Alert archive / Wyoming / Severe Thunderstorm Warnings in 2023

Severe Thunderstorm Warning 121, NWS Cheyenne, WY

June 23, 2023Converse County, Wyoming

NWS Cheyenne, WY issued this severe thunderstorm warning at Jun 23, 2023, 6:32 PM MDT for Converse County, Wyoming. It was in force for 43 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: Jun 23, 2023, 6:32 PM MDT (00:32 UTC)
Expired: Jun 23, 2023, 7:15 PM MDT
In force: 43 min
Issued by: NWS Cheyenne, WY
Area: Storm-based polygon
Tornado: Possible
Hail: 1.0 in
Wind: 60.0 mph

County Converse County, WY

The radar

The Cheyenne radar (KCYS), 210 km from the middle of the area, began a volume at 00:31 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.

The watch it was issued in

The SPC watch in force over the same counties when this warning went out.

Issued	Product	Office	Lasted
Jun 23, 2:22 PM MDT	Tornado Watch	SPC	9 hr

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.

In the hours before

Local storm report, Jun 23, 6:08 PM MDT, 24 minutes before

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The office that day

Everything else NWS Cheyenne, WY issued on the same UTC day.

Issued	Product	Office	Counties	Lasted
Jun 23, 6:07 PM MDT	Tornado Warning Tornado observed	CYS	Goshen	23 min
Jun 23, 6:11 PM MDT	Severe Thunderstorm Warning Considerable damage threat	CYS	Goshen	49 min
Jun 23, 6:28 PM MDT	Tornado Warning Tornado observedConsiderable damage threat	CYS	Goshen	32 min
Jun 23, 6:48 PM MDT	Severe Thunderstorm Warning	CYS	Converse, Niobrara	42 min
Jun 23, 6:55 PM MDT	Severe Thunderstorm Warning Considerable damage threat	CYS	Converse, Niobrara	50 min
Jun 23, 6:58 PM MDT	Severe Thunderstorm Warning Considerable damage threat	CYS	Goshen	47 min
Jun 23, 6:58 PM MDT	Tornado Warning Tornado observedConsiderable damage threat	CYS	Goshen	32 min
Jun 23, 7:09 PM MDT	Severe Thunderstorm Warning	CYS	Goshen, Platte	51 min
Jun 23, 7:19 PM MDT	Severe Thunderstorm Warning	CYS	Niobrara	56 min
Jun 23, 7:26 PM MDT	Severe Thunderstorm Warning	CYS	Converse, Niobrara	49 min
Jun 23, 8:05 PM MDT	Severe Thunderstorm Warning	CYS	Goshen	40 min
Jun 23, 8:15 PM MDT	Tornado Warning	CYS	Goshen	30 min
Jun 23, 8:28 PM MDT	Special Weather Statement	CYS	Niobrara	47 min
Jun 23, 8:39 PM MDT	Special Weather Statement	CYS	Niobrara	51 min
Jun 23, 8:44 PM MDT	Severe Thunderstorm Warning	CYS	Niobrara	37 min
Jun 23, 9:52 PM MDT	Severe Thunderstorm Warning	CYS	Goshen	38 min
Jun 23, 7:21 PM MDT	Tornado Warning Tornado observedConsiderable damage threat	CYS	Scotts Bluff	24 min
Jun 23, 7:31 PM MDT	Tornado Warning EmergencyTornado observedCatastrophic damage threat	CYS	Morrill, Scotts Bluff, Sioux	29 min
Jun 23, 7:45 PM MDT	Severe Thunderstorm Warning Considerable damage threat	CYS	Scotts Bluff, Sioux	45 min
Jun 23, 7:56 PM MDT	Tornado Warning Considerable damage threat	CYS	Scotts Bluff	34 min
Jun 23, 8:12 PM MDT	Severe Thunderstorm Warning Considerable damage threat	CYS	Box Butte, Morrill, Scotts Bluff, Sioux	63 min
Jun 23, 8:18 PM MDT	Severe Thunderstorm Warning Considerable damage threat	CYS	Cheyenne	57 min
Jun 23, 8:36 PM MDT	Tornado Warning	CYS	Scotts Bluff, Sioux	24 min
Jun 23, 8:48 PM MDT	Severe Thunderstorm Warning	CYS	Cheyenne, Morrill	46 min
Jun 23, 8:55 PM MDT	Severe Thunderstorm Warning Considerable damage threat	CYS	Box Butte, Morrill, Scotts Bluff, Sioux	50 min
Jun 23, 8:57 PM MDT	Flash Flood Warning	CYS	Morrill, Scotts Bluff, Sioux	3 hr
Jun 23, 9:12 PM MDT	Severe Thunderstorm Warning Considerable damage threat	CYS	Box Butte, Morrill	63 min
Jun 23, 9:15 PM MDT	Severe Thunderstorm Warning Considerable damage threat	CYS	Cheyenne	34 min
Jun 23, 9:26 PM MDT	Flash Flood Warning	CYS	Cheyenne	3 hr
Jun 23, 9:26 PM MDT	Tornado Warning	CYS	Box Butte, Morrill	17 min
Jun 23, 9:41 PM MDT	Tornado Warning	CYS	Morrill	11 min
Jun 23, 9:43 PM MDT	Severe Thunderstorm Warning	CYS	Box Butte, Morrill	47 min
Jun 23, 9:45 PM MDT	Special Weather Statement	CYS	Banner, Scotts Bluff	60 min
Jun 23, 9:55 PM MDT	Severe Thunderstorm Warning Considerable damage threat	CYS	Morrill	39 min
Jun 23, 10:21 PM MDT	Severe Thunderstorm Warning	CYS	Banner, Box Butte, Cheyenne, Kimball, Morrill, Scotts Bluff and 1 more	69 min

Nearby

Severe Thunderstorm Warnings in Wyoming, 2023 Every severe thunderstorm warning in 2023

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.