[LeArc] Weather Watch : 3@ 4/19/02 7:44:18 AM

[learc@mailman.qth.net]

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


WWUS20 KWNS 191244
SEL3  
SPC WW 191239
ILZ000-MOZ000-191800-

URGENT - IMMEDIATE BROADCAST REQUESTED
SEVERE THUNDERSTORM WATCH NUMBER 123
STORM PREDICTION CENTER NORMAN OK
739 AM CDT FRI APR 19 2002

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

   WESTERN ILLINOIS                           
   EAST CENTRAL MISSOURI                           

EFFECTIVE THIS FRIDAY MORNING AND AFTERNOON FROM 800 AM UNTIL 100
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 55 STATUTE MILES
NORTH AND SOUTH OF A LINE FROM 20 MILES WEST OF COLUMBIA MISSOURI
TO 20 MILES NORTHEAST OF SALEM 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 122...

DISCUSSION...BOW SYSTEM WHICH FORMED OVER N CNTRL KS AROUND 07Z
THIS MORNING EXPECTED TO CONTINUE EWD IN ZONE OF MODERATE
INSTABILITY/SHEAR INVOF WEAK SURFACE FRONT ORIENTED PARALLEL TO
DEEP WLY FLOW.    

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 27040.

...CORFIDI

;393,0923 393,0884 380,0884 380,0923;