Alert archive / Kansas / River Flood Warnings in 2025
River Flood Warning 25, NWS Topeka, KS
NWS Topeka, KS issued this river flood warning at Sep 2, 2025, 1:49 PM CDT for Lyon County, Kansas. It took effect at Sep 2, 2025, 10:36 PM CDT. It was in force for 12 hr.
The area
The counties it named.
The facts
- Issued
- Sep 2, 2025, 1:49 PM CDT (18:49 UTC)
- In effect from
- Sep 2, 2025, 10:36 PM CDT
- Expired
- Sep 3, 2025, 10:45 AM CDT
- In force
- 12 hr
- Issued by
- NWS Topeka, KS
- Area
- Storm-based polygon
- Flood severity
- Minor
County Lyon County, KS
The radar
The Topeka radar (KTWX), 61 km from the middle of the area, began a volume at 18:51 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 river
Written for the forecast point Cottonwood River at Emporia (EMPK1). The gauge peaked at 20.33 ft at Sep 3, 2025, 6:00 AM CDT.
- Action stage
- 15 ft
- Minor stage
- 20 ft
- Moderate stage
- 24 ft
- Major stage
- 32 ft
This gauge today: stage, forecast and historic crests
Stage from the USGS instantaneous record for site 07182260, one reading an hour, from a day before the product to a day after it ended. Flood stages are today's.
What forecasters said that day
The local office's own words before this river flood warning went out, as it sent them, from the Iowa Environmental Mesonet's archive of National Weather Service text.
NWS Topeka, KS wrote its last area forecast discussion before this river flood warning went out at Sep 2, 12:09 PM CDT, 1 hour 40 minutes earlier.
Area forecast discussion, Sep 2, 12:09 PM CDT, 1 hour 40 minutes before
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</html>Hazardous weather outlook, Sep 2, 4:07 AM CDT, 9 hours 42 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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</section>
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</html>The office that day
Everything else NWS Topeka, KS issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Sep 1, 7:26 PM CDT | Areal Flood Advisory | TOP | Geary, Riley, Wabaunsee | 52 min |
| Sep 1, 8:18 PM CDT | Flash Flood Warning | TOP | Geary, Riley, Wabaunsee | 4 hr |
Nearby
River Flood Warnings in Kansas, 2025Every river 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; radar from the NEXRAD Level II archive; the gauge from the NWS water service and the USGS.