[LeArc] Weather Watch : 4@ 4/19/02 10:11:33 AM

[learc@mailman.qth.net]

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


WWUS20 KWNS 191508
SEL4  
SPC WW 191504
ILZ000-MOZ000-192100-

URGENT - IMMEDIATE BROADCAST REQUESTED
SEVERE THUNDERSTORM WATCH NUMBER 124
STORM PREDICTION CENTER NORMAN OK
1004 AM CDT FRI APR 19 2002

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

   SOUTHERN ILLINOIS                           
   CENTRAL AND SOUTHERN MISSOURI                           

EFFECTIVE THIS FRIDAY MORNING AND AFTERNOON FROM 1015 AM UNTIL 400
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 60 STATUTE MILES
NORTH AND SOUTH OF A LINE FROM 30 MILES NORTH OF JOPLIN MISSOURI TO
10 MILES 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...THIS SEVERE THUNDERSTORM WATCH REPLACES
SEVERE THUNDERSTORM WATCH NUMBER 123.  WATCH NUMBER 123 WILL NOT BE
IN EFFECT AFTER 1015 AM CDT.

DISCUSSION...OUTFLOW BOUNDARY FROM EARLIER MCS AND SURFACE COLD
FRONT SHOULD FOCUS SEVERE THUNDERSTORM DEVELOPMENT ALONG AND NORTH
OF IT THROUGH MUCH OF THE AFTERNOON.  LARGE HAIL WILL BE
PREDOMINANT THREAT...THOUGH DAMAGING WIND POTENTIAL SHOULD INCREASE
LATER THIS AFTERNOON DUE TO SURFACE HEATING AND THE THREAT OF MORE
SURFACE-BASED DEVELOPMENT.

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 25035.


...EVANS

;382,0943 390,0884 372,0884 364,0943;