Alert archive / Wyoming / Severe Thunderstorm Warnings in 2023

Severe Thunderstorm Warning 26, NWS Cheyenne, WY

May 17, 2023Converse County, Niobrara County, Wyoming

NWS Cheyenne, WY issued this severe thunderstorm warning at May 17, 2023, 3:44 PM MDT for Converse County, Niobrara County, Wyoming. It was in force for 49 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: May 17, 2023, 3:44 PM MDT (21:44 UTC)
Expired: May 17, 2023, 4:33 PM MDT
In force: 49 min
Issued by: NWS Cheyenne, WY
Area: Storm-based polygon
Hail: 1.0 in
Wind: 60.0 mph

Counties Converse County, WY, Niobrara County, WY

The radar

The Cheyenne radar (KCYS), 208 km from the middle of the area, began a volume at 21:43 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 May 17, 3:35 PM MDT, 9 minutes earlier.

Area forecast discussion, May 17, 3:35 PM MDT, 9 minutes before

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Hazardous weather outlook, May 17, 3:17 PM MDT, 27 minutes before

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In the hours before

Special weather statement, May 17, 2:28 PM MDT, 1 hour 16 minutes before

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Special weather statement, May 17, 2:43 PM MDT, 1 hour 1 minute before

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Special weather statement, May 17, 2:49 PM MDT, 55 minutes before

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Special weather statement, May 17, 3:03 PM MDT, 41 minutes before

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Special weather statement, May 17, 3:14 PM MDT, 30 minutes before

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Special weather statement, May 17, 3:35 PM MDT, 9 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
May 17, 2:43 PM MDT	Special Weather Statement	CYS	Converse	47 min
May 17, 2:59 PM MDT	Severe Thunderstorm Warning	CYS	Converse, Platte	46 min
May 17, 3:03 PM MDT	Special Weather Statement	CYS	Platte	42 min
May 17, 3:14 PM MDT	Special Weather Statement	CYS	Converse	31 min
May 17, 3:35 PM MDT	Special Weather Statement	CYS	Niobrara	40 min
May 17, 3:51 PM MDT	Special Weather Statement	CYS	Goshen	39 min
May 17, 3:54 PM MDT	Special Weather Statement	CYS		51 min
May 17, 4:11 PM MDT	Special Weather Statement	CYS	Laramie	49 min
May 17, 5:05 PM MDT	Special Weather Statement	CYS	Laramie	25 min
May 17, 11:33 AM MDT	Special Weather Statement	CYS	Sioux	42 min
May 17, 12:33 PM MDT	Special Weather Statement	CYS	Box Butte	42 min
May 17, 12:59 PM MDT	Special Weather Statement	CYS	Scotts Bluff	46 min
May 17, 1:22 PM MDT	Special Weather Statement	CYS	Box Butte	38 min
May 17, 1:26 PM MDT	Special Weather Statement	CYS	Sioux	49 min
May 17, 1:45 PM MDT	Special Weather Statement	CYS	Scotts Bluff	45 min
May 17, 2:12 PM MDT	Special Weather Statement	CYS	Kimball	48 min
May 17, 2:28 PM MDT	Special Weather Statement	CYS	Morrill	47 min
May 17, 2:38 PM MDT	Severe Thunderstorm Warning	CYS	Banner, Morrill, Scotts Bluff	37 min
May 17, 2:49 PM MDT	Special Weather Statement	CYS	Box Butte	41 min
May 17, 2:56 PM MDT	Severe Thunderstorm Warning	CYS	Box Butte, Dawes	49 min
May 17, 4:46 PM MDT	Special Weather Statement	CYS	Kimball	44 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.