Alert archive / Minnesota / Winter Storm Warnings in 2018

Winter Storm Warning 8, NWS Duluth, MN

March 4, 20184 counties in Minnesota; Burnett County, Wisconsin

NWS Duluth, MN issued this winter storm warning at Mar 4, 2018, 3:09 PM CST for 4 counties in Minnesota; Burnett County, Wisconsin. It took effect at Mar 5, 2018, 3:00 AM CST. It was in force for 24 hr. No storm report in the archive falls inside the area while it was in force.

The area

The counties it named.

The facts

Issued: Mar 4, 2018, 3:09 PM CST (21:09 UTC)
In effect from: Mar 5, 2018, 3:00 AM CST
Expired: Mar 6, 2018, 3:12 AM CST
In force: 24 hr
Issued by: NWS Duluth, MN

Counties Aitkin County, MN, Cass County, MN, Crow Wing County, MN, Pine County, MN, Burnett County, WI

The radar

The Duluth radar (KDLH), 102 km from the middle of the area, began a volume at 21:08 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

Aberdeen, SD (KABR), launched 12:00Z, 9.2 hours before the alert went out and 424 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: 738 m above ground
0-6 km bulk shear: 38 kt
0-1 km storm-relative helicity: 177 m²/s²
0-3 km storm-relative helicity: 239 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 winter storm warning 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 winter storm warning went out at Mar 4, 11:59 AM CST, 3 hours 10 minutes earlier.

Area forecast discussion, Mar 4, 11:59 AM CST, 3 hours 10 minutes before

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Hazardous weather outlook, Mar 4, 4:17 AM CST, 10 hours 52 minutes before

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In the hours before

Special weather statement, Mar 4, 2:41 PM CST, 28 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
Mar 4, 3:09 PM CST	Winter Weather Advisory	DLH	Aitkin, Carlton, Cass, Itasca, Koochiching, Lake and 1 more	42 hr

Nearby

Winter Storm Warnings in Minnesota, 2018 Winter Storm Warnings in Wisconsin, 2018 Every winter storm warning 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.