Alert archive / North Dakota / Dense Fog Advisories in 2021

Dense Fog Advisory 12, NWS Grand Forks, ND

October 28, 20217 counties in North Dakota; 6 counties in Minnesota

NWS Grand Forks, ND issued this dense fog advisory at Oct 28, 2021, 1:41 AM CDT for 7 counties in North Dakota; 6 counties in Minnesota. It was in force for 7 hr.

The area

The counties it named.

The facts

Issued: Oct 28, 2021, 1:41 AM CDT (06:41 UTC)
Expired: Oct 28, 2021, 9:00 AM CDT
In force: 7 hr
Issued by: NWS Grand Forks, ND

Counties Clay County, MN, Kittson County, MN, Marshall County, MN, Norman County, MN, Polk County, MN, Wilkin County, MN, Cass County, ND, Grand Forks County, ND, Pembina County, ND, Richland County, ND, Steele County, ND, Traill County, ND, Walsh County, ND

The radar

The Fargo/Grand Forks radar (KMVX), 27 km from the middle of the area, began a volume at 06:42 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.

What forecasters said that day

The local office's own words before this dense fog advisory went out, as it sent them, from the Iowa Environmental Mesonet's archive of National Weather Service text.

NWS Grand Forks, ND wrote its last area forecast discussion before this dense fog advisory went out at Oct 27, 11:46 PM CDT, 1 hour 55 minutes earlier.

Area forecast discussion, Oct 27, 11:46 PM CDT, 1 hour 55 minutes before

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Hazardous weather outlook, Oct 27, 8:52 PM CDT, 4 hours 49 minutes before

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Nearby

Dense Fog Advisories in North Dakota, 2021 Dense Fog Advisories in Minnesota, 2021 Every 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.