Alert archive / Minnesota / Dense Fog Advisories in 2017
Dense Fog Advisory 14, NWS Twin Cities, MN
NWS Twin Cities, MN issued this dense fog advisory at Nov 14, 2017, 3:30 PM CST for 18 counties in Minnesota. It was in force for 9 hr.
The area
The counties it named.
The facts
- Issued
- Nov 14, 2017, 3:30 PM CST (21:30 UTC)
- Expired
- Nov 15, 2017, 12:00 AM CST
- In force
- 9 hr
- Issued by
- NWS Twin Cities, MN
Counties Benton County, MN, Chippewa County, MN, Douglas County, MN, Freeborn County, MN, Kanabec County, MN, Kandiyohi County, MN, Lac qui Parle County, MN, Meeker County, MN, Mille Lacs County, MN, Morrison County, MN, Pope County, MN, Renville County, MN, Stearns County, MN, Steele County, MN, Stevens County, MN, Swift County, MN, Todd County, MN, Yellow Medicine County, MN
The radar
The Minneapolis radar (KMPX), 106 km from the middle of the area, began a volume at 21:34 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.
The nearest sounding before it
Minneapolis, MN (KMPX), launched 12:00Z, 9.5 hours before the alert went out and 104 km from the middle of its area. This is the routine balloon launch nearest before it, the air the forecaster had in hand, not a measurement taken for the alert.
- Mixed-layer CAPE
- 0 J/kg
- Mixed-layer CIN
- No buoyant parcel
- Mixed-layer LCL
- 576 m above ground
- 0-6 km bulk shear
- 36 kt
- 0-1 km storm-relative helicity
- 124 m²/s²
- 0-3 km storm-relative helicity
- 135 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.0
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 Nov 14, 3:09 PM CST, 21 minutes earlier.
Area forecast discussion, Nov 14, 3:09 PM CST, 21 minutes before
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</html>Hazardous weather outlook, Nov 14, 9:53 AM CST, 5 hours 37 minutes before
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The site you requested is temporarily down for maintenance or an unexpected outage.
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<p id="message2">
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</html>The office that day
Everything else NWS Twin Cities, MN issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Nov 14, 1:40 AM CST | Dense Fog Advisory | MPX | Benton, Douglas, Kanabec, Mille Lacs, Morrison, Pope and 3 more | 7 hr |
| Nov 14, 9:00 AM CST | Dense Fog Advisory | MPX | Benton, Douglas, Kanabec, Mille Lacs, Morrison, Pope and 2 more | 3 hr |
Nearby
Dense Fog Advisories in Minnesota, 2017Every 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; the sounding from the Mesonet's radiosonde archive; radar from the NEXRAD Level II archive.