Alert archive / South Dakota / Wind Advisories in 2026

Wind Advisory 3, NWS Aberdeen, SD

January 20, 2026Jones County, Lyman County, South Dakota

NWS Aberdeen, SD issued this wind advisory at Jan 20, 2026, 12:26 PM CST for Jones County, Lyman County, South Dakota. It took effect at Jan 21, 2026, 6:00 AM CST. It was in force for 4 hr.

The area

The counties it named.

The facts

Issued: Jan 20, 2026, 12:26 PM CST (18:26 UTC)
In effect from: Jan 21, 2026, 6:00 AM CST
Expired: Jan 21, 2026, 9:34 AM CST
In force: 4 hr
Issued by: NWS Aberdeen, SD

Counties Jones County, SD, Lyman County, SD

The radar

The Rapid City radar (KUDX), 206 km from the middle of the area, began a volume at 18:31 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, 6.4 hours before the alert went out and 184 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: 864 m above ground
0-6 km bulk shear: 59 kt
0-1 km storm-relative helicity: 124 m²/s²
0-3 km storm-relative helicity: 170 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 Jan 20, 11:27 AM CST, 59 minutes earlier.

Area forecast discussion, Jan 20, 11:27 AM CST, 59 minutes before

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Hazardous weather outlook, Jan 20, 6:10 AM CST, 6 hours 16 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
Jan 20, 12:26 PM CST	Winter Weather Advisory	ABR	Brown, Buffalo, Campbell, Clark, Codington, Corson and 18 more	30 hr
Jan 20, 12:30 PM CST	Extreme Cold Watch	ABR	Brown, Campbell, Clark, Codington, Corson, Day and 15 more	38 hr

Nearby

Wind Advisories in South Dakota, 2026 Every wind advisory in 2026

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.