[LeArc] Weather Watch : 3@ 11/10/02 11:02:33 AM
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Sun, 10 Nov 2002 11:02:35 -0600
The following weather message is provided by McDonough County E.S.D.A.
WWUS20 KWNS 101714
SEL3
SPC WW 101710
ILZ000-INZ000-MOZ000-102300-
URGENT - IMMEDIATE BROADCAST REQUESTED
TORNADO WATCH NUMBER 743
STORM PREDICTION CENTER NORMAN OK
1110 AM CST SUN NOV 10 2002
THE STORM PREDICTION CENTER HAS ISSUED A
TORNADO WATCH FOR PORTIONS OF
EASTERN AND SOUTHERN ILLINOIS
CENTRAL AND WESTERN INDIANA
SOUTHEAST MISSOURI
EFFECTIVE THIS SUNDAY MORNING AND AFTERNOON FROM 1110 AM UNTIL 500
PM CST.
TORNADOES...HAIL TO 1 INCH IN DIAMETER...THUNDERSTORM WIND GUSTS TO
80 MPH...AND DANGEROUS LIGHTNING ARE POSSIBLE IN THESE AREAS.
THE TORNADO WATCH AREA IS ALONG AND 75 STATUTE MILES EAST AND WEST
OF A LINE FROM 50 MILES SOUTHWEST OF CARBONDALE ILLINOIS TO 35
MILES WEST NORTHWEST OF MUNCIE INDIANA.
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.
DISCUSSION...THUNDERSTORMS ARE EXPECTED TO INCREASE IN
COVERAGE/INTENSITY BY EARLY AFTERNOON FROM SE MO TO W CENTRAL
INDIANA ALONG A SURFACE COLD FRONT. DESTABILIZATION HAS OCCURRED
E OF THE FRONT ACROSS IL/INDIANA...WHERE SBCAPE VALUES HAVE
INCREASED TO 1000-2000 J/KG. WIND PROFILES ARE ALSO QUITE STRONG
IN THIS SAME AREA...WITH FAVORABLE VERTICAL SHEAR/MOISTURE/
INSTABILITY FOR EMBEDDED SUPERCELLS WITH TORNADOES. OTHERWISE...
THERE WILL ALSO BE A THREAT FOR WIDESPREAD DAMAGING WINDS AS STORMS
MERGE INTO A LINE ALONG THE FRONT THIS AFTERNOON.
AVIATION...TORNADOES AND A FEW SEVERE THUNDERSTORMS WITH HAIL
SURFACE AND ALOFT TO 1 INCH...EXTREME TURBULENCE AND SURFACE WIND
GUSTS TO 70 KNOTS. A FEW CUMULONIMBI WITH MAXIMUM TOPS TO 450.
MEAN STORM MOTION VECTOR 24040.
...THOMPSON
;402,0843 371,0883 371,0911 402,0872;
WWWW