An active monsoon surge brought several back-to-back days of thunderstorms producing heavy rain, damaging wind gusts, and hail across the state.

Flash Flood in WAYNE, UTAH
From 13-JUL-21 14:05:00 to 13-JUL-21 16:05:00 (MST-7)
Location: TORREY
Flood cause: Heavy Rain
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Park/Forest Service

Capitol Reef National Park officials reported flash flooding in a dry wash leading into Sulphur Creek from upstream heavy rainfall. The water level on Sulphur Creek near the Visitor center rose 2 feet.

Thunderstorm Wind in UTAH, UTAH
From 13-JUL-21 12:30:00 to 13-JUL-21 12:30:00 (MST-7)
Location: SPANISH FORK
Magnitude: 50.00 EG
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Broadcast Media

A large tree was blown down.

Thunderstorm Wind in TOOELE, UTAH
From 13-JUL-21 14:00:00 to 13-JUL-21 14:00:00 (MST-7)
Location: (DPG)MICHAEL AAF DUG
Magnitude: 53.00 MG
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Mesonet

The Tower Grid Dugway automated weather station recorded a peak wind gust of 63 mph.

Thunderstorm Wind in TOOELE, UTAH
From 13-JUL-21 14:05:00 to 13-JUL-21 14:05:00 (MST-7)
Location: (DPG)MICHAEL AAF DUG
Magnitude: 51.00 MG
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Mesonet

The Simpson Springs automated weather station recorded a peak wind gust of 59 mph.

Thunderstorm Wind in TOOELE, UTAH
From 13-JUL-21 14:15:00 to 13-JUL-21 14:15:00 (MST-7)
Location: (DPG)MICHAEL AAF DUG
Magnitude: 55.00 MG
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Mesonet

The Camel Back Mountain automated weather station recorded a peak wind gust of 63 mph.

Thunderstorm Wind in WASHINGTON, UTAH
From 13-JUL-21 21:04:00 to 13-JUL-21 21:04:00 (MST-7)
Location: LEEDS
Magnitude: 53.00 MG
Property damage: 0.00K
Crop damage: 0.00K
Reported by: RAWS

The White Reef automated weather station recorded a peak wind gust of 61 mph.

Hail in IRON, UTAH
From 14-JUL-21 15:45:00 to 14-JUL-21 15:45:00 (MST-7)
Location: ENOCH
Magnitude: 1.00 
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Public

Quarter-sized was reported via social media.

Flash Flood in IRON, UTAH
From 14-JUL-21 16:00:00 to 14-JUL-21 18:00:00 (MST-7)
Location: ENOCH
Flood cause: Heavy Rain
Property damage: 270.00K
Crop damage: 0.00K
Reported by: Emergency Manager

Nine homes were damaged from flooding and debris flows due to heavy rain in the Enoch and Summit areas.

Flash Flood in GARFIELD, UTAH
From 14-JUL-21 16:00:00 to 14-JUL-21 18:00:00 (MST-7)
Location: BOULDER
Flood cause: Heavy Rain
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Park/Forest Service

Grand Staircase-Escalante National Monument officials reported flash flooding occurred on Calf Creek, with significant debris washed over the waterfalls. Flash flooding was also reported on Egypt Road and in the Egypt slot canyons along Hole-In-The-Rock Road.

Thunderstorm Wind in BEAVER, UTAH
From 14-JUL-21 18:25:00 to 14-JUL-21 18:25:00 (MST-7)
Location: NEWHOUSE
Magnitude: 57.00 MG
Property damage: 0.00K
Crop damage: 0.00K
Reported by: RAWS

The Brimstone Reservoir automated weather station recorded a peak wind gust of 66 mph.

Thunderstorm Wind in WASHINGTON, UTAH
From 14-JUL-21 19:03:00 to 14-JUL-21 19:03:00 (MST-7)
Location: VEYO
Magnitude: 56.00 EG
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Law Enforcement

Power lines were reported down in Veyo.

Thunderstorm Wind in WASHINGTON, UTAH
From 14-JUL-21 19:24:00 to 14-JUL-21 19:24:00 (MST-7)
Location: SANTA CLARA
Magnitude: 56.00 EG
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Law Enforcement

Power lines were downed in Santa Clara, with power outages occurring. Trees were blown over on Lava Flow Street.

Flood in WASHINGTON, UTAH
From 14-JUL-21 19:50:00 to 14-JUL-21 19:50:00 (MST-7)
Location: ST GEORGE
Flood cause: Heavy Rain
Property damage: 100.00K
Crop damage: 0.00K
Reported by: Law Enforcement

Deep water was reported along South River Road in St. George, along with a stalled vehicle in the water. Some basement flooding occurred as well.

Thunderstorm Wind in WASHINGTON, UTAH
From 14-JUL-21 19:38:00 to 14-JUL-21 19:38:00 (MST-7)
Location: (SGU)ST GEORGE MUNI
Magnitude: 61.00 EG
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Law Enforcement

Skylights were torn off a roof in St. George.

Thunderstorm Wind in WASHINGTON, UTAH
From 14-JUL-21 19:56:00 to 14-JUL-21 19:56:00 (MST-7)
Location: WASHINGTON
Magnitude: 56.00 EG
Property damage: 5.00K
Crop damage: 0.00K
Reported by: Law Enforcement

Power lines were reported down in Washington.

Thunderstorm Wind in TOOELE, UTAH
From 15-JUL-21 15:15:00 to 15-JUL-21 15:15:00 (MST-7)
Location: (DPG)MICHAEL AAF DUG
Magnitude: 54.00 MG
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Mesonet

The Salt Flats automated weather station recorded a peak wind gust of 62 mph.

Thunderstorm Wind in TOOELE, UTAH
From 15-JUL-21 16:00:00 to 15-JUL-21 16:00:00 (MST-7)
Location: WENDOVER AF AUX ARPT
Magnitude: 60.00 MG
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Department of Highways

The Wendover Port of Entry automated weather station recorded a peak wind gust of 69 mph.

Thunderstorm Wind in TOOELE, UTAH
From 15-JUL-21 16:30:00 to 15-JUL-21 16:30:00 (MST-7)
Location: (DPG)MICHAEL AAF DUG
Magnitude: 50.00 MG
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Mesonet

The Romeo and Centerline automated weather stations both recorded peak wind gusts of 58 mph.

Thunderstorm Wind in TOOELE, UTAH
From 15-JUL-21 16:20:00 to 15-JUL-21 16:20:00 (MST-7)
Location: ARINOSA
Magnitude: 50.00 MG
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Mesonet

The Arnosa Union Pacific Railroad Automated weather station recorded recorded a peak wind gust of 58 mph.

Thunderstorm Wind in TOOELE, UTAH
From 15-JUL-21 16:40:00 to 15-JUL-21 16:40:00 (MST-7)
Location: (DPG)MICHAEL AAF DUG
Magnitude: 50.00 MG
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Mesonet

The Upper Cedar Mountain automated weather station recorded a peak wind gust of 58 mph.

Flash Flood in IRON, UTAH
From 15-JUL-21 21:10:00 to 15-JUL-21 22:45:00 (MST-7)
Location: LUND
Flood cause: Heavy Rain
Property damage: 1.00M
Crop damage: 0.00K
Reported by: Broadcast Media

Flash flooding near Lund derailed a Union Pacific Railroad train, forcing 14 cars off of the tracks. Train tracks were determined to be washed out at a small bridge crossing over a normally dry wash. After the train derailed, injured train operators were trapped on top of the overturned train as flood waters continued to rise. In addition, emergency responders were washed off of the road to the crash site by the flood waters, delaying response to the injured train operators.

Flash Flood in WASHINGTON, UTAH
From 16-JUL-21 01:00:00 to 16-JUL-21 05:30:00 (MST-7)
Location: ZION NATIONAL PARK
Flood cause: Heavy Rain
Property damage: 0.00K
Crop damage: 0.00K
Reported by: River/Stream Gage

The North Fork of the Virgin River jumped to 180 CFS, a rise of 1.5 feet, after heavy rainfall over the headwaters overnight.

Flash Flood in KANE, UTAH
From 16-JUL-21 13:00:00 to 16-JUL-21 13:30:00 (MST-7)
Location: GLEN CNYN BSN ARPT
Flood cause: Heavy Rain
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Park/Forest Service

Kodachrome Basin State Park officials reported brief flash flooding of washes within the Park, including at the campground at the north end of the park.

Thunderstorm Wind in MILLARD, UTAH
From 16-JUL-21 15:49:00 to 16-JUL-21 15:49:00 (MST-7)
Location: PUMICE
Magnitude: 57.00 MG
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Mesonet

The Black Rock Union Pacific Railroad automated weather station recorded a peak wind gust of 66 mph.

Thunderstorm Wind in TOOELE, UTAH
From 16-JUL-21 16:00:00 to 16-JUL-21 16:00:00 (MST-7)
Location: (DPG)MICHAEL AAF DUG
Magnitude: 61.00 MG
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Mesonet

The Camelback Mountain Dugway automated weather station recorded a peak wind gust of 70 mph.

Flash Flood in GARFIELD, UTAH
From 14-JUL-21 18:30:00 to 14-JUL-21 20:30:00 (MST-7)
Location: BOULDER
Flood cause: Heavy Rain
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Park/Forest Service

Grand Staircase-Escalante National Monument officials reported flash flooding on Harris Wash. The flooding occurred later as peak flow worked around from Alvy Wash into Harris Wash. Also, the Escalante River gauge near Escalante indicated a 702 CFS flood wave, with a time above 300 CFS from 1845 MDT to 2015 MDT.

Tornado in JUAB, UTAH
From 13-JUL-21 13:40:00 to 13-JUL-21 13:45:00 (MST-7)
Location: MONA
Tornado F-scale: EFU
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Public

LANDSPOUT. Public video showed a landspout tornado associated with a rain shower near Mona.

Tornado in EMERY, UTAH
From 14-JUL-21 16:15:00 to 14-JUL-21 16:20:00 (MST-7)
Location: HUNTINGTON
Tornado F-scale: EFU
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Broadcast Media

LANDSPOUT. A video and photos of a landspout tornado near Hungtington was sent to local broadcast media near Huntington.

Thunderstorm Wind in TOOELE, UTAH
From 15-JUL-21 16:00:00 to 15-JUL-21 16:00:00 (MST-7)
Location: WENDOVER AF AUX ARPT
Magnitude: 53.00 MG
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Department of Highways

The Interstate 80 at Milepost 2 Tripod automated weather station recorded a peak wind gust of 61 mph.

Thunderstorm Wind in BOX ELDER, UTAH
From 12-JUL-21 15:00:00 to 12-JUL-21 15:00:00 (MST-7)
Location: CURLEW JCT
Magnitude: 50.00 MG
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Department of Highways

The State Route 30 at Curlew Junction automated weather station recorded a peak wind gust of 58 mph.