Alert archive / South Dakota / Severe Thunderstorm Warnings in 2022

Severe Thunderstorm Warning 87, NWS Aberdeen, SD

June 12, 2022Jones County, Lyman County, South Dakota

NWS Aberdeen, SD issued this severe thunderstorm warning at Jun 12, 2022, 3:10 AM CDT for Jones County, Lyman County, South Dakota. It was in force for 50 min. No storm report in the archive falls inside the area while it was in force.

The area

The counties it named.

The facts

Issued: Jun 12, 2022, 3:10 AM CDT (08:10 UTC)
Expired: Jun 12, 2022, 4:00 AM CDT
In force: 50 min
Issued by: NWS Aberdeen, SD
Area: Storm-based polygon
Hail: 1.0 in
Wind: 60.0 mph

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 08:10 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 watch it was issued in

The SPC watch in force over the same counties when this warning went out.

Issued	Product	Office	Lasted
Jun 11, 11:17 PM CDT	Severe Thunderstorm Watch	SPC	5 hr

The nearest sounding before it

N. Platte/Lee Bi, NE (KLBF), launched 00:00Z, 8.2 hours before the alert went out and 312 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: 954 J/kg
Mixed-layer CIN: -240 J/kg
Mixed-layer LCL: 2209 m above ground
0-6 km bulk shear: 48 kt
0-1 km storm-relative helicity: -12 m²/s²
0-3 km storm-relative helicity: 114 m²/s²
Significant tornado parameter: 0.0
Supercell composite: -0.4

Open this sounding in Storm Lab

What forecasters said that day

The local office's own words before this severe thunderstorm 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 severe thunderstorm warning went out at Jun 12, 12:56 AM CDT, 2 hours 14 minutes earlier.

Area forecast discussion, Jun 12, 12:56 AM CDT, 2 hours 14 minutes before

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In the hours before

Local storm report, Jun 12, 1:30 AM CDT, 1 hour 40 minutes before

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Special weather statement, Jun 12, 2:57 AM CDT, 13 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
Jun 11, 11:52 PM CDT	Severe Thunderstorm Warning Considerable damage threat	ABR	Jones, Lyman, Stanley	53 min
Jun 12, 12:45 AM CDT	Severe Thunderstorm Warning	ABR	Lyman	45 min
Jun 12, 2:57 AM CDT	Special Weather Statement	ABR	Jones	48 min
Jun 12, 4:03 AM CDT	Special Weather Statement	ABR	Jones	27 min
Jun 12, 2:45 PM CDT	Heat Advisory	ABR	Buffalo, Clark, Deuel, Hamlin, Hand, Lyman and 1 more	30 hr

Nearby

Severe Thunderstorm Warnings in South Dakota, 2022 Every severe thunderstorm 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.