Alert archive / Oregon / Dense Fog Advisories in 2021

Dense Fog Advisory 2, NWS Medford, OR

January 7, 20215 counties in Oregon

NWS Medford, OR issued this dense fog advisory at Jan 7, 2021, 4:58 AM PST for 5 counties in Oregon. It was in force for 5 hr.

The area

The counties it named.

The facts

Issued: Jan 7, 2021, 4:58 AM PST (12:58 UTC)
Expired: Jan 7, 2021, 10:00 AM PST
In force: 5 hr
Issued by: NWS Medford, OR

Counties Coos County, OR, Curry County, OR, Douglas County, OR, Jackson County, OR, Josephine County, OR

The radar

The Medford radar (KMAX), 101 km from the middle of the area, began a volume at 12:54 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.

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 Medford, OR wrote its last area forecast discussion before this dense fog advisory went out at Jan 7, 3:29 AM PST, 1 hour 29 minutes earlier.

Area forecast discussion, Jan 7, 3:29 AM PST, 1 hour 29 minutes before

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The office that day

Everything else NWS Medford, OR issued on the same UTC day.

Issued	Product	Office	Counties	Lasted
Jan 7, 1:53 AM PST	Gale Warning	MFR		26 hr
Jan 7, 1:53 AM PST	Hazardous Seas Warning	MFR		37 hr
Jan 7, 2:38 AM PST	Wind Advisory	MFR	Klamath, Lake	31 hr
Jan 7, 2:38 AM PST	Winter Weather Advisory	MFR	Douglas, Jackson, Josephine, Klamath	31 hr
Jan 7, 2:00 PM PST	Small Craft Advisory	MFR		59 hr

Nearby

Dense Fog Advisories in Oregon, 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.