Strong thunderstorms brought flash flooding to southern Utah, as well as many reports of large hail across both northern and southern Utah.

Hail in KANE, UTAH
From 10-AUG-16 13:23:00 to 10-AUG-16 13:23:00 (MST-7)
Location: MT CARMEL
Magnitude: 1.00 
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Public

One inch diameter hail was reported at Mt. Carmel.

Hail in UTAH, UTAH
From 10-AUG-16 10:42:00 to 10-AUG-16 11:15:00 (MST-7)
Location: PAYSON
Magnitude: 1.00 
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Trained Spotter

Nickel- to quarter-sized hail was reported in multiple locations across Utah County, including Payson and Salem.

Hail in KANE, UTAH
From 10-AUG-16 11:20:00 to 10-AUG-16 11:20:00 (MST-7)
Location: MT CARMEL
Magnitude: 1.00 
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Public

Nickel- to quarter-sized hail was reported in Mt. Carmel, and the hail accumulated to a significant depth.

Flash Flood in KANE, UTAH
From 10-AUG-16 13:10:00 to 10-AUG-16 15:30:00 (MST-7)
Location: KANAB LD ARPT
Flood cause: Heavy Rain
Property damage: 0.00K
Crop damage: 0.00K
Reported by: County Official

Flash flooding was reported in Zion National Park, particularly along SR-9, where a significant rock fall on the switchback near Pine Creek Bridge blocked both sides of the road. This rock fall included a large house-sized boulder, and the road was closed between Canyon Junction and the East Entrance of Zion National Park for several hours.

Flash Flood in KANE, UTAH
From 10-AUG-16 13:30:00 to 10-AUG-16 15:30:00 (MST-7)
Location: KANAB ARPT
Flood cause: Heavy Rain
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Park/Forest Service

Flash flooding was reported in Lick, Willis, and other canyons south of Bryce Canyon National Park.

Hail in WASHINGTON, UTAH
From 10-AUG-16 14:15:00 to 10-AUG-16 14:15:00 (MST-7)
Location: VIRGIN
Magnitude: 0.75 
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Public

Penny-sized hail was reported near Virgin.

Hail in SALT LAKE, UTAH
From 10-AUG-16 14:20:00 to 10-AUG-16 14:20:00 (MST-7)
Location: REDWOOD
Magnitude: 0.75 
Property damage: 0.00K
Crop damage: 0.00K
Reported by: State Official

Penny-sized hail was reported in South Salt Lake.

Hail in WASHINGTON, UTAH
From 10-AUG-16 15:16:00 to 10-AUG-16 15:16:00 (MST-7)
Location: BLOOMINGTON
Magnitude: 0.88 
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Public

Nickel-sized hail was reported near St. George.

Hail in SUMMIT, UTAH
From 11-AUG-16 13:00:00 to 11-AUG-16 13:00:00 (MST-7)
Location: KAMAS
Magnitude: 1.00 
Property damage: 0.00K
Crop damage: 0.00K
Reported by: NWS Employee

Quarter-sized hail was reported in Kamas.

Thunderstorm Wind in WEBER, UTAH
From 10-AUG-16 22:00:00 to 10-AUG-16 22:00:00 (MST-7)
Location: LITTLE MTN
Magnitude: 62.00 MG
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Mesonet

A maximum wind gust of 71 mph was recorded at the Fremont Island - Miller Hill sensor.

Hail in KANE, UTAH
From 10-AUG-16 13:25:00 to 10-AUG-16 13:25:00 (MST-7)
Location: ORDERVILLE
Magnitude: 1.00 
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Public

One inch diameter hail was reported at Orderville.

Thunderstorm Wind in KANE, UTAH
From 10-AUG-16 15:45:00 to 10-AUG-16 15:45:00 (MST-7)
Location: BULLFROG
Magnitude: 56.00 MG
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Mesonet

The Bullfrog Marina sensor recorded a maximum wind gust of 65 mph.

Flash Flood in WASHINGTON, UTAH
From 10-AUG-16 18:00:00 to 10-AUG-16 20:00:00 (MST-7)
Location: ZION LODGE
Flood cause: Heavy Rain
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Official NWS Observations

Flash flooding occurred along the North Fork of the Virgin, which peaked at 1480 cfs.

Hail in WASHINGTON, UTAH
From 10-AUG-16 12:56:00 to 10-AUG-16 12:56:00 (MST-7)
Location: SPRINGDALE
Magnitude: 1.75 
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Public

Large hail fell over Springdale, with some of the hail stones reported to be as large as ping pong balls.