[LeArc] Weather Watch : 2@ 5/8/2003 7:50:16 PM

[learc@mailman.qth.net]

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


WWUS20 KWNS 090049
SEL2  
SPC WW 090055
IAZ000-ILZ000-MOZ000-090600-

URGENT - IMMEDIATE BROADCAST REQUESTED
SEVERE THUNDERSTORM WATCH NUMBER 312 
NWS STORM PREDICTION CENTER NORMAN OK 
755 PM CDT THU MAY 8 2003

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

       CENTRAL AND EASTERN IOWA
       WESTERN ILLINOIS
       NORTHEASTERN MISSOURI

EFFECTIVE THIS THURSDAY NIGHT AND FRIDAY MORNING FROM 755 PM UNTIL
100 AM CDT.

HAIL TO 3 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 75 STATUTE MILES
EAST AND WEST OF A LINE FROM 30 MILES WEST NORTHWEST OF WATERLOO
IOWA TO 45 MILES SOUTHWEST OF QUINCY 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 304...WW 305...WW 306...WW
307...WW 308...WW 309...WW 310...WW 311...


DISCUSSION...STRONG WARM ADVECTION N OF WARM FRONT OF VERY UNSTABLE
AIRMASS WILL CONTINUE TO GENERATE STRONG/SEVERE THUNDERSTORMS WITH
LARGE HAIL MAIN THREAT.

AVIATION...A FEW SEVERE THUNDERSTORMS WITH HAIL SURFACE AND ALOFT
TO 3 INCHES. EXTREME TURBULENCE AND SURFACE WIND GUSTS TO 60
KNOTS. A FEW CUMULONIMBI WITH MAXIMUM TOPS TO 500. MEAN STORM
MOTION VECTOR 23045.


...HALES

;424,0912 392,0902 392,0931 424,0942; 

WWWW