Alert archive / Nevada / Severe Thunderstorm Warnings in 2025

Severe Thunderstorm Warning 4, NWS Elko, NV

September 21, 2025Elko County, Nevada

NWS Elko, NV issued this severe thunderstorm warning at Sep 21, 2025, 11:46 AM PDT for Elko County, Nevada. It was in force for 17 min. 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 21, 2025, 11:46 AM PDT (18:46 UTC)
Expired: Sep 21, 2025, 12:03 PM PDT
In force: 17 min
Issued by: NWS Elko, NV
Area: Storm-based polygon
Hail: 1.0 in
Wind: 50.0 mph

County Elko County, NV

The radar

The Elko radar (KLRX), 129 km from the middle of the area, began a volume at 18:49 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, 6.8 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: 0 J/kg
Mixed-layer CIN: No buoyant parcel
Mixed-layer LCL: 2804 m above ground
0-6 km bulk shear: 14 kt
0-1 km storm-relative helicity: 34 m²/s²
0-3 km storm-relative helicity: 53 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 severe thunderstorm 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 severe thunderstorm warning went out at Sep 21, 3:47 AM PDT, 7 hours 59 minutes earlier.

Area forecast discussion, Sep 21, 3:47 AM PDT, 7 hours 59 minutes before

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In the hours before

Special weather statement, Sep 21, 11:35 AM PDT, 11 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 21, 11:36 AM PDT, 10 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 20, 5:21 PM PDT	Special Weather Statement	LKN		24 min
Sep 20, 5:47 PM PDT	Areal Flood Advisory	LKN	Elko, White Pine	3 hr
Sep 20, 6:03 PM PDT	Special Weather Statement	LKN		27 min
Sep 20, 6:46 PM PDT	Special Weather Statement	LKN		29 min
Sep 20, 6:46 PM PDT	Special Weather Statement	LKN	Humboldt	29 min
Sep 20, 6:54 PM PDT	Severe Thunderstorm Warning	LKN	Elko, White Pine	36 min
Sep 20, 7:42 PM PDT	Special Weather Statement	LKN	Humboldt	33 min
Sep 20, 8:47 PM PDT	Special Weather Statement	LKN	Humboldt	28 min
Sep 21, 12:02 AM PDT	Areal Flood Advisory	LKN	Elko, Eureka	4 hr
Sep 21, 11:35 AM PDT	Special Weather Statement	LKN		25 min
Sep 21, 11:36 AM PDT	Special Weather Statement	LKN	Elko	24 min
Sep 21, 11:47 AM PDT	Special Weather Statement	LKN	Eureka	28 min
Sep 21, 11:52 AM PDT	Severe Thunderstorm Warning	LKN	Elko	23 min
Sep 21, 12:04 PM PDT	Special Weather Statement	LKN	Elko	26 min
Sep 21, 12:15 PM PDT	Special Weather Statement	LKN		30 min
Sep 21, 12:17 PM PDT	Special Weather Statement	LKN	Eureka	28 min
Sep 21, 12:18 PM PDT	Special Weather Statement	LKN		27 min
Sep 21, 12:22 PM PDT	Special Weather Statement	LKN		38 min
Sep 21, 12:29 PM PDT	Special Weather Statement	LKN		31 min
Sep 21, 12:38 PM PDT	Areal Flood Advisory	LKN	Elko	6 hr
Sep 21, 12:42 PM PDT	Special Weather Statement	LKN		33 min
Sep 21, 12:52 PM PDT	Special Weather Statement	LKN		23 min
Sep 21, 1:08 PM PDT	Special Weather Statement	LKN		37 min
Sep 21, 1:28 PM PDT	Special Weather Statement	LKN		32 min
Sep 21, 1:50 PM PDT	Special Weather Statement	LKN	Elko	25 min
Sep 21, 2:04 PM PDT	Special Weather Statement	LKN		26 min
Sep 21, 2:12 PM PDT	Special Weather Statement	LKN		33 min
Sep 21, 2:14 PM PDT	Special Weather Statement	LKN		31 min
Sep 21, 2:17 PM PDT	Special Weather Statement	LKN		28 min
Sep 21, 2:23 PM PDT	Special Weather Statement	LKN		37 min
Sep 21, 2:23 PM PDT	Special Weather Statement	LKN		37 min
Sep 21, 2:45 PM PDT	Special Weather Statement	LKN		30 min
Sep 21, 2:55 PM PDT	Special Weather Statement	LKN	Eureka	35 min
Sep 21, 3:01 PM PDT	Flash Flood Warning	LKN	Elko	4 hr
Sep 21, 3:05 PM PDT	Special Weather Statement	LKN		25 min
Sep 21, 3:07 PM PDT	Special Weather Statement	LKN		38 min
Sep 21, 3:11 PM PDT	Special Weather Statement	LKN		34 min
Sep 21, 3:15 PM PDT	Severe Thunderstorm Warning	LKN	Elko, Eureka	30 min
Sep 21, 3:25 PM PDT	Special Weather Statement	LKN		35 min
Sep 21, 3:25 PM PDT	Special Weather Statement	LKN		35 min
Sep 21, 3:32 PM PDT	Areal Flood Advisory	LKN	Elko	3 hr
Sep 21, 3:32 PM PDT	Special Weather Statement	LKN		28 min
Sep 21, 3:37 PM PDT	Special Weather Statement	LKN	Elko	38 min
Sep 21, 3:40 PM PDT	Special Weather Statement	LKN	Elko	35 min
Sep 21, 3:45 PM PDT	Special Weather Statement	LKN		30 min
Sep 21, 4:11 PM PDT	Special Weather Statement	LKN	Eureka	34 min
Sep 21, 4:14 PM PDT	Special Weather Statement	LKN	Eureka	31 min
Sep 21, 4:20 PM PDT	Special Weather Statement	LKN	Lander	25 min
Sep 21, 4:38 PM PDT	Special Weather Statement	LKN	Elko	37 min
Sep 21, 4:46 PM PDT	Special Weather Statement	LKN	Lander	29 min
Sep 21, 4:49 PM PDT	Special Weather Statement	LKN		26 min
Sep 21, 4:59 PM PDT	Special Weather Statement	LKN	Eureka	31 min

Nearby

Severe Thunderstorm Warnings in Nevada, 2025 Every severe thunderstorm warning in 2025

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.