Alert archive / Iowa / River Flood Warnings in 2024

River Flood Warning 45, NWS Des Moines, IA

July 1, 2024Black Hawk County, Bremer County, Butler County, Iowa

NWS Des Moines, IA issued this river flood warning at Jul 1, 2024, 12:52 PM CDT for Black Hawk County, Bremer County, Butler County, Iowa. It took effect at Jul 3, 2024, 7:00 AM CDT. It was in force for 4 days.

The area

The counties it named.

The facts

Issued: Jul 1, 2024, 12:52 PM CDT (17:52 UTC)
In effect from: Jul 3, 2024, 7:00 AM CDT
Expired: Jul 7, 2024, 4:00 PM CDT
In force: 4 days
Issued by: NWS Des Moines, IA
Area: Storm-based polygon
Flood severity: Minor

Counties Black Hawk County, IA, Bremer County, IA, Butler County, IA

The radar

The Des Moines radar (KDMX), 146 km from the middle of the area, began a volume at 17:55 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 river

Written for the forecast point Shell Rock River at Shell Rock (SHRI4). The gauge peaked at 12.53 ft at Jul 4, 2024, 2:00 PM CDT.

Action stage: 10 ft
Minor stage: 12 ft
Moderate stage: 16 ft
Major stage: 18 ft

This gauge today: stage, forecast and historic crests

Stage from the USGS instantaneous record for site 05462000, one reading an hour, from a day before the product to a day after it ended. Flood stages are today's.

What forecasters said that day

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

NWS Des Moines, IA wrote its last area forecast discussion before this river flood warning went out at Jul 1, 12:51 PM CDT, 1 minute earlier.

Area forecast discussion, Jul 1, 12:51 PM CDT, 1 minute before

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      <div class="status" id="status">Temporary Notice</div>
      <h1 id="headline">This service is currently unavailable.</h1>
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Hazardous weather outlook, Jul 1, 3:22 AM CDT, 9 hours 30 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 Des Moines, IA issued on the same UTC day.

Issued	Product	Office	Counties	Lasted
Jul 1, 12:47 PM CDT	River Flood Watch	DMX	Cerro Gordo, Floyd, Worth	28 hr
Jul 1, 12:47 PM CDT	River Flood Watch	DMX	Black Hawk	4 days
Jul 1, 1:18 PM CDT	Flood Watch	DMX	Adair, Audubon, Boone, Calhoun, Carroll, Cass and 21 more	22 hr

Nearby

River Flood Warnings in Iowa, 2024 Every river 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; radar from the NEXRAD Level II archive; the gauge from the NWS water service and the USGS.