Alert archive / Wyoming / Severe Thunderstorm Warnings in 2019
Severe Thunderstorm Warning 75, NWS Riverton, WY
NWS Riverton, WY issued this severe thunderstorm warning at Aug 10, 2019, 1:55 PM MDT for Sweetwater 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 counties it named.
The facts
- Issued
- Aug 10, 2019, 1:55 PM MDT (19:55 UTC)
- Expired
- Aug 10, 2019, 2:28 PM MDT
- In force
- 33 min
- Issued by
- NWS Riverton, WY
- Area
- Storm-based polygon
- Hail
- 0.75 in
- Wind
- 70.0 mph
County Sweetwater County, WY
The radar
The Riverton/Lander radar (KRIW), 160 km from the middle of the area, began a volume at 19:57 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 10, 11:49 AM MDT, 2 hours 6 minutes earlier.
Area forecast discussion, Aug 10, 11:49 AM MDT, 2 hours 6 minutes before
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</html>Hazardous weather outlook, Aug 10, 2:42 AM MDT, 11 hours 13 minutes before
Hazardous Weather Outlook National Weather Service Riverton WY 242 AM MDT Sat Aug 10 2019 WYZ001>020-022>030-110845- 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- 242 AM MDT Sat Aug 10 2019 ...Fire Weather Watch for portions of central Wyoming Sunday Afternoon and Evening... This Hazardous Weather Outlook is for Western and Central Wyoming. .DAY ONE...Today and Tonight Scattered afternoon and evening thunderstorms. Strong storms will be possible over northern portions. .DAYS TWO THROUGH SEVEN...Sunday through Friday. Sunday...Elevated to critical fire weather conditions over central and southern areas. Isolated to scattered afternoon and early evening thunderstorms over eastern portions. Some thunderstorms could be strong to possibly severe mainly over Johnson County. Monday through Thursday...Elevated to near-critical fire conditions over central and southern portions. .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 10, 12:34 PM MDT, 1 hour 21 minutes before
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</html>Local storm report, Aug 10, 12:35 PM MDT, 1 hour 20 minutes before
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<div class="status" id="status">Temporary Notice</div>
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</html>Special weather statement, Aug 10, 1:22 PM MDT, 33 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>
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Please try again in a few minutes.
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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 10, 12:34 PM MDT | Special Weather Statement | RIW | Johnson | 26 min |
| Aug 10, 1:22 PM MDT | Special Weather Statement | RIW | Sweetwater | 23 min |
| Aug 10, 2:01 PM MDT | Special Weather Statement | RIW | 29 min | |
| Aug 10, 2:23 PM MDT | Special Weather Statement | RIW | 37 min | |
| Aug 10, 2:29 PM MDT | Special Weather Statement | RIW | 31 min | |
| Aug 10, 2:42 PM MDT | Special Weather Statement | RIW | Sweetwater | 33 min |
| Aug 10, 2:46 PM MDT | Special Weather Statement | RIW | Big Horn | 29 min |
| Aug 10, 2:51 PM MDT | Red Flag Warning | RIW | Fremont, Natrona | 52 hr |
| Aug 10, 2:58 PM MDT | Severe Thunderstorm Warning | RIW | Big Horn, Washakie | 47 min |
| Aug 10, 3:02 PM MDT | Special Weather Statement | RIW | 28 min | |
| Aug 10, 3:33 PM MDT | Special Weather Statement | RIW | Hot Springs | 27 min |
| Aug 10, 3:43 PM MDT | Special Weather Statement | RIW | Big Horn | 32 min |
| Aug 10, 3:48 PM MDT | Special Weather Statement | RIW | Fremont | 27 min |
| Aug 10, 4:05 PM MDT | Special Weather Statement | RIW | Johnson | 55 min |
| Aug 10, 4:18 PM MDT | Special Weather Statement | RIW | Big Horn | 27 min |
| Aug 10, 4:22 PM MDT | Special Weather Statement | RIW | Hot Springs | 23 min |
| Aug 10, 5:37 PM MDT | Special Weather Statement | RIW | Johnson | 23 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.