Alert archive / Oklahoma / Flash Flood Warnings in 2026

Flash Flood Warning 16, NWS Norman, OK

April 15, 20264 counties in Oklahoma

NWS Norman, OK issued this flash flood warning at Apr 15, 2026, 7:30 PM CDT for 4 counties in Oklahoma. It was in force for 3 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 15, 2026, 7:30 PM CDT (00:30 UTC)
Expired: Apr 15, 2026, 10:30 PM CDT
In force: 3 hr
Issued by: NWS Norman, OK
Area: Storm-based polygon
Flood severity: None

Counties Carter County, OK, Johnston County, OK, Marshall County, OK, Murray County, OK

The radar

The Norman radar (KTLX), 122 km from the middle of the area, began a volume at 00:31 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.

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.

NWS Norman, OK wrote its last area forecast discussion before this flash flood warning went out at Apr 15, 6:42 PM CDT, 48 minutes earlier.

Area forecast discussion, Apr 15, 6:42 PM CDT, 48 minutes before

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In the hours before

Local storm report, Apr 15, 6:46 PM CDT, 44 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.
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Local storm report, Apr 15, 6:50 PM CDT, 40 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.
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Special weather statement, Apr 15, 6:57 PM CDT, 33 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.
      </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>
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Local storm report, Apr 15, 7:05 PM CDT, 25 minutes before

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<head>
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  <title>Service Notice</title>
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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.
      </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>

Special weather statement, Apr 15, 7:11 PM CDT, 19 minutes before

<!doctype html>
<html lang="en">
<head>
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  <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, Apr 15, 7:22 PM CDT, 8 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 Norman, OK issued on the same UTC day.

Issued	Product	Office	Counties	Lasted
Apr 15, 7:07 PM CDT	Areal Flood Advisory	OUN	Coal, Johnston, Murray, Pontotoc	3 hr
Apr 15, 7:11 PM CDT	Special Weather Statement	OUN	Kay	34 min
Apr 15, 7:21 PM CDT	Severe Thunderstorm Warning	OUN	Carter, Jefferson, Love	39 min
Apr 15, 7:25 PM CDT	Severe Thunderstorm Warning Considerable damage threat	OUN	Atoka, Coal, Hughes, Johnston, Pontotoc	50 min
Apr 15, 7:59 PM CDT	Special Weather Statement	OUN	Marshall	31 min
Apr 15, 8:04 PM CDT	Special Weather Statement	OUN	Atoka	26 min
Apr 15, 8:09 PM CDT	Severe Thunderstorm Warning	OUN	Bryan, Johnston, Marshall	51 min
Apr 15, 8:15 PM CDT	Areal Flood Advisory	OUN	Atoka, Coal, Johnston, Love, Marshall	3 hr
Apr 15, 8:47 PM CDT	Special Weather Statement	OUN	Bryan	28 min
Apr 15, 9:19 PM CDT	Special Weather Statement	OUN	Kay	26 min
Apr 15, 9:29 PM CDT	Special Weather Statement	OUN	Bryan	31 min
Apr 16, 4:29 AM CDT	Dense Fog Advisory	OUN	Beckham, Blaine, Caddo, Comanche, Custer, Dewey and 5 more	5 hr
Apr 16, 2:53 PM CDT	Red Flag Warning	OUN	Beckham, Custer, Dewey, Ellis, Harper, Roger Mills and 3 more	29 hr

Nearby

Flash Flood Warnings in Oklahoma, 2026 Every flash flood warning in 2026

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.