Alert archive / Illinois / Flash Flood Warnings in 2022
Flash Flood Warning 4, NWS Chicago, IL
NWS Chicago, IL issued this flash flood warning at Jul 4, 2022, 11:56 PM CDT for Boone County, Winnebago County, Illinois. It was in force for 5 hr. No storm report in the archive falls inside the area while it was in force.
The area
The counties it named.
The facts
- Issued
- Jul 4, 2022, 11:56 PM CDT (04:56 UTC)
- Expired
- Jul 5, 2022, 5:00 AM CDT
- In force
- 5 hr
- Issued by
- NWS Chicago, IL
- Area
- Storm-based polygon
- Flood severity
- None
Counties Boone County, IL, Winnebago County, IL
The radar
The Milwaukee radar (KMKX), 80 km from the middle of the area, began a volume at 04:56 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 office that day
Everything else NWS Chicago, IL issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Jul 4, 8:32 PM CDT | Severe Thunderstorm Warning | LOT | Boone, McHenry, Winnebago | 58 min |
| Jul 4, 9:28 PM CDT | Special Weather Statement | LOT | Boone, McHenry | 92 min |
| Jul 4, 9:30 PM CDT | Severe Thunderstorm Warning | LOT | Boone, Winnebago | 45 min |
| Jul 4, 9:57 PM CDT | Special Weather Statement | LOT | Winnebago | 93 min |
| Jul 4, 10:05 PM CDT | Severe Thunderstorm Warning | LOT | Boone, McHenry | 35 min |
| Jul 4, 10:15 PM CDT | Special Marine Warning | LOT | 75 min | |
| Jul 4, 10:55 PM CDT | Severe Thunderstorm Warning | LOT | Cook, Kane, Lake, McHenry | 50 min |
| Jul 4, 11:04 PM CDT | Severe Thunderstorm Warning | LOT | Boone, Winnebago | 56 min |
| Jul 4, 11:16 PM CDT | Severe Thunderstorm Warning | LOT | Cook, Lake | 59 min |
| Jul 4, 11:21 PM CDT | Special Marine Warning | LOT | 3 hr | |
| Jul 4, 11:22 PM CDT | Severe Thunderstorm Warning | LOT | Kane, McHenry | 68 min |
| Jul 4, 11:31 PM CDT | Areal Flood Advisory | LOT | Boone, Cook, DeKalb, Kane, Lake, McHenry and 1 more | 6 hr |
| Jul 4, 11:51 PM CDT | Severe Thunderstorm Warning | LOT | Cook, DuPage | 69 min |
| Jul 4, 11:58 PM CDT | Severe Thunderstorm Warning | LOT | Cook, DuPage, Kane, Lake | 62 min |
| Jul 5, 12:14 AM CDT | Severe Thunderstorm Warning | LOT | Cook | 38 min |
| Jul 5, 12:15 AM CDT | Flash Flood Warning | LOT | Boone, Cook, DeKalb, Kane, Lake, McHenry | 5 hr |
| Jul 5, 12:21 AM CDT | Flash Flood Warning | LOT | Cook, DuPage | 5 hr |
| Jul 5, 12:36 AM CDT | Severe Thunderstorm Warning | LOT | Cook, DuPage, Will | 69 min |
| Jul 5, 12:51 AM CDT | Special Marine Warning | LOT | 84 min | |
| Jul 5, 3:54 AM CDT | Flood Watch | LOT | Boone, Cook, DuPage, Kane, Lake, McHenry and 2 more | 23 hr |
| Jul 5, 11:25 AM CDT | Marine Dense Fog Advisory | LOT | 5 hr | |
| Jul 5, 3:51 PM CDT | Special Weather Statement | LOT | McHenry | 24 min |
| Jul 5, 5:29 PM CDT | Special Weather Statement | LOT | McHenry | 46 min |
| Jul 5, 5:37 PM CDT | Severe Thunderstorm Warning | LOT | Winnebago | 68 min |
| Jul 5, 5:53 PM CDT | Severe Thunderstorm Warning | LOT | McHenry | 67 min |
| Jul 5, 5:56 PM CDT | Tornado Warning | LOT | McHenry | 16 min |
| Jul 5, 6:34 PM CDT | Areal Flood Advisory | LOT | McHenry | 36 min |
| Jul 5, 6:43 PM CDT | Severe Thunderstorm Warning | LOT | Boone, McHenry | 77 min |
| Jul 5, 1:12 AM CDT | Special Weather Statement | LOT | Lake | 63 min |
Nearby
Flash Flood Warnings in Illinois, 2022Every flash flood warning in 2022
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.