Alert archive / Utah / Flash Flood Warnings in 2026

Flash Flood Warning 133, NWS Salt Lake City, UT

September 16, 2026Kane County, Utah

NWS Salt Lake City, UT issued this flash flood warning at Sep 16, 2026, 3:28 PM MDT for Kane County, Utah. 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 16, 2026, 3:28 PM MDT (21:28 UTC)
Expired
Sep 16, 2026, 5:45 PM MDT
In force
2 hr
Issued by
NWS Salt Lake City, UT
Area
Storm-based polygon
Damage threat
Considerable
Flood severity
None

County Kane County, UT

The radar

The Cedar City radar (KICX), 92 km from the middle of the area, began a volume at 21:30 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

Las Vegas, NV (KVEF), launched 12:00Z, 9.5 hours before the alert went out and 340 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-pSkew-T log-p diagram, Las Vegas, NV at 12:00Z on 2026-09-16Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 0 joules per kilogram.LCL10008507005003002001001 km2 km3 km6 km9 km12 km15 km-30°-20°-10°0°10°20°30°40°
Temperature in red, dew point in green, the mixed-layer parcel dashed.
HodographHodograph, Las Vegas, NV at 12:00Z on 2026-09-16The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 132 square meters per square second.193958Sfc1 km3 km6 km9 kmRMLM
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
2450 m above ground
0-6 km bulk shear
41 kt
0-1 km storm-relative helicity
132 m²/s²
0-3 km storm-relative helicity
157 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 flash flood 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 flash flood warning went out at Sep 16, 2:31 PM MDT, 57 minutes earlier.

Area forecast discussion, Sep 16, 2:31 PM MDT, 57 minutes before
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In the hours before

Special weather statement, Sep 16, 1:40 PM MDT, 1 hour 48 minutes before
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Special weather statement, Sep 16, 2:32 PM MDT, 56 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.
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      <p id="message2">
        Please try again in a few minutes.
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      <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 16, 2:45 PM MDT, 43 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.
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      <p id="message2">
        Please try again in a few minutes.
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Special weather statement, Sep 16, 2:49 PM MDT, 39 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.
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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, Sep 16, 3:04 PM 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>
    </section>
  </main>
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Special weather statement, Sep 16, 3:09 PM MDT, 19 minutes before
<!doctype html>
<html lang="en">
<head>
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  <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>
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The office that day

Everything else NWS Salt Lake City, UT issued on the same UTC day.

IssuedProductOfficeCountiesLasted
Sep 15, 11:41 PM MDTSpecial Weather StatementSLCJuab49 min
Sep 16, 2:10 AM MDTSpecial Weather StatementSLCUtah50 min
Sep 16, 4:17 AM MDTSpecial Weather StatementSLCCarbon43 min
Sep 16, 7:12 AM MDTSevere Thunderstorm WarningSLCGarfield, Wayne48 min
Sep 16, 7:21 AM MDTSpecial Weather StatementSLCWasatch39 min
Sep 16, 7:29 AM MDTFlash Flood Warning Considerable damage threatSLCGarfield3 hr
Sep 16, 7:38 AM MDTSpecial Weather StatementSLCGarfield37 min
Sep 16, 10:11 AM MDTFlash Flood Warning Considerable damage threatSLCGarfield, Kane6 hr
Sep 16, 11:04 AM MDTSpecial Weather StatementSLC41 min
Sep 16, 12:01 PM MDTFlash Flood Warning Considerable damage threatSLCSan Juan3 hr
Sep 16, 12:08 PM MDTSpecial Weather StatementSLC52 min
Sep 16, 12:34 PM MDTFlash Flood Warning Considerable damage threatSLCSan Juan2 hr
Sep 16, 1:40 PM MDTSpecial Weather StatementSLC50 min
Sep 16, 1:48 PM MDTFlash Flood Warning Considerable damage threatSLCEmery3 hr
Sep 16, 2:29 PM MDTSevere Thunderstorm WarningSLCCarbon, Emery46 min
Sep 16, 2:32 PM MDTSpecial Weather StatementSLCCache43 min
Sep 16, 2:36 PM MDTAreal Flood WarningSLCCarbon, Emery3 hr
Sep 16, 2:39 PM MDTFlash Flood Warning Considerable damage threatSLCKane3 hr
Sep 16, 2:45 PM MDTSpecial Weather StatementSLCGarfield45 min
Sep 16, 2:49 PM MDTSpecial Weather StatementSLCCarbon41 min
Sep 16, 3:03 PM MDTSevere Thunderstorm WarningSLCGarfield, Kane42 min
Sep 16, 3:04 PM MDTSpecial Weather StatementSLCRich41 min
Sep 16, 3:09 PM MDTSpecial Weather StatementSLCCarbon51 min
Sep 16, 3:15 PM MDTFlash Flood Warning Considerable damage threatSLCWayne3 hr
Sep 16, 3:38 PM MDTFlash Flood Warning Considerable damage threatSLCKane4 hr
Sep 16, 3:52 PM MDTSevere Thunderstorm WarningSLCCarbon, Emery38 min
Sep 16, 4:02 PM MDTSpecial Weather StatementSLCWasatch43 min
Sep 16, 4:27 PM MDTSpecial Weather StatementSLCCarbon48 min
Sep 16, 4:43 PM MDTSpecial Weather StatementSLC32 min

Nearby

Flash Flood Warnings in Utah, 2026Every flash flood 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.