Alert archive / South Dakota / Severe Thunderstorm Warnings in 2022

Severe Thunderstorm Warning 71, NWS Aberdeen, SD

May 30, 20224 counties in South Dakota

NWS Aberdeen, SD issued this severe thunderstorm warning at May 30, 2022, 2:15 AM 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
May 30, 2022, 2:15 AM CDT (07:15 UTC)
Expired
May 30, 2022, 3:00 AM CDT
In force
45 min
Issued by
NWS Aberdeen, SD
Area
Storm-based polygon
Hail
0.75 in
Wind
60.0 mph

Counties Clark County, SD, Codington County, SD, Day County, SD, Roberts County, SD

The radar

The Aberdeen radar (KABR), 86 km from the middle of the area, began a volume at 07:16 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.

IssuedProductOfficeLasted
May 30, 12:03 AM CDTSevere Thunderstorm WatchSPC8 hr

The nearest sounding before it

Aberdeen, SD (KABR), launched 00:00Z, 7.3 hours before the alert went out and 88 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-pSkew-T log-p diagram, Aberdeen, SD at 00:00Z on 2022-05-30Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 1294 joules per kilogram.LCLLFCEL10008507005003002001001 km2 km3 km6 km9 km12 km15 km-30°-20°-10°0°10°20°30°40°
Temperature in red, dew point in green, the mixed-layer parcel dashed.
HodographHodograph, Aberdeen, SD at 00:00Z on 2022-05-30The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity -3 square meters per square second.19395878Sfc1 km3 km6 km9 kmRMLM
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
1294 J/kg
Mixed-layer CIN
-49 J/kg
Mixed-layer LCL
1392 m above ground
0-6 km bulk shear
40 kt
0-1 km storm-relative helicity
-3 m²/s²
0-3 km storm-relative helicity
96 m²/s²
Significant tornado parameter
0.3
Supercell composite
3.6

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 May 30, 12:25 AM CDT, 1 hour 50 minutes earlier.

Area forecast discussion, May 30, 12:25 AM CDT, 1 hour 50 minutes before
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Hazardous weather outlook, May 29, 3:01 PM CDT, 11 hours 14 minutes before
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In the hours before

Local storm report, May 30, 1:56 AM CDT, 19 minutes before
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Local storm report, May 30, 2:12 AM CDT, 3 minutes before
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<body>
  <main class="wrap">
    <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>
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        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 Aberdeen, SD issued on the same UTC day.

IssuedProductOfficeCountiesLasted
May 29, 9:32 PM CDTSevere Thunderstorm WarningABRLyman28 min
May 30, 12:18 AM CDTSevere Thunderstorm WarningABRDeuel, Grant27 min
May 30, 12:37 AM CDTSevere Thunderstorm WarningABRDeuel38 min
May 30, 1:14 AM CDTSevere Thunderstorm WarningABRClark46 min
May 30, 1:36 AM CDTSevere Thunderstorm WarningABRClark39 min
May 30, 1:40 AM CDTSevere Thunderstorm WarningABRCodington, Grant, Roberts35 min
May 30, 2:17 AM CDTSevere Thunderstorm Warning Considerable damage threatABRCodington, Deuel, Hamlin21 min
May 30, 12:26 PM CDTSevere Thunderstorm WarningABRCodington, Hamlin23 min
May 30, 1:06 PM CDTFlood WatchABRClark, Codington, Day, Deuel, Grant, Hamlin and 2 more9 hr
May 30, 1:12 PM CDTSevere Thunderstorm WarningABRClark, Codington, Hamlin33 min
May 30, 1:55 PM CDTSevere Thunderstorm WarningABRRoberts28 min
May 30, 2:06 PM CDTSevere Thunderstorm WarningABRCodington, Day, Grant, Hamlin, Roberts39 min
May 30, 2:36 PM CDTTornado WarningABRCodington, Deuel, Grant, Hamlin24 min
May 30, 2:41 PM CDTSevere Thunderstorm WarningABRRoberts34 min
May 30, 2:42 PM CDTFlash Flood WarningABRCodington, Hamlin4 hr
May 30, 2:55 PM CDTTornado WarningABRDeuel, Grant35 min
May 30, 3:07 PM CDTTornado WarningABRGrant, Roberts23 min
May 30, 3:14 PM CDTTornado WarningABRGrant, Roberts31 min
May 30, 3:17 PM CDTSevere Thunderstorm WarningABRRoberts28 min
May 30, 3:26 PM CDTWind AdvisoryABRCampbell, Corson, Day, Dewey, Grant, Hughes and 7 more22 hr
May 30, 3:43 PM CDTSevere Thunderstorm WarningABRRoberts32 min
May 30, 3:45 PM CDTSevere Thunderstorm Warning Considerable damage threatABRRoberts30 min
May 30, 5:08 PM CDTAreal Flood WarningABRCodington, Grant, Roberts9 hr
May 30, 6:45 PM CDTAreal Flood WarningABRCodington, Hamlin6 hr
May 30, 6:55 PM CDTSpecial Weather StatementABRDeuel20 min
May 30, 1:36 PM CDTSevere Thunderstorm WarningABRBig Stone, Traverse24 min
May 30, 1:53 PM CDTSevere Thunderstorm WarningABRBig Stone, Traverse22 min
May 30, 3:04 PM CDTSevere Thunderstorm WarningABRBig Stone, Traverse26 min
May 30, 3:31 PM CDTTornado WarningABRBig Stone19 min

Nearby

Severe Thunderstorm Warnings in South Dakota, 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.