNDERSTORM DEVELOPMENT...AND THE STRONGEST STORMS
MAY PRODUCE LARGE HAIL THROUGH THE EVENING HOURS.

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 24040.


...THOMPSON

;405,0894 371,0882 371,0912 405,0925; 
WWWW