Alert archive / Oklahoma / Flash Flood Warnings in 2026

Flash Flood Warning 87, NWS Norman, OK

September 20, 2026Bryan County, Oklahoma

NWS Norman, OK issued this flash flood warning at Sep 20, 2026, 6:12 PM CDT for Bryan County, 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: Sep 20, 2026, 6:12 PM CDT (23:12 UTC)
Expired: Sep 20, 2026, 8:45 PM CDT
In force: 3 hr
Issued by: NWS Norman, OK
Area: Storm-based polygon
Flood severity: None

County Bryan County, OK

The radar

The Norman radar (KTLX), 179 km from the middle of the area, began a volume at 23:14 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 Sep 20, 6:00 PM CDT, 12 minutes earlier.

Area forecast discussion, Sep 20, 6:00 PM CDT, 12 minutes before

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In the hours before

Special weather statement, Sep 20, 2:59 PM CDT, 3 hours 13 minutes 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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Special weather statement, Sep 20, 3:28 PM CDT, 2 hours 44 minutes before

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      <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.
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      <p id="message2">
        Please try again in a few minutes.
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      <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, Sep 20, 4:01 PM CDT, 2 hours 11 minutes before

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    <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>
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Special weather statement, Sep 20, 4:51 PM CDT, 1 hour 21 minutes before

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<head>
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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>
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Special weather statement, Sep 20, 5:16 PM CDT, 56 minutes before

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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, Sep 20, 5:53 PM CDT, 19 minutes before

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<html lang="en">
<head>
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  <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
Sep 19, 7:04 PM CDT	Special Weather Statement	OUN	Alfalfa, Woods	26 min
Sep 19, 7:25 PM CDT	Special Weather Statement	OUN	Kay	50 min
Sep 19, 7:35 PM CDT	Special Weather Statement	OUN	Woods	25 min
Sep 19, 8:09 PM CDT	Special Weather Statement	OUN	Harmon	36 min
Sep 19, 8:20 PM CDT	Severe Thunderstorm Warning	OUN	Beckham, Greer, Harmon	25 min
Sep 19, 8:36 PM CDT	Severe Thunderstorm Warning	OUN	Beckham, Greer, Harmon, Jackson	39 min
Sep 19, 9:12 PM CDT	Special Weather Statement	OUN	Beckham, Greer, Jackson, Kiowa	33 min
Sep 19, 9:18 PM CDT	Special Weather Statement	OUN	Ellis	27 min
Sep 19, 9:39 PM CDT	Severe Thunderstorm Warning	OUN	Ellis	36 min
Sep 19, 9:55 PM CDT	Special Weather Statement	OUN	Woodward	20 min
Sep 19, 10:07 PM CDT	Severe Thunderstorm Warning	OUN	Woodward	23 min
Sep 19, 10:13 PM CDT	Special Weather Statement	OUN	Ellis	32 min
Sep 19, 10:30 PM CDT	Severe Thunderstorm Warning	OUN	Woodward	30 min
Sep 19, 10:58 PM CDT	Special Weather Statement	OUN	Woodward	32 min
Sep 20, 12:59 PM CDT	Special Weather Statement	OUN	Seminole	31 min
Sep 20, 1:28 PM CDT	Special Weather Statement	OUN	Murray	32 min
Sep 20, 1:34 PM CDT	Special Weather Statement	OUN	Seminole	26 min
Sep 20, 1:56 PM CDT	Special Weather Statement	OUN	Seminole	49 min
Sep 20, 2:21 PM CDT	Special Weather Statement	OUN	Johnston	24 min
Sep 20, 2:32 PM CDT	Special Weather Statement	OUN	Hughes, Pontotoc	28 min
Sep 20, 2:42 PM CDT	Special Weather Statement	OUN	Johnston	33 min
Sep 20, 2:56 PM CDT	Special Weather Statement	OUN	Hughes, Pontotoc	49 min
Sep 20, 2:59 PM CDT	Special Weather Statement	OUN	Johnston	31 min
Sep 20, 3:28 PM CDT	Special Weather Statement	OUN	Coal, Johnston, Marshall	47 min
Sep 20, 3:42 PM CDT	Severe Thunderstorm Warning	OUN	Carter, Johnston, Love, Marshall	20 min
Sep 20, 4:01 PM CDT	Special Weather Statement	OUN	Atoka, Bryan, Coal, Marshall	44 min
Sep 20, 4:24 PM CDT	Areal Flood Advisory	OUN	Atoka, Bryan, Coal, Johnston, Marshall	3 hr
Sep 20, 4:51 PM CDT	Special Weather Statement	OUN	Bryan	24 min
Sep 20, 5:16 PM CDT	Special Weather Statement	OUN	Bryan	44 min
Sep 20, 5:19 PM CDT	Areal Flood Advisory	OUN	Bryan	3 hr
Sep 20, 5:52 PM CDT	Severe Thunderstorm Warning	OUN	Bryan	38 min
Sep 20, 5:53 PM CDT	Special Weather Statement	OUN	Bryan	52 min
Sep 20, 6:27 PM CDT	Special Weather Statement	OUN	Bryan	33 min
Sep 19, 8:40 PM CDT	Special Weather Statement	OUN	Hardeman	35 min
Sep 19, 10:33 PM CDT	Special Weather Statement	OUN	Hardeman	27 min

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.