Alert archive / Minnesota / Wind Chill Advisories in 2015

Wind Chill Advisory 7, NWS Duluth, MN

January 12, 201510 counties in Minnesota

NWS Duluth, MN issued this wind chill advisory at Jan 12, 2015, 3:09 PM CST for 10 counties in Minnesota. It took effect at Jan 13, 2015, 12:00 AM CST. It was in force for 10 hr.

The area

The counties it named.

The facts

Issued: Jan 12, 2015, 3:09 PM CST (21:09 UTC)
In effect from: Jan 13, 2015, 12:00 AM CST
Expired: Jan 13, 2015, 10:00 AM CST
In force: 10 hr
Issued by: NWS Duluth, MN

Counties Aitkin County, MN, Carlton County, MN, Cass County, MN, Cook County, MN, Crow Wing County, MN, Itasca County, MN, Koochiching County, MN, Lake County, MN, Pine County, MN, Saint Louis County, MN

The radar

The Duluth radar (KDLH), 63 km from the middle of the area, began a volume at 21:12 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, 9.2 hours before the alert went out and 161 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: 838 m above ground
0-6 km bulk shear: 49 kt
0-1 km storm-relative helicity: 37 m²/s²
0-3 km storm-relative helicity: 106 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 12, 11:30 AM CST, 3 hours 39 minutes earlier.

Area forecast discussion, Jan 12, 11:30 AM CST, 3 hours 39 minutes before

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Hazardous weather outlook, Jan 12, 10:03 AM CST, 5 hours 6 minutes before

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In the hours before

Local storm report, Jan 12, 10:53 AM CST, 4 hours 16 minutes before

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Nearby

Wind Chill Advisories in Minnesota, 2015 Every wind chill advisory in 2015

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.