Alert archive / Wyoming / Special Weather Statements in 2019

Special Weather Statement, NWS Cheyenne, WY

June 15, 2019Carbon County, Wyoming

NWS Cheyenne, WY issued this special weather statement at Jun 15, 2019, 1:25 PM MDT for Carbon County, Wyoming. It was in force for 50 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 15, 2019, 1:25 PM MDT (19:25 UTC)
Expired
Jun 15, 2019, 2:15 PM MDT
In force
50 min
Issued by
NWS Cheyenne, WY

County Carbon County, WY

The radar

The Cheyenne radar (KCYS), 179 km from the middle of the area, began a volume at 19:27 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

Denver, CO (KDNR), launched 12:00Z, 7.4 hours before the alert went out and 349 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, Denver, CO at 12:00Z on 2019-06-15Temperature 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 km-30°-20°-10°0°10°20°30°40°
Temperature in red, dew point in green, the mixed-layer parcel dashed.
HodographHodograph, Denver, CO at 12:00Z on 2019-06-15The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity -24 square meters per square second.1939Sfc1 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
2105 m above ground
0-6 km bulk shear
29 kt
0-1 km storm-relative helicity
-24 m²/s²
0-3 km storm-relative helicity
33 m²/s²
Significant tornado parameter
0.0
Supercell composite
0.0

Open this sounding in Storm Lab

The text

As transmitted.

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What forecasters said that day

The local office's own words before this special weather statement went out, as it sent them, from the Iowa Environmental Mesonet's archive of National Weather Service text.

NWS Cheyenne, WY wrote its last area forecast discussion before this special weather statement went out at Jun 15, 11:36 AM MDT, 1 hour 49 minutes earlier.

Area forecast discussion, Jun 15, 11:36 AM MDT, 1 hour 49 minutes before
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Hazardous weather outlook, Jun 15, 4:50 AM MDT, 8 hours 35 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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        Please try again in a few minutes.
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In the hours before

Special weather statement, Jun 15, 1:23 PM MDT, 2 minutes before
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      <h1 id="headline">This service is currently unavailable.</h1>
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        The site you requested is temporarily down for maintenance or an unexpected outage.
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        Please try again in a few minutes.
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Special weather statement, Jun 15, 1:25 PM MDT, 0 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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        If you are an administrator, restore upstream service and remove the redirect/fallback rule when normal operations resume.
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The office that day

Everything else NWS Cheyenne, WY issued on the same UTC day.

IssuedProductOfficeCountiesLasted
Jun 15, 1:23 PM MDTSpecial Weather StatementCYSPlatte52 min
Jun 15, 2:30 PM MDTSpecial Weather StatementCYSLaramie45 min
Jun 15, 2:56 PM MDTSpecial Weather StatementCYSLaramie49 min
Jun 15, 3:04 PM MDTAreal Flood AdvisoryCYSLaramie3 hr
Jun 15, 3:22 PM MDTSpecial Weather StatementCYSLaramie38 min
Jun 15, 3:39 PM MDTSpecial Weather StatementCYSAlbany51 min
Jun 15, 4:31 PM MDTSpecial Weather StatementCYSLaramie44 min
Jun 15, 4:33 PM MDTSpecial Weather StatementCYSLaramie42 min
Jun 15, 5:13 PM MDTSpecial Weather StatementCYSLaramie47 min
Jun 15, 5:36 PM MDTSpecial Weather StatementCYSCarbon39 min
Jun 14, 7:27 PM MDTSpecial Weather StatementCYSBox Butte33 min
Jun 14, 7:28 PM MDTSpecial Weather StatementCYSScotts Bluff32 min
Jun 14, 8:10 PM MDTSpecial Weather StatementCYSMorrill35 min
Jun 14, 8:40 PM MDTFlash Flood WarningCYSBox Butte, Morrill81 min

Nearby

Special Weather Statements in Wyoming, 2019Every special weather statement in 2019

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.