Alert archive / Wisconsin / Dense Fog Advisories in 2012

Dense Fog Advisory 9, NWS La Crosse, WI

September 4, 201213 counties in Wisconsin; 8 counties in Iowa; 7 counties in Minnesota

NWS La Crosse, WI issued this dense fog advisory at Sep 4, 2012, 4:39 AM CDT for 13 counties in Wisconsin; 8 counties in Iowa; 7 counties in Minnesota. It was in force for 4 hr.

The area

The counties it named.

The facts

Issued: Sep 4, 2012, 4:39 AM CDT (09:39 UTC)
Expired: Sep 4, 2012, 9:00 AM CDT
In force: 4 hr
Issued by: NWS La Crosse, WI

All 28 counties

Allamakee County, IA, Chickasaw County, IA, Clayton County, IA, Fayette County, IA, Floyd County, IA, Howard County, IA, Mitchell County, IA, Winneshiek County, IA, Dodge County, MN, Fillmore County, MN, Houston County, MN, Mower County, MN, Olmsted County, MN, Wabasha County, MN, Winona County, MN, Adams County, WI, Buffalo County, WI, Clark County, WI, Crawford County, WI, Grant County, WI, Jackson County, WI, Juneau County, WI, La Crosse County, WI, Monroe County, WI, Richland County, WI, Taylor County, WI, Trempealeau County, WI, Vernon County, WI

The radar

The La Crosse radar (KARX), 27 km from the middle of the area, began a volume at 09:40 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 La Crosse, WI wrote its last area forecast discussion before this dense fog advisory went out at Sep 4, 2:43 AM CDT, 1 hour 56 minutes earlier.

Area forecast discussion, Sep 4, 2:43 AM CDT, 1 hour 56 minutes before

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Hazardous weather outlook, Sep 4, 3:54 AM CDT, 45 minutes before

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In the hours before

Special weather statement, Sep 4, 12:28 AM CDT, 4 hours 11 minutes before

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Special weather statement, Sep 4, 3:04 AM CDT, 1 hour 35 minutes before

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      <div class="status" id="status">Temporary Notice</div>
      <h1 id="headline">This service is currently unavailable.</h1>
      <p id="message1">
        The site you requested is temporarily down for maintenance or an unexpected outage.
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        Please try again in a few minutes.
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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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The office that day

Everything else NWS La Crosse, WI issued on the same UTC day.

Issued	Product	Office	Counties	Lasted
Sep 4, 4:29 PM CDT	Severe Thunderstorm Warning	ARX	Buffalo	46 min
Sep 4, 5:17 PM CDT	Severe Thunderstorm Warning	ARX	Vernon	28 min
Sep 4, 5:41 PM CDT	Severe Thunderstorm Warning	ARX	Clark	64 min
Sep 4, 5:56 PM CDT	Severe Thunderstorm Warning	ARX	La Crosse, Vernon	64 min
Sep 4, 6:16 PM CDT	Severe Thunderstorm Warning	ARX	Clark	29 min
Sep 4, 6:37 PM CDT	Severe Thunderstorm Warning	ARX	Crawford, Grant	38 min
Sep 4, 6:48 PM CDT	Severe Thunderstorm Warning	ARX	Crawford, Vernon	57 min
Sep 4, 6:09 PM CDT	Severe Thunderstorm Warning	ARX	Allamakee, Clayton	36 min
Sep 4, 6:38 PM CDT	Severe Thunderstorm Warning	ARX	Allamakee	52 min
Sep 4, 4:00 PM CDT	Severe Thunderstorm Warning	ARX	Winona	30 min
Sep 4, 4:53 PM CDT	Areal Flood Advisory	ARX	Winona	97 min
Sep 4, 5:29 PM CDT	Severe Thunderstorm Warning	ARX	Houston, Winona	46 min
Sep 4, 5:38 PM CDT	Severe Thunderstorm Warning	ARX	Fillmore	28 min
Sep 4, 5:50 PM CDT	Severe Thunderstorm Warning	ARX	Houston	40 min
Sep 4, 6:14 PM CDT	Severe Thunderstorm Warning	ARX	Houston	46 min

Nearby

Dense Fog Advisories in Wisconsin, 2012 Dense Fog Advisories in Iowa, 2012 Dense Fog Advisories in Minnesota, 2012 Every dense fog advisory in 2012

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.