[LeArc] Weather Watch : 2@ 5/10/2003 3:58:19 PM

[learc@mailman.qth.net]

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


WWUS20 KWNS 102058
SEL2  
SPC WW 102100
ARZ000-ILZ000-MOZ000-110200-

URGENT - IMMEDIATE BROADCAST REQUESTED
TORNADO WATCH NUMBER 342 
NWS STORM PREDICTION CENTER NORMAN OK 
400 PM CDT SAT MAY 10 2003

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

       NORTHERN ARKANSAS
       SOUTHERN ILLINOIS
       SOUTHERN MISSOURI

EFFECTIVE THIS SATURDAY AFTERNOON AND EVENING FROM 400 PM UNTIL
900 PM CDT.

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

DESTRUCTIVE TORNADOES...LARGE HAIL TO 3 INCHES IN DIAMETER...
THUNDERSTORM WIND GUSTS TO 90 MPH...AND DANGEROUS LIGHTNING ARE
POSSIBLE IN THESE AREAS.

THE TORNADO WATCH AREA IS ALONG AND 95 STATUTE MILES EAST AND WEST
OF A LINE FROM 70 MILES WEST NORTHWEST OF CARBONDALE ILLINOIS TO
90 MILES SOUTH SOUTHEAST OF HARRISON ARKANSAS.

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...WW 341...


DISCUSSION...STRONG FORCING IS LIFTING NORTHEASTWARD ACROSS THE AREA
AND STORMS ARE EXPECTED TO EXPAND INTO THE AREA. STRONG LOW/MID
LEVEL SHEAR AND INSTABILITY INDICATES A POTENTIAL FOR STRONG
TORNADOES WITH VERY LARGE HAIL AND DAMAGING WINDS.   

AVIATION...TORNADOES AND A FEW SEVERE THUNDERSTORMS WITH HAIL
SURFACE AND ALOFT TO 3 INCHES. EXTREME TURBULENCE AND SURFACE WIND
GUSTS TO 80 KNOTS. A FEW CUMULONIMBI WITH MAXIMUM TOPS TO 550.
MEAN STORM MOTION VECTOR 24045.


...IMY

;380,0884 350,0905 350,0941 380,0921; 

WWWW