Alert archive / South Dakota / Dense Fog Advisories in 2021
Dense Fog Advisory 15, NWS Sioux Falls, SD
NWS Sioux Falls, SD issued this dense fog advisory at Nov 4, 2021, 4:23 AM CDT for 12 counties in South Dakota; 11 counties in Iowa; 8 counties in Minnesota. It was in force for 10 hr.
The area
The counties it named.
The facts
- Issued
- Nov 4, 2021, 4:23 AM CDT (09:23 UTC)
- Expired
- Nov 4, 2021, 2:19 PM CDT
- In force
- 10 hr
- Issued by
- NWS Sioux Falls, SD
All 31 counties
Buena Vista County, IA, Cherokee County, IA, Clay County, IA, Dickinson County, IA, Ida County, IA, Lyon County, IA, O'Brien County, IA, Osceola County, IA, Plymouth County, IA, Sioux County, IA, Woodbury County, IA, Cottonwood County, MN, Jackson County, MN, Lincoln County, MN, Lyon County, MN, Murray County, MN, Nobles County, MN, Pipestone County, MN, Rock County, MN, Brookings County, SD, Clay County, SD, Kingsbury County, SD, Lake County, SD, Lincoln County, SD, McCook County, SD, Miner County, SD, Minnehaha County, SD, Moody County, SD, Turner County, SD, Union County, SD, Yankton County, SD
The radar
The Sioux Falls radar (KFSD), 41 km from the middle of the area, began a volume at 09:25 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.
Nearby
Dense Fog Advisories in South Dakota, 2021Dense Fog Advisories in Iowa, 2021Dense Fog Advisories in Minnesota, 2021Every dense fog advisory in 2021
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.