Alert archive / Missouri / River Flood Warnings in 2025

River Flood Warning 9, NWS Kansas City, MO

April 20, 2025Cooper County, Missouri

NWS Kansas City, MO issued this river flood warning at Apr 20, 2025, 2:06 AM CDT for Cooper County, Missouri. It took effect at Apr 20, 2025, 12:18 PM CDT. It was in force for 36 hr.

The area

The counties it named.

The facts

Issued: Apr 20, 2025, 2:06 AM CDT (07:06 UTC)
In effect from: Apr 20, 2025, 12:18 PM CDT
Expired: Apr 22, 2025, 12:21 AM CDT
In force: 36 hr
Issued by: NWS Kansas City, MO
Area: Storm-based polygon
Flood severity: Moderate

County Cooper County, MO

The radar

The Pleasant Hill radar (KEAX), 126 km from the middle of the area, began a volume at 07:09 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 Lamine River near Otterville (OTTM7). The gauge peaked at 21.46 ft at Apr 21, 2025, 3:00 AM CDT.

Action stage: 10 ft
Minor stage: 15 ft
Moderate stage: 18 ft
Major stage: 26 ft

This gauge today: stage, forecast and historic crests

Stage from the USGS instantaneous record for site 06906800, 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 Kansas City, MO wrote its last area forecast discussion before this river flood warning went out at Apr 20, 12:01 AM CDT, 2 hours 5 minutes earlier.

Area forecast discussion, Apr 20, 12:01 AM CDT, 2 hours 5 minutes before

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Hazardous weather outlook, Apr 19, 4:34 AM CDT, 21 hours 32 minutes before

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<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.
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The office that day

Everything else NWS Kansas City, MO issued on the same UTC day.

Issued	Product	Office	Counties	Lasted
Apr 20, 1:36 AM CDT	River Flood Warning	EAX	Cass, Henry, Johnson	62 hr
Apr 20, 1:49 AM CDT	River Flood Warning	EAX	Bates, Cass, Henry	54 hr
Apr 20, 2:06 AM CDT	River Flood Warning	EAX	Cooper, Saline	7 days
Apr 20, 2:06 AM CDT	River Flood Warning	EAX	Cooper	57 hr
Apr 20, 2:06 AM CDT	River Flood Warning	EAX	Johnson, Pettis	63 hr
Apr 20, 7:58 AM CDT	River Flood Warning	EAX	Howard	27 hr
Apr 20, 8:02 AM CDT	River Flood Warning	EAX	Carroll	29 hr
Apr 20, 8:04 AM CDT	River Flood Warning	EAX	Bates	56 hr
Apr 20, 12:28 PM CDT	Areal Flood Warning	EAX	Bates, Henry	9 hr
Apr 20, 1:34 PM CDT	Special Weather Statement	EAX	Henry	26 min
Apr 20, 1:41 PM CDT	Flash Flood Warning	EAX	Bates, Henry	5 hr
Apr 20, 2:30 PM CDT	Flash Flood Warning	EAX	Henry, Johnson, Lafayette, Pettis, Saline	6 hr
Apr 20, 2:48 PM CDT	Severe Thunderstorm Warning	EAX	Bates, Henry	57 min
Apr 20, 3:01 PM CDT	Special Weather Statement	EAX	Macon	29 min
Apr 20, 3:14 PM CDT	Severe Thunderstorm Warning	EAX	Adair, Chariton, Macon, Randolph	46 min
Apr 20, 3:43 PM CDT	Severe Thunderstorm Warning	EAX	Henry, Johnson, Pettis	47 min
Apr 20, 4:03 PM CDT	Areal Flood Warning	EAX	Bates, Cass, Johnson	6 hr
Apr 20, 4:09 PM CDT	Special Weather Statement	EAX	Adair	21 min
Apr 20, 4:10 PM CDT	Flash Flood Warning	EAX	Cooper, Howard, Pettis, Saline	4 hr
Apr 20, 4:27 PM CDT	Severe Thunderstorm Warning Considerable damage threat	EAX	Cooper, Pettis	63 min
Apr 20, 4:37 PM CDT	Tornado Warning	EAX	Cooper	23 min
Apr 20, 4:49 PM CDT	Areal Flood Warning	EAX	Lafayette, Saline	5 hr
Apr 20, 5:02 PM CDT	Severe Thunderstorm Warning	EAX	Howard	29 min
Apr 20, 5:14 PM CDT	Severe Thunderstorm Warning	EAX	Macon, Randolph	34 min
Apr 20, 5:59 PM CDT	Areal Flood Warning	EAX	Chariton, Howard, Macon, Randolph, Saline	6 hr
Apr 20, 8:04 AM CDT	River Flood Warning	EAX	Linn	30 hr

Nearby

River Flood Warnings in Missouri, 2025 Every river flood warning in 2025

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.