Alert archive / Wyoming / Severe Thunderstorm Warnings in 2019
Severe Thunderstorm Warning 101, NWS Riverton, WY
NWS Riverton, WY issued this severe thunderstorm warning at Sep 28, 2019, 10:05 AM MDT for Lincoln County, Wyoming. It was in force for 40 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
- Sep 28, 2019, 10:05 AM MDT (16:05 UTC)
- Expired
- Sep 28, 2019, 10:45 AM MDT
- In force
- 40 min
- Issued by
- NWS Riverton, WY
- Area
- Storm-based polygon
- Tornado
- Possible
- Hail
- 0.75 in
- Wind
- 70.0 mph
County Lincoln County, WY
The radar
The Salt Lake City radar (KMTX), 186 km from the middle of the area, began a volume at 16:05 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 Sep 28, 5:31 AM MDT, 4 hours 34 minutes earlier.
Area forecast discussion, Sep 28, 5:31 AM MDT, 4 hours 34 minutes before
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</html>Hazardous weather outlook, Sep 28, 5:47 AM MDT, 4 hours 18 minutes before
Hazardous Weather Outlook National Weather Service Riverton WY 547 AM MDT Sat Sep 28 2019 WYZ001>020-022>030-291200- 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- 547 AM MDT Sat Sep 28 2019 ...Winter Weather Advisory for the Northwestern Mountains through Sunday... ...Flash Flood Watch for Lower Elevations across parts of Western Wyoming through Sunday Morning... ...High Wind Watch for Eastern Sweetwater County Sunday... This Hazardous Weather Outlook is for Western and Central Wyoming. .DAY ONE...Today and Tonight. Significant mid-high elevation mountain snow over the northwestern mountains. Widespread, significant rain over the west and northern lower elevations. Isolated thunderstorms are possible over much of the area. A few of them could be strong over the far east this afternoon. Significant rain in the lower elevations over western Wyoming could result in mud and/or rock slides in steeply sloped areas such as canyons are recent burn scars. .DAYS TWO THROUGH SEVEN...Sunday through Friday. Sunday...The coverage and intensity of the precipitation will decrease during Sunday morning. Strong to possibly high wind could occur mainly between Rock Springs and Casper. Sunday night...A first, widespread freeze is likely over the west and south in places that have not hit freezing this season. A light freeze could occur in some locations east of the Divide with the Upper Wind River Basin Foothills, and Cody Foothills the most likely area to see a widespread freeze. .SPOTTER INFORMATION STATEMENT... Weather spotters are encouraged to report significant weather conditions according to standard operating procedures.
In the hours before
Special weather statement, Sep 28, 7:06 AM MDT, 2 hours 59 minutes before
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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 |
|---|---|---|---|---|
| Sep 28, 3:55 AM MDT | High Wind Watch | RIW | Sweetwater | 22 hr |
| Sep 28, 4:22 AM MDT | Flash Flood Watch | RIW | Lincoln, Sublette, Teton | 32 hr |
| Sep 28, 10:43 AM MDT | Special Weather Statement | RIW | Lincoln | 32 min |
| Sep 28, 11:17 AM MDT | Special Weather Statement | RIW | 28 min | |
| Sep 28, 1:05 PM MDT | Special Weather Statement | RIW | 25 min | |
| Sep 28, 1:11 PM MDT | Severe Thunderstorm Warning | RIW | Fremont | 49 min |
| Sep 28, 1:55 PM MDT | Special Weather Statement | RIW | Fremont | 50 min |
| Sep 28, 2:28 PM MDT | Special Weather Statement | RIW | 32 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.