The flash flooding threat began again in the middle of the month, with the largest flash floods in Capitol Reef National Park and along the Escalante River. Isolated large hail was reported with a couple of storms, and cloud-to-ground lightning struck a couple individuals.

Lightning in WEBER, UTAH
From 19-AUG-11 08:15:00 to 19-AUG-11 08:15:00 (MST-7)
Location: WILSON
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Newspaper

A construction worker, who was walking toward his truck at the Granite Construction Company supply site in West Haven, was thrown back from the truck when a bolt of lightning struck the vehicle. He was thrown several feet in the air and landed on his face, suffering facial injuries and hand abrasions. He would survive his injuries.

Hail in SALT LAKE, UTAH
From 20-AUG-11 17:40:00 to 20-AUG-11 17:40:00 (MST-7)
Location: MURRAY
Magnitude: 0.75 
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Public

Hail with a diameter of approximately 0.75 inches was observed near Murray.

Hail in GARFIELD, UTAH
From 21-AUG-11 14:20:00 to 21-AUG-11 14:20:00 (MST-7)
Location: ESCALANTE
Magnitude: 0.75 
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Trained Spotter

Hail with a diameter of 0.75 inches was reported in Escalante.

Flash Flood in KANE, UTAH
From 21-AUG-11 16:10:00 to 21-AUG-11 18:10:00 (MST-7)
Location: (U17)BULLFROG (AMOS)
Flood cause: Heavy Rain
Property damage: 0.00K
Crop damage: 0.00K
Reported by: County Official

Flash flooding that began further north on the Escalante River eventually made its way downstream, with the strong flow of water finally dissipating when it reached Lake Powell. Note that this flooding began in Garfield County, with most of the rainfall also occurring in the basins further upstream.

Flash Flood in WAYNE, UTAH
From 22-AUG-11 13:00:00 to 22-AUG-11 15:00:00 (MST-7)
Location: FRUITA
Flood cause: Heavy Rain
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Park/Forest Service

Light but steady rain over Capitol Reef National Park produced flash flooding in the Grand Wash.

Flash Flood in WAYNE, UTAH
From 20-AUG-11 18:00:00 to 20-AUG-11 20:00:00 (MST-7)
Location: FRUITA
Flood cause: Heavy Rain
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Park/Forest Service

Flash flooding occurred in Capitol Reef National Park, just south of the visitors center. Doppler radar indicated rainfall estimates of about an inch of water in 3 hours time.

Flash Flood in GARFIELD, UTAH
From 22-AUG-11 13:55:00 to 22-AUG-11 15:55:00 (MST-7)
Location: ESCALANTE
Flood cause: Heavy Rain
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Park/Forest Service

Personnel from the Grand Staircase Escalante-National Monument reported flash flooding along Alvey Wash.

Lightning in GARFIELD, UTAH
From 18-AUG-11 11:25:00 to 18-AUG-11 11:25:00 (MST-7)
Location: BRYCE CANYON
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Newspaper

A 51-year-old German tourist in Bryce Canyon National Park was hiking with his family along the Rim Trail near Sunset Point, when an isolated thunderstorm moved into the area. Most of the family ran toward their car, but the man sought refuge under a large Ponderosa Pine. A bolt of lightning stuck the tree, with some of the energy being transferred to the man, and he died at the scene.

Flash Flood in GARFIELD, UTAH
From 21-AUG-11 14:05:00 to 21-AUG-11 18:05:00 (MST-7)
Location: ESCALANTE
Flood cause: Heavy Rain
Property damage: 0.00K
Crop damage: 0.00K
Reported by: County Official

Flash flooding occurred on the northern tributaries of the Escalante River, especially on North Creek and the North Fork of Birch Creek. This flooding eventually made its way down the Escalante, with a gauge along the Escalante quickly increasing to 1700 cfs. Note that flash flooding also occurred further downstream in Kane County.