Alert archive / Wyoming / Severe Thunderstorm Warnings in 2019
Severe Thunderstorm Warning 98, NWS Riverton, WY
NWS Riverton, WY issued this severe thunderstorm warning at Aug 23, 2019, 6:46 PM MDT for Johnson 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
- Aug 23, 2019, 6:46 PM MDT (00:46 UTC)
- Expired
- Aug 23, 2019, 7:30 PM MDT
- In force
- 44 min
- Issued by
- NWS Riverton, WY
- Area
- Storm-based polygon
- Tornado
- Possible
- Hail
- 1.0 in
- Wind
- 50.0 mph
County Johnson County, WY
The radar
The Riverton/Lander radar (KRIW), 187 km from the middle of the area, began a volume at 00:47 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 Aug 23, 6:26 PM MDT, 20 minutes earlier.
Area forecast discussion, Aug 23, 6:26 PM MDT, 20 minutes before
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</html>Hazardous weather outlook, Aug 23, 12:28 PM MDT, 6 hours 18 minutes before
Hazardous Weather Outlook National Weather Service Riverton WY 1228 PM MDT Fri Aug 23 2019 WYZ001>020-022>030-241200- 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- 1228 PM MDT Fri Aug 23 2019 This Hazardous Weather Outlook is for Western and Central Wyoming. .DAY ONE...This Afternoon and Tonight. Strong thunderstorms are possible this afternoon and evening, in East Central Wyoming. .DAYS TWO THROUGH SEVEN...Saturday through Thursday. Saturday through Monday...Elevated to critical fire weather conditions are expected, especially on Sunday. .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, Aug 23, 5:15 PM MDT, 1 hour 31 minutes before
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</html>Special weather statement, Aug 23, 5:19 PM MDT, 1 hour 27 minutes before
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</html>Special weather statement, Aug 23, 5:40 PM MDT, 1 hour 6 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.
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Please try again in a few minutes.
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</html>Local storm report, Aug 23, 5:41 PM MDT, 1 hour 5 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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</html>Special weather statement, Aug 23, 5:59 PM MDT, 47 minutes before
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<main class="wrap">
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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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<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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</html>Special weather statement, Aug 23, 6:28 PM MDT, 18 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>
</section>
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</html>The office that day
Everything else NWS Riverton, WY issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Aug 23, 6:06 PM MDT | Areal Flood Advisory | RIW | Natrona | 3 hr |
| Aug 23, 6:15 PM MDT | Severe Thunderstorm Warning | RIW | Johnson | 30 min |
| Aug 23, 6:28 PM MDT | Special Weather Statement | RIW | Fremont | 32 min |
| Aug 23, 7:04 PM MDT | Special Weather Statement | RIW | Fremont | 26 min |
| Aug 23, 7:14 PM MDT | Special Weather Statement | RIW | Fremont | 31 min |
| Aug 23, 8:58 PM MDT | Areal Flood Advisory | RIW | Johnson | 3 hr |
| Aug 24, 2:10 PM MDT | Red Flag Warning | RIW | Fremont, Lincoln, Natrona, Park, Sublette, Sweetwater and 2 more | 54 hr |
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.