Thanatos Weather
Wednesday, Sep 17, 2025 05:41:39

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Dense Fog Advisory 0021
Issued by the Duluth Forecast Office

Action Issued Starts Expiration
New 2025-09-14 07:25:41 2025-09-14 07:25:00 2025-09-14 11:00:00
Expired 2025-09-14 10:51:20 2025-09-14 11:00:00


Action: New
Issued At: 2025-09-14 07:25:41

760 
WWUS73 KDLH 141225
NPWDLH

URGENT - WEATHER MESSAGE
National Weather Service Duluth MN
725 AM CDT Sun Sep 14 2025

MNZ037-WIZ001-141600-
/O.NEW.KDLH.FG.Y.0021.250914T1225Z-250914T1600Z/
Carlton and South St. Louis-Douglas-
Including the cities of Duluth and Superior
725 AM CDT Sun Sep 14 2025

...DENSE FOG ADVISORY IN EFFECT UNTIL 11 AM CDT THIS MORNING...

* WHAT...Visibility one quarter to one half mile in dense fog.

* WHERE...In Minnesota, Carlton and South St. Louis Counties. In 
  Wisconsin, Douglas County. This includes the Tribal Lands of the 
  Fond du Lac Band.

* WHEN...Until 11 AM CDT this morning.

* IMPACTS...Low visibility could make driving conditions hazardous.

* ADDITIONAL DETAILS...The dense fog is expected to be the most 
  persistent around the Twin Ports through this morning.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

If driving, slow down, use your low-beam headlights and fog lights, 
and leave plenty of distance ahead of you.

&&

$$

For more information on Northland weather, visit www.weather.
gov/duluth

JDS


Action: Expired
Issued At: 2025-09-14 10:51:20

542 
WWUS73 KDLH 141550
NPWDLH

URGENT - WEATHER MESSAGE
National Weather Service Duluth MN
1050 AM CDT Sun Sep 14 2025

MNZ037-WIZ001-141700-
/O.EXP.KDLH.FG.Y.0021.000000T0000Z-250914T1600Z/
Carlton and South St. Louis-Douglas-
Including the cities of Duluth and Superior
1050 AM CDT Sun Sep 14 2025

...DENSE FOG ADVISORY WILL EXPIRE AT 11 AM CDT THIS MORNING...

Widespread dense fog has decreased in coverage per the latest 
surface observations. Areas of dense fog are expected to become more 
localized to the lower elevations around the Twin Ports into the 
early afternoon. Occasional visibilities down to one half to one 
quarter mile are expected, but visibilities are expected to continue 
improving elsewhere. Therefore, the Dense Fog Advisory will be 
allowed to expire.

$$

For more information on Northland weather, visit www.weather.
gov/duluth

JDS



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