Alert archive / Illinois / Severe Thunderstorm Watches in 2005
Severe Thunderstorm Watch 651
The Storm Prediction Center issued this severe thunderstorm watch at Jul 20, 2005, 11:30 AM CDT for 37 counties in Illinois; 17 counties in Indiana; 7 counties in Michigan. It was in force for 7 hr.
The area
The outline as issued.
The facts
- Issued
- Jul 20, 2005, 11:30 AM CDT (16:30 UTC)
- Expired
- Jul 20, 2005, 6:00 PM CDT
- In force
- 7 hr
- Issued by
- the Storm Prediction Center
All 61 counties
Bureau County, IL, Cass County, IL, Champaign County, IL, Christian County, IL, Cook County, IL, DeKalb County, IL, DeWitt County, IL, DuPage County, IL, Ford County, IL, Fulton County, IL, Grundy 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, Macon County, IL, Marshall County, IL, Mason County, IL, McLean County, IL, Menard County, IL, Peoria County, IL, Piatt County, IL, Putnam County, IL, Sangamon County, IL, Stark County, IL, Tazewell County, IL, Vermilion County, IL, Warren County, IL, Will County, IL, Woodford County, IL, Benton County, IN, Elkhart County, IN, Fulton County, IN, Jasper County, IN, Kosciusko County, IN, LaGrange County, IN, Lake County, IN, LaPorte County, IN, Marshall County, IN, Newton County, IN, Noble County, IN, Porter County, IN, Pulaski County, IN, Saint Joseph County, IN, Starke County, IN, Warren County, IN, White County, IN, Allegan County, MI, Berrien County, MI, Cass County, MI, Kalamazoo County, MI, Ottawa County, MI, Saint Joseph County, MI, Van Buren County, MI
The radar
The Chicago radar (KLOT), 37 km from the middle of the area, began a volume at 16:30 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
6 tornado, severe thunderstorm and flash flood warnings for its counties while it was in force.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Jul 20, 12:34 PM CDT | Severe Thunderstorm Warning | LOT | Lake | 43 min |
| Jul 20, 3:00 PM CDT | Severe Thunderstorm Warning | IWX | Kosciusko | 60 min |
| Jul 20, 3:23 PM CDT | Severe Thunderstorm Warning | GRR | Allegan | 41 min |
| Jul 20, 3:27 PM CDT | Severe Thunderstorm Warning | GRR | Van Buren | 39 min |
| Jul 20, 3:37 PM CDT | Severe Thunderstorm Warning | GRR | Kalamazoo | 53 min |
| Jul 20, 3:52 PM CDT | Severe Thunderstorm Warning | IWX | Cass, Saint Joseph | 53 min |
Discussions around it
SPC mesoscale discussions over the same counties from four hours before the watch to its end.
SPC that day
Everything else SPC issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Jul 20, 11:32 AM CDT | Mesoscale Discussion | SPC | Boone, Bureau, Champaign, Cook, DeKalb, DeWitt and 34 more | 58 min |
| Jul 20, 3:12 PM CDT | Mesoscale Discussion | SPC | Champaign, Ford, Iroquois, Vermilion | 93 min |
| Jul 20, 5:44 PM CDT | Mesoscale Discussion | SPC | Champaign, Christian, DeWitt, Ford, Iroquois, Kankakee and 9 more | 61 min |
Nearby
Severe Thunderstorm Watches in Illinois, 2005Severe Thunderstorm Watches in Indiana, 2005Severe Thunderstorm Watches in Michigan, 2005Every severe thunderstorm watch 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.