[LeArc] Weather Watch : 7@ 4/4/2003 4:24:46 PM

[learc@mailman.qth.net]

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


WWUS20 KWNS 042223
SEL7  
SPC WW 042225
ILZ000-INZ000-KYZ000-MOZ000-050400-

URGENT - IMMEDIATE BROADCAST REQUESTED
TORNADO WATCH NUMBER 87
STORM PREDICTION CENTER NORMAN OK
425 PM CST FRI APR 4 2003

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

   SOUTHERN ILLINOIS                           
   SOUTHWEST INDIANA                            
   WESTERN KENTUCKY                           
   SOUTHEAST MISSOURI                           

EFFECTIVE THIS FRIDAY AFTERNOON AND EVENING FROM 425 PM UNTIL 1000
PM CST.

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 85 STATUTE MILES NORTH AND
SOUTH OF A LINE FROM 90 MILES NORTHWEST OF POPLAR BLUFF MISSOURI TO
10 MILES EAST SOUTHEAST OF OWENSBORO KENTUCKY.

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 85...WW 86...

DISCUSSION...SEVERE THUNDERSTORM DEVELOPING RAPIDLY AHEAD OF COLD
FRONT NOW MOVING EWD ACROSS MO INTO NWRN AR.  WITH STRONG DEEP
LAYER SHEAR...STEEP LAPSE RATES AND MODERATE
INSTABILITY...SUPERCELLS ARE LIKELY AHEAD OF THE FRONT.  IN
ADDITION TO TORNADOES...DAMAGING WINDS AND LARGE HAIL LIKELY...
PARTICULARLY ASSOCIATED WITH ANY SHORT LINES OR BOWS THAT EVOLVE
OUT OFTHE SUPERCELLS.


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 500. 
MEAN STORM MOTION VECTOR 24040.


...HALES

;385,0913 385,0870 362,0870 362,0913;

WWWW