Alert archive / Texas / Flash Flood Warnings in 2026

Flash Flood Warning 3, NWS Houston/Galveston, TX

May 23, 2026Brazoria County, Galveston County, Texas

NWS Houston/Galveston, TX issued this flash flood warning at May 23, 2026, 1:45 PM CDT for Brazoria County, Galveston County, Texas. 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: May 23, 2026, 1:45 PM CDT (18:45 UTC)
Expired: May 23, 2026, 4:20 PM CDT
In force: 3 hr
Issued by: NWS Houston/Galveston, TX
Area: Storm-based polygon
Flood severity: None

Counties Brazoria County, TX, Galveston County, TX

The radar

The Houston radar (KHGX), 27 km from the middle of the area, began a volume at 18:49 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 Houston/Galveston, TX wrote its last area forecast discussion before this flash flood warning went out at May 23, 1:00 PM CDT, 45 minutes earlier.

Area forecast discussion, May 23, 1:00 PM CDT, 45 minutes before

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In the hours before

Special weather statement, May 23, 8:13 AM CDT, 5 hours 32 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.
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      <p id="message2">
        Please try again in a few minutes.
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Local storm report, May 23, 8:57 AM CDT, 4 hours 48 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, May 23, 9:00 AM CDT, 4 hours 45 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>
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Special weather statement, May 23, 12:30 PM CDT, 1 hour 15 minutes before

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<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>

Local storm report, May 23, 1:29 PM CDT, 16 minutes before

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<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 Houston/Galveston, TX issued on the same UTC day.

Issued	Product	Office	Counties	Lasted
May 23, 3:04 AM CDT	Special Weather Statement	HGX	Colorado	26 min
May 23, 3:44 AM CDT	Special Weather Statement	HGX	Jackson	31 min
May 23, 3:53 AM CDT	Special Weather Statement	HGX	Wharton	37 min
May 23, 4:18 AM CDT	Special Weather Statement	HGX	Fort Bend, Wharton	27 min
May 23, 4:45 AM CDT	Special Weather Statement	HGX	Brazoria, Fort Bend, Wharton	30 min
May 23, 5:14 AM CDT	Special Weather Statement	HGX	Fort Bend, Harris	31 min
May 23, 5:17 AM CDT	Severe Thunderstorm Warning	HGX	Brazoria, Fort Bend, Harris	28 min
May 23, 5:32 AM CDT	Special Weather Statement	HGX	Brazoria	28 min
May 23, 5:44 AM CDT	Special Weather Statement	HGX	Harris	31 min
May 23, 5:55 AM CDT	Severe Thunderstorm Warning	HGX	Brazoria, Fort Bend, Galveston, Harris	15 min
May 23, 5:57 AM CDT	Special Marine Warning	HGX		72 min
May 23, 6:16 AM CDT	Special Weather Statement	HGX	Chambers, Galveston, Harris, Liberty	29 min
May 23, 6:46 AM CDT	Special Weather Statement	HGX	Chambers, Liberty	29 min
May 23, 6:52 AM CDT	Special Weather Statement	HGX	Galveston	23 min
May 23, 7:06 AM CDT	Severe Thunderstorm Warning	HGX	Chambers, Galveston, Liberty	24 min
May 23, 7:24 AM CDT	Special Weather Statement	HGX	Polk, San Jacinto	36 min
May 23, 7:29 AM CDT	Severe Thunderstorm Warning	HGX	Chambers, Galveston, Liberty	16 min
May 23, 8:13 AM CDT	Special Weather Statement	HGX	Polk	92 min
May 23, 12:15 PM CDT	Special Marine Warning	HGX		60 min
May 23, 12:30 PM CDT	Special Weather Statement	HGX	Galveston	60 min
May 23, 12:34 PM CDT	Areal Flood Advisory	HGX	Brazoria, Fort Bend, Galveston, Harris	3 hr
May 23, 1:13 PM CDT	Special Marine Warning	HGX		62 min
May 23, 1:36 PM CDT	Areal Flood Advisory	HGX	Galveston	3 hr
May 23, 1:42 PM CDT	Special Marine Warning	HGX		48 min
May 23, 1:59 PM CDT	Areal Flood Advisory	HGX	Brazoria, Chambers, Fort Bend, Harris, Liberty	3 hr
May 23, 2:18 PM CDT	Special Marine Warning	HGX		57 min
May 23, 2:20 PM CDT	Special Weather Statement	HGX	Matagorda	55 min
May 23, 2:26 PM CDT	Areal Flood Advisory	HGX	Brazoria, Fort Bend, Galveston, Wharton	3 hr
May 23, 2:49 PM CDT	Severe Thunderstorm Warning	HGX	Brazoria, Matagorda, Wharton	26 min
May 23, 3:12 PM CDT	Severe Thunderstorm Warning	HGX	Brazoria, Matagorda	24 min
May 23, 3:22 PM CDT	Areal Flood Advisory	HGX	Brazoria, Galveston	3 hr
May 23, 3:34 PM CDT	Special Weather Statement	HGX	Brazoria, Fort Bend	41 min
May 23, 3:51 PM CDT	Flash Flood Warning	HGX	Brazoria, Galveston	105 min
May 23, 4:14 PM CDT	Flash Flood Warning	HGX	Brazoria, Fort Bend, Harris, Waller	111 min
May 23, 4:20 PM CDT	Areal Flood Warning	HGX	Brazoria, Galveston	2 hr
May 23, 4:31 PM CDT	Areal Flood Advisory	HGX	Harris, Montgomery, Polk, San Jacinto, Trinity, Walker	119 min
May 23, 4:33 PM CDT	Special Weather Statement	HGX	Trinity	27 min
May 23, 4:39 PM CDT	Severe Thunderstorm Warning	HGX	Polk, Trinity	17 min
May 23, 5:36 PM CDT	Areal Flood Warning	HGX	Brazoria, Galveston	69 min
May 23, 6:05 PM CDT	Areal Flood Warning	HGX	Brazoria, Fort Bend, Harris, Waller	70 min

Nearby

Flash Flood Warnings in Texas, 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.