Alert archive / South Dakota / Severe Thunderstorm Warnings in 2022

Severe Thunderstorm Warning 228, NWS Sioux Falls, SD

July 5, 2022Brule County, Charles Mix County, Gregory County, South Dakota

NWS Sioux Falls, SD issued this severe thunderstorm warning at Jul 5, 2022, 1:42 AM CDT for Brule County, Charles Mix County, Gregory County, South Dakota. It was in force for 33 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: Jul 5, 2022, 1:42 AM CDT (06:42 UTC)
Expired: Jul 5, 2022, 2:15 AM CDT
In force: 33 min
Issued by: NWS Sioux Falls, SD
Area: Storm-based polygon
Hail: 1.25 in
Wind: 50.0 mph

Counties Brule County, SD, Charles Mix County, SD, Gregory County, SD

The radar

The Sioux Falls radar (KFSD), 181 km from the middle of the area, began a volume at 06:44 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

N. Platte/Lee Bi, NE (KLBF), launched 00:00Z, 6.7 hours before the alert went out and 284 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: 671 J/kg
Mixed-layer CIN: -51 J/kg
Mixed-layer LCL: 3073 m above ground
0-6 km bulk shear: 16 kt
0-1 km storm-relative helicity: -12 m²/s²
0-3 km storm-relative helicity: 31 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 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 Jul 4, 10:52 PM CDT, 2 hours 50 minutes earlier.

Area forecast discussion, Jul 4, 10:52 PM CDT, 2 hours 50 minutes before

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Hazardous weather outlook, Jul 4, 4:53 PM CDT, 8 hours 49 minutes before

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<body>
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    <section class="card" role="status" aria-live="polite">
      <div class="status" id="status">Temporary Notice</div>
      <h1 id="headline">This service is currently unavailable.</h1>
      <p id="message1">
        The site you requested is temporarily down for maintenance or an unexpected outage.
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        Please try again in a few minutes.
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        If you are an administrator, restore upstream service and remove the redirect/fallback rule when normal operations resume.
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The office that day

Everything else NWS Sioux Falls, SD issued on the same UTC day.

Issued	Product	Office	Counties	Lasted
Jul 5, 12:39 PM CDT	Severe Thunderstorm Warning Destructive damage threat	FSD	Beadle	66 min
Jul 5, 12:43 PM CDT	Severe Thunderstorm Warning Considerable damage threat	FSD	Aurora, Brule, Jerauld	62 min
Jul 5, 1:15 PM CDT	Severe Thunderstorm Warning Considerable damage threat	FSD	Brule, Charles Mix, Gregory	45 min
Jul 5, 1:29 PM CDT	Severe Thunderstorm Warning Considerable damage threat	FSD	Aurora, Brule, Davison, Douglas, Hanson, Hutchinson and 3 more	61 min
Jul 5, 1:37 PM CDT	Severe Thunderstorm Warning Considerable damage threat	FSD	Beadle, Kingsbury, Miner, Sanborn	53 min
Jul 5, 1:54 PM CDT	Severe Thunderstorm Warning Considerable damage threat	FSD	Charles Mix, Douglas, Gregory	66 min
Jul 5, 2:25 PM CDT	Severe Thunderstorm Warning Considerable damage threat	FSD	Davison, Douglas, Hanson, Hutchinson, Lake, Lincoln and 3 more	65 min
Jul 5, 2:30 PM CDT	Severe Thunderstorm Warning Considerable damage threat	FSD	Beadle, Brookings, Kingsbury, Lake, Miner, Minnehaha and 2 more	60 min
Jul 5, 2:43 PM CDT	Severe Thunderstorm Warning	FSD	Bon Homme, Charles Mix, Douglas, Hutchinson, Yankton	62 min
Jul 5, 3:08 PM CDT	Tornado Warning	FSD	McCook, Minnehaha	37 min
Jul 5, 3:19 PM CDT	Severe Thunderstorm Warning Considerable damage threat	FSD	Hanson, Hutchinson, Lincoln, McCook, Minnehaha, Turner and 1 more	56 min
Jul 5, 3:27 PM CDT	Severe Thunderstorm Warning Considerable damage threat	FSD	Clay, Union, Yankton	63 min
Jul 5, 3:30 PM CDT	Severe Thunderstorm Warning Destructive damage threat	FSD	Lake, Miner, Moody	60 min
Jul 5, 4:10 PM CDT	Severe Thunderstorm Warning Considerable damage threat	FSD	Lincoln, Minnehaha	65 min
Jul 5, 4:23 PM CDT	Severe Thunderstorm Warning Considerable damage threat	FSD	Clay, Union	67 min
Jul 5, 4:31 PM CDT	Severe Thunderstorm Warning	FSD	Lake, Moody	29 min
Jul 5, 4:55 PM CDT	Flash Flood Warning	FSD	Minnehaha, Moody	3 hr
Jul 5, 5:12 PM CDT	Severe Thunderstorm Warning Considerable damage threat	FSD	Lincoln, Minnehaha	63 min
Jul 5, 4:54 PM CDT	Severe Thunderstorm Warning	FSD	Buena Vista, Cherokee, Clay, Dickinson, O'Brien, Osceola	66 min
Jul 5, 6:21 PM CDT	Severe Thunderstorm Warning	FSD	Clay, Dickinson	24 min
Jul 5, 3:24 PM CDT	Severe Thunderstorm Warning	FSD	Cottonwood, Lyon, Murray	51 min
Jul 5, 3:57 PM CDT	Flash Flood Warning	FSD	Cottonwood, Murray	3 hr
Jul 5, 4:09 PM CDT	Severe Thunderstorm Warning Considerable damage threat	FSD	Cottonwood, Murray	21 min

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.