Large hail and damaging winds from severe thunderstorms affected many across southeastern Wyoming on the first. Golf ball size hail feel across portions of Niobrara and Converse Counties while large hail drifts and heavy rain caused widespread flash flooding across Goshen County as well.

Hail in CONVERSE, WYOMING
From 01-JUL-19 14:40:00 to 01-JUL-19 14:40:00 (MST-7)
Location: BILL
Magnitude: 1.00 
Reported by: Public

Thunderstorm Wind in CONVERSE, WYOMING
From 01-JUL-19 14:50:00 to 01-JUL-19 14:50:00 (MST-7)
Location: BILL
Magnitude: 52.00 EG
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Public

Observer noted dime size hail and heavy rainfall.

Hail in CONVERSE, WYOMING
From 01-JUL-19 15:10:00 to 01-JUL-19 15:10:00 (MST-7)
Location: BILL
Magnitude: 1.75 
Reported by: Public

Hail in NIOBRARA, WYOMING
From 01-JUL-19 15:54:00 to 01-JUL-19 15:54:00 (MST-7)
Location: MANVILLE
Magnitude: 1.00 
Reported by: Trained Spotter

Hail in NIOBRARA, WYOMING
From 01-JUL-19 15:58:00 to 01-JUL-19 15:58:00 (MST-7)
Location: KEELINE
Magnitude: 1.00 
Reported by: Trained Spotter

Hail in NIOBRARA, WYOMING
From 01-JUL-19 16:06:00 to 01-JUL-19 16:06:00 (MST-7)
Location: MANVILLE
Magnitude: 0.75 
Reported by: Trained Spotter

Hail in NIOBRARA, WYOMING
From 01-JUL-19 16:17:00 to 01-JUL-19 16:17:00 (MST-7)
Location: MANVILLE
Magnitude: 1.75 
Reported by: Public

Multiple small diameter tree branches were knocked down.

Hail in NIOBRARA, WYOMING
From 01-JUL-19 16:18:00 to 01-JUL-19 16:18:00 (MST-7)
Location: MANVILLE
Magnitude: 1.25 
Reported by: Law Enforcement

Hail in CONVERSE, WYOMING
From 01-JUL-19 16:30:00 to 01-JUL-19 16:30:00 (MST-7)
Location: ESTERBROOK
Magnitude: 1.25 
Reported by: Public

Hail in LARAMIE, WYOMING
From 01-JUL-19 16:45:00 to 01-JUL-19 16:45:00 (MST-7)
Location: ORCHARD VALLY
Magnitude: 0.75 
Reported by: Public

Hail in GOSHEN, WYOMING
From 01-JUL-19 17:00:00 to 01-JUL-19 17:00:00 (MST-7)
Location: JAY EM
Magnitude: 1.00 
Reported by: Storm Chaser

Thunderstorm Wind in GOSHEN, WYOMING
From 01-JUL-19 17:00:00 to 01-JUL-19 17:00:00 (MST-7)
Location: JAY EM
Magnitude: 68.00 MG
Reported by: Storm Chaser

Hail in GOSHEN, WYOMING
From 01-JUL-19 17:17:00 to 01-JUL-19 17:17:00 (MST-7)
Location: PRAIRIE CENTER
Magnitude: 1.00 
Reported by: COOP Observer

Thunderstorm Wind in GOSHEN, WYOMING
From 01-JUL-19 18:00:00 to 01-JUL-19 18:00:00 (MST-7)
Location: (TOR)TORRINGTON AIRPORT
Magnitude: 56.00 MG
Reported by: Mesonet

Winds measured at the Alsop site.

Hail in PLATTE, WYOMING
From 01-JUL-19 18:03:00 to 01-JUL-19 18:03:00 (MST-7)
Location: WHEATLAND
Magnitude: 0.88 
Reported by: Public

Flash Flood in GOSHEN, WYOMING
From 01-JUL-19 18:10:00 to 01-JUL-19 21:33:00 (MST-7)
Location: HAWK SPRINGS
Flood cause: Heavy Rain
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Emergency Manager

Southbound lanes in Hawk Springs were under water.

Flash Flood in GOSHEN, WYOMING
From 01-JUL-19 18:55:00 to 01-JUL-19 20:55:00 (MST-7)
Location: LINGLE
Flood cause: Heavy Rain
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Emergency Manager

Flooded roadway along Van Tassell and Road 104.

Flash Flood in GOSHEN, WYOMING
From 01-JUL-19 19:31:00 to 01-JUL-19 21:31:00 (MST-7)
Location: ROCKEAGLE
Flood cause: Heavy Rain
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Emergency Manager

Water was running over area county roads west of Veteran with several feet deep along Road 23 from Road 68 to Road 70. Marble size hail drifts up to two feet tall while the nearby Cherry Creek grew to about 100 feet wide and three to four feet deep carrying large logs downstream.

Flash Flood in GOSHEN, WYOMING
From 01-JUL-19 20:54:00 to 01-JUL-19 22:54:00 (MST-7)
Location: ROCKEAGLE
Flood cause: Heavy Rain
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Emergency Manager

Cherry Creek Dam rose over four feet in thirty minutes with the nearby Deer Creek running high.