Alert archive / Nebraska / Areal Flood Warnings in 2021

Areal Flood Warning 7, NWS Hastings, NE

July 25, 2021Furnas County, Gosper County, Nebraska

NWS Hastings, NE issued this areal flood warning at Jul 25, 2021, 1:27 PM CDT for Furnas County, Gosper County, Nebraska. It was in force for 8 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: Jul 25, 2021, 1:27 PM CDT (18:27 UTC)
Expired: Jul 25, 2021, 9:52 PM CDT
In force: 8 hr
Issued by: NWS Hastings, NE
Area: Storm-based polygon
Flood severity: None

Counties Furnas County, NE, Gosper County, NE

The radar

The Grand Island radar (KUEX), 121 km from the middle of the area, began a volume at 18:30 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

Dodge City, (KDDC), launched 12:00Z, 6.5 hours before the alert went out and 286 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: 1522 J/kg
Mixed-layer CIN: -110 J/kg
Mixed-layer LCL: 1763 m above ground
0-6 km bulk shear: 8 kt
0-1 km storm-relative helicity: 49 m²/s²
0-3 km storm-relative helicity: 57 m²/s²
Significant tornado parameter: 0.0
Supercell composite: 0.0

Open this sounding in Storm Lab

What forecasters said that day

The local office's own words before this areal flood warning went out, as it sent them, from the Iowa Environmental Mesonet's archive of National Weather Service text.

NWS Hastings, NE wrote its last area forecast discussion before this areal flood warning went out at Jul 25, 12:28 PM CDT, 59 minutes earlier.

Area forecast discussion, Jul 25, 12:28 PM CDT, 59 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, Jul 25, 7:11 AM CDT, 6 hours 16 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, Jul 25, 9:04 AM CDT, 4 hours 23 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>

Local storm report, Jul 25, 12:40 PM CDT, 47 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 Hastings, NE issued on the same UTC day.

Issued	Product	Office	Counties	Lasted
Jul 24, 7:20 PM CDT	Special Weather Statement	GID	Harlan	40 min
Jul 24, 9:03 PM CDT	Special Weather Statement	GID	Kearney	42 min
Jul 24, 9:44 PM CDT	Special Weather Statement	GID	Kearney, Phelps	46 min
Jul 24, 9:52 PM CDT	Areal Flood Advisory	GID	Kearney, Phelps	50 min
Jul 24, 10:40 PM CDT	Areal Flood Advisory	GID	Kearney, Phelps	6 hr
Jul 25, 2:47 AM CDT	Areal Flood Advisory	GID	Furnas, Gosper	8 hr
Jul 25, 3:27 AM CDT	Special Weather Statement	GID	Harlan	33 min
Jul 25, 4:06 AM CDT	Special Weather Statement	GID	Gosper	24 min
Jul 25, 4:32 AM CDT	Flash Flood Warning	GID	Furnas, Gosper	6 hr
Jul 25, 5:09 AM CDT	Special Weather Statement	GID	Nuckolls	36 min
Jul 25, 5:23 AM CDT	Special Weather Statement	GID	Webster	37 min
Jul 25, 5:48 AM CDT	Areal Flood Advisory	GID	Adams, Clay, Nuckolls, Webster	6 hr
Jul 25, 6:57 AM CDT	Areal Flood Advisory	GID	Nuckolls, Thayer	12 hr
Jul 25, 7:37 AM CDT	Flash Flood Warning	GID	Furnas, Gosper	6 hr
Jul 24, 7:01 PM CDT	Special Weather Statement	GID	Rooks	44 min

Nearby

Areal Flood Warnings in Nebraska, 2021 Every areal flood warning in 2021

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.