Alert archive / Wyoming / Severe Thunderstorm Warnings in 2023

Severe Thunderstorm Warning 305, NWS Cheyenne, WY

July 19, 2023Goshen County, Platte County, Wyoming

NWS Cheyenne, WY issued this severe thunderstorm warning at Jul 19, 2023, 5:37 PM MDT for Goshen County, Platte County, Wyoming. It was in force for 20 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 19, 2023, 5:37 PM MDT (23:37 UTC)
Expired: Jul 19, 2023, 5:57 PM MDT
In force: 20 min
Issued by: NWS Cheyenne, WY
Area: Storm-based polygon
Hail: 1.5 in
Wind: 60.0 mph

Counties Goshen County, WY, Platte County, WY

The radar

The Cheyenne radar (KCYS), 107 km from the middle of the area, began a volume at 23:36 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 19, 5:31 PM MDT, 6 minutes earlier.

Area forecast discussion, Jul 19, 5:31 PM MDT, 6 minutes before

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Hazardous weather outlook, Jul 19, 6:38 AM MDT, 10 hours 59 minutes before

Hazardous Weather Outlook
National Weather Service Cheyenne WY
638 AM MDT Wed Jul 19 2023

WYZ104-105-109>115-201245-
Ferris/Seminoe/Shirley Mountains-Shirley Basin-
Central Carbon County-North Snowy Range Foothills-
Southwest Carbon County-Sierra Madre Range-
Upper North Platte River Basin-Snowy Range-Laramie Valley-
638 AM MDT Wed Jul 19 2023

This hazardous weather outlook is for portions of south central
Wyoming and southeast Wyoming.

.DAY ONE...TODAY AND TONIGHT

Isolated to widely scattered showers and thunderstorms are
expected today. A few storms may produce strong, gusty winds near
50 MPH.

.DAYS TWO THROUGH SEVEN...THURSDAY THROUGH TUESDAY

Numerous thunderstorms are expected on Thursday. A few storms may
produce locally heavy rainfall.

.Spotter information statement...

Spotter activation is not anticipated.

NEZ002-003-019>021-054-055-095-096-WYZ101>103-106>108-116>119-
201245-
Dawes County-Box Butte County-Scotts Bluff County-Banner County-
Morrill County-Kimball County-Cheyenne County-
Northern Sioux County-Southern Sioux County-
Converse County Lower Elevations-Niobrara County-
North Laramie Range-
Central Laramie Range and Southwest Platte County-
East Platte County-Goshen County-South Laramie Range-
South Laramie Range Foothills-Central Laramie County-
East Laramie County-
638 AM MDT Wed Jul 19 2023

This hazardous weather outlook is for portions of panhandle
Nebraska...east central Wyoming and southeast Wyoming.

.DAY ONE...TODAY AND TONIGHT

Isolated to widely scattered showers and thunderstorms are
expected today. A few storms may produce strong, gusty winds near
50 MPH.

.DAYS TWO THROUGH SEVEN...THURSDAY THROUGH TUESDAY

Numerous showers and thunderstorms are likely across the high
plains of southeast Wyoming and the western Nebraska Panhandle on
Thursday. These storms may produce very heavy rainfall, resulting
in a risk for localized flash flooding.

.Spotter information statement...

Spotter activation may be needed.

In the hours before

Local storm report, Jul 19, 4:44 PM MDT, 53 minutes before

Preliminary Local Storm Report
National Weather Service Cheyenne WY
444 PM MDT Wed Jul 19 2023

..TIME...   ...EVENT...      ...CITY LOCATION...     ...LAT.LON...
..DATE...   ....MAG....      ..COUNTY LOCATION..ST.. ...SOURCE....
            ..REMARKS..

0425 PM     Hail             3 S Torrington          42.02N 104.18W
07/19/2023  M1.75 inch       Goshen             WY   Public

            Golf ball sized hail reported at resturant
            3S of Torrington. Car windows broken.

&&

Local storm report, Jul 19, 4:45 PM MDT, 52 minutes before

Preliminary Local Storm Report
National Weather Service Cheyenne WY
445 PM MDT Wed Jul 19 2023

..TIME...   ...EVENT...      ...CITY LOCATION...     ...LAT.LON...
..DATE...   ....MAG....      ..COUNTY LOCATION..ST.. ...SOURCE....
            ..REMARKS..

0427 PM     Hail             3 SSW Torrington        42.03N 104.21W
07/19/2023  E2.00 inch       Goshen             WY   Public

            Report from mPING of Hen Egg size hail.

&&

Special weather statement, Jul 19, 4:46 PM MDT, 51 minutes before

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Local storm report, Jul 19, 4:47 PM MDT, 50 minutes before

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Local storm report, Jul 19, 5:06 PM MDT, 31 minutes before

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Local storm report, Jul 19, 5:16 PM MDT, 21 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 18, 6:11 PM MDT	Special Weather Statement	CYS	Laramie	34 min
Jul 18, 10:13 PM MDT	Special Weather Statement	CYS	Niobrara	47 min
Jul 19, 1:29 PM MDT	Special Weather Statement	CYS	Laramie	31 min
Jul 19, 2:07 PM MDT	Special Weather Statement	CYS	Laramie	23 min
Jul 19, 2:20 PM MDT	Special Weather Statement	CYS	Laramie	25 min
Jul 19, 2:34 PM MDT	Special Weather Statement	CYS	Platte	26 min
Jul 19, 2:41 PM MDT	Severe Thunderstorm Warning	CYS	Laramie, Platte	34 min
Jul 19, 3:14 PM MDT	Severe Thunderstorm Warning Considerable damage threat	CYS	Goshen, Laramie, Platte	46 min
Jul 19, 3:26 PM MDT	Special Weather Statement	CYS	Converse	49 min
Jul 19, 3:55 PM MDT	Severe Thunderstorm Warning	CYS	Goshen	50 min
Jul 19, 3:58 PM MDT	Special Weather Statement	CYS	Platte	32 min
Jul 19, 4:05 PM MDT	Special Weather Statement	CYS	Platte	25 min
Jul 19, 4:09 PM MDT	Severe Thunderstorm Warning	CYS	Goshen, Platte	26 min
Jul 19, 4:13 PM MDT	Severe Thunderstorm Warning	CYS	Converse, Goshen, Platte	47 min
Jul 19, 4:44 PM MDT	Severe Thunderstorm Warning Considerable damage threat	CYS	Goshen	46 min
Jul 19, 4:46 PM MDT	Special Weather Statement	CYS	Albany	29 min
Jul 19, 5:03 PM MDT	Severe Thunderstorm Warning	CYS	Goshen, Platte	42 min
Jul 19, 5:15 PM MDT	Severe Thunderstorm Warning	CYS	Goshen	30 min
Jul 19, 5:51 PM MDT	Special Weather Statement	CYS	Platte	24 min
Jul 18, 6:23 PM MDT	Special Weather Statement	CYS	Morrill	52 min
Jul 18, 6:51 PM MDT	Special Weather Statement	CYS	Dawes	24 min
Jul 18, 11:50 PM MDT	Special Weather Statement	CYS	Dawes	25 min
Jul 19, 12:13 AM MDT	Special Weather Statement	CYS	Dawes	32 min
Jul 19, 5:49 PM MDT	Special Weather Statement	CYS	Scotts Bluff	26 min
Jul 19, 5:55 PM MDT	Special Weather Statement	CYS	Sioux	35 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.