Severe thunderstorms moved across the southeastern Wyoming High Plains producing large hail over softball size and numerous tornadoes in Platte and Goshen Counties. The highest rating tornado was an EF-2 north of Fort Laramie that was on the ground for close to thirty minutes. Couple residential homes were damaged by the tornado in addition to several livestock and wildlife animals killed by flying debris. The supercell that produced this tornado also produced an earlier tornado in Platte County and passed into Goshen before producing the EF-2 tornado. Later, another supercell tornado produced a shortlived tornado east of Chugwater and dissipated shortly after passing into Goshen County.

Hail in GOSHEN, WYOMING
From 10-SEP-19 14:40:00 to 10-SEP-19 14:40:00 (MST-7)
Location: FORT LARAMIE
Magnitude: 4.25 
Reported by: Storm Chaser

Hail in GOSHEN, WYOMING
From 10-SEP-19 14:55:00 to 10-SEP-19 14:55:00 (MST-7)
Location: JAY EM
Magnitude: 4.38 
Reported by: Storm Chaser

Hail in GOSHEN, WYOMING
From 10-SEP-19 15:28:00 to 10-SEP-19 15:28:00 (MST-7)
Location: JAY EM
Magnitude: 2.50 
Reported by: Emergency Manager

Hail in GOSHEN, WYOMING
From 10-SEP-19 16:48:00 to 10-SEP-19 16:48:00 (MST-7)
Location: HAWK SPRINGS
Magnitude: 1.00 
Reported by: Emergency Manager

Tornado in PLATTE, WYOMING
From 10-SEP-19 14:09:00 to 10-SEP-19 14:14:00 (MST-7)
Location: SUNRISE
Tornado F-scale: EFU
Reported by: Emergency Manager

Observer along with nearby storm chasers noted supercell thunderstorm producing a wedge-shaped tornado. Terrain and lack of visual evidence of any associated damage leaves rating as unknown with path width being an estimated value as well.

Tornado in GOSHEN, WYOMING
From 10-SEP-19 14:14:00 to 10-SEP-19 14:19:00 (MST-7)
Location: FORT LARAMIE
Tornado F-scale: EFU
Reported by: Storm Chaser

Observer noted wedge shaped tornado moving across the high plains from Platte County into Goshen County. Given the terrain tornado was over and lack of visible evidence, the tornado will remain rated as unknown with estimated width measurement.

Tornado in PLATTE, WYOMING
From 10-SEP-19 15:58:00 to 10-SEP-19 16:01:00 (MST-7)
Location: CHUGWATER
Tornado F-scale: EFU
Reported by: Emergency Manager

Platte County official observed the tornado over the open plains east of the town of Chugwater and as it lifted east of the shared county line with Goshen. No discernible damage was reported with the rope-shaped tornado to rate any higher than unknown. Given the limited access and no visible damage, path length and width should be considered as an estimated value.

Tornado in GOSHEN, WYOMING
From 10-SEP-19 16:01:00 to 10-SEP-19 16:05:00 (MST-7)
Location: MERS HILL
Tornado F-scale: EFU
Reported by: Emergency Manager

Official from Yoder observed the tornado as it moved in from Platte County over the open high plains. No visible damage was reported with the tornado to discern any effective rating besides unknown. Path width and length should be considered as a best estimate given no official survey was performed in addition to remote location.

Tornado in GOSHEN, WYOMING
From 10-SEP-19 15:14:00 to 10-SEP-19 15:46:00 (MST-7)
Location: FORT LARAMIE
Tornado F-scale: EF2
Reported by: NWS Storm Survey

During the course of the tornadic supercell thunderstorm, several storm chasers and emergency managers were reporting the sighting of a wedge-shaped tornado moving across the high plains. During the lifetime of the tornado, videos submitted to the office referenced multi-vortex tornadoes and various satellite tornadoes as it neared and eventually passed over United States Highway 85. Several buildings were damaged in the path of the twister along with various lifestock and wild animals killed by flying debris. Damage at one of the residences was equivalent to EF-2 damage. Given the sparse and remote areas that the tornado passed through, path length and width are at best an estimate given that the tornado path was discontinuous and at time impossible to investigate given private land and no road access.

Hail in LARAMIE, WYOMING
From 10-SEP-19 02:15:00 to 10-SEP-19 02:15:00 (MST-7)
Location: (CYS)CHEYENNE AIRPORT
Magnitude: 0.75 
Reported by: CoCoRaHS

Hail in PLATTE, WYOMING
From 10-SEP-19 13:10:00 to 10-SEP-19 13:10:00 (MST-7)
Location: GLENDO
Magnitude: 1.50 
Reported by: Trained Spotter

Hail in PLATTE, WYOMING
From 10-SEP-19 13:15:00 to 10-SEP-19 13:15:00 (MST-7)
Location: GLENDO
Magnitude: 2.75 
Reported by: Emergency Manager

Hail in PLATTE, WYOMING
From 10-SEP-19 14:05:00 to 10-SEP-19 14:05:00 (MST-7)
Location: HARTVILLE
Magnitude: 1.75 
Reported by: Public

Hail in PLATTE, WYOMING
From 10-SEP-19 14:14:00 to 10-SEP-19 14:14:00 (MST-7)
Location: GUERNSEY
Magnitude: 1.75 
Reported by: Public