Alert archive / South Dakota / Severe Thunderstorm Warnings in 2022
Severe Thunderstorm Warning 41, NWS Aberdeen, SD
NWS Aberdeen, SD issued this severe thunderstorm warning at May 9, 2022, 7:36 AM CDT for Roberts County, South Dakota; Traverse County, Minnesota. It was in force for 24 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
- May 9, 2022, 7:36 AM CDT (12:36 UTC)
- Expired
- May 9, 2022, 8:00 AM CDT
- In force
- 24 min
- Issued by
- NWS Aberdeen, SD
- Area
- Storm-based polygon
- Hail
- 1.0 in
- Wind
- 60.0 mph
Counties Traverse County, MN, Roberts County, SD
The radar
The Aberdeen radar (KABR), 135 km from the middle of the area, began a volume at 12:35 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, 0.6 hours before the alert went out and 261 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.
- Mixed-layer CAPE
- 0 J/kg
- Mixed-layer CIN
- No buoyant parcel
- Mixed-layer LCL
- 892 m above ground
- 0-6 km bulk shear
- 61 kt
- 0-1 km storm-relative helicity
- 364 m²/s²
- 0-3 km storm-relative helicity
- 413 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.4
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 May 9, 6:25 AM CDT, 1 hour 11 minutes earlier.
Area forecast discussion, May 9, 6:25 AM CDT, 1 hour 11 minutes before
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Special weather statement, May 9, 5:00 AM CDT, 2 hours 36 minutes before
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</html>The office that day
Everything else NWS Aberdeen, SD issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| May 8, 9:12 PM CDT | Severe Thunderstorm Warning | ABR | Campbell, Walworth | 31 min |
| May 9, 12:10 AM CDT | Special Weather Statement | ABR | Lyman | 50 min |
| May 9, 3:05 AM CDT | Severe Thunderstorm Warning | ABR | Clark, Codington, Spink | 40 min |
| May 9, 3:43 AM CDT | Severe Thunderstorm Warning | ABR | Clark, Codington, Day | 47 min |
| May 9, 4:28 AM CDT | Severe Thunderstorm Warning | ABR | Day, Marshall, Roberts | 47 min |
| May 9, 5:00 AM CDT | Special Weather Statement | ABR | Hand | 30 min |
| May 9, 5:04 AM CDT | Severe Thunderstorm Warning | ABR | Hand, Spink | 41 min |
| May 9, 5:50 AM CDT | Special Weather Statement | ABR | Spink | 25 min |
| May 9, 6:16 AM CDT | Special Weather Statement | ABR | Clark, Codington, Day, Deuel, Grant, Hamlin and 1 more | 59 min |
| May 9, 6:34 AM CDT | Severe Thunderstorm Warning | ABR | Deuel, Hamlin | 26 min |
| May 9, 7:54 AM CDT | Severe Thunderstorm Warning | ABR | Traverse | 21 min |
Nearby
Severe Thunderstorm Warnings in South Dakota, 2022Severe Thunderstorm Warnings in Minnesota, 2022Every 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.