[LeArc] Weather Watch : 6@ 6/10/2003 3:41:15 PM

[learc@mailman.qth.net]

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


WWUS20 KWNS 102040
SEL6  
SPC WW 102040
ILZ000-MOZ000-110200-

URGENT - IMMEDIATE BROADCAST REQUESTED
SEVERE THUNDERSTORM WATCH NUMBER 506 
NWS STORM PREDICTION CENTER NORMAN OK 
340 PM CDT TUE JUN 10 2003

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

       CENTRAL ILLINOIS
       CENTRAL MISSOURI

EFFECTIVE THIS TUESDAY AFTERNOON AND EVENING FROM 340 PM UNTIL 900
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 95 STATUTE MILES
NORTH AND SOUTH OF A LINE FROM 20 MILES WEST OF JEFFERSON CITY
MISSOURI TO 40 MILES EAST SOUTHEAST OF SPRINGFIELD 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 504...WW 505...


DISCUSSION...COMPLEX OF STRONG/SEVERE THUNDERSTORMS NOW INCREASING
OVER CENTRAL MO WILL CONTINUE ENEWD THROUGH THE EVENING AS CAP
WEAKENS OVER E-CENTRAL MO/CENTRAL IL.  VERY UNSTABLE AIR MASS AND
STEEP LAPSE RATES SHOULD MAINTAIN A THREAT OF LARGE HAIL...WITH
DAMAGING WIND POTENTIAL INCREASING SHOULD ACTIVITY BECOME MORE
SURFACE BASED/ORGANIZED ALONG A COMMON OUTFLOW.  CONVECTION MAY ALSO
FORM NEAR COLD FRONT MOVING SEWD INTO NERN MO/NWRN IL ATTM.

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 24035.


...EVANS

;395,0923 410,0885 381,0885 371,0923; 
WWWW