Alert archive / South Dakota / Red Flag Warnings in 2022

Red Flag Warning 7, NWS Aberdeen, SD

April 4, 2022Jones County, Lyman County, Stanley County, South Dakota

NWS Aberdeen, SD issued this red flag warning at Apr 4, 2022, 2:57 AM CDT for Jones County, Lyman County, Stanley County, South Dakota. It took effect at Apr 4, 2022, 1:00 PM CDT. It was in force for 8 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
Apr 4, 2022, 2:57 AM CDT (07:57 UTC)
In effect from
Apr 4, 2022, 1:00 PM CDT
Expired
Apr 4, 2022, 9:00 PM CDT
In force
8 hr
Issued by
NWS Aberdeen, SD

Counties Jones County, SD, Lyman County, SD, Stanley County, SD

The nearest sounding before it

Aberdeen, SD (KABR), launched 00:00Z, 8.0 hours before the alert went out and 184 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 2022-04-04Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 0 joules per kilogram.LCL10008507005003002001001 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 2022-04-04The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity -105 square meters per square second.193958Sfc1 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
0 J/kg
Mixed-layer CIN
No buoyant parcel
Mixed-layer LCL
569 m above ground
0-6 km bulk shear
15 kt
0-1 km storm-relative helicity
-105 m²/s²
0-3 km storm-relative helicity
-11 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 red flag 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 red flag warning went out at Apr 4, 12:25 AM CDT, 2 hours 32 minutes earlier.

Area forecast discussion, Apr 4, 12:25 AM CDT, 2 hours 32 minutes before
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Hazardous weather outlook, Apr 3, 7:10 PM CDT, 7 hours 47 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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The office that day

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

IssuedProductOfficeCountiesLasted
Apr 3, 10:16 PM CDTFire Weather WatchABRJones, Lyman, Stanley5 hr
Apr 4, 2:59 PM CDTHigh Wind WatchABRBrown, Buffalo, Campbell, Clark, Codington, Corson and 20 more29 hr
Apr 4, 3:02 PM CDTRed Flag WarningABRBuffalo, Dewey, Hand, Hughes, Hyde, Jones and 4 more24 hr

Nearby

Red Flag Warnings in South Dakota, 2022Every red flag 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.