Alert archive / Minnesota / Wind Chill Advisories in 2018

Wind Chill Advisory 3, NWS Duluth, MN

January 3, 20189 counties in Minnesota; Burnett County, Douglas County, Washburn County, Wisconsin

NWS Duluth, MN issued this wind chill advisory at Jan 3, 2018, 2:31 PM CST for 9 counties in Minnesota; Burnett County, Douglas County, Washburn County, Wisconsin. It took effect at Jan 3, 2018, 5:00 PM CST. It was in force for 18 hr.

The area

The counties it named.

The facts

Issued: Jan 3, 2018, 2:31 PM CST (20:31 UTC)
In effect from: Jan 3, 2018, 5:00 PM CST
Expired: Jan 4, 2018, 11:00 AM CST
In force: 18 hr
Issued by: NWS Duluth, MN

Counties Aitkin County, MN, Carlton County, MN, Cass County, MN, Crow Wing County, MN, Itasca County, MN, Koochiching County, MN, Lake County, MN, Pine County, MN, Saint Louis County, MN, Burnett County, WI, Douglas County, WI, Washburn County, WI

The radar

The Duluth radar (KDLH), 51 km from the middle of the area, began a volume at 20:31 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.

The nearest sounding before it

International Fa, MN (KINL), launched 12:00Z, 8.5 hours before the alert went out and 197 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.

Skew-T log-p

Temperature in red, dew point in green, the mixed-layer parcel dashed.

Hodograph

The wind turning with height, colored by layer: ground to 1 km, 1 to 3 km, 3 to 6 km, 6 to 10 km.

Mixed-layer CAPE: 0 J/kg
Mixed-layer CIN: No buoyant parcel
Mixed-layer LCL: 548 m above ground
0-6 km bulk shear: 52 kt
0-1 km storm-relative helicity: 21 m²/s²
0-3 km storm-relative helicity: 77 m²/s²
Significant tornado parameter: 0.0
Supercell composite: 0.0

Open this sounding in Storm Lab

What forecasters said that day

The local office's own words before this wind chill advisory went out, as it sent them, from the Iowa Environmental Mesonet's archive of National Weather Service text.

NWS Duluth, MN wrote its last area forecast discussion before this wind chill advisory went out at Jan 3, 11:23 AM CST, 3 hours 8 minutes earlier.

Area forecast discussion, Jan 3, 11:23 AM CST, 3 hours 8 minutes before

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Hazardous weather outlook, Jan 3, 2:31 PM CST, 0 minutes before

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In the hours before

Local storm report, Jan 3, 8:41 AM CST, 5 hours 50 minutes before

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Local storm report, Jan 3, 8:54 AM CST, 5 hours 37 minutes before

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Local storm report, Jan 3, 8:55 AM CST, 5 hours 36 minutes before

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Local storm report, Jan 3, 9:34 AM CST, 4 hours 57 minutes before

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Local storm report, Jan 3, 12:07 PM CST, 2 hours 24 minutes before

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The office that day

Everything else NWS Duluth, MN issued on the same UTC day.

Issued	Product	Office	Counties	Lasted
Jan 2, 9:49 PM CST	Small Craft Advisory	DLH		12 hr
Jan 3, 2:31 PM CST	Wind Chill Warning	DLH	Cook, Lake	20 hr

Nearby

Wind Chill Advisories in Minnesota, 2018 Wind Chill Advisories in Wisconsin, 2018 Every wind chill advisory in 2018

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.