Alert archive / South Dakota / Severe Thunderstorm Warnings in 2023
Severe Thunderstorm Warning 222, NWS Sioux Falls, SD
NWS Sioux Falls, SD issued this severe thunderstorm warning at Oct 3, 2023, 6:00 PM CDT for 4 counties in South Dakota. It was in force for 45 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
- Oct 3, 2023, 6:00 PM CDT (23:00 UTC)
- Expired
- Oct 3, 2023, 6:45 PM CDT
- In force
- 45 min
- Issued by
- NWS Sioux Falls, SD
- Area
- Storm-based polygon
- Hail
- 0.75 in
- Wind
- 60.0 mph
Counties Bon Homme County, SD, Hutchinson County, SD, Turner County, SD, Yankton County, SD
The radar
The Sioux Falls radar (KFSD), 81 km from the middle of the area, began a volume at 23:02 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 |
|---|---|---|---|
| Oct 3, 5:03 PM CDT | Severe Thunderstorm Watch | SPC | 6 hr |
The nearest sounding before it
Aberdeen, SD (KABR), launched 12:00Z, 11.0 hours before the alert went out and 205 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
- 16 J/kg
- Mixed-layer CIN
- -304 J/kg
- Mixed-layer LCL
- 1503 m above ground
- 0-6 km bulk shear
- 44 kt
- 0-1 km storm-relative helicity
- 175 m²/s²
- 0-3 km storm-relative helicity
- 266 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.3
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 Sioux Falls, SD wrote its last area forecast discussion before this severe thunderstorm warning went out at Oct 3, 2:52 PM CDT, 3 hours 8 minutes earlier.
Area forecast discussion, Oct 3, 2:52 PM CDT, 3 hours 8 minutes before
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</html>Hazardous weather outlook, Oct 3, 5:08 AM CDT, 12 hours 52 minutes before
Hazardous Weather Outlook National Weather Service Sioux Falls SD 508 AM CDT Tue Oct 3 2023 IAZ001-012-020-031-MNZ071-097-098-NEZ013-014-SDZ038>040-050-052>071- 041015- Lyon-Sioux-Plymouth-Woodbury-Lincoln-Pipestone-Rock-Dixon-Dakota- Beadle-Kingsbury-Brookings-Gregory-Jerauld-Sanborn-Miner-Lake-Moody- Brule-Aurora-Davison-Hanson-McCook-Minnehaha-Charles Mix-Douglas- Hutchinson-Turner-Bon Homme-Yankton-Clay-Union- 508 AM CDT Tue Oct 3 2023 This Hazardous Weather Outlook is for northwest Iowa, west central Iowa, southwest Minnesota, northeast Nebraska, central South Dakota, east central South Dakota, south central South Dakota and southeast South Dakota. .DAY ONE...Today and tonight. Spotty showers or an isolated thunderstorm are possible through midday. The chance for storms will increase by mid-late afternoon and continue into the early evening. Initial storms in the afternoon may be capable of large hail up to half dollar size and perhaps an isolated tornado. As storms evolve into a line in the late afternoon and evening, the primary threat will transition to damaging winds up to 70 mph. Brief heavy rainfall is also possible. .DAYS TWO THROUGH SEVEN...Wednesday through Monday. Much cooler air settles into the region late this week, bringing the potential for our first frost by Friday night and/or Saturday night. .SPOTTER INFORMATION STATEMENT... Spotter activation is not expected at this time. IAZ002-003-013-014-021-022-032-MNZ072-080-081-089-090-041015- Osceola-Dickinson-O'Brien-Clay-Cherokee-Buena Vista-Ida-Lyon-Murray- Cottonwood-Nobles-Jackson- 508 AM CDT Tue Oct 3 2023 This Hazardous Weather Outlook is for northwest Iowa, west central Iowa and southwest Minnesota. .DAY ONE...Today and tonight. Spotty showers or an isolated thunderstorm are possible into the early afternoon. The chance for thunderstorms will increase late afternoon into this evening. Initial storms in the afternoon may be capable of hail up to quarter size, but the greater threat will be damaging winds up to 70 mph as storms evolve into a line. Brief heavy rainfall is also possible. .DAYS TWO THROUGH SEVEN...Wednesday through Monday. Much cooler air settles into the region late this week, bringing the potential for our first frost by Friday night and/or Saturday night. .SPOTTER INFORMATION STATEMENT... Spotter activation is not expected at this time.
The office that day
Everything else NWS Sioux Falls, SD issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Oct 3, 6:44 PM CDT | Tornado Warning | FSD | Hutchinson, McCook, Minnehaha, Turner | 31 min |
Nearby
Severe Thunderstorm Warnings in South Dakota, 2023Every severe thunderstorm 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.