Additional low and mid-level moisture moved into the state of Utah on July 14th through 16th. Organized thunderstorms formed across much of the state, producing gusty winds, large hail, and widespread flash flooding.

Thunderstorm Wind in UTAH, UTAH
From 16-JUL-12 16:15:00 to 16-JUL-12 16:30:00 (MST-7)
Location: SPANISH FORK
Magnitude: 50.00 MG
Property damage: 10.00K
Crop damage: 0.00K
Reported by: Mesonet

A sensor near Point of the Mountain, named Portable RWIS #2, recorded a maximum wind gust of 58 mph. In addition, damage was reported in the Spanish Fork area, with multiple trees and power lines blown over.

Thunderstorm Wind in JUAB, UTAH
From 16-JUL-12 15:59:00 to 16-JUL-12 15:59:00 (MST-7)
Location: NEPHI ARPT
Magnitude: 52.00 MG
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Mesonet

A sensor in Nephi, Utah recorded a maximum wind gust of 60 mph.

Hail in WASHINGTON, UTAH
From 16-JUL-12 15:30:00 to 16-JUL-12 15:30:00 (MST-7)
Location: TOQUERVILLE
Magnitude: 1.00 
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Public

A thunderstorm dropped enough hail on Hurricane, Utah to cover the ground, with an estimated maximum hail size of 1 inch in diameter.

Thunderstorm Wind in WASHINGTON, UTAH
From 16-JUL-12 15:30:00 to 16-JUL-12 15:30:00 (MST-7)
Location: LA VERKIN
Magnitude: 50.00 EG
Property damage: 3.00K
Crop damage: 0.00K
Reported by: Law Enforcement

Moderate sized tree branches were downed by thunderstorm winds in La Verkin, Utah.

Flash Flood in KANE, UTAH
From 16-JUL-12 19:00:00 to 16-JUL-12 20:00:00 (MST-7)
Location: ADAIRVILLE
Flood cause: Heavy Rain
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Trained Spotter

Flash flooding was reported along the Paria River, including where the river meets State Route 89.

Flash Flood in WASHINGTON, UTAH
From 14-JUL-12 09:05:00 to 14-JUL-12 11:00:00 (MST-7)
Location: VIRGIN
Flood cause: Heavy Rain
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Park/Forest Service

Multiple slot canyons in Zion National Park experienced flash flooding.

Flash Flood in KANE, UTAH
From 16-JUL-12 21:45:00 to 16-JUL-12 23:45:00 (MST-7)
Location: ADAIRVILLE
Flood cause: Heavy Rain
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Trained Spotter

A large flash flood occurred on Wahweap Creek and was observed as it passed through Big Water. The high water from Wahweap Creek cut off the Smokey Mountain Road.

Flash Flood in SANPETE, UTAH
From 15-JUL-12 16:00:00 to 15-JUL-12 17:00:00 (MST-7)
Location: FOUNTAIN GREEN
Flood cause: Heavy Rain / Burn Area
Property damage: 20.00K
Crop damage: 0.00K
Reported by: Other Federal Agency

An ash flow was reported after heavy rain fell over the Wood Hollow burn scar. Parts of Wood Hollow Road were washed out due to this flash flood.

Flash Flood in WASHINGTON, UTAH
From 15-JUL-12 16:20:00 to 15-JUL-12 18:20:00 (MST-7)
Location: ST GEORGE
Flood cause: Heavy Rain
Property damage: 500.00K
Crop damage: 0.00K
Reported by: County Official

Major flash flooding occurred in St. George, Utah, as heavy rain fell over the area for nearly an hour. The rain overwhelmed many of the storm drains across the city, with manhole covers popping up in a few locations, including Main Street. Water rose as high as three or four feet on some streets, and several drivers were stranded in their cars with water up to their windows. A few small landslides were reported, and mud and debris flowed onto some streets. Approximately 100 homes and a few businesses experienced at least minor damage.

Flash Flood in WASHINGTON, UTAH
From 15-JUL-12 21:00:00 to 15-JUL-12 23:00:00 (MST-7)
Location: MOTOQUA
Flood cause: Heavy Rain
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Official NWS Observations

The Beaver Dam Wash experienced a flash flood, with flow in the wash increasing from zero to 1244 cfs.

Flash Flood in WAYNE, UTAH
From 16-JUL-12 13:30:00 to 16-JUL-12 15:00:00 (MST-7)
Location: TORREY
Flood cause: Heavy Rain
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Park/Forest Service

Flash flooding occurred along Sulphur Creek in Capitol Reef National Park, impacting a section of State Route 24.

Flash Flood in WASHINGTON, UTAH
From 16-JUL-12 17:00:00 to 16-JUL-12 19:00:00 (MST-7)
Location: BLOOMINGTON
Flood cause: Heavy Rain
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Official NWS Observations

The Fort Pearce Wash experienced a large flash flood, with flows in the wash increasing from zero to 8049 cfs.

Flash Flood in WASHINGTON, UTAH
From 16-JUL-12 14:30:00 to 16-JUL-12 15:30:00 (MST-7)
Location: ZION LODGE
Flood cause: Heavy Rain
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Park/Forest Service

Numerous drainages within Zion National Park experienced flash flooding, most notably La Verkin Creek and Spry Canyon.

Flash Flood in KANE, UTAH
From 16-JUL-12 15:00:00 to 16-JUL-12 16:00:00 (MST-7)
Location: ADAIRVILLE
Flood cause: Heavy Rain
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Park/Forest Service

Flash flooding was reported in Buckskin Gulch and surrounding drainages.

Flash Flood in WASHINGTON, UTAH
From 16-JUL-12 17:00:00 to 16-JUL-12 18:00:00 (MST-7)
Location: LEEDS
Flood cause: Heavy Rain
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Trained Spotter

Flash flooding was reported in some drainages near Hurricane, Utah.