Alert archive / Nebraska / Flash Flood Warnings in 2019

Flash Flood Warning 15, NWS Hastings, NE

June 26, 2019York County, Nebraska

NWS Hastings, NE issued this flash flood warning at Jun 26, 2019, 2:43 AM CDT for York County, Nebraska. It was in force for 6 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 26, 2019, 2:43 AM CDT (07:43 UTC)
Expired: Jun 26, 2019, 8:25 AM CDT
In force: 6 hr
Issued by: NWS Hastings, NE
Area: Storm-based polygon
Flood severity: None

County York County, NE

The radar

The Grand Island radar (KUEX), 94 km from the middle of the area, began a volume at 07:42 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

Omaha, NE (KOAX), launched 00:00Z, 7.7 hours before the alert went out and 114 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: 354 J/kg
Mixed-layer CIN: -200 J/kg
Mixed-layer LCL: 1816 m above ground
0-6 km bulk shear: 42 kt
0-1 km storm-relative helicity: 85 m²/s²
0-3 km storm-relative helicity: 324 m²/s²
Significant tornado parameter: 0.0
Supercell composite: 10.8

Open this sounding in Storm Lab

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 Hastings, NE wrote its last area forecast discussion before this flash flood warning went out at Jun 26, 12:45 AM CDT, 1 hour 58 minutes earlier.

Area forecast discussion, Jun 26, 12:45 AM CDT, 1 hour 58 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 25, 9:55 PM CDT, 4 hours 48 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

Special weather statement, Jun 25, 8:44 PM CDT, 5 hours 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>

Special weather statement, Jun 25, 11:34 PM CDT, 3 hours 9 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>

Special weather statement, Jun 26, 1:10 AM CDT, 1 hour 33 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, Jun 26, 1:55 AM CDT, 48 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, Jun 26, 2:31 AM CDT, 12 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
Jun 25, 7:05 PM CDT	Severe Thunderstorm Warning	GID	Franklin, Webster	25 min
Jun 25, 7:11 PM CDT	Severe Thunderstorm Warning	GID	Nuckolls, Thayer, Webster	34 min
Jun 25, 7:15 PM CDT	Severe Thunderstorm Warning	GID	Franklin	30 min
Jun 25, 7:24 PM CDT	Severe Thunderstorm Warning	GID	Franklin, Harlan	21 min
Jun 25, 7:27 PM CDT	Severe Thunderstorm Warning	GID	Franklin, Webster	33 min
Jun 25, 7:40 PM CDT	Severe Thunderstorm Warning	GID	Nuckolls, Webster	35 min
Jun 25, 7:44 PM CDT	Severe Thunderstorm Warning	GID	Franklin, Harlan	31 min
Jun 25, 7:56 PM CDT	Severe Thunderstorm Warning	GID	Franklin, Webster	34 min
Jun 25, 8:10 PM CDT	Severe Thunderstorm Warning	GID	Franklin	35 min
Jun 25, 8:19 PM CDT	Areal Flood Advisory	GID	Webster	6 hr
Jun 26, 1:10 AM CDT	Special Weather Statement	GID	Hamilton, York	50 min
Jun 26, 1:21 AM CDT	Severe Thunderstorm Warning	GID	York	39 min
Jun 26, 1:30 AM CDT	Severe Thunderstorm Warning	GID	Hamilton, Merrick, Polk, York	30 min
Jun 26, 1:58 AM CDT	Areal Flood Advisory	GID	York	3 hr
Jun 26, 2:00 AM CDT	Severe Thunderstorm Warning	GID	Polk, York	45 min
Jun 26, 2:32 AM CDT	Severe Thunderstorm Warning	GID	Greeley, Valley	58 min
Jun 26, 2:47 AM CDT	Severe Thunderstorm Warning	GID	York	27 min
Jun 26, 3:11 AM CDT	Flash Flood Warning	GID	Fillmore, York	5 hr
Jun 26, 3:27 AM CDT	Severe Thunderstorm Warning	GID	Greeley, Howard, Merrick, Nance, Sherman, Valley	48 min
Jun 26, 3:58 AM CDT	Special Weather Statement	GID	Valley	32 min
Jun 26, 4:14 AM CDT	Special Weather Statement	GID	Howard, Merrick, Nance, Polk	31 min
Jun 26, 4:44 AM CDT	Severe Thunderstorm Warning	GID	Hall, Hamilton, Howard, Merrick, Nance, Polk and 1 more	46 min
Jun 26, 5:10 AM CDT	Areal Flood Advisory	GID	Howard, Merrick, Nance, Polk	3 hr
Jun 26, 5:25 AM CDT	Severe Thunderstorm Warning	GID	Fillmore, Polk, York	50 min
Jun 26, 5:26 AM CDT	Severe Thunderstorm Warning	GID	Merrick, Nance, Polk	49 min
Jun 26, 5:37 AM CDT	Severe Thunderstorm Warning	GID	Greeley, Howard, Merrick, Nance	38 min
Jun 26, 6:12 AM CDT	Special Weather Statement	GID	Polk, York	48 min
Jun 26, 6:16 AM CDT	Special Weather Statement	GID	Nance	44 min
Jun 26, 7:21 AM CDT	Special Weather Statement	GID	Polk	24 min
Jun 26, 7:30 AM CDT	Severe Thunderstorm Warning	GID	Polk, York	15 min
Jun 26, 7:38 AM CDT	Special Weather Statement	GID	Fillmore	37 min
Jun 26, 8:16 AM CDT	Areal Flood Warning	GID	Hamilton, Merrick, Nance, Polk, York	12 hr
Jun 26, 11:49 AM CDT	River Flood Warning	GID	Clay, Nuckolls	9 hr
Jun 25, 8:12 PM CDT	Severe Thunderstorm Warning	GID	Jewell	33 min
Jun 25, 8:22 PM CDT	Special Weather Statement	GID	Jewell	23 min
Jun 25, 8:38 PM CDT	Severe Thunderstorm Warning	GID	Mitchell	22 min
Jun 25, 8:44 PM CDT	Special Weather Statement	GID	Jewell	16 min
Jun 25, 9:01 PM CDT	Severe Thunderstorm Warning	GID	Jewell, Mitchell	29 min
Jun 25, 11:34 PM CDT	Special Weather Statement	GID	Rooks	26 min

Nearby

Flash Flood Warnings in Nebraska, 2019 Every flash flood warning in 2019

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.