Alert archive / Nebraska / Flash Flood Warnings in 2023

Flash Flood Warning 9, NWS Omaha, NE

June 1, 20234 counties in Nebraska

NWS Omaha, NE issued this flash flood warning at Jun 1, 2023, 2:33 PM CDT for 4 counties in Nebraska. 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
Jun 1, 2023, 2:33 PM CDT (19:33 UTC)
Expired
Jun 1, 2023, 5:23 PM CDT
In force
3 hr
Issued by
NWS Omaha, NE
Area
Storm-based polygon
Flood severity
None

Counties Gage County, NE, Johnson County, NE, Lancaster County, NE, Otoe County, NE

The radar

The Omaha radar (KOAX), 89 km from the middle of the area, began a volume at 19:36 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 Omaha, NE wrote its last area forecast discussion before this flash flood warning went out at Jun 1, 12:38 PM CDT, 1 hour 55 minutes earlier.

Area forecast discussion, Jun 1, 12:38 PM CDT, 1 hour 55 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>
Hazardous weather outlook, Jun 1, 11:57 AM CDT, 2 hours 36 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>

In the hours before

Local storm report, Jun 1, 12:43 PM CDT, 1 hour 50 minutes before
Preliminary Local Storm Report
National Weather Service Omaha/Valley NE
1243 PM CDT Thu Jun 1 2023

..TIME...   ...EVENT...      ...CITY LOCATION...     ...LAT.LON...
..DATE...   ....MAG....      ..COUNTY LOCATION..ST.. ...SOURCE....
            ..REMARKS..

0730 AM     Flood            3 SE Sterling           40.43N 96.35W
06/01/2023                   Johnson            NE   Public

            Report from mPING: River/Creek overflowing;
            Cropland/Yard/Basement Flooding. Person
            making the report followed up with the
            office. Recorded a total of 4.24 inches of
            rain. Approximately 6-inches of water
            flooded their driveway and barn.

&&

PF

The office that day

Everything else NWS Omaha, NE issued on the same UTC day.

IssuedProductOfficeCountiesLasted
Jun 1, 6:26 AM CDTFlash Flood WarningOAXJohnson3 hr
Jun 1, 2:28 PM CDTSevere Thunderstorm WarningOAXGage, Johnson, Otoe19 min
Jun 1, 4:04 PM CDTSevere Thunderstorm WarningOAXDodge, Douglas, Saunders, Washington29 min
Jun 1, 4:17 PM CDTSevere Thunderstorm WarningOAXDouglas, Sarpy43 min

Nearby

Flash Flood Warnings in Nebraska, 2023Every flash flood warning in 2023

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.