[LeArc] Weather Watch : 8@ 4/30/2003 5:13:32 PM

[learc@mailman.qth.net]

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


WWUS20 KWNS 302212
SEL8  
SPC WW 302215
IAZ000-ILZ000-KSZ000-MOZ000-010400-

URGENT - IMMEDIATE BROADCAST REQUESTED
TORNADO WATCH NUMBER 188 
NWS STORM PREDICTION CENTER NORMAN OK 
515 PM CDT WED APR 30 2003

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

       SOUTHERN AND SOUTHEASTERN IOWA
       EXTREME WEST CENTRAL ILLINOIS
       EXTREME NORTHEAST KANSAS
       NORTH AND NORTHWEST MISSOURI

EFFECTIVE THIS WEDNESDAY AFTERNOON AND EVENING FROM 515 PM UNTIL
1100 PM CDT.

TORNADOES...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 75 STATUTE MILES NORTH AND
SOUTH OF A LINE FROM 15 MILES WEST SOUTHWEST OF SAINT JOSEPH
MISSOURI TO 15 MILES SOUTH OF MOLINE ILLINOIS.

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 187...


DISCUSSION...SEVERE STORMS WILL DEVELOP IN THE NEXT FEW HOURS ALONG
THE SURFACE FRONT FROM FAR NW MO ENEWD ACROSS S/SE IA.	DEEP LAYER
SHEAR AND INSTABILITY ARE SUFFICIENT FOR SUPERCELLS WITH LARGE HAIL
AND DAMAGING WINDS.  ADDITIONALLY...A COUPLE OF TORNADOES WILL BE
POSSIBLE WITH STORMS MOVING ALONG THE BOUNDARY WHERE LOW-LEVEL SHEAR
WILL BE MAXIMIZED.

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 25025.


...THOMPSON

;404,0951 421,0903 400,0903 383,0951; 
WWWW