[LeArc] Weather Watch : 0@ 7/9/2003 3:18:48 PM

[learc@mailman.qth.net]

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


WWUS20 KWNS 092017
SEL0  
SPC WW 092015
IAZ000-ILZ000-WIZ000-100200-

URGENT - IMMEDIATE BROADCAST REQUESTED
TORNADO WATCH NUMBER 700 
NWS STORM PREDICTION CENTER NORMAN OK 
315 PM CDT WED JUL 9 2003

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

       EASTERN IOWA
       NORTHWESTERN ILLINOIS
       EXTREME SOUTHWESTERN WISCONSIN

EFFECTIVE THIS WEDNESDAY AFTERNOON AND EVENING FROM 315 PM UNTIL
900 PM CDT.

TORNADOES...HAIL TO 2.5 INCHES IN DIAMETER...THUNDERSTORM WIND
GUSTS TO 80 MPH...AND DANGEROUS LIGHTNING ARE POSSIBLE IN THESE
AREAS.

THE TORNADO WATCH AREA IS ALONG AND 60 STATUTE MILES EAST AND WEST
OF A LINE FROM 40 MILES WEST NORTHWEST OF LONEROCK WISCONSIN TO 20
MILES EAST SOUTHEAST OF BURLINGTON IOWA.

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 695...WW 696...WW 697...WW
698...WW 699...


DISCUSSION...STORMS ARE EXPECTED TO DEVELOP ACROSS THE WW DURING THE
NEXT FEW HOURS AS SHORTWAVE TROUGH APPROACHES FROM THE WEST. AIR
MASS WILL CONTINUE DESTABILIZING AND DEEP LAYER SHEAR OF 40-50 KT
WILL BE SUFFICIENT FOR SUPERCELLS. LARGE HAIL AND DAMAGING WINDS ARE
EXPECTED TO BE THE MAIN THREAT. HOWEVER...THE SHEAR ALSO SUGGESTS
THAT TORNADOES ARE POSSIBLE..ESPECIALLY WITH STORMS THAT INTERSECT
BOUNDARY THAT EXTENDS FROM NEAR ALO TO NORTHEAST OF MLI.

AVIATION...TORNADOES AND A FEW SEVERE THUNDERSTORMS WITH HAIL
SURFACE AND ALOFT TO 2.5 INCHES. EXTREME TURBULENCE AND SURFACE
WIND GUSTS TO 70 KNOTS. A FEW CUMULONIMBI WITH MAXIMUM TOPS TO
550. MEAN STORM MOTION VECTOR 27030.


...IMY

;432,0894 403,0893 403,0915 432,0920; 
WWWW