Alert archive / Indiana / River Flood Warnings in 2026

River Flood Warning 88, NWS Indianapolis, IN

May 20, 2026Johnson County, Indiana

NWS Indianapolis, IN issued this river flood warning at May 20, 2026, 8:27 AM EDT for Johnson County, Indiana. It was in force for 37 hr.

The area

The counties it named.

The facts

Issued: May 20, 2026, 8:27 AM EDT (12:27 UTC)
Expired: May 21, 2026, 9:55 PM EDT
In force: 37 hr
Issued by: NWS Indianapolis, IN
Area: Storm-based polygon
Flood severity: Minor

County Johnson County, IN

The radar

The Indianapolis radar (KIND), 29 km from the middle of the area, began a volume at 12:26 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 Youngs Creek at Amity (AMTI3).

Action stage: 5 ft
Minor stage: 7 ft
Moderate stage: 10 ft
Major stage: 14 ft

This gauge today: stage, forecast and historic crests

Stage from the USGS instantaneous record for site 03362000, 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 Indianapolis, IN wrote its last area forecast discussion before this river flood warning went out at May 20, 6:46 AM EDT, 1 hour 41 minutes earlier.

Area forecast discussion, May 20, 6:46 AM EDT, 1 hour 41 minutes before

<!doctype html>
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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.
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  <script src="index.js"></script>
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Hazardous weather outlook, May 20, 3:42 AM EDT, 4 hours 45 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 Indianapolis, IN issued on the same UTC day.

Issued	Product	Office	Counties	Lasted
May 19, 10:02 PM EDT	Areal Flood Warning	IND	Daviess, Greene, Knox, Lawrence, Martin	6 hr
May 20, 7:51 AM EDT	Areal Flood Advisory	IND	Bartholomew, Brown, Daviess, Greene, Knox, Lawrence and 4 more	5 hr
May 20, 9:54 AM EDT	Areal Flood Warning	IND	Daviess, Greene, Knox, Martin	9 hr
May 20, 11:56 AM EDT	River Flood Warning	IND	Greene, Monroe, Owen	48 hr
May 20, 11:56 AM EDT	River Flood Warning	IND	Bartholomew, Jackson	47 hr
May 20, 11:56 AM EDT	River Flood Warning	IND	Bartholomew	51 hr
May 20, 11:56 AM EDT	River Flood Warning	IND	Lawrence, Martin	10 days
May 20, 12:13 PM EDT	River Flood Warning	IND	Decatur	8 hr
May 20, 1:01 PM EDT	Areal Flood Warning	IND	Brown, Greene, Monroe, Owen	6 hr
May 20, 2:48 PM EDT	Areal Flood Warning	IND	Decatur, Rush	9 hr

Nearby

River Flood Warnings in Indiana, 2026 Every river 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; the gauge from the NWS water service and the USGS.