Alert archive / South Dakota / Wind Advisories in 2025

Wind Advisory 27, NWS Aberdeen, SD

December 18, 20255 counties in South Dakota; Big Stone County, Traverse County, Minnesota

NWS Aberdeen, SD issued this wind advisory at Dec 18, 2025, 5:38 PM CST for 5 counties in South Dakota; Big Stone County, Traverse County, Minnesota. It took effect at Dec 18, 2025, 6:00 PM CST. It was in force for 3 hr.

The area

The counties it named.

The facts

Issued: Dec 18, 2025, 5:38 PM CST (23:38 UTC)
In effect from: Dec 18, 2025, 6:00 PM CST
Expired: Dec 18, 2025, 9:00 PM CST
In force: 3 hr
Issued by: NWS Aberdeen, SD

Counties Big Stone County, MN, Traverse County, MN, Codington County, SD, Deuel County, SD, Grant County, SD, Hamlin County, SD, Roberts County, SD

The radar

The Aberdeen radar (KABR), 129 km from the middle of the area, began a volume at 23:38 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

Minneapolis, MN (KMPX), launched 12:00Z, 11.6 hours before the alert went out and 255 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: 1041 m above ground
0-6 km bulk shear: 48 kt
0-1 km storm-relative helicity: -204 m²/s²
0-3 km storm-relative helicity: 58 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 advisory 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 advisory went out at Dec 18, 5:26 PM CST, 12 minutes earlier.

Area forecast discussion, Dec 18, 5:26 PM CST, 12 minutes before

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Hazardous weather outlook, Dec 18, 3:51 AM CST, 13 hours 47 minutes before

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In the hours before

Local storm report, Dec 18, 11:59 AM CST, 5 hours 39 minutes before

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Local storm report, Dec 18, 1:21 PM CST, 4 hours 17 minutes before

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Local storm report, Dec 18, 1:43 PM CST, 3 hours 55 minutes before

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Local storm report, Dec 18, 3:44 PM CST, 1 hour 54 minutes before

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The office that day

Everything else NWS Aberdeen, SD issued on the same UTC day.

Issued	Product	Office	Counties	Lasted
Dec 18, 2:18 AM CST	Blizzard Warning	ABR	Day, Marshall, Roberts	16 hr

Nearby

Wind Advisories in South Dakota, 2025 Wind Advisories in Minnesota, 2025 Every wind advisory in 2025

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.