Alert archive / Nevada / Areal Flood Advisories in 2021

Areal Flood Advisory 13, NWS Elko, NV

July 2, 2021Elko County, Nevada

NWS Elko, NV issued this areal flood advisory at Jul 2, 2021, 3:43 PM PDT for Elko County, Nevada. It was in force for 3 hr.

The area

The counties it named.

The facts

Issued: Jul 2, 2021, 3:43 PM PDT (22:43 UTC)
Expired: Jul 2, 2021, 6:45 PM PDT
In force: 3 hr
Issued by: NWS Elko, NV
Area: Storm-based polygon

County Elko County, NV

The radar

The Elko radar (KLRX), 129 km from the middle of the area, began a volume at 22:44 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

Elko, NV (KLKN), launched 12:00Z, 10.7 hours before the alert went out and 102 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: 0 J/kg
Mixed-layer CIN: No buoyant parcel
Mixed-layer LCL: 1817 m above ground
0-6 km bulk shear: 6 kt
0-1 km storm-relative helicity: 83 m²/s²
0-3 km storm-relative helicity: 47 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 advisory went out, as it sent them, from the Iowa Environmental Mesonet's archive of National Weather Service text.

NWS Elko, NV wrote its last area forecast discussion before this areal flood advisory went out at Jul 2, 2:29 PM PDT, 1 hour 14 minutes earlier.

Area forecast discussion, Jul 2, 2:29 PM PDT, 1 hour 14 minutes before

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In the hours before

Special weather statement, Jul 2, 11:50 AM PDT, 3 hours 53 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>
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Special weather statement, Jul 2, 3:40 PM PDT, 3 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 Elko, NV issued on the same UTC day.

Issued	Product	Office	Counties	Lasted
Jul 2, 12:41 PM PDT	Areal Flood Advisory	LKN	Elko, Humboldt	3 hr
Jul 2, 2:12 PM PDT	Areal Flood Advisory	LKN	Elko	3 hr
Jul 2, 2:52 PM PDT	Areal Flood Advisory	LKN	Elko	3 hr
Jul 2, 3:40 PM PDT	Special Weather Statement	LKN		35 min

Nearby

Areal Flood Advisories in Nevada, 2021 Every areal flood advisory 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.