Alert archive / Minnesota / Areal Flood Warnings in 2024

Areal Flood Warning 7, NWS Twin Cities, MN

June 22, 20244 counties in Minnesota

NWS Twin Cities, MN issued this areal flood warning at Jun 22, 2024, 2:29 AM CDT for 4 counties in Minnesota. It was in force for 3 days. No storm report in the archive falls inside the area while it was in force.

The area

The counties it named.

The facts

Issued: Jun 22, 2024, 2:29 AM CDT (07:29 UTC)
Expired: Jun 25, 2024, 10:00 AM CDT
In force: 3 days
Issued by: NWS Twin Cities, MN
Area: Storm-based polygon
Flood severity: None

Counties Le Sueur County, MN, Rice County, MN, Steele County, MN, Waseca County, MN

The radar

The Minneapolis radar (KMPX), 73 km from the middle of the area, began a volume at 07:30 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

Minneapolis, MN (KMPX), launched 00:00Z, 7.5 hours before the alert went out and 74 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: 0 J/kg
Mixed-layer CIN: No buoyant parcel
Mixed-layer LCL: 583 m above ground
0-6 km bulk shear: 43 kt
0-1 km storm-relative helicity: 10 m²/s²
0-3 km storm-relative helicity: 75 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 areal flood warning went out, as it sent them, from the Iowa Environmental Mesonet's archive of National Weather Service text.

NWS Twin Cities, MN wrote its last area forecast discussion before this areal flood warning went out at Jun 22, 12:35 AM CDT, 1 hour 54 minutes earlier.

Area forecast discussion, Jun 22, 12:35 AM CDT, 1 hour 54 minutes before

<!doctype html>
<html lang="en">
<head>
  <meta charset="utf-8">
  <meta name="viewport" content="width=device-width, initial-scale=1">
  <title>Service Notice</title>
  <link rel="stylesheet" href="index.css">
</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.
      </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>
  </main>
  <script src="index.js"></script>
</body>
</html>

Hazardous weather outlook, Jun 21, 3:20 PM CDT, 11 hours 9 minutes before

Hazardous Weather Outlook
National Weather Service Twin Cities/Chanhassen MN
320 PM CDT Fri Jun 21 2024

MNZ041>045-047>070-073>078-082>085-091>093-WIZ014>016-023>028-
222030-
Douglas-Todd-Morrison-Mille Lacs-Kanabec-Stevens-Pope-Stearns-
Benton-Sherburne-Isanti-Chisago-Lac Qui Parle-Swift-Chippewa-
Kandiyohi-Meeker-Wright-Hennepin-Anoka-Ramsey-Washington-
Yellow Medicine-Renville-McLeod-Sibley-Carver-Scott-Dakota-
Redwood-Brown-Nicollet-Le Sueur-Rice-Goodhue-Watonwan-Blue Earth-
Waseca-Steele-Martin-Faribault-Freeborn-Polk-Barron-Rusk-
St. Croix-Pierce-Dunn-Pepin-Eau Claire-
320 PM CDT Fri Jun 21 2024

This Hazardous Weather Outlook is for portions of central and
southern Minnesota, and west central Wisconsin.

.DAY ONE...Tonight.

There is a moderate risk (level 3 of 4) of excessive rainfall and
flash flooding through tonight across southern Minnesota. Additional
bouts of thunderstorms with heavy rain are expected this
evening through tonight in much of the same areas that saw rain
Friday morning.

There is Slight Risk of severe storms (level 2 of 5) across
southern Minnesota. A warm front has set up along the I-90
corridor, with numerous thunderstorms developing along and north
of it this evening through tonight. The primary hazard are
damaging wind gusts and heavy rain.

.DAYS TWO THROUGH SEVEN...Saturday through Thursday.

Thunderstorms with heavy rain will be possible through Saturday
morning.

River levels will continue rising through late next week with
some locations reaching moderate or major flood stage. Additional
rain could worsen the flooding.

.SPOTTER INFORMATION STATEMENT...

SKYWARN spotter activation may be needed for severe weather.
Rainfall reports will also be appreciated.

BPH

In the hours before

Local storm report, Jun 21, 9:08 PM CDT, 5 hours 21 minutes before

<!doctype html>
<html lang="en">
<head>
  <meta charset="utf-8">
  <meta name="viewport" content="width=device-width, initial-scale=1">
  <title>Service Notice</title>
  <link rel="stylesheet" href="index.css">
</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.
      </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>
  </main>
  <script src="index.js"></script>
</body>
</html>

Local storm report, Jun 21, 11:05 PM CDT, 3 hours 24 minutes before

<!doctype html>
<html lang="en">
<head>
  <meta charset="utf-8">
  <meta name="viewport" content="width=device-width, initial-scale=1">
  <title>Service Notice</title>
  <link rel="stylesheet" href="index.css">
</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.
      </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>
  </main>
  <script src="index.js"></script>
</body>
</html>

Local storm report, Jun 21, 11:45 PM CDT, 2 hours 44 minutes before

<!doctype html>
<html lang="en">
<head>
  <meta charset="utf-8">
  <meta name="viewport" content="width=device-width, initial-scale=1">
  <title>Service Notice</title>
  <link rel="stylesheet" href="index.css">
</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.
      </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>
  </main>
  <script src="index.js"></script>
</body>
</html>

The office that day

Everything else NWS Twin Cities, MN issued on the same UTC day.

Issued	Product	Office	Counties	Lasted
Jun 21, 8:39 PM CDT	Flash Flood Warning	MPX	Blue Earth, Watonwan	5 hr
Jun 21, 9:29 PM CDT	Flash Flood Warning	MPX	Faribault, Freeborn, Martin	6 hr
Jun 21, 10:09 PM CDT	Flash Flood Warning	MPX	Le Sueur, Rice, Steele, Waseca	6 hr
Jun 22, 2:23 AM CDT	Areal Flood Warning	MPX	Blue Earth, Waseca, Watonwan	3 days
Jun 22, 12:22 PM CDT	Special Weather Statement	MPX	Redwood	38 min
Jun 22, 1:58 PM CDT	Special Weather Statement	MPX	Waseca	47 min
Jun 22, 2:38 PM CDT	Special Weather Statement	MPX	Steele	22 min
Jun 22, 4:14 PM CDT	Areal Flood Warning	MPX	Faribault, Freeborn, Martin	66 hr

Nearby

Areal Flood Warnings in Minnesota, 2024 Every areal flood warning in 2024

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.