Alert archive / South Dakota / Flash Flood Warnings in 2022

Flash Flood Warning 6, NWS Aberdeen, SD

July 4, 2022Jones County, Lyman County, South Dakota

NWS Aberdeen, SD issued this flash flood warning at Jul 4, 2022, 12:27 AM CDT for Jones County, Lyman County, South Dakota. It was in force for 5 hr. 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 4, 2022, 12:27 AM CDT (05:27 UTC)
Expired: Jul 4, 2022, 5:50 AM CDT
In force: 5 hr
Issued by: NWS Aberdeen, SD
Area: Storm-based polygon
Flood severity: None

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 05:27 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, 5.5 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: 1718 J/kg
Mixed-layer CIN: -14 J/kg
Mixed-layer LCL: 2099 m above ground
0-6 km bulk shear: 26 kt
0-1 km storm-relative helicity: 14 m²/s²
0-3 km storm-relative helicity: 99 m²/s²
Significant tornado parameter: 0.0
Supercell composite: 2.6

Open this sounding in Storm Lab

What forecasters said that day

The local office's own words before this flash flood warning went out, as it sent them, from the Iowa Environmental Mesonet's archive of National Weather Service text.

In the hours before

Local storm report, Jul 3, 11:21 PM CDT, 1 hour 6 minutes before

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Special weather statement, Jul 3, 11:30 PM CDT, 57 minutes before

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Local storm report, Jul 3, 11:32 PM CDT, 55 minutes before

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Local storm report, Jul 3, 11:36 PM CDT, 51 minutes before

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      <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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      <p id="message2">
        Please try again in a few minutes.
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Local storm report, Jul 3, 11:55 PM CDT, 32 minutes before

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</head>
<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>
      <p id="message1">
        The site you requested is temporarily down for maintenance or an unexpected outage.
      </p>
      <p id="message2">
        Please try again in a few minutes.
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      <p class="small" id="detail">
        If you are an administrator, restore upstream service and remove the redirect/fallback rule when normal operations resume.
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Local storm report, Jul 4, 12:17 AM CDT, 10 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>
      <p id="message1">
        The site you requested is temporarily down for maintenance or an unexpected outage.
      </p>
      <p id="message2">
        Please try again in a few minutes.
      </p>
      <p class="small" id="detail">
        If you are an administrator, restore upstream service and remove the redirect/fallback rule when normal operations resume.
      </p>
    </section>
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The office that day

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

Issued	Product	Office	Counties	Lasted
Jul 3, 7:03 PM CDT	Severe Thunderstorm Warning	ABR	Edmunds, Faulk	42 min
Jul 3, 7:14 PM CDT	Severe Thunderstorm Warning Considerable damage threat	ABR	Jones, Stanley	46 min
Jul 3, 7:54 PM CDT	Special Weather Statement	ABR	Campbell	36 min
Jul 3, 8:58 PM CDT	Special Weather Statement	ABR	McPherson	32 min
Jul 3, 9:06 PM CDT	Flood Watch	ABR	Brown, Campbell, Edmunds, McPherson	6 hr
Jul 3, 9:12 PM CDT	Flash Flood Warning	ABR	Jones	6 hr
Jul 3, 9:15 PM CDT	Severe Thunderstorm Warning	ABR	Edmunds, McPherson	34 min
Jul 3, 9:42 PM CDT	Severe Thunderstorm Warning	ABR	Hughes, Lyman, Stanley	48 min
Jul 3, 10:27 PM CDT	Severe Thunderstorm Warning	ABR	Buffalo, Hughes, Hyde, Lyman, Stanley	36 min
Jul 3, 10:59 PM CDT	Severe Thunderstorm Warning	ABR	Edmunds	31 min
Jul 3, 11:06 PM CDT	Severe Thunderstorm Warning	ABR	Jones, Stanley	54 min
Jul 3, 11:30 PM CDT	Special Weather Statement	ABR	Edmunds	30 min
Jul 3, 11:35 PM CDT	Severe Thunderstorm Warning	ABR	Jones	40 min
Jul 3, 11:39 PM CDT	Severe Thunderstorm Warning	ABR	Brown, Edmunds	36 min
Jul 3, 11:57 PM CDT	Severe Thunderstorm Warning	ABR	Hughes, Jones, Lyman, Stanley	48 min
Jul 4, 12:04 AM CDT	Severe Thunderstorm Warning Considerable damage threat	ABR	Brown, Spink	26 min
Jul 4, 12:08 AM CDT	Severe Thunderstorm Warning	ABR	Spink	37 min
Jul 4, 12:15 AM CDT	Severe Thunderstorm Warning	ABR	Jones, Lyman	60 min
Jul 4, 12:26 AM CDT	Severe Thunderstorm Warning	ABR	Brown, Spink	34 min
Jul 4, 12:42 AM CDT	Severe Thunderstorm Warning	ABR	Buffalo, Hand, Hughes, Hyde, Jones, Lyman and 1 more	63 min
Jul 4, 12:54 AM CDT	Severe Thunderstorm Warning	ABR	Brown, Clark, Day, Spink	51 min
Jul 4, 1:32 AM CDT	Severe Thunderstorm Warning	ABR	Buffalo, Hand, Hughes, Hyde, Lyman	26 min
Jul 4, 3:19 AM CDT	Special Weather Statement	ABR	Day	26 min
Jul 4, 1:07 PM CDT	Areal Flood Warning	ABR	Edmunds, McPherson	11 hr

Nearby

Flash Flood Warnings in South Dakota, 2022 Every flash flood 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.