Alert archive / Illinois / Severe Thunderstorm Watches in 2003

Severe Thunderstorm Watch 314

May 8, 200338 counties in Illinois; 8 counties in Iowa

The Storm Prediction Center issued this severe thunderstorm watch at May 8, 2003, 9:10 PM CDT for 38 counties in Illinois; 8 counties in Iowa. It was in force for 6 hr.

The area

The outline as issued.

The facts

Issued: May 8, 2003, 9:10 PM CDT (02:10 UTC)
Expired: May 9, 2003, 3:00 AM CDT
In force: 6 hr
Issued by: the Storm Prediction Center

All 46 counties

Cedar County, IA, Clinton County, IA, Delaware County, IA, Dubuque County, IA, Jackson County, IA, Jones County, IA, Muscatine County, IA, Scott County, IA, Bureau County, IL, Carroll County, IL, Cass County, IL, Champaign County, IL, DeKalb County, IL, DeWitt County, IL, Douglas County, IL, Fulton County, IL, Henry County, IL, Jo Daviess County, IL, Knox County, IL, LaSalle County, IL, Lee County, IL, Livingston County, IL, Logan County, IL, Macon County, IL, Marshall County, IL, Mason County, IL, McDonough County, IL, McLean County, IL, Menard County, IL, Mercer County, IL, Morgan County, IL, Moultrie County, IL, Ogle County, IL, Peoria County, IL, Piatt County, IL, Putnam County, IL, Rock Island County, IL, Sangamon County, IL, Schuyler County, IL, Stark County, IL, Stephenson County, IL, Tazewell County, IL, Warren County, IL, Whiteside County, IL, Winnebago County, IL, Woodford County, IL

The radar

The Quad Cities radar (KDVN), 90 km from the middle of the area, began a volume at 02:13 UTC, the scan nearest the moment this went out.

Open the radar archive at this moment

The archived warnings, watches and discussions in force at that minute are drawn over the scan, this one among them.

Warnings issued inside it

19 tornado, severe thunderstorm and flash flood warnings for its counties while it was in force.

Issued	Product	Office	Counties	Lasted
May 8, 9:15 PM CDT	Severe Thunderstorm Warning	ILX	Knox	60 min
May 8, 9:17 PM CDT	Severe Thunderstorm Warning	ILX	Cass	43 min
May 8, 9:30 PM CDT	Severe Thunderstorm Warning	DVN	Warren	30 min
May 8, 9:32 PM CDT	Severe Thunderstorm Warning	ILX	Fulton, Mason	58 min
May 8, 10:09 PM CDT	Severe Thunderstorm Warning	ILX	Tazewell	66 min
May 8, 10:16 PM CDT	Severe Thunderstorm Warning	ILX	Knox	59 min
May 8, 10:17 PM CDT	Severe Thunderstorm Warning	ILX	Knox	58 min
May 8, 10:18 PM CDT	Severe Thunderstorm Warning	ILX	Cass, Morgan, Scott	57 min
May 8, 10:30 PM CDT	Severe Thunderstorm Warning	ILX	Mason	45 min
May 8, 10:30 PM CDT	Severe Thunderstorm Warning	ILX	Fulton, Peoria, Stark	60 min
May 8, 10:51 PM CDT	Severe Thunderstorm Warning	ILX	Menard, Sangamon	54 min
May 8, 10:53 PM CDT	Severe Thunderstorm Warning	ILX	Marshall, Woodford	52 min
May 8, 11:09 PM CDT	Severe Thunderstorm Warning	ILX	Logan	51 min
May 8, 11:14 PM CDT	Severe Thunderstorm Warning	LOT	Livingston	46 min
May 8, 11:19 PM CDT	Severe Thunderstorm Warning	ILX	McLean	71 min
May 8, 11:36 PM CDT	Severe Thunderstorm Warning	ILX	DeWitt	39 min
May 8, 11:42 PM CDT	Severe Thunderstorm Warning	ILX	Macon	48 min
May 9, 12:00 AM CDT	Severe Thunderstorm Warning	ILX	Piatt	30 min
May 9, 12:08 AM CDT	Severe Thunderstorm Warning	ILX	Champaign	52 min

Discussions around it

SPC mesoscale discussions over the same counties from four hours before the watch to its end.

The text

As transmitted, in the capitals the NWS used until 2016.

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SPC that day

Everything else SPC issued on the same UTC day.

Issued	Product	Office	Counties	Lasted
May 8, 7:06 PM CDT	Mesoscale Discussion	SPC	Hamilton, White	54 min
May 8, 7:55 PM CDT	Severe Thunderstorm Watch	SPC	Adams, Brown, Hancock, Henderson, Pike, Scott	5 hr
May 8, 9:27 PM CDT	Mesoscale Discussion	SPC	Adams, Brown, Bureau, Carroll, Cass, Champaign and 40 more	93 min
May 8, 11:50 PM CDT	Mesoscale Discussion	SPC	Adams, Brown, Hancock, Henderson, Pike, Scott	55 min
May 9, 12:05 AM CDT	Severe Thunderstorm Watch	SPC	Bond, Brown, Calhoun, Cass, Champaign, Christian and 28 more	6 hr
May 9, 2:02 PM CDT	Mesoscale Discussion	SPC	Edwards, Lawrence, Wabash, Wayne, White	2 hr
May 9, 2:48 PM CDT	Mesoscale Discussion	SPC	Clinton, Edwards, Franklin, Gallatin, Hamilton, Hardin and 15 more	117 min
May 9, 4:17 PM CDT	Mesoscale Discussion	SPC	Adams, Bond, Brown, Calhoun, Cass, Christian and 21 more	28 min
May 9, 4:45 PM CDT	Tornado Watch	SPC	Calhoun, Greene, Morgan, Pike, Scott	6 hr
May 9, 5:44 PM CDT	Mesoscale Discussion	SPC	Champaign, Christian, Clark, Coles, Cumberland, DeWitt and 15 more	31 min
May 9, 6:05 PM CDT	Tornado Watch	SPC	Bond, Champaign, Christian, Clark, Clinton, Coles and 13 more	5 hr

Nearby

Severe Thunderstorm Watches in Illinois, 2003 Severe Thunderstorm Watches in Iowa, 2003 Every severe thunderstorm watch in 2003

Sources

The product and its follow-ups from the Iowa Environmental Mesonet's archive of National Weather Service and Storm Prediction Center text; radar from the NEXRAD Level II archive.