Alert archive / Oklahoma / Severe Thunderstorm Warnings in 2025

Severe Thunderstorm Warning 1113, NWS Norman, OK

September 23, 2025Carter County, Oklahoma

NWS Norman, OK issued this severe thunderstorm warning at Sep 23, 2025, 3:53 PM CDT for Carter County, Oklahoma. It was in force for 52 min. 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 23, 2025, 3:53 PM CDT (20:53 UTC)
Expired: Sep 23, 2025, 4:45 PM CDT
In force: 52 min
Issued by: NWS Norman, OK
Area: Storm-based polygon
Hail: 1.25 in
Wind: 60.0 mph

County Carter County, OK

The radar

The Norman radar (KTLX), 120 km from the middle of the area, began a volume at 20:53 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 watch it was issued in

The SPC watch in force over the same counties when this warning went out.

Issued	Product	Office	Lasted
Sep 23, 3:23 PM CDT	Severe Thunderstorm Watch	SPC	9 hr

The nearest sounding before it

Norman, OK (KOUN), launched 12:00Z, 8.9 hours before the alert went out and 108 km from the middle of its area. This is the routine balloon launch nearest before it, the air the forecaster had in hand, not a measurement taken for the alert.

Skew-T log-p

Temperature in red, dew point in green, the mixed-layer parcel dashed.

Hodograph

The wind turning with height, colored by layer: ground to 1 km, 1 to 3 km, 3 to 6 km, 6 to 10 km.

Mixed-layer CAPE: 1228 J/kg
Mixed-layer CIN: -270 J/kg
Mixed-layer LCL: 1413 m above ground
0-6 km bulk shear: 28 kt
0-1 km storm-relative helicity: 268 m²/s²
0-3 km storm-relative helicity: 228 m²/s²
Significant tornado parameter: 0.0
Supercell composite: 0.1

Open this sounding in Storm Lab

What forecasters said that day

The local office's own words before this severe thunderstorm 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 severe thunderstorm warning went out at Sep 23, 1:10 PM CDT, 2 hours 43 minutes earlier.

Area forecast discussion, Sep 23, 1:10 PM CDT, 2 hours 43 minutes before

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In the hours before

Special weather statement, Sep 23, 3:05 PM CDT, 48 minutes before

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<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.
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The office that day

Everything else NWS Norman, OK issued on the same UTC day.

Issued	Product	Office	Counties	Lasted
Sep 22, 10:54 PM CDT	Special Weather Statement	OUN	Ellis	36 min
Sep 22, 11:28 PM CDT	Special Weather Statement	OUN	Ellis, Harper, Woodward	32 min
Sep 23, 12:00 AM CDT	Special Weather Statement	OUN	Woodward	30 min
Sep 23, 12:11 AM CDT	Severe Thunderstorm Warning	OUN	Woodward	34 min
Sep 23, 12:25 AM CDT	Special Weather Statement	OUN	Woods	35 min
Sep 23, 12:28 AM CDT	Severe Thunderstorm Warning	OUN	Woods	47 min
Sep 23, 12:47 AM CDT	Special Weather Statement	OUN	Alfalfa	28 min
Sep 23, 1:00 AM CDT	Severe Thunderstorm Warning	OUN	Alfalfa	45 min
Sep 23, 1:38 AM CDT	Special Weather Statement	OUN	Grant	37 min
Sep 23, 2:04 AM CDT	Severe Thunderstorm Warning	OUN	Grant, Kay	41 min
Sep 23, 2:39 AM CDT	Special Weather Statement	OUN	Garfield	36 min
Sep 23, 3:05 AM CDT	Special Weather Statement	OUN	Grant	10 min
Sep 23, 3:08 AM CDT	Special Weather Statement	OUN	Garfield	37 min
Sep 23, 3:05 PM CDT	Special Weather Statement	OUN	Carter	25 min
Sep 23, 3:18 PM CDT	Severe Thunderstorm Warning	OUN	Carter	42 min
Sep 23, 4:26 PM CDT	Special Weather Statement	OUN	Coal	34 min
Sep 23, 4:39 PM CDT	Special Weather Statement	OUN	Marshall	36 min
Sep 23, 4:44 PM CDT	Severe Thunderstorm Warning	OUN	Coal, Pontotoc	32 min
Sep 23, 5:15 PM CDT	Severe Thunderstorm Warning	OUN	Hughes	19 min
Sep 23, 5:48 PM CDT	Special Weather Statement	OUN	Johnston	27 min
Sep 23, 5:50 PM CDT	Special Weather Statement	OUN	Love	25 min
Sep 23, 5:55 PM CDT	Severe Thunderstorm Warning	OUN	Love	50 min
Sep 23, 5:59 PM CDT	Special Weather Statement	OUN	Atoka	31 min
Sep 23, 6:12 PM CDT	Special Weather Statement	OUN	Atoka, Bryan	48 min
Sep 23, 6:28 PM CDT	Severe Thunderstorm Warning	OUN	Bryan, Marshall	47 min
Sep 23, 6:48 PM CDT	Severe Thunderstorm Warning Considerable damage threat	OUN	Bryan, Marshall	42 min
Sep 23, 6:58 PM CDT	Special Weather Statement	OUN	Bryan	47 min

Nearby

Severe Thunderstorm Warnings in Oklahoma, 2025 Every severe thunderstorm 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; the sounding from the Mesonet's radiosonde archive; radar from the NEXRAD Level II archive.