[LeArc] Severe Thunderstorm Watch number 193 till 4am for area.

[Duane Whittingham]

urgent - immediate broadcast requested Severe Thunderstorm Watch 
number 193 NWS Storm Prediction Center Norman OK 1055 PM CDT Wed Apr 
30 2003

The NWS Storm Prediction Center has issued a Severe Thunderstorm 
Watch for portions of

Central and northeast Illinois northwest Indiana northeast Missouri 
Lake Michigan

Effective this Wednesday night and Thursday morning from 1055 PM 
until 400 am CDT.

Hail to 2 inches in diameter... thunderstorm wind gusts to 70 mph... 
and dangerous lightning are possible in these areas.

The Severe Thunderstorm Watch area is along and 50 statute miles 
north and south of a line from 40 miles north northwest of Columbia 
Missouri to 90 miles east of Marseilles Illinois.

Remember... a Severe Thunderstorm Watch means conditions are 
favorable for 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. Severe thunderstorms can and occasionally do produce 
tornadoes.

Other watch information... this Severe Thunderstorm Watch replaces 
Tornado Watch number 188... Severe Thunderstorm Watch number 189. 
Watch number 188 189 will not be in effect after 1055 PM CDT. 
Continue... ww 190... ww 191... ww 192...


Discussion... earlier supercells in NW IL have evolved into a Bow 
echo across nrn IL. Expect the Bow echo to persist for a few more 
hours while moving ewd across NE IL/NW Indiana with the threat of 
damaging winds. Farther W... scattered severe storms should persist 
along the cold front and outflow boundaries from previous convection 
from NE MO into wrn/central IL. Large hail and damaging gusts will be 
possible with the more intense storms.

Aviation... a few severe thunderstorms with hail surface and aloft to 
2 inches. Extreme turbulence and surface wind gusts to 60 knots. A 
few cumulonimbi with maximum tops to 500. Mean storm motion vector 
27035.


... Thompson

AREAL OUTLINE FOR SEVERE THUNDERSTORM WATCH NUMBER 193
NATIONAL WEATHER SERVICE CHICAGO IL
1053 PM CDT WED APR 30 2003

SEVERE THUNDERSTORM WATCH NUMBER 193 IS IN EFFECT UNTIL 400 AM
CDT(400 AM EST).

IN ILLINOIS THIS WATCH INCLUDES 37 COUNTIES...
ILC001-009-017-057-067-071-095-109-137-149-169-171-187-010900-
IN WEST CENTRAL ILLINOIS THIS WATCH INCLUDES 13 COUNTIES...
KNOX...HENDERSON...WARREN...FULTON...HANCOCK...MCDONOUGH...
SCHUYLER...ADAMS...CASS...BROWN...MORGAN...PIKE AND SCOTT

$$


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Duane Whittingham (N9SSN) - Producer
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