A push of monsoonal moisture resulted in sporadic flash flooding and isolated microbursts for the end of the month of July.

Debris Flow in WASHINGTON, UTAH
From 28-JUL-22 09:20:00 to 28-JUL-22 11:20:00 (MST-7)
Location: SHIVWITS
Flood cause: Heavy Rain / Burn Area
Property damage: 1.00K
Crop damage: 0.00K
Reported by: NWS Employee

An Incident Meteorologist deployed to the Dodge Springs Fire reported a mudflow over Gunlock Road south of Gunlock Reservoir.

Thunderstorm Wind in CACHE, UTAH
From 28-JUL-22 20:10:00 to 28-JUL-22 20:10:00 (MST-7)
Location: SMITHFIELD
Magnitude: 51.00 MG
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Mesonet

The PacifiCorp Crow Mountain mesnonet station measured a wind gust of 59 mph at 8:10 pm MST as a result of nearby thunderstorms.

Thunderstorm Wind in BOX ELDER, UTAH
From 28-JUL-22 21:40:00 to 28-JUL-22 21:40:00 (MST-7)
Location: PLYMOUTH
Magnitude: 59.00 MG
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Department of Highways

The Utah Department of Transportation I-15 @ Plymouth mesonet station measured a wind gust of 68 mph at 9:40 pm MST as a result of outflow from nearby thunderstorms.

Thunderstorm Wind in WASHINGTON, UTAH
From 28-JUL-22 17:40:00 to 28-JUL-22 17:40:00 (MST-7)
Location: HURRICANE ARPT
Magnitude: 59.00 MG
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Department of Highways

The Utah Department of Transportation SR-7 at MP 19.5 Sand Hollow mesonet station measured a wind gust of 68 mph at 5:40 pm MST as a result of a nearby microburst's outflow.

Flash Flood in WASHINGTON, UTAH
From 29-JUL-22 17:09:00 to 29-JUL-22 18:09:00 (MST-7)
Location: SPRINGDALE
Flood cause: Heavy Rain
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Park/Forest Service

Rangers at Zion National Park reported flash flooding in Pine Creek and side canyons off of Bridge Mountain due to excessive rainfall in the region.

Flash Flood in KANE, UTAH
From 29-JUL-22 21:40:00 to 29-JUL-22 22:40:00 (MST-7)
Location: PARIA
Flood cause: Heavy Rain
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Other Federal Agency

Heavy rain in portions of the headwaters region of the Paria River resulted in a flow downstream. The Paria River Near Kanab, Utah gauge indicated a rise from 5 CFS to over 520 CFS in a span of 10 minutes, and peaked at 842 CFS, with a rise of over 2 feet.

Flash Flood in WASHINGTON, UTAH
From 30-JUL-22 19:51:00 to 30-JUL-22 20:51:00 (MST-7)
Location: ROCKVILLE
Flood cause: Heavy Rain
Property damage: 1.00K
Crop damage: 0.00K
Reported by: State Official

Thunderstorms produced heavy rainfall over the high terrain near the town of Hildale over the course of an hour, with Multi-Radar/Multi-Sensor 1-hour estimates of around 1 to 1.5 inches of rainfall. Light to moderate rain persisted for 2 to 3 hours thereafter. The rainfall resulted in a strong flow in Short Creek through Hildale and on into Colorado City. Dispatch from Colorado City reported all street crossings across the creek were closed due to flooding, and 3 feet of fast moving water was reported to be flowing across Hildale Street.

Debris Flow in IRON, UTAH
From 28-JUL-22 14:30:00 to 28-JUL-22 16:30:00 (MST-7)
Location: SUMMIT
Flood cause: Heavy Rain / Burn Area
Property damage: 3.50K
Crop damage: 0.00K
Reported by: Department of Highways

Thunderstorms produced heavy rainfall north of Brian Head, with 3-hour Multi-Radar/Multi-Sensor rainfall estimates of around 1 to 2.5 inches. This resulted in debris flows over state Route 143 between mileposts 11 and 13, and closure of the road. Additional reports from the public and media reported debris was up to 7 feet deep in spots.

Debris Flow in UTAH, UTAH
From 28-JUL-22 12:25:00 to 28-JUL-22 14:25:00 (MST-7)
Location: MILL FORK
Flood cause: Heavy Rain / Burn Area
Property damage: 3.50K
Crop damage: 0.00K
Reported by: County Official

Thunderstorms produced heavy precipitation over the Tank Hollow Fire burn scar, with 1-hour Multi-Radar/Multi-Sensor estimates of 1.5 to 2.5 inches of rain. Associated with this, the Dispatch Center in the city of Price reported running water and debris along U.S. Highway 6 from mileposts 197 to 198. It was further reported that dirt and mud was a foot deep, with tree trunks and logs 8 to 10 inches in diameter included in the debris.