[LeArc] Weather Watch : 1@ 5/10/2003 3:46:23 PM

[learc@mailman.qth.net]

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


WWUS20 KWNS 102045
SEL1  
SPC WW 102050
IAZ000-ILZ000-110300-

URGENT - IMMEDIATE BROADCAST REQUESTED
TORNADO WATCH NUMBER 341 
NWS STORM PREDICTION CENTER NORMAN OK 
350 PM CDT SAT MAY 10 2003

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

       EASTERN IOWA
       NORTHWEST ILLINOIS

EFFECTIVE THIS SATURDAY AFTERNOON AND EVENING FROM 350 PM UNTIL
1000 PM CDT.

...THIS IS A PARTICULARLY DANGEROUS SITUATION...

DESTRUCTIVE TORNADOES...LARGE HAIL TO 2 INCHES IN DIAMETER...
THUNDERSTORM WIND GUSTS TO 70 MPH...AND DANGEROUS LIGHTNING ARE
POSSIBLE IN THESE AREAS.

THE TORNADO WATCH AREA IS ALONG AND 70 STATUTE MILES NORTH AND
SOUTH OF A LINE FROM 55 MILES NORTH NORTHEAST OF PEORIA ILLINOIS
TO 65 MILES WEST NORTHWEST OF OTTUMWA IOWA.

REMEMBER...A TORNADO WATCH MEANS CONDITIONS ARE FAVORABLE FOR
TORNADOES AND 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.


OTHER WATCH INFORMATION...CONTINUE...WW 336...WW 337...WW 338...WW
339...WW 340...


DISCUSSION...SURFACE LOW IS FORECAST TO RAPIDLY DEEPEN AND TRACK
NORTHWARD INTO IA.  RAPID DESTABILIZATION IS FORECAST TO OCCUR OVER
EASTERN IA...WHERE THUNDERSTORM DEVELOPMENT SHOULD OCCUR SOON. 
TORNADIC SUPERCELLS ARE LIKELY...WITH THE POTENTIAL FOR DAMAGING
TORNADOES.


AVIATION...TORNADOES AND 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.


...HART

;402,0891 402,0933 422,0933 422,0891; 

WWWW