[LeArc] Weather Watch : 1@ 5/9/2003 4:39:36 PM

[learc@mailman.qth.net]

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


WWUS20 KWNS 092139
SEL1  
SPC WW 092145
ILZ000-KSZ000-MOZ000-OKZ000-100400-

URGENT - IMMEDIATE BROADCAST REQUESTED
TORNADO WATCH NUMBER 321 
NWS STORM PREDICTION CENTER NORMAN OK 
445 PM CDT FRI MAY 9 2003

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

       WESTERN ILLINOIS
       SOUTHEAST KANSAS
       NORTHERN AND WESTERN MISSOURI
       NORTHEAST OKLAHOMA

EFFECTIVE THIS FRIDAY AFTERNOON AND EVENING FROM 445 PM UNTIL 1100
PM CDT.

TORNADOES...HAIL TO 3 INCHES IN DIAMETER...THUNDERSTORM WIND GUSTS
TO 80 MPH...AND DANGEROUS LIGHTNING ARE POSSIBLE IN THESE AREAS.

THE TORNADO WATCH AREA IS ALONG AND 100 STATUTE MILES EAST AND
WEST OF A LINE FROM 20 MILES EAST SOUTHEAST OF TULSA OKLAHOMA TO
80 MILES NORTH NORTHEAST OF COLUMBIA MISSOURI.

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 317...WW 318...WW 319...WW
320...


DISCUSSION...VERY UNSTABLE AIRMASS TO E OF DRY LINE/FRONTAL ZONE
FROM SERN KS TO E OF MKC TO NEAR UIN.  SEVERE THUNDERSTORMS WILL
RAPIDLY DEVELOP  VICINITY AND E OF BOUNDARY.  40-50KT OF DEEP LAYER
SHEAR SUPPORT SUPERCELLS WITH LARGE HAIL AND TORNADOES.

AVIATION...TORNADOES AND A FEW SEVERE THUNDERSTORMS WITH HAIL
SURFACE AND ALOFT TO 3 INCHES. EXTREME TURBULENCE AND SURFACE WIND
GUSTS TO 70 KNOTS. A FEW CUMULONIMBI WITH MAXIMUM TOPS TO 600.
MEAN STORM MOTION VECTOR 24035.


...HALES

;360,0971 395,0933 395,0894 360,0934; 
WWWW