Isolated high-based thunderstorms developed across Utah on the evening of June 19, and then scattered thunderstorms developed on the afternoon of June 20. Most of these storms produced little rainfall, and the stronger storms over primarily  northern Utah created strong microburst winds.

Thunderstorm Wind in RICH, UTAH
From 20-JUN-17 17:30:00 to 20-JUN-17 17:30:00 (MST-7)
Location: GARDEN CITY
Magnitude: 39.00 MG
Property damage: 2.00K
Crop damage: 0.00K
Reported by: Social Media

A maximum wind gust of 45 mph was recorded at the Bear Lake sensor. Wind damage was reported near Bear Lake and in Garden City, including large tree limbs that were damaged and roof shingles that were blown off of a house.

Thunderstorm Wind in WASATCH, UTAH
From 20-JUN-17 17:20:00 to 20-JUN-17 17:40:00 (MST-7)
Location: CHARLESTON
Magnitude: 56.00 MG
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Mesonet

The sensor at US-189 at Deer Creek Dam reported a peak wind gust of 64 mph.

Thunderstorm Wind in TOOELE, UTAH
From 20-JUN-17 14:35:00 to 20-JUN-17 15:40:00 (MST-7)
Location: GOLD HILL
Magnitude: 63.00 MG
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Mesonet

Many sensors in the U.S. Army Dugway Proving Ground mesonet recorded strong winds from a thunderstorm, including 73 mph at Causeway, 63 mph at Upper Cedar Mountain, 62 mph at the APG sensor, 61 mph at Playa Station and V-Grid, 60 mph at the Salt Flats sensor, and 58 mph at Wig Mountain.

Thunderstorm Wind in DUCHESNE, UTAH
From 20-JUN-17 19:35:00 to 20-JUN-17 19:35:00 (MST-7)
Location: IOKA
Magnitude: 55.00 MG
Property damage: 0.00K
Crop damage: 0.00K
Reported by: AWOS

A maximum wind gust of 63 mph was recorded at the Roosevelt Municipal Airport AWOS.

Thunderstorm Wind in TOOELE, UTAH
From 20-JUN-17 14:05:00 to 20-JUN-17 14:05:00 (MST-7)
Location: GOLD HILL
Magnitude: 50.00 MG
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Mesonet

The Callao sensor in the U.S. Army Dugway Proving Ground mesonet recorded a wind gust of 58 mph.

Thunderstorm Wind in TOOELE, UTAH
From 19-JUN-17 19:20:00 to 19-JUN-17 19:20:00 (MST-7)
Location: BARRO
Magnitude: 81.00 MG
Property damage: 1.00K
Crop damage: 0.00K
Reported by: Department of Highways

A maximum wind gust of 93 mph was recorded by the I-80 @ mp 29 sensor. The Utah Department of Transportation reported that a variable message sign at milepost 29 was blown down.

Thunderstorm Wind in TOOELE, UTAH
From 20-JUN-17 15:15:00 to 20-JUN-17 15:20:00 (MST-7)
Location: BARRO
Magnitude: 51.00 MG
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Mesonet

Multiple sensors along Interstate 80 recorded strong wind gusts, including 59 mph at the      U.S. Army Dugway Proving Ground Interstate 80 sensor and 58 mph at the I-80 @ mp 29 sensor.

Thunderstorm Wind in BEAVER, UTAH
From 20-JUN-17 13:00:00 to 20-JUN-17 13:05:00 (MST-7)
Location: (MLF)MILFORD MUNI AR
Magnitude: 53.00 MG
Property damage: 0.00K
Crop damage: 0.00K
Reported by: ASOS

The ASOS at the Milford Municipal Airport/Ben and Judy Briscoe Field recorded a peak wind gust of 61 mph.

Thunderstorm Wind in BOX ELDER, UTAH
From 20-JUN-17 16:00:00 to 20-JUN-17 16:00:00 (MST-7)
Location: SNOWVILLE
Magnitude: 51.00 MG
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Mesonet

A peak wind gust of 59 mph was recorded at the Chaulk Hill sensor.

Thunderstorm Wind in TOOELE, UTAH
From 20-JUN-17 16:15:00 to 20-JUN-17 16:45:00 (MST-7)
Location: PEHRSON STATION
Magnitude: 70.00 MG
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Mesonet

The Vernon Hill sensor recorded a maximum wind gust of 80 mph.