Alert archive / Wyoming / Severe Thunderstorm Warnings in 2019

Severe Thunderstorm Warning 230, NWS Cheyenne, WY

July 12, 2019Converse County, Wyoming

NWS Cheyenne, WY issued this severe thunderstorm warning at Jul 12, 2019, 4:50 PM MDT for Converse County, Wyoming. It was in force for 25 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: Jul 12, 2019, 4:50 PM MDT (22:50 UTC)
Expired: Jul 12, 2019, 5:15 PM MDT
In force: 25 min
Issued by: NWS Cheyenne, WY
Area: Storm-based polygon
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 22:54 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 Jul 11, 5:44 PM MDT, 23 hours 6 minutes earlier.

Area forecast discussion, Jul 11, 5:44 PM MDT, 23 hours 6 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
Jul 12, 12:39 PM MDT	Special Weather Statement	CYS	Platte	51 min
Jul 12, 1:13 PM MDT	Special Weather Statement	CYS	Laramie	32 min
Jul 12, 1:44 PM MDT	Special Weather Statement	CYS	Laramie	31 min
Jul 12, 2:09 PM MDT	Severe Thunderstorm Warning	CYS	Laramie	51 min
Jul 12, 2:58 PM MDT	Special Weather Statement	CYS	Laramie	47 min
Jul 12, 4:45 PM MDT	Special Weather Statement	CYS	Converse	45 min
Jul 12, 5:49 PM MDT	Severe Thunderstorm Warning	CYS	Goshen, Niobrara	26 min
Jul 12, 5:27 PM MDT	Special Weather Statement	CYS	Sioux	48 min
Jul 12, 5:36 PM MDT	Special Weather Statement	CYS	Box Butte	39 min
Jul 12, 5:44 PM MDT	Severe Thunderstorm Warning	CYS	Box Butte, Morrill	31 min
Jul 12, 5:54 PM MDT	Special Weather Statement	CYS	Cheyenne	51 min
Jul 12, 5:58 PM MDT	Tornado Warning Tornado observed	CYS	Cheyenne	32 min

Nearby

Severe Thunderstorm Warnings in Wyoming, 2019 Every 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.