Alert archive / Wyoming / Severe Thunderstorm Warnings in 2015

Severe Thunderstorm Warning 27, NWS Riverton, WY

June 5, 2015Fremont County, Wyoming

NWS Riverton, WY issued this severe thunderstorm warning at Jun 5, 2015, 8:52 PM MDT for Fremont County, Wyoming. It was in force for 38 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: Jun 5, 2015, 8:52 PM MDT (02:52 UTC)
Expired: Jun 5, 2015, 9:30 PM MDT
In force: 38 min
Issued by: NWS Riverton, WY
Area: Storm-based polygon
Hail: 1.0 in
Wind: 60.0 mph

County Fremont County, WY

The radar

The Riverton/Lander radar (KRIW), 13 km from the middle of the area, began a volume at 02:54 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 watch it was issued in

The SPC watch in force over the same counties when this warning went out.

Issued	Product	Office	Lasted
May 4, 1:08 PM MDT	Severe Thunderstorm Watch	SPC	112 days

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.

In the hours before

Local storm report, Jun 5, 7:37 PM MDT, 1 hour 15 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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    </section>
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Special weather statement, Jun 5, 8:10 PM MDT, 42 minutes before

<!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>

Special weather statement, Jun 5, 8:16 PM MDT, 36 minutes before

<!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>

Special weather statement, Jun 5, 8:30 PM MDT, 22 minutes before

<!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>

Local storm report, Jun 5, 8:37 PM MDT, 15 minutes before

<!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>

Special weather statement, Jun 5, 8:37 PM MDT, 15 minutes before

<!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 Riverton, WY issued on the same UTC day.

Issued	Product	Office	Counties	Lasted
Jun 5, 6:02 PM MDT	Special Weather Statement	RIW	Washakie	43 min
Jun 5, 6:33 PM MDT	Severe Thunderstorm Warning	RIW	Big Horn, Washakie	42 min
Jun 5, 7:04 PM MDT	Special Weather Statement	RIW	Hot Springs	41 min
Jun 5, 7:20 PM MDT	Severe Thunderstorm Warning	RIW	Hot Springs, Park	40 min
Jun 5, 7:24 PM MDT	Flash Flood Warning	RIW	Big Horn	3 hr
Jun 5, 7:25 PM MDT	Special Weather Statement	RIW	Fremont	50 min
Jun 5, 7:34 PM MDT	Special Weather Statement	RIW	Big Horn	41 min
Jun 5, 7:46 PM MDT	Severe Thunderstorm Warning	RIW	Fremont	44 min
Jun 5, 8:10 PM MDT	Special Weather Statement	RIW	Hot Springs	50 min
Jun 5, 8:16 PM MDT	Special Weather Statement	RIW	Park	44 min
Jun 5, 8:26 PM MDT	Areal Flood Warning	RIW	Johnson	12 hr
Jun 5, 8:30 PM MDT	Special Weather Statement	RIW	Big Horn	45 min
Jun 5, 8:31 PM MDT	Areal Flood Advisory	RIW	Hot Springs, Park	3 hr
Jun 5, 8:37 PM MDT	Special Weather Statement	RIW	Fremont	53 min
Jun 5, 9:14 PM MDT	Special Weather Statement	RIW	Hot Springs	46 min
Jun 5, 9:38 PM MDT	Special Weather Statement	RIW	Big Horn	52 min
Jun 5, 9:40 PM MDT	Special Weather Statement	RIW	Fremont	50 min
Jun 5, 10:04 PM MDT	Special Weather Statement	RIW	Hot Springs	41 min
Jun 5, 11:10 PM MDT	Special Weather Statement	RIW	Big Horn	50 min
Jun 6, 12:01 AM MDT	Areal Flood Warning	RIW	Natrona	9 hr
Jun 6, 2:50 AM MDT	Flash Flood Watch	RIW	Big Horn, Fremont, Hot Springs, Johnson, Natrona, Park and 3 more	16 hr
Jun 6, 11:29 AM MDT	Special Weather Statement	RIW	Fremont	46 min
Jun 6, 12:13 PM MDT	Areal Flood Warning	RIW	Natrona	6 hr
Jun 6, 1:35 PM MDT	Special Weather Statement	RIW	Johnson	40 min
Jun 6, 2:23 PM MDT	Special Weather Statement	RIW	Johnson	37 min
Jun 6, 4:58 PM MDT	Special Weather Statement	RIW		47 min

Nearby

Severe Thunderstorm Warnings in Wyoming, 2015 Every severe thunderstorm warning in 2015

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.