Alert archive / Minnesota / Wind Chill Warnings in 2019

Wind Chill Warning 7, NWS Duluth, MN

February 7, 20194 counties in Minnesota

NWS Duluth, MN issued this wind chill warning at Feb 7, 2019, 2:52 PM CST for 4 counties in Minnesota. It took effect at Feb 7, 2019, 9:00 PM CST. It was in force for 15 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: Feb 7, 2019, 2:52 PM CST (20:52 UTC)
In effect from: Feb 7, 2019, 9:00 PM CST
Expired: Feb 8, 2019, 12:00 PM CST
In force: 15 hr
Issued by: NWS Duluth, MN

Counties Cass County, MN, Crow Wing County, MN, Itasca County, MN, Koochiching County, MN

The radar

The Duluth radar (KDLH), 142 km from the middle of the area, began a volume at 20:58 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, 8.9 hours before the alert went out and 150 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: 657 m above ground
0-6 km bulk shear: 48 kt
0-1 km storm-relative helicity: 11 m²/s²
0-3 km storm-relative helicity: 161 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 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 wind chill warning went out at Feb 7, 11:49 AM CST, 3 hours 3 minutes earlier.

Area forecast discussion, Feb 7, 11:49 AM CST, 3 hours 3 minutes before

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Hazardous weather outlook, Feb 7, 10:47 AM CST, 4 hours 5 minutes before

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In the hours before

Local storm report, Feb 7, 1:36 PM CST, 1 hour 16 minutes before

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Local storm report, Feb 7, 1:43 PM CST, 1 hour 9 minutes before

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Local storm report, Feb 7, 1:45 PM CST, 1 hour 7 minutes before

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Local storm report, Feb 7, 2:32 PM CST, 20 minutes before

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Local storm report, Feb 7, 2:37 PM CST, 15 minutes before

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Local storm report, Feb 7, 2:52 PM CST, 0 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
Feb 7, 2:52 PM CST	Wind Chill Advisory	DLH	Aitkin, Carlton, Cook, Lake, Pine, Saint Louis	21 hr

Nearby

Wind Chill Warnings in Minnesota, 2019 Every wind chill warning in 2019

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.