A southward moving thunderstorm produced hail up to ping-pong size, blew limbs down, and caused flash flooding near Wild Horse.  The flash flood waters flowed into a house near Wild Horse.  The flood waters also washed out some of the railroad track that ran parallel to the Big Sandy for five miles.

Hail in KIT CARSON, COLORADO
From 02-AUG-17 15:57:00 to 02-AUG-17 15:57:00 (MST-7)
Location: SEIBERT
Magnitude: 0.88 
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Public

Hail in KIT CARSON, COLORADO
From 02-AUG-17 16:25:00 to 02-AUG-17 16:25:00 (MST-7)
Location: SEIBERT
Magnitude: 1.25 
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Social Media

Hail slightly larger than quarters, according to the picture, occurred,.

Hail in CHEYENNE, COLORADO
From 02-AUG-17 17:29:00 to 02-AUG-17 17:29:00 (MST-7)
Location: WILD HORSE
Magnitude: 1.50 
Crop damage: 0.00K
Reported by: Trained Spotter

The hail was mostly quarter to ping-pong ball size, covering the ground.  Wind driven hail broke windows.  No report of how many windows were broken.

Hail in CHEYENNE, COLORADO
From 02-AUG-17 17:45:00 to 02-AUG-17 17:45:00 (MST-7)
Location: WILD HORSE
Magnitude: 0.88 
Crop damage: 0.00K
Reported by: Emergency Manager

The hail stripped leaves from the trees in town and covered the ground.  The hail also broke some windows in town.  No report of how many windows were broken.  The hail ranged from dime to nickel in size.

Thunderstorm Wind in CHEYENNE, COLORADO
From 02-AUG-17 17:24:00 to 02-AUG-17 17:24:00 (MST-7)
Location: WILD HORSE
Magnitude: 65.00 EG
Property damage: 1.00K
Crop damage: 0.00K
Reported by: COOP Observer

Two limbs of unknown size were broken off trees and a 60 year old dead tree was blown over.

Thunderstorm Wind in CHEYENNE, COLORADO
From 02-AUG-17 17:29:00 to 02-AUG-17 17:29:00 (MST-7)
Location: WILD HORSE
Magnitude: 65.00 EG
Crop damage: 0.00K
Reported by: Trained Spotter

Tree branches were blown down in the yard.  Anemometer measured 54 MPH before failing.  No size or number of tree branches blown down were given.

Hail in KIT CARSON, COLORADO
From 02-AUG-17 15:46:00 to 02-AUG-17 15:46:00 (MST-7)
Location: SEIBERT
Magnitude: 0.88 
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Trained Spotter

Flash Flood in CHEYENNE, COLORADO
From 02-AUG-17 18:00:00 to 02-AUG-17 21:00:00 (MST-7)
Location: SORRENTO
Flood cause: Heavy Rain
Property damage: 75.00K
Crop damage: 0.00K
Reported by: COOP Observer

Heavy rainfall fell so fast that the water flowed into a house.  The water was so extensive it had to be diverted from the house by county personnel.  The water damage was so severe the resident could not live in the house for a month while repairs were being done.

Flash Flood in CHEYENNE, COLORADO
From 02-AUG-17 18:00:00 to 02-AUG-17 21:00:00 (MST-7)
Location: WILD HORSE
Flood cause: Heavy Rain
Property damage: 150.00K
Crop damage: 0.00K
Reported by: Public

An official for the railroad that runs by Wild Horse reported portions of track had been washed out along a five mile stretch from roughly CR R to CR 14.  There were also public reports of water running over Highway 287/40 between CR R and CR 14.  Rainfall estimates close to 2.50 occurred in this area in less than an hour time frame.  Total amount of washed out track was not given; best guess is around 400 ft.