Alert archive / Illinois / Severe Thunderstorm Warnings in 2009
Severe Thunderstorm Warning 66, NWS Chicago, IL
NWS Chicago, IL issued this severe thunderstorm warning at Jul 16, 2009, 5:54 PM CDT for Cook County, DuPage County, Illinois. It was in force for 36 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 16, 2009, 5:54 PM CDT (22:54 UTC)
- Expired
- Jul 16, 2009, 6:30 PM CDT
- In force
- 36 min
- Issued by
- NWS Chicago, IL
- Area
- Storm-based polygon
Counties Cook County, IL, DuPage County, IL
The radar
The Chicago radar (KLOT), 35 km from the middle of the area, began a volume at 22:54 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 16, 3:30 AM CDT | Small Craft Advisory | LOT | 16 hr | |
| Jul 16, 6:22 PM CDT | Special Marine Warning | LOT | 38 min | |
| Jul 16, 6:43 PM CDT | Severe Thunderstorm Warning | LOT | Kendall, Will | 33 min |
Nearby
Severe Thunderstorm Warnings in Illinois, 2009Every severe thunderstorm warning in 2009
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.