Alert archive / Alabama / Dense Fog Advisories in 2017

Dense Fog Advisory 21, NWS Huntsville, AL

December 19, 201711 counties in Alabama; Franklin County, Lincoln County, Moore County, Tennessee

NWS Huntsville, AL issued this dense fog advisory at Dec 19, 2017, 6:47 PM CST for 11 counties in Alabama; Franklin County, Lincoln County, Moore County, Tennessee. It was in force for 8 hr.

The area

The counties it named.

The facts

Issued: Dec 19, 2017, 6:47 PM CST (00:47 UTC)
Expired: Dec 20, 2017, 3:00 AM CST
In force: 8 hr
Issued by: NWS Huntsville, AL

Counties Colbert County, AL, Cullman County, AL, DeKalb County, AL, Franklin County, AL, Jackson County, AL, Lauderdale County, AL, Lawrence County, AL, Limestone County, AL, Madison County, AL, Marshall County, AL, Morgan County, AL, Franklin County, TN, Lincoln County, TN, Moore County, TN

The radar

The Northeast Alabama radar (KHTX), 69 km from the middle of the area, began a volume at 00:48 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 Huntsville, AL wrote its last area forecast discussion before this dense fog advisory went out at Dec 19, 6:06 PM CST, 41 minutes earlier.

Area forecast discussion, Dec 19, 6:06 PM CST, 41 minutes before

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Hazardous weather outlook, Dec 19, 3:46 PM CST, 3 hours 1 minute before

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In the hours before

Local storm report, Dec 19, 5:59 PM CST, 48 minutes before

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The office that day

Everything else NWS Huntsville, AL issued on the same UTC day.

Issued	Product	Office	Counties	Lasted
Dec 20, 7:12 AM CST	Flash Flood Warning	HUN	Lawrence, Madison, Marshall, Morgan	3 hr
Dec 20, 7:46 AM CST	Areal Flood Warning	HUN	Cullman, DeKalb, Jackson, Madison, Marshall, Morgan	6 hr
Dec 20, 8:20 AM CST	Flash Flood Warning	HUN	DeKalb	4 hr
Dec 20, 3:32 PM CST	Special Weather Statement	HUN	Limestone	28 min
Dec 20, 3:55 PM CST	Severe Thunderstorm Warning	HUN	Limestone, Madison	19 min
Dec 20, 4:25 PM CST	Special Weather Statement	HUN	Madison	35 min
Dec 20, 4:51 PM CST	Special Weather Statement	HUN	Madison	24 min
Dec 20, 5:20 PM CST	Special Weather Statement	HUN	Jackson	25 min
Dec 20, 5:48 PM CST	Special Weather Statement	HUN	DeKalb	27 min

Nearby

Dense Fog Advisories in Alabama, 2017 Dense Fog Advisories in Tennessee, 2017 Every 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.