Alert archive / South Dakota / Blizzard Warnings in 2022

Blizzard Warning 3, NWS Aberdeen, SD

April 11, 2022Campbell County, Corson County, South Dakota

NWS Aberdeen, SD issued this blizzard warning at Apr 11, 2022, 2:58 PM CDT for Campbell County, Corson County, South Dakota. It took effect at Apr 12, 2022, 10:00 AM CDT. It was in force for 45 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: Apr 11, 2022, 2:58 PM CDT (19:58 UTC)
In effect from: Apr 12, 2022, 10:00 AM CDT
Expired: Apr 14, 2022, 7:00 AM CDT
In force: 45 hr
Issued by: NWS Aberdeen, SD

Counties Campbell County, SD, Corson County, SD

The radar

The Bismarck radar (KBIS), 115 km from the middle of the area, began a volume at 19:58 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

Bismarck Municip, ND (KBIS), launched 12:00Z, 8.0 hours before the alert went out and 115 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: 720 m above ground
0-6 km bulk shear: 11 kt
0-1 km storm-relative helicity: -63 m²/s²
0-3 km storm-relative helicity: 20 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 Apr 11, 1:09 PM CDT, 1 hour 49 minutes earlier.

Area forecast discussion, Apr 11, 1:09 PM CDT, 1 hour 49 minutes before

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Hazardous weather outlook, Apr 11, 4:33 AM CDT, 10 hours 25 minutes before

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In the hours before

Local storm report, Apr 11, 12:42 PM CDT, 2 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
Apr 11, 4:15 AM CDT	Red Flag Warning	ABR	Jones, Lyman	16 hr
Apr 11, 3:01 PM CDT	High Wind Watch	ABR	Brown, Buffalo, Clark, Codington, Day, Deuel and 15 more	12 hr

Nearby

Blizzard Warnings in South Dakota, 2022 Every blizzard 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.