Alert archive / Wyoming / Severe Thunderstorm Warnings in 2019

Severe Thunderstorm Warning 30, NWS Riverton, WY

July 3, 2019Johnson County, Wyoming

NWS Riverton, WY issued this severe thunderstorm warning at Jul 3, 2019, 8:13 PM MDT for Johnson County, Wyoming. It was in force for 32 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
Jul 3, 2019, 8:13 PM MDT (02:13 UTC)
Expired
Jul 3, 2019, 8:45 PM MDT
In force
32 min
Issued by
NWS Riverton, WY
Area
Storm-based polygon
Hail
1.0 in
Wind
60.0 mph

County Johnson County, WY

The radar

The Riverton/Lander radar (KRIW), 187 km from the middle of the area, began a volume at 02:14 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 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 Jul 3, 6:43 PM MDT, 1 hour 30 minutes earlier.

Area forecast discussion, Jul 3, 6:43 PM MDT, 1 hour 30 minutes before
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Hazardous weather outlook, Jul 3, 4:19 AM MDT, 15 hours 54 minutes before
Hazardous Weather Outlook
National Weather Service Riverton WY
419 AM MDT Wed Jul 3 2019

WYZ001>020-022>030-041200-
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-
419 AM MDT Wed Jul 3 2019

This Hazardous Weather Outlook is for Western and Central Wyoming.

.DAY ONE...Today and Tonight.

Isolated to scattered thunderstorms through this evening. A few
storms could be strong to possibly severe especially east of the
Continental Divide.

Elevated fire weather conditions across the extreme south this
afternoon.

.DAYS TWO THROUGH SEVEN...Thursday through Tuesday.

Independence Day...Scattered afternoon and evening thunderstorms
across mainly northern and northwestern Wyoming. It will be driest
across southwest Wyoming.

.SPOTTER INFORMATION STATEMENT...

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

TEAM RIVERTON

In the hours before

Special weather statement, Jul 3, 7:24 PM MDT, 49 minutes before
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Special weather statement, Jul 3, 7:34 PM MDT, 39 minutes before
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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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Local storm report, Jul 3, 7:38 PM MDT, 35 minutes before
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        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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      <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, Jul 3, 7:51 PM MDT, 22 minutes before
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      </p>
      <p id="message2">
        Please try again in a few minutes.
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Local storm report, Jul 3, 7:54 PM MDT, 19 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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Local storm report, Jul 3, 8:10 PM MDT, 3 minutes before
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<body>
  <main class="wrap">
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      <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
Jul 3, 6:15 PM MDTSpecial Weather StatementRIWJohnson30 min
Jul 3, 6:20 PM MDTSpecial Weather StatementRIWWashakie40 min
Jul 3, 6:42 PM MDTSpecial Weather StatementRIWJohnson33 min
Jul 3, 6:48 PM MDTSpecial Weather StatementRIWJohnson27 min
Jul 3, 7:04 PM MDTSevere Thunderstorm WarningRIWJohnson26 min
Jul 3, 7:06 PM MDTSevere Thunderstorm WarningRIWJohnson24 min
Jul 3, 7:24 PM MDTSpecial Weather StatementRIWJohnson21 min
Jul 3, 7:34 PM MDTSpecial Weather StatementRIWNatrona26 min
Jul 3, 7:46 PM MDTSevere Thunderstorm WarningRIWJohnson29 min
Jul 3, 8:17 PM MDTSevere Thunderstorm WarningRIWNatrona43 min
Jul 3, 9:22 PM MDTSevere Thunderstorm WarningRIWNatrona38 min
Jul 3, 11:58 PM MDTSpecial Weather StatementRIWNatrona47 min
Jul 4, 12:35 AM MDTSpecial Weather StatementRIW40 min
Jul 4, 12:37 AM MDTSpecial Weather StatementRIW38 min
Jul 4, 1:18 AM MDTSpecial Weather StatementRIWHot Springs27 min
Jul 4, 2:46 AM MDTSpecial Weather StatementRIWFremont29 min
Jul 4, 2:59 AM MDTSpecial Weather StatementRIWFremont31 min
Jul 4, 3:37 AM MDTSevere Thunderstorm WarningRIWFremont, Natrona38 min
Jul 4, 4:09 AM MDTSpecial Weather StatementRIW51 min
Jul 4, 4:14 AM MDTSevere Thunderstorm WarningRIWNatrona61 min
Jul 4, 4:54 AM MDTSpecial Weather StatementRIWJohnson66 min
Jul 4, 5:05 AM MDTSevere Thunderstorm WarningRIWNatrona55 min
Jul 4, 5:53 AM MDTSevere Thunderstorm WarningRIWNatrona37 min
Jul 4, 1:41 PM MDTSpecial Weather StatementRIWFremont34 min
Jul 4, 2:07 PM MDTSpecial Weather StatementRIW23 min
Jul 4, 2:26 PM MDTSpecial Weather StatementRIWFremont34 min
Jul 4, 2:36 PM MDTSpecial Weather StatementRIW24 min
Jul 4, 2:55 PM MDTSpecial Weather StatementRIWHot Springs35 min
Jul 4, 3:07 PM MDTSpecial Weather StatementRIWHot Springs23 min
Jul 4, 3:19 PM MDTSpecial Weather StatementRIWJohnson26 min
Jul 4, 3:20 PM MDTSpecial Weather StatementRIWFremont25 min
Jul 4, 3:22 PM MDTSpecial Weather StatementRIWJohnson23 min
Jul 4, 3:27 PM MDTSpecial Weather StatementRIWHot Springs33 min
Jul 4, 3:30 PM MDTSpecial Weather StatementRIWHot Springs30 min
Jul 4, 3:33 PM MDTSevere Thunderstorm WarningRIWJohnson42 min
Jul 4, 3:38 PM MDTSevere Thunderstorm WarningRIWHot Springs41 min
Jul 4, 3:47 PM MDTSevere Thunderstorm WarningRIWFremont, Hot Springs43 min
Jul 4, 3:51 PM MDTSpecial Weather StatementRIWNatrona24 min
Jul 4, 4:03 PM MDTSevere Thunderstorm WarningRIWNatrona42 min
Jul 4, 4:12 PM MDTSpecial Weather StatementRIWFremont33 min
Jul 4, 4:15 PM MDTSpecial Weather StatementRIW45 min
Jul 4, 4:15 PM MDTSevere Thunderstorm WarningRIWJohnson31 min
Jul 4, 4:20 PM MDTSpecial Weather StatementRIWWashakie25 min
Jul 4, 4:24 PM MDTSpecial Weather StatementRIWWashakie36 min
Jul 4, 4:31 PM MDTSpecial Weather StatementRIWHot Springs44 min
Jul 4, 4:38 PM MDTSevere Thunderstorm WarningRIWBig Horn, Washakie52 min
Jul 4, 4:45 PM MDTSpecial Weather StatementRIWNatrona30 min
Jul 4, 4:46 PM MDTSpecial Weather StatementRIWFremont29 min
Jul 4, 4:50 PM MDTSevere Thunderstorm WarningRIWHot Springs, Washakie40 min
Jul 4, 4:55 PM MDTSevere Thunderstorm WarningRIWFremont50 min
Jul 4, 5:05 PM MDTSevere Thunderstorm WarningRIWNatrona40 min
Jul 4, 5:25 PM MDTSpecial Weather StatementRIWHot Springs35 min
Jul 4, 5:25 PM MDTSevere Thunderstorm WarningRIWJohnson, Washakie50 min
Jul 4, 5:35 PM MDTTornado WarningRIWNatrona25 min
Jul 4, 5:52 PM MDTAreal Flood AdvisoryRIWHot Springs, Washakie3 hr
Jul 4, 5:53 PM MDTTornado WarningRIWJohnson, Washakie14 min
Jul 4, 5:59 PM MDTSpecial Weather StatementRIWNatrona31 min

Nearby

Severe Thunderstorm Warnings in Wyoming, 2019Every severe thunderstorm warning 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; radar from the NEXRAD Level II archive.