Alert archive / Illinois / Mesoscale Discussions in 2005
Mesoscale Discussion 2013
The Storm Prediction Center issued this mesoscale discussion at Aug 18, 2005, 9:00 AM CDT for 4 states. It was in force for 2 hr.
The area
The outline as issued.
The facts
- Issued
- Aug 18, 2005, 9:00 AM CDT (14:00 UTC)
- Expired
- Aug 18, 2005, 11:00 AM CDT
- In force
- 2 hr
- Issued by
- the Storm Prediction Center
All 53 counties
Boone County, IL, Bureau County, IL, Carroll County, IL, Cook County, IL, DeKalb County, IL, DeWitt County, IL, DuPage County, IL, Ford County, IL, Fulton County, IL, Grundy County, IL, Henderson County, IL, Henry County, IL, Iroquois County, IL, Kane County, IL, Kankakee County, IL, Kendall County, IL, Knox County, IL, Lake County, IL, LaSalle County, IL, Lee County, IL, Livingston County, IL, Logan County, IL, Marshall County, IL, Mason County, IL, McDonough County, IL, McHenry County, IL, McLean County, IL, Menard County, IL, Ogle County, IL, Peoria County, IL, Putnam County, IL, Schuyler County, IL, Stark County, IL, Stephenson County, IL, Tazewell County, IL, Warren County, IL, Whiteside County, IL, Will County, IL, Winnebago County, IL, Woodford County, IL, Benton County, IN, Jasper County, IN, Lake County, IN, LaPorte County, IN, Newton County, IN, Porter County, IN, Starke County, IN, Warren County, IN, Berrien County, MI, Kenosha County, WI, Racine County, WI, Rock County, WI, Walworth County, WI
The radar
The Chicago radar (KLOT), 44 km from the middle of the area, began a volume at 14:03 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.
The watches that followed
Watches SPC issued over any of the same counties within four hours of this discussion.
The text
As transmitted, in the capitals the NWS used until 2016.
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</html>SPC that day
Everything else SPC issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Aug 18, 9:25 AM CDT | Severe Thunderstorm Watch | SPC | Boone, Cook, DeKalb, DuPage, Grundy, Kane and 8 more | 6 hr |
| Aug 18, 1:16 PM CDT | Mesoscale Discussion | SPC | Ford, Grundy, Iroquois, Kankakee, Kendall, LaSalle and 2 more | 89 min |
| Aug 18, 2:09 PM CDT | Mesoscale Discussion | SPC | Boone, Bureau, Carroll, Henry, Jo Daviess, Lee and 6 more | 96 min |
| Aug 18, 4:49 PM CDT | Mesoscale Discussion | SPC | Adams, Brown, Hancock, Pike, Schuyler | 116 min |
| Aug 18, 5:35 PM CDT | Severe Thunderstorm Watch | SPC | Adams, Brown, Cass, Fulton, Greene, Hancock and 9 more | 6 hr |
| Aug 18, 2:50 PM CDT | Tornado Watch | SPC | Adams, Columbia, Crawford, Dane, Grant, Green and 15 more | 6 hr |
| Aug 18, 5:47 PM CDT | Mesoscale Discussion | SPC | Adams, Columbia, Crawford, Dane, Dodge, Fond du Lac and 24 more | 58 min |
| Aug 18, 5:50 PM CDT | Tornado Watch | SPC | Dodge, Fond du Lac, Green Lake, Jefferson, Kenosha, Walworth and 2 more | 5 hr |
Nearby
Mesoscale Discussions in Illinois, 2005Mesoscale Discussions in Indiana, 2005Mesoscale Discussions in Wisconsin, 2005Every mesoscale discussion in 2005
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.