Alert archive / Nevada / Flash Flood Warnings in 2022

Flash Flood Warning 17, NWS Elko, NV

September 15, 2022Elko County, Nevada

NWS Elko, NV issued this flash flood warning at Sep 15, 2022, 1:28 PM PDT for Elko County, Nevada. It was in force for 2 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: Sep 15, 2022, 1:28 PM PDT (20:28 UTC)
Expired: Sep 15, 2022, 3:30 PM PDT
In force: 2 hr
Issued by: NWS Elko, NV
Area: Storm-based polygon
Flood severity: None

County Elko County, NV

The radar

The Elko radar (KLRX), 129 km from the middle of the area, began a volume at 20:28 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

Boise Airport, ID (KBOI), launched 12:00Z, 8.5 hours before the alert went out and 278 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: 96 J/kg
Mixed-layer CIN: -119 J/kg
Mixed-layer LCL: 1872 m above ground
0-6 km bulk shear: 20 kt
0-1 km storm-relative helicity: 78 m²/s²
0-3 km storm-relative helicity: 115 m²/s²
Significant tornado parameter: 0.0
Supercell composite: 0.2

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 Elko, NV wrote its last area forecast discussion before this flash flood warning went out at Sep 15, 3:01 AM PDT, 10 hours 27 minutes earlier.

Area forecast discussion, Sep 15, 3:01 AM PDT, 10 hours 27 minutes before

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In the hours before

Special weather statement, Sep 15, 12:49 PM PDT, 39 minutes before

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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.
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      <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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Special weather statement, Sep 15, 12:53 PM PDT, 35 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, Sep 15, 1:13 PM PDT, 15 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
Sep 14, 5:04 PM PDT	Areal Flood Advisory	LKN	Lander	4 hr
Sep 14, 5:10 PM PDT	Special Weather Statement	LKN		35 min
Sep 14, 5:15 PM PDT	Special Weather Statement	LKN	Lander	30 min
Sep 14, 5:33 PM PDT	Special Weather Statement	LKN		27 min
Sep 14, 5:36 PM PDT	Areal Flood Advisory	LKN	Lander, Nye	3 hr
Sep 14, 5:38 PM PDT	Areal Flood Advisory	LKN	Nye	3 hr
Sep 14, 5:51 PM PDT	Flash Flood Warning	LKN	Elko	3 hr
Sep 14, 6:09 PM PDT	Flash Flood Warning	LKN	Elko, Eureka	3 hr
Sep 14, 6:33 PM PDT	Areal Flood Advisory	LKN	Elko	3 hr
Sep 14, 7:02 PM PDT	Areal Flood Advisory	LKN	Elko	3 hr
Sep 14, 7:27 PM PDT	Flash Flood Warning	LKN	Elko	2 hr
Sep 14, 8:01 PM PDT	Flash Flood Warning	LKN	Nye	52 min
Sep 14, 9:02 PM PDT	Areal Flood Advisory	LKN	Nye	3 hr
Sep 15, 12:49 PM PDT	Special Weather Statement	LKN	Humboldt	26 min
Sep 15, 12:53 PM PDT	Special Weather Statement	LKN		37 min
Sep 15, 1:13 PM PDT	Special Weather Statement	LKN		32 min
Sep 15, 1:16 PM PDT	Areal Flood Advisory	LKN	Elko	2 hr
Sep 15, 1:31 PM PDT	Special Weather Statement	LKN		29 min
Sep 15, 1:36 PM PDT	Special Weather Statement	LKN		39 min
Sep 15, 1:56 PM PDT	Special Weather Statement	LKN		49 min
Sep 15, 2:08 PM PDT	Special Weather Statement	LKN		52 min
Sep 15, 2:15 PM PDT	Special Weather Statement	LKN		45 min
Sep 15, 3:12 PM PDT	Special Weather Statement	LKN		48 min
Sep 15, 4:39 PM PDT	Special Weather Statement	LKN	Eureka	36 min

Nearby

Flash Flood Warnings in Nevada, 2022 Every flash flood warning in 2022

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.