Alert archive / South Dakota / Blizzard Warnings in 2023

Blizzard Warning 1, NWS Aberdeen, SD

February 14, 20238 counties in South Dakota; Big Stone County, Traverse County, Minnesota

NWS Aberdeen, SD issued this blizzard warning at Feb 14, 2023, 3:00 AM CST for 8 counties in South Dakota; Big Stone County, Traverse County, Minnesota. It took effect at Feb 14, 2023, 6:00 PM CST. It was in force for 16 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 14, 2023, 3:00 AM CST (09:00 UTC)
In effect from: Feb 14, 2023, 6:00 PM CST
Expired: Feb 15, 2023, 10:00 AM CST
In force: 16 hr
Issued by: NWS Aberdeen, SD

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

The radar

The Aberdeen radar (KABR), 109 km from the middle of the area, began a volume at 09:03 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, 9.0 hours before the alert went out and 112 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: 2105 m above ground
0-6 km bulk shear: 32 kt
0-1 km storm-relative helicity: 140 m²/s²
0-3 km storm-relative helicity: 199 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 blizzard 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 blizzard warning went out at Feb 13, 11:36 PM CST, 3 hours 24 minutes earlier.

Area forecast discussion, Feb 13, 11:36 PM CST, 3 hours 24 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
Feb 14, 3:00 AM CST	Winter Weather Advisory	ABR	Brown, Buffalo, Campbell, Corson, Dewey, Edmunds and 12 more	27 hr

Nearby

Blizzard Warnings in South Dakota, 2023 Blizzard Warnings in Minnesota, 2023 Every blizzard warning in 2023

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.