Alert archive / Utah / Severe Thunderstorm Warnings in 2026

Severe Thunderstorm Warning 93, NWS Salt Lake City, UT

August 29, 20264 counties in Utah

NWS Salt Lake City, UT issued this severe thunderstorm warning at Aug 29, 2026, 10:36 AM MDT for 4 counties in Utah. It was in force for 39 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: Aug 29, 2026, 10:36 AM MDT (16:36 UTC)
Expired: Aug 29, 2026, 11:15 AM MDT
In force: 39 min
Issued by: NWS Salt Lake City, UT
Area: Storm-based polygon
Hail: 1.0 in
Wind: 60.0 mph

Counties Davis County, UT, Salt Lake County, UT, Tooele County, UT, Utah County, UT

The radar

The Salt Lake City radar (KMTX), 81 km from the middle of the area, began a volume at 16:37 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

Salt Lake City I, UT (KSLC), launched 12:00Z, 4.6 hours before the alert went out and 36 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: 139 J/kg
Mixed-layer CIN: -104 J/kg
Mixed-layer LCL: 1293 m above ground
0-6 km bulk shear: 40 kt
0-1 km storm-relative helicity: 59 m²/s²
0-3 km storm-relative helicity: 60 m²/s²
Significant tornado parameter: 0.0
Supercell composite: 0.8

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 Salt Lake City, UT wrote its last area forecast discussion before this severe thunderstorm warning went out at Aug 29, 7:25 AM MDT, 3 hours 11 minutes earlier.

Area forecast discussion, Aug 29, 7:25 AM MDT, 3 hours 11 minutes before

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In the hours before

Special weather statement, Aug 29, 8:25 AM MDT, 2 hours 11 minutes before

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Special weather statement, Aug 29, 8:30 AM MDT, 2 hours 6 minutes before

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    <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.
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        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, Aug 29, 9:10 AM MDT, 1 hour 26 minutes before

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<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.
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Local storm report, Aug 29, 9:52 AM MDT, 44 minutes before

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<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.
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Local storm report, Aug 29, 10:12 AM MDT, 24 minutes before

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<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>
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Local storm report, Aug 29, 10:17 AM MDT, 19 minutes before

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<html lang="en">
<head>
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  <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
Aug 28, 6:16 PM MDT	Special Weather Statement	SLC	Box Elder	44 min
Aug 28, 6:24 PM MDT	Special Weather Statement	SLC	Sanpete	36 min
Aug 28, 6:40 PM MDT	Special Weather Statement	SLC	Cache, Davis, Weber	50 min
Aug 28, 7:14 PM MDT	Special Weather Statement	SLC	Rich	46 min
Aug 28, 11:46 PM MDT	Areal Flood Advisory	SLC	Davis	37 min
Aug 29, 8:25 AM MDT	Special Weather Statement	SLC		50 min
Aug 29, 8:30 AM MDT	Special Weather Statement	SLC	Tooele	45 min
Aug 29, 9:10 AM MDT	Special Weather Statement	SLC	Tooele	50 min
Aug 29, 9:51 AM MDT	Severe Thunderstorm Warning	SLC	Tooele	24 min
Aug 29, 10:10 AM MDT	Severe Thunderstorm Warning	SLC	Tooele	35 min
Aug 29, 11:12 AM MDT	Special Weather Statement	SLC	Morgan, Salt Lake, Weber	48 min
Aug 29, 11:45 AM MDT	Special Weather Statement	SLC	Summit	45 min
Aug 29, 12:07 PM MDT	Special Weather Statement	SLC	Millard	53 min
Aug 29, 12:16 PM MDT	Special Weather Statement	SLC	Sanpete	44 min
Aug 29, 12:40 PM MDT	Areal Flood Advisory	SLC	Garfield, Piute	2 hr
Aug 29, 12:56 PM MDT	Special Weather Statement	SLC	Millard	49 min
Aug 29, 1:03 PM MDT	Special Weather Statement	SLC	Piute	42 min
Aug 29, 1:05 PM MDT	Severe Thunderstorm Warning	SLC	Millard	40 min
Aug 29, 1:08 PM MDT	Special Weather Statement	SLC	Sanpete	52 min
Aug 29, 1:30 PM MDT	Special Weather Statement	SLC	Carbon	45 min
Aug 29, 1:37 PM MDT	Flash Flood Warning Considerable damage threat	SLC	Emery, Wayne	3 hr
Aug 29, 1:42 PM MDT	Special Weather Statement	SLC	Sevier	48 min
Aug 29, 2:05 PM MDT	Special Weather Statement	SLC	Salt Lake	25 min
Aug 29, 2:13 PM MDT	Special Weather Statement	SLC		47 min
Aug 29, 2:16 PM MDT	Special Weather Statement	SLC	Emery	44 min
Aug 29, 2:25 PM MDT	Special Weather Statement	SLC	Sanpete	35 min
Aug 29, 2:29 PM MDT	Severe Thunderstorm Warning	SLC	Carbon, Emery	46 min
Aug 29, 2:35 PM MDT	Special Weather Statement	SLC	Kane	25 min
Aug 29, 2:45 PM MDT	Special Weather Statement	SLC	Sanpete	30 min
Aug 29, 2:55 PM MDT	Areal Flood Warning	SLC	Carbon, Emery, Sanpete	7 hr
Aug 29, 3:02 PM MDT	Areal Flood Advisory	SLC	Sanpete, Sevier	3 hr
Aug 29, 3:11 PM MDT	Special Weather Statement	SLC	Carbon	49 min
Aug 29, 3:13 PM MDT	Special Weather Statement	SLC	Kane	32 min
Aug 29, 3:16 PM MDT	Special Weather Statement	SLC	Emery	44 min
Aug 29, 3:19 PM MDT	Flood Watch	SLC	Beaver, Carbon, Duchesne, Emery, Garfield, Iron and 11 more	54 hr
Aug 29, 3:34 PM MDT	Special Weather Statement	SLC	Juab	41 min
Aug 29, 3:40 PM MDT	Special Weather Statement	SLC	Kane	35 min
Aug 29, 3:41 PM MDT	Special Weather Statement	SLC	Millard	34 min
Aug 29, 3:43 PM MDT	Flash Flood Warning Considerable damage threat	SLC	Kane	7 hr
Aug 29, 3:49 PM MDT	Severe Thunderstorm Warning	SLC	Kane	41 min
Aug 29, 3:49 PM MDT	Severe Thunderstorm Warning	SLC	Juab, Millard	26 min
Aug 29, 4:12 PM MDT	Flash Flood Warning Considerable damage threat	SLC	Kane	7 hr
Aug 29, 4:15 PM MDT	Severe Thunderstorm Warning	SLC	Juab, Millard	45 min
Aug 29, 4:23 PM MDT	Severe Thunderstorm Warning	SLC	Kane, San Juan	37 min
Aug 29, 4:28 PM MDT	Special Weather Statement	SLC		47 min
Aug 29, 4:35 PM MDT	Flash Flood Warning Considerable damage threat	SLC	Emery, Wayne	3 hr
Aug 29, 4:44 PM MDT	Severe Thunderstorm Warning	SLC	Juab, Millard	46 min
Aug 29, 4:56 PM MDT	Severe Thunderstorm Warning Considerable damage threat	SLC	Kane, San Juan	34 min
Aug 29, 5:01 PM MDT	Special Weather Statement	SLC	Utah	44 min
Aug 29, 5:08 PM MDT	Special Weather Statement	SLC		52 min
Aug 29, 5:12 PM MDT	Flash Flood Warning Considerable damage threat	SLC	Kane, San Juan	5 hr
Aug 29, 5:21 PM MDT	Special Weather Statement	SLC	Sanpete	39 min
Aug 29, 5:23 PM MDT	Severe Thunderstorm Warning	SLC	Kane, San Juan	37 min
Aug 29, 5:35 PM MDT	Special Weather Statement	SLC	Tooele	40 min
Aug 29, 5:52 PM MDT	Flash Flood Warning Considerable damage threat	SLC	Kane, San Juan	3 hr
Aug 29, 5:52 PM MDT	Special Weather Statement	SLC		38 min

Nearby

Severe Thunderstorm Warnings in Utah, 2026 Every severe thunderstorm warning in 2026

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.