Alert archive / Wisconsin / Dense Fog Advisories in 2020

Dense Fog Advisory 7, NWS Twin Cities, MN

September 25, 20205 counties in Minnesota; 9 counties in Wisconsin

NWS Twin Cities, MN issued this dense fog advisory at Sep 25, 2020, 12:25 AM CDT for 5 counties in Minnesota; 9 counties in Wisconsin. It took effect at Sep 25, 2020, 1:00 AM CDT. It was in force for 7 hr.

The area

The counties it named.

The facts

Issued: Sep 25, 2020, 12:25 AM CDT (05:25 UTC)
In effect from: Sep 25, 2020, 1:00 AM CDT
Expired: Sep 25, 2020, 8:00 AM CDT
In force: 7 hr
Issued by: NWS Twin Cities, MN

Counties Chisago County, MN, Goodhue County, MN, Isanti County, MN, Kanabec County, MN, Mille Lacs County, MN, Barron County, WI, Chippewa County, WI, Dunn County, WI, Eau Claire County, WI, Pepin County, WI, Pierce County, WI, Polk County, WI, Rusk County, WI, Saint Croix County, WI

The radar

The Minneapolis radar (KMPX), 104 km from the middle of the area, began a volume at 05:31 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 Twin Cities, MN wrote its last area forecast discussion before this dense fog advisory went out at Sep 24, 10:55 PM CDT, 1 hour 30 minutes earlier.

Area forecast discussion, Sep 24, 10:55 PM CDT, 1 hour 30 minutes before

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Hazardous weather outlook, Sep 24, 8:53 PM CDT, 3 hours 32 minutes before

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In the hours before

Special weather statement, Sep 24, 9:50 PM CDT, 2 hours 35 minutes before

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<body>
  <main class="wrap">
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      <div class="status" id="status">Temporary Notice</div>
      <h1 id="headline">This service is currently unavailable.</h1>
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        If you are an administrator, restore upstream service and remove the redirect/fallback rule when normal operations resume.
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Nearby

Dense Fog Advisories in Wisconsin, 2020 Dense Fog Advisories in Minnesota, 2020 Every dense fog advisory in 2020

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.