Alert archive / South Dakota / Wind Chill Warnings in 2022

Wind Chill Warning 6, NWS Aberdeen, SD

February 2, 20225 counties in South Dakota; Traverse County, Minnesota

NWS Aberdeen, SD issued this wind chill warning at Feb 2, 2022, 2:22 AM CST for 5 counties in South Dakota; Traverse County, Minnesota. It took effect at Feb 3, 2022, 12:00 AM CST. It was in force for 12 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 2, 2022, 2:22 AM CST (08:22 UTC)
In effect from: Feb 3, 2022, 12:00 AM CST
Expired: Feb 3, 2022, 12:00 PM CST
In force: 12 hr
Issued by: NWS Aberdeen, SD

Counties Traverse County, MN, Brown County, SD, Day County, SD, Marshall County, SD, McPherson County, SD, Roberts County, SD

The radar

The Aberdeen radar (KABR), 60 km from the middle of the area, began a volume at 08:25 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 00:00Z, 8.4 hours before the alert went out and 100 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: 908 m above ground
0-6 km bulk shear: 80 kt
0-1 km storm-relative helicity: -156 m²/s²
0-3 km storm-relative helicity: -112 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 Aberdeen, SD wrote its last area forecast discussion before this wind chill warning went out at Feb 1, 11:37 PM CST, 2 hours 45 minutes earlier.

Area forecast discussion, Feb 1, 11:37 PM CST, 2 hours 45 minutes before

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Nearby

Wind Chill Warnings in South Dakota, 2022 Wind Chill Warnings in Minnesota, 2022 Every wind chill warning in 2022

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.