Deep moisture returned to Utah on August 16th, picking up where it left off earlier in the month by causing widespread flash flooding and strong gusty winds.

Thunderstorm Wind in TOOELE, UTAH
From 18-AUG-10 23:35:00 to 18-AUG-10 23:35:00 (MST-7)
Location: (DPG)MICHAEL AAF DUG
Magnitude: 52.00 MG
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Mesonet

The Fish Springs sensor in the Dugway Proving Ground mesonet recorded a maximum wind gust of 60 mph.

Thunderstorm Wind in CACHE, UTAH
From 16-AUG-10 17:30:00 to 16-AUG-10 17:30:00 (MST-7)
Location: RICHMOND
Magnitude: 50.00 EG
Property damage: 35.00K
Crop damage: 0.00K
Reported by: Broadcast Media

Strong thunderstorm winds caused damage in Richmond, snapping trees and telephone poles.

Flash Flood in SEVIER, UTAH
From 18-AUG-10 12:00:00 to 18-AUG-10 13:00:00 (MST-7)
Location: BURRVILLE
Flood cause: Heavy Rain
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Department of Highways

Heavy rain caused a flash flood at the Ivie Creek rest area, located at mile post 87 along I-70, with water and debris flowing into the rest area.

Flash Flood in WAYNE, UTAH
From 18-AUG-10 13:10:00 to 18-AUG-10 15:10:00 (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 Grand Wash in Capitol Reef National Park, with water 6 to 8 feet deep in Grand Wash, as well as water from Grand Wash flowing across the Scenic Drive.

Flash Flood in TOOELE, UTAH
From 18-AUG-10 15:35:00 to 18-AUG-10 17:35:00 (MST-7)
Location: CLOVER
Flood cause: Heavy Rain
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Department of Highways

Heavy rain over Johnson Pass caused mud and debris to flow across Highway 199, temporarily closing the road.

Flash Flood in EMERY, UTAH
From 18-AUG-10 14:45:00 to 18-AUG-10 16:45:00 (MST-7)
Location: GREEN RIVER
Flood cause: Heavy Rain
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Department of Highways

Flash flooding was reported southwest of Green River, with rainfall of up to 5 inches recorded in the area.

Flash Flood in WASHINGTON, UTAH
From 19-AUG-10 04:30:00 to 19-AUG-10 06:30:00 (MST-7)
Location: ZION LODGE
Flood cause: Heavy Rain
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Park/Forest Service

Flash flooding occurred in the early morning hours along the North Fork of the Virgin River, with the gauge there rising from 92 cfs to 1378 cfs in one hour.

Flash Flood in WAYNE, UTAH
From 19-AUG-10 13:30:00 to 19-AUG-10 15:30:00 (MST-7)
Location: NOTOM
Flood cause: Heavy Rain
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Park/Forest Service

Flash flooding occurred along the Scenic Drive of Capitol Reef National Park, as well as the Grand Wash and several roads further south in the park.

Flash Flood in EMERY, UTAH
From 19-AUG-10 13:30:00 to 19-AUG-10 15:30:00 (MST-7)
Location: MOORE
Flood cause: Heavy Rain
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Park/Forest Service

Heavy rain caused flash flooding in Little Wild Horse Canyon, with water there estimated to be 10 feet deep. Several roads in the area were also washed out.

Thunderstorm Wind in KANE, UTAH
From 16-AUG-10 14:30:00 to 16-AUG-10 14:30:00 (MST-7)
Location: BULLFROG
Magnitude: 51.00 MG
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Mesonet

The Bullfrog Marina sensor recorded a maximum wind gust of 59 mph.

Thunderstorm Wind in TOOELE, UTAH
From 18-AUG-10 22:45:00 to 18-AUG-10 22:45:00 (MST-7)
Location: DUGWAY
Magnitude: 51.00 MG
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Mesonet

The English Village sensor in the Dugway Proving Ground mesonet recorded a wind gust of 59 mph.

Flash Flood in WAYNE, UTAH
From 19-AUG-10 12:05:00 to 19-AUG-10 13:45:00 (MST-7)
Location: FREMONT
Flood cause: Heavy Rain
Property damage: 20.00K
Crop damage: 0.00K
Reported by: Park/Forest Service

Heavy rain caused flash flooding across the northern portions of Capitol Reef National Park, including Cathedral Valley, further damaging roads that were already in disrepair from previous flash flooding. In addition, several washes east of the park were flooded, and water was flowing over SR-24.

Flash Flood in GARFIELD, UTAH
From 19-AUG-10 15:35:00 to 19-AUG-10 17:35:00 (MST-7)
Location: (U07) BULLFROG/GLEN
Flood cause: Heavy Rain
Property damage: 20.00K
Crop damage: 0.00K
Reported by: Park/Forest Service

Multiple roads at the southern end of Capitol Reef National Park were flooded and damaged, most notably the Notom-Bullfrog road.

Flash Flood in SALT LAKE, UTAH
From 19-AUG-10 11:45:00 to 19-AUG-10 13:15:00 (MST-7)
Location: CARTERS SKY RANCH AR
Flood cause: Heavy Rain / Burn Area
Property damage: 150.00K
Crop damage: 0.00K
Reported by: County Official

Heavy rain caused a debris flow from the south end of the Corner Canyon burn scar, damaging about 20 homes with mud and debris. Highland Drive was closed, and the police station, courts, and city hall were all flooded.

Flash Flood in KANE, UTAH
From 16-AUG-10 17:45:00 to 16-AUG-10 19:15:00 (MST-7)
Location: GLEN CNYN BSN ARPT
Flood cause: Heavy Rain
Property damage: 10.00K
Crop damage: 0.00K
Reported by: Park/Forest Service

Multiple slot canyons were flooded on the western edge of Glen Canyon National Recreation Area, including Coyote Gulch. Roads were impassable near Coyote Gulch and Sunset Flats, and Hole-in-the-Rock road sustained damage.

Flash Flood in GARFIELD, UTAH
From 16-AUG-10 20:00:00 to 16-AUG-10 21:30:00 (MST-7)
Location: (U07) BULLFROG/GLEN
Flood cause: Heavy Rain
Property damage: 10.00K
Crop damage: 0.00K
Reported by: Park/Forest Service

Flash flooding occurred in Twenty-five Mile Wash. In addition, roads were impassable in the surrounding area, including damage to Hole-in-the-Rock road, further north than the road was damaged earlier in the day.

Flash Flood in KANE, UTAH
From 19-AUG-10 12:00:00 to 19-AUG-10 14:00:00 (MST-7)
Location: KANAB ARPT
Flood cause: Heavy Rain
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Department of Highways

Heavy rain caused flash flooding in Buckskin Gulch, with water flowing over nearby US-89.

Flash Flood in IRON, UTAH
From 18-AUG-10 13:15:00 to 18-AUG-10 15:15:00 (MST-7)
Location: PAROWAN ARPT
Flood cause: Heavy Rain
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Department of Highways

After 1.5 to 2.0 inches of rain fell near Parowan, flash flooding occurred on SR-143, with two feet of water and debris crossing the road.

Flash Flood in GARFIELD, UTAH
From 16-AUG-10 14:00:00 to 16-AUG-10 16:00:00 (MST-7)
Location: (U07) BULLFROG/GLEN
Flood cause: Heavy Rain
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Park/Forest Service

Flash flooding occurred in numerous slot canyons in the Glen Canyon National Recreation Area, including Moody Wash, East Moody Canyon, and Middle Moody Canyon. In addition, multiple roads were made impassable due to the flooding.