Alert archive / Wyoming / Severe Thunderstorm Warnings in 2013

Severe Thunderstorm Warning 30, NWS Riverton, WY

June 13, 2013Big Horn County, Wyoming

NWS Riverton, WY issued this severe thunderstorm warning at Jun 13, 2013, 2:01 PM MDT for Big Horn County, Wyoming. It was in force for 44 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 13, 2013, 2:01 PM MDT (20:01 UTC)
Expired: Jun 13, 2013, 2:45 PM MDT
In force: 44 min
Issued by: NWS Riverton, WY
Area: Storm-based polygon
Tornado: Possible
Hail: 1.0 in
Wind: 60.0 mph

County Big Horn County, WY

The radar

The Billings radar (KBLX), 155 km from the middle of the area, began a volume at 20:01 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
Jun 13, 1:06 PM MDT	Severe Thunderstorm Watch	SPC	12 hr

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 Riverton, WY wrote its last area forecast discussion before this severe thunderstorm warning went out at Jun 12, 4:31 PM MDT, 21 hours 30 minutes earlier.

Area forecast discussion, Jun 12, 4:31 PM MDT, 21 hours 30 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 12, 6:06 PM MDT	Severe Thunderstorm Warning	RIW	Hot Springs, Park	39 min
Jun 12, 6:31 PM MDT	Special Weather Statement	RIW	Teton	44 min
Jun 12, 6:33 PM MDT	Severe Thunderstorm Warning	RIW	Johnson	27 min
Jun 12, 6:39 PM MDT	Special Weather Statement	RIW	Hot Springs	36 min
Jun 12, 6:49 PM MDT	Special Weather Statement	RIW	Sheridan	56 min
Jun 12, 7:08 PM MDT	Special Weather Statement	RIW	Johnson	52 min
Jun 12, 7:15 PM MDT	Severe Thunderstorm Warning	RIW	Johnson	30 min
Jun 12, 7:16 PM MDT	Special Weather Statement	RIW	Park	44 min
Jun 12, 7:22 PM MDT	Flash Flood Watch	RIW	Johnson, Natrona, Washakie	6 hr
Jun 12, 7:28 PM MDT	Special Weather Statement	RIW	Big Horn	47 min
Jun 12, 7:44 PM MDT	Severe Thunderstorm Warning	RIW	Johnson	46 min
Jun 12, 8:09 PM MDT	Special Weather Statement	RIW	Johnson	36 min
Jun 12, 8:22 PM MDT	Severe Thunderstorm Warning	RIW	Johnson	38 min
Jun 12, 8:42 PM MDT	Flash Flood Warning	RIW	Johnson	5 hr
Jun 12, 8:59 PM MDT	Severe Thunderstorm Warning	RIW	Johnson	46 min
Jun 13, 11:32 AM MDT	Special Weather Statement	RIW		43 min
Jun 13, 11:40 AM MDT	Special Weather Statement	RIW		50 min
Jun 13, 11:45 AM MDT	Special Weather Statement	RIW	Park	45 min
Jun 13, 11:58 AM MDT	Special Weather Statement	RIW	Fremont	47 min
Jun 13, 12:09 PM MDT	Severe Thunderstorm Warning	RIW	Fremont	51 min
Jun 13, 12:21 PM MDT	Special Weather Statement	RIW	Natrona	39 min
Jun 13, 12:25 PM MDT	Special Weather Statement	RIW	Sweetwater	50 min
Jun 13, 12:35 PM MDT	Special Weather Statement	RIW	Big Horn	40 min
Jun 13, 12:37 PM MDT	Special Weather Statement	RIW	Hot Springs	38 min
Jun 13, 12:58 PM MDT	Special Weather Statement	RIW	Fremont	47 min
Jun 13, 1:15 PM MDT	Special Weather Statement	RIW	Big Horn	45 min
Jun 13, 1:16 PM MDT	Special Weather Statement	RIW	Johnson	44 min
Jun 13, 1:23 PM MDT	Special Weather Statement	RIW	Sweetwater	52 min
Jun 13, 1:25 PM MDT	Severe Thunderstorm Warning	RIW	Big Horn, Park	65 min
Jun 13, 1:32 PM MDT	Special Weather Statement	RIW		43 min
Jun 13, 1:57 PM MDT	Special Weather Statement	RIW	Fremont	48 min
Jun 13, 2:29 PM MDT	Special Weather Statement	RIW	Johnson	31 min
Jun 13, 2:31 PM MDT	Special Weather Statement	RIW	Natrona	44 min
Jun 13, 2:33 PM MDT	Special Weather Statement	RIW	Hot Springs	27 min
Jun 13, 2:57 PM MDT	Special Weather Statement	RIW	Fremont	48 min
Jun 13, 3:21 PM MDT	Special Weather Statement	RIW	Natrona	24 min
Jun 13, 3:36 PM MDT	Special Weather Statement	RIW	Natrona	39 min
Jun 13, 3:48 PM MDT	Special Weather Statement	RIW	Natrona	27 min
Jun 13, 4:06 PM MDT	Special Weather Statement	RIW	Park	39 min
Jun 13, 4:45 PM MDT	Special Weather Statement	RIW	Park	15 min
Jun 13, 4:49 PM MDT	Special Weather Statement	RIW	Park	41 min
Jun 13, 4:51 PM MDT	Special Weather Statement	RIW	Park	39 min
Jun 13, 4:53 PM MDT	Special Weather Statement	RIW	Park	52 min
Jun 13, 4:58 PM MDT	Special Weather Statement	RIW	Natrona	47 min
Jun 13, 5:35 PM MDT	Special Weather Statement	RIW	Park	25 min
Jun 13, 5:44 PM MDT	Special Weather Statement	RIW	Natrona	46 min

Nearby

Severe Thunderstorm Warnings in Wyoming, 2013 Every severe thunderstorm warning in 2013

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.