Alert archive / Illinois / Severe Thunderstorm Warnings in 2007
Severe Thunderstorm Warning 73, NWS Chicago, IL
NWS Chicago, IL issued this severe thunderstorm warning at Jul 9, 2007, 4:27 PM CDT for DeKalb County, Illinois. It was in force for 41 min. 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 9, 2007, 4:27 PM CDT (21:27 UTC)
- Expired
- Jul 9, 2007, 5:08 PM CDT
- In force
- 41 min
- Issued by
- NWS Chicago, IL
- Area
- Counties, with a storm outline in the text
County DeKalb County, IL
The radar
The Chicago radar (KLOT), 65 km from the middle of the area, began a volume at 21:29 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 watch it was issued in
The SPC watch in force over the same counties when this warning went out.
| Issued | Product | Office | Lasted |
|---|---|---|---|
| Jul 9, 2:23 PM CDT | Severe Thunderstorm Watch | SPC | 6 hr |
What forecasters said that day
The local office's own words before this severe thunderstorm warning went out, as it sent them, from the Iowa Environmental Mesonet's archive of National Weather Service text.
NWS Chicago, IL wrote its last area forecast discussion before this severe thunderstorm warning went out at Jul 8, 6:25 PM CDT, 22 hours 2 minutes earlier.
Area forecast discussion, Jul 8, 6:25 PM CDT, 22 hours 2 minutes before
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</html>The office that day
Everything else NWS Chicago, IL issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Jul 9, 2:14 PM CDT | Severe Thunderstorm Warning | LOT | McHenry | 61 min |
| Jul 9, 2:34 PM CDT | Severe Thunderstorm Warning | LOT | Lake | 56 min |
| Jul 9, 2:37 PM CDT | Special Marine Warning | LOT | 83 min | |
| Jul 9, 2:54 PM CDT | Flash Flood Warning | LOT | McHenry | 5 hr |
| Jul 9, 3:19 PM CDT | Severe Thunderstorm Warning | LOT | Kane, McHenry | 56 min |
| Jul 9, 3:38 PM CDT | Severe Thunderstorm Warning | LOT | DeKalb, Kane | 52 min |
| Jul 9, 3:44 PM CDT | Severe Thunderstorm Warning | LOT | Cook, DuPage, Kane | 61 min |
| Jul 9, 4:07 PM CDT | Severe Thunderstorm Warning | LOT | Will | 23 min |
| Jul 9, 4:25 PM CDT | Flash Flood Warning | LOT | DeKalb | 4 hr |
| Jul 9, 4:48 PM CDT | Severe Thunderstorm Warning | LOT | Will | 36 min |
| Jul 9, 4:59 PM CDT | Severe Thunderstorm Warning | LOT | Lee | 46 min |
| Jul 9, 5:38 PM CDT | Flash Flood Warning | LOT | Lee | 4 hr |
| Jul 9, 5:49 PM CDT | Severe Thunderstorm Warning | LOT | DeKalb, Kane | 29 min |
| Jul 9, 5:56 PM CDT | River Flood Warning | LOT | DeKalb | 3 hr |
Nearby
Severe Thunderstorm Warnings in Illinois, 2007Every severe thunderstorm warning in 2007
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.