Alert archive / Illinois / Dense Fog Advisories in 2017
Dense Fog Advisory 21, NWS Chicago, IL
NWS Chicago, IL issued this dense fog advisory at Nov 12, 2017, 9:39 PM CST for 7 counties in Illinois. It took effect at Nov 12, 2017, 11:00 PM CST. It was in force for 13 hr.
The area
The counties it named.
The facts
- Issued
- Nov 12, 2017, 9:39 PM CST (03:39 UTC)
- In effect from
- Nov 12, 2017, 11:00 PM CST
- Expired
- Nov 13, 2017, 12:00 PM CST
- In force
- 13 hr
- Issued by
- NWS Chicago, IL
Counties Boone County, IL, DeKalb County, IL, Kane County, IL, Lee County, IL, McHenry County, IL, Ogle County, IL, Winnebago County, IL
The radar
The Chicago radar (KLOT), 86 km from the middle of the area, began a volume at 03:45 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 |
|---|---|---|---|---|
| Nov 13, 2:51 PM CST | Gale Watch | LOT | 12 hr |
Nearby
Dense Fog Advisories in Illinois, 2017Every dense fog advisory in 2017
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.