Alert archive / Wyoming / Special Weather Statements in 2021

Special Weather Statement, NWS Riverton, WY

August 21, 2021Natrona County, Wyoming

NWS Riverton, WY issued this special weather statement at Aug 21, 2021, 11:42 PM MDT for Natrona County, Wyoming. It was in force for 33 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
Aug 21, 2021, 11:42 PM MDT (05:42 UTC)
Expired
Aug 22, 2021, 12:15 AM MDT
In force
33 min
Issued by
NWS Riverton, WY
Hail
0.00 in
Wind
50

County Natrona County, WY

The radar

The Riverton/Lander radar (KRIW), 133 km from the middle of the area, began a volume at 05:45 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 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 Riverton, WY wrote its last area forecast discussion before this special weather statement went out at Aug 21, 10:50 PM MDT, 52 minutes earlier.

Area forecast discussion, Aug 21, 10:50 PM MDT, 52 minutes before
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      <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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Hazardous weather outlook, Aug 21, 6:00 PM MDT, 5 hours 42 minutes before
Hazardous Weather Outlook
National Weather Service Riverton WY
600 PM MDT Sat Aug 21 2021

WYZ001>020-022>030-221300-
Yellowstone National Park-Absaroka Mountains-Cody Foothills-
North Big Horn Basin-Southwest Big Horn Basin-
Southeast Big Horn Basin-Owl Creek and Bridger Mountains-
Bighorn Mountains West-Bighorn Mountains Southeast-
Northeast Johnson County-Southeast Johnson County-
Teton and Gros Ventre Mountains-Jackson Hole-
Wind River Mountains West-Wind River Mountains East-
Upper Wind River Basin-Wind River Basin-Lander Foothills-
Green Mountains and Rattlesnake Range-
Natrona County Lower Elevations-Casper Mountain-Star Valley-
Salt River and Wyoming Ranges-Upper Green River Basin Foothills-
Upper Green River Basin-South Lincoln County-
Rock Springs and Green River-Flaming Gorge-East Sweetwater County-
600 PM MDT Sat Aug 21 2021

This Hazardous Weather Outlook is for Western and Central
Wyoming.

.DAY ONE...Tonight

Showers and thunderstorms will continue off-and-on Saturday
evening and into the early morning hours Sunday. Some of the
stronger thunderstorms could produce small hail and gusty outflow
wind of 35 to 45 mph.

.DAYS THREE THROUGH SEVEN...Sunday through Friday

Sunday and Monday...Elevated fire weather conditions each
afternoon mainly over southern Lincoln, Sweetwater, southeast
Fremont and Natrona counties.

.SPOTTER INFORMATION STATEMENT...

Weather spotters are encouraged to report significant weather
conditions according to standard operating procedures.

In the hours before

Special weather statement, Aug 21, 10:30 PM MDT, 1 hour 12 minutes before
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      <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, Aug 21, 10:36 PM MDT, 1 hour 6 minutes before
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<head>
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</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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Local storm report, Aug 21, 10:51 PM MDT, 51 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, Aug 21, 10:59 PM MDT, 43 minutes before
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<body>
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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.
      </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, Aug 21, 11:03 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.
      </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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Special weather statement, Aug 21, 11:42 PM MDT, 0 minutes before
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</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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The office that day

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

IssuedProductOfficeCountiesLasted
Aug 21, 7:14 PM MDTSpecial Weather StatementRIWLincoln31 min
Aug 21, 7:45 PM MDTSpecial Weather StatementRIWLincoln30 min
Aug 21, 8:24 PM MDTSpecial Weather StatementRIW36 min
Aug 21, 8:51 PM MDTSpecial Weather StatementRIW24 min
Aug 21, 9:11 PM MDTSevere Thunderstorm WarningRIWSublette, Sweetwater34 min
Aug 21, 9:42 PM MDTSpecial Weather StatementRIW33 min
Aug 21, 10:06 PM MDTSpecial Weather StatementRIWFremont24 min
Aug 21, 10:30 PM MDTSpecial Weather StatementRIWFremont30 min
Aug 21, 10:36 PM MDTSpecial Weather StatementRIWHot Springs24 min
Aug 21, 10:59 PM MDTSpecial Weather StatementRIWWashakie31 min
Aug 21, 11:03 PM MDTSpecial Weather StatementRIW27 min
Aug 22, 12:38 PM MDTRed Flag WarningRIWFremont, Hot Springs, Johnson, Natrona, Sweetwater, Washakie31 hr

Nearby

Special Weather Statements in Wyoming, 2021Every special weather statement in 2021

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.