Alert archive / Oklahoma / Flash Flood Warnings in 2025
Flash Flood Warning 159, NWS Norman, OK
NWS Norman, OK issued this flash flood warning at Sep 24, 2025, 1:09 AM CDT for Marshall 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 24, 2025, 1:09 AM CDT (06:09 UTC)
- Expired
- Sep 24, 2025, 4:15 AM CDT
- In force
- 3 hr
- Issued by
- NWS Norman, OK
- Area
- Storm-based polygon
- Flood severity
- None
County Marshall County, OK
The radar
The Norman radar (KTLX), 153 km from the middle of the area, began a volume at 06:12 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 nearest sounding before it
Shreveport, LA (KSHV), launched 00:00Z, 6.2 hours before the alert went out and 329 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.
- Mixed-layer CAPE
- 1891 J/kg
- Mixed-layer CIN
- -8 J/kg
- Mixed-layer LCL
- 1518 m above ground
- 0-6 km bulk shear
- 22 kt
- 0-1 km storm-relative helicity
- -16 m²/s²
- 0-3 km storm-relative helicity
- 71 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.9
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 23, 6:25 PM CDT, 6 hours 44 minutes earlier.
Area forecast discussion, Sep 23, 6:25 PM CDT, 6 hours 44 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 |
|---|---|---|---|---|
| Sep 23, 7:04 PM CDT | Special Weather Statement | OUN | Johnston | 41 min |
| Sep 23, 7:12 PM CDT | Severe Thunderstorm Warning | OUN | Atoka, Bryan, Johnston, Marshall | 48 min |
| Sep 23, 7:23 PM CDT | Areal Flood Advisory | OUN | Atoka, Bryan, Johnston, Marshall | 3 hr |
| Sep 23, 7:28 PM CDT | Severe Thunderstorm Warning | OUN | Atoka, Coal | 32 min |
| Sep 23, 7:59 PM CDT | Special Weather Statement | OUN | Atoka | 46 min |
| Sep 23, 8:36 PM CDT | Areal Flood Advisory | OUN | Atoka | 3 hr |
| Sep 23, 9:01 PM CDT | Special Weather Statement | OUN | Bryan | 44 min |
| Sep 23, 9:13 PM CDT | Severe Thunderstorm Warning | OUN | Bryan | 47 min |
| Sep 23, 9:39 PM CDT | Special Weather Statement | OUN | Bryan | 36 min |
| Sep 23, 9:56 PM CDT | Special Weather Statement | OUN | Atoka | 34 min |
| Sep 23, 10:01 PM CDT | Special Weather Statement | OUN | Bryan | 29 min |
| Sep 23, 10:13 PM CDT | Severe Thunderstorm Warning | OUN | Bryan | 47 min |
| Sep 23, 11:23 PM CDT | Special Weather Statement | OUN | Atoka | 22 min |
| Sep 23, 11:25 PM CDT | Special Weather Statement | OUN | Bryan | 35 min |
| Sep 23, 11:44 PM CDT | Special Weather Statement | OUN | Johnston | 31 min |
| Sep 23, 11:46 PM CDT | Special Weather Statement | OUN | Marshall | 29 min |
| Sep 23, 11:54 PM CDT | Special Weather Statement | OUN | Marshall | 36 min |
| Sep 23, 11:57 PM CDT | Special Weather Statement | OUN | Love | 33 min |
| Sep 24, 12:15 AM CDT | Special Weather Statement | OUN | Atoka | 30 min |
| Sep 24, 12:21 AM CDT | Severe Thunderstorm Warning | OUN | Atoka, Bryan | 28 min |
| Sep 24, 12:30 AM CDT | Special Weather Statement | OUN | Marshall | 30 min |
| Sep 24, 12:33 AM CDT | Areal Flood Advisory | OUN | Love, Marshall | 3 hr |
| Sep 24, 12:39 AM CDT | Areal Flood Advisory | OUN | Atoka, Bryan | 3 hr |
| Sep 24, 12:48 AM CDT | Special Weather Statement | OUN | Atoka | 27 min |
| Sep 24, 1:15 AM CDT | Special Weather Statement | OUN | Atoka | 15 min |
| Sep 24, 1:20 AM CDT | Flash Flood Warning | OUN | Atoka | 3 hr |
| Sep 24, 1:23 AM CDT | Special Weather Statement | OUN | Atoka | 37 min |
| Sep 24, 1:27 AM CDT | Special Weather Statement | OUN | Bryan | 33 min |
| Sep 24, 1:32 AM CDT | Areal Flood Advisory | OUN | Bryan | 3 hr |
| Sep 24, 2:01 AM CDT | Special Weather Statement | OUN | Bryan | 29 min |
| Sep 24, 2:07 AM CDT | Flash Flood Warning | OUN | Bryan | 3 hr |
| Sep 24, 1:17 AM CDT | Special Weather Statement | OUN | Clay | 28 min |
Nearby
Flash Flood Warnings in Oklahoma, 2025Every flash 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; the sounding from the Mesonet's radiosonde archive; radar from the NEXRAD Level II archive.