Alert archive / Utah / Special Weather Statements in 2021

Special Weather Statement, NWS Salt Lake City, UT

June 24, 2021Salt Lake County, Utah

NWS Salt Lake City, UT issued this special weather statement at Jun 24, 2021, 1:35 PM MDT for Salt Lake County, Utah. It was in force for 25 min. No storm report in the archive falls inside the area while it was in force.

The area

The outline as issued.

The facts

Issued: Jun 24, 2021, 1:35 PM MDT (19:35 UTC)
Expired: Jun 24, 2021, 2:00 PM MDT
In force: 25 min
Issued by: NWS Salt Lake City, UT

County Salt Lake County, UT

The radar

The Salt Lake City radar (KMTX), 88 km from the middle of the area, began a volume at 19:36 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, 7.6 hours before the alert went out and 189 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: 2422 m above ground
0-6 km bulk shear: 9 kt
0-1 km storm-relative helicity: -5 m²/s²
0-3 km storm-relative helicity: -35 m²/s²
Significant tornado parameter: 0.0
Supercell composite: 0.0

Open this sounding in Storm Lab

The text

As transmitted.

<!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 Salt Lake City, UT issued on the same UTC day.

Issued	Product	Office	Counties	Lasted
Jun 24, 12:16 AM MDT	Red Flag Warning	SLC	Beaver, Box Elder, Davis, Iron, Juab, Millard and 5 more	21 hr
Jun 24, 11:57 AM MDT	Special Weather Statement	SLC	Juab	48 min
Jun 24, 12:12 PM MDT	Special Weather Statement	SLC	Tooele	48 min
Jun 24, 12:38 PM MDT	Special Weather Statement	SLC		37 min
Jun 24, 1:22 PM MDT	Severe Thunderstorm Warning	SLC	Tooele, Utah	23 min
Jun 24, 2:27 PM MDT	Special Weather Statement	SLC	Utah	48 min
Jun 24, 2:36 PM MDT	Areal Flood Advisory	SLC	Salt Lake, Tooele, Utah	69 min

Nearby

Special Weather Statements in Utah, 2021 Every special weather statement 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.