Alert archive / Wyoming / Red Flag Warnings in 2018

Red Flag Warning 11, NWS Riverton, WY

August 18, 20184 counties in Wyoming

NWS Riverton, WY issued this red flag warning at Aug 18, 2018, 10:42 AM MDT for 4 counties in Wyoming. It took effect at Aug 18, 2018, 1:00 PM MDT. It was in force for 7 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: Aug 18, 2018, 10:42 AM MDT (16:42 UTC)
In effect from: Aug 18, 2018, 1:00 PM MDT
Expired: Aug 18, 2018, 8:00 PM MDT
In force: 7 hr
Issued by: NWS Riverton, WY

Counties Lincoln County, WY, Sublette County, WY, Sweetwater County, WY, Uinta County, WY

The radar

The Riverton/Lander radar (KRIW), 172 km from the middle of the area, began a volume at 16:42 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.

What forecasters said that day

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

NWS Riverton, WY wrote its last area forecast discussion before this red flag warning went out at Aug 18, 1:55 AM MDT, 8 hours 47 minutes earlier.

Area forecast discussion, Aug 18, 1:55 AM MDT, 8 hours 47 minutes before

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Hazardous weather outlook, Aug 18, 2:04 AM MDT, 8 hours 38 minutes before

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<head>
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  <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.
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In the hours before

Special weather statement, Aug 18, 10:30 AM MDT, 12 minutes before

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<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>
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</body>
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The office that day

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

Issued	Product	Office	Counties	Lasted
Aug 18, 10:30 AM MDT	Special Weather Statement	RIW	Johnson	30 min
Aug 18, 12:28 PM MDT	Special Weather Statement	RIW	Teton	32 min
Aug 18, 12:30 PM MDT	Special Weather Statement	RIW	Hot Springs	30 min
Aug 18, 1:31 PM MDT	Special Weather Statement	RIW		29 min
Aug 18, 1:57 PM MDT	Special Weather Statement	RIW	Fremont	33 min
Aug 18, 1:59 PM MDT	Special Weather Statement	RIW	Fremont	31 min
Aug 18, 2:10 PM MDT	Severe Thunderstorm Warning	RIW	Fremont	50 min
Aug 18, 2:19 PM MDT	Special Weather Statement	RIW		26 min
Aug 18, 2:36 PM MDT	Special Weather Statement	RIW	Sweetwater	24 min
Aug 18, 3:04 PM MDT	Special Weather Statement	RIW	Fremont	26 min
Aug 18, 3:10 PM MDT	Special Weather Statement	RIW	Hot Springs	35 min
Aug 18, 3:32 PM MDT	Severe Thunderstorm Warning	RIW	Hot Springs	28 min
Aug 18, 3:34 PM MDT	Special Weather Statement	RIW	Fremont	26 min
Aug 18, 3:36 PM MDT	Special Weather Statement	RIW	Fremont	24 min
Aug 18, 3:51 PM MDT	Special Weather Statement	RIW		24 min
Aug 18, 3:51 PM MDT	Severe Thunderstorm Warning	RIW	Hot Springs	24 min
Aug 18, 3:52 PM MDT	Severe Thunderstorm Warning	RIW	Fremont	38 min
Aug 18, 4:12 PM MDT	Severe Thunderstorm Warning	RIW	Hot Springs	33 min
Aug 18, 4:16 PM MDT	Special Weather Statement	RIW		29 min
Aug 18, 4:51 PM MDT	Special Weather Statement	RIW		24 min
Aug 18, 5:07 PM MDT	Special Weather Statement	RIW	Washakie	23 min
Aug 18, 5:09 PM MDT	Special Weather Statement	RIW	Natrona	36 min
Aug 18, 5:49 PM MDT	Special Weather Statement	RIW	Natrona	26 min

Nearby

Red Flag Warnings in Wyoming, 2018 Every red flag warning in 2018

Sources

The product and its follow-ups from the Iowa Environmental Mesonet's archive of National Weather Service and Storm Prediction Center text; radar from the NEXRAD Level II archive.