Alert archive / Wyoming / Severe Thunderstorm Warnings in 2019
Severe Thunderstorm Warning 325, NWS Cheyenne, WY
NWS Cheyenne, WY issued this severe thunderstorm warning at Aug 15, 2019, 2:46 PM MDT for Goshen County, Wyoming; Sioux County, Nebraska. 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 15, 2019, 2:46 PM MDT (20:46 UTC)
- Expired
- Aug 15, 2019, 3:30 PM MDT
- In force
- 44 min
- Issued by
- NWS Cheyenne, WY
- Area
- Storm-based polygon
- Hail
- 1.75 in
- Wind
- 60.0 mph
Counties Sioux County, NE, Goshen County, WY
The radar
The Cheyenne radar (KCYS), 141 km from the middle of the area, began a volume at 20:47 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 Cheyenne, WY wrote its last area forecast discussion before this severe thunderstorm warning went out at Aug 15, 2:33 PM MDT, 13 minutes earlier.
Area forecast discussion, Aug 15, 2:33 PM MDT, 13 minutes before
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</html>Hazardous weather outlook, Aug 15, 10:43 AM MDT, 4 hours 3 minutes before
Hazardous Weather Outlook National Weather Service Cheyenne WY 1043 AM MDT Thu Aug 15 2019 NEZ002-003-019-021-095-096-WYZ101-102-107-108-161000- Dawes-Box Butte-Scotts Bluff-Morrill-North Sioux-South Sioux- Converse County Lower Elevations-Niobrara County- East Platte County-Goshen County- 1043 AM MDT Thu Aug 15 2019 This hazardous weather outlook is for portions of western Nebraska...east central Wyoming and southeast Wyoming. .DAY ONE...TODAY AND TONIGHT Isolated thunderstorms will be possible this afternoon with a few strong storms possible. A somewhat greater threat for scattered strong to severe storms is expected later tonight with large hail the main threat. .DAYS TWO THROUGH SEVEN...FRIDAY THROUGH WEDNESDAY Widely scattered showers and storms are expected mainly on Friday, with a few of the storms possibly becoming severe, mainly over the Nebraska Panhandle. .Spotter information statement... Spotter activation is not expected at this time. NEZ020-054-055-WYZ103>106-109>119-161000- Banner-Kimball-Cheyenne-North Laramie Range- Ferris/Seminoe/Shirley Mountains-Shirley Basin- Central Laramie Range and Southwest Platte County- Central Carbon County-North Snowy Range Foothills- Southwest Carbon County-Sierra Madre Range- Upper North Platte River Basin-Snowy Range-Laramie Valley- South Laramie Range-South Laramie Range Foothills- Central Laramie County-East Laramie County- 1043 AM MDT Thu Aug 15 2019 This hazardous weather outlook is for portions of western Nebraska...south central Wyoming and southeast Wyoming. .DAY ONE...TODAY AND TONIGHT Isolated showers and thunderstorms are possible into this evening but the severe threat is low. .DAYS TWO THROUGH SEVEN...FRIDAY THROUGH WEDNESDAY The probability for widespread hazardous weather is low. .Spotter information statement... Spotter activation will not be needed.
In the hours before
Special weather statement, Aug 15, 1:08 PM MDT, 1 hour 38 minutes before
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</html>The office that day
Everything else NWS Cheyenne, WY issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Aug 15, 12:34 AM MDT | Severe Thunderstorm Warning | CYS | Niobrara | 56 min |
| Aug 15, 1:42 AM MDT | Severe Thunderstorm Warning | CYS | Niobrara | 33 min |
| Aug 15, 2:15 AM MDT | Severe Thunderstorm Warning | CYS | Niobrara | 45 min |
| Aug 15, 2:40 AM MDT | Fire Weather Watch | CYS | 19 hr | |
| Aug 15, 2:40 AM MDT | Red Flag Warning | CYS | 17 hr | |
| Aug 15, 2:53 AM MDT | Severe Thunderstorm Warning | CYS | Niobrara | 37 min |
| Aug 15, 3:28 AM MDT | Severe Thunderstorm Warning | CYS | Niobrara | 22 min |
| Aug 15, 3:50 AM MDT | Special Weather Statement | CYS | Niobrara | 25 min |
| Aug 15, 1:08 PM MDT | Special Weather Statement | CYS | Niobrara | 52 min |
| Aug 15, 1:31 PM MDT | Severe Thunderstorm Warning | CYS | Niobrara | 21 min |
| Aug 15, 2:00 PM MDT | Severe Thunderstorm Warning | CYS | Goshen, Niobrara, Platte | 30 min |
| Aug 15, 2:23 PM MDT | Severe Thunderstorm Warning | CYS | Goshen | 37 min |
| Aug 15, 4:05 PM MDT | Special Weather Statement | CYS | Goshen | 40 min |
| Aug 15, 4:23 PM MDT | Severe Thunderstorm Warning | CYS | Goshen, Platte | 29 min |
| Aug 15, 1:55 AM MDT | Severe Thunderstorm Warning | CYS | Dawes, Sioux | 50 min |
| Aug 15, 2:49 AM MDT | Special Weather Statement | CYS | Dawes | 26 min |
| Aug 15, 3:19 AM MDT | Special Weather Statement | CYS | Dawes | 26 min |
| Aug 15, 3:18 PM MDT | Severe Thunderstorm Warning | CYS | Scotts Bluff, Sioux | 57 min |
| Aug 15, 3:59 PM MDT | Severe Thunderstorm Warning | CYS | Banner, Morrill, Scotts Bluff | 46 min |
| Aug 15, 4:43 PM MDT | Severe Thunderstorm Warning | CYS | Cheyenne, Morrill | 77 min |
| Aug 15, 5:23 PM MDT | Special Weather Statement | CYS | Kimball | 37 min |
Nearby
Severe Thunderstorm Warnings in Wyoming, 2019Severe Thunderstorm Warnings in Nebraska, 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.