[LeArc] Weather Watch : 8@ 5/6/02 7:34:56 AM

[learc@mailman.qth.net]

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


WWUS20 KWNS 061234
SEL8  
SPC WW 061230
ILZ000-MOZ000-061700-

URGENT - IMMEDIATE BROADCAST REQUESTED
SEVERE THUNDERSTORM WATCH NUMBER 238
STORM PREDICTION CENTER NORMAN OK
730 AM CDT MON MAY 6 2002

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

   WESTERN ILLINOIS                           
   EASTERN AND CENTRAL MISSOURI                           

EFFECTIVE THIS MONDAY MORNING FROM 745 AM UNTIL NOON 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 70 STATUTE MILES
EITHER SIDE OF A LINE FROM 65 MILES SOUTH OF KNOB NOSTER MISSOURI
TO 50 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.


DISCUSSION...LINE OF STRONG/SEVERE THUNDERSTORMS CONTINUE RAPIDLY
E/SEWD ACROSS NWRN MO.  WITH MORNING SOUNDINGS INDICATING VERY
UNSTABLE AIRMASS FEEDING INTO STORMS FROM THE SW...INTENSITY OF
LINE EXPECTED TO REMAIN AT OR ABOVE SEVERE FOR SEVERAL 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 550.  MEAN STORM
MOTION VECTOR 29040.


...HALES

;383,0941 402,0910 384,0894 365,0925;