Showers and thunderstorms erupted during the afternoon hours and moved across the lower elevations of western Wyoming. Unseasonably hot weather, a very dry lower atmosphere, and gradient winds from the south and southwest set the stage for microbursts occurring with even weak rain showers. Temperature-dew point spreads were around 60 degrees during the afternoon.

Thunderstorm Wind in FREMONT, WYOMING
From 28-MAY-14 12:52:00 to 28-MAY-14 12:52:00 (MST-7)
Location: MILFORD
Magnitude: 54.00 MG
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Mesonet

A wind gust to 62 mph was recorded at a ranch on the North Fork of the Popo Agie River west of Milford.

Thunderstorm Wind in SWEETWATER, WYOMING
From 28-MAY-14 16:15:00 to 28-MAY-14 16:15:00 (MST-7)
Location: GREEN RIVER
Magnitude: 52.00 EG
Property damage: 3.00K
Crop damage: 0.00K
Reported by: Emergency Manager

Several power poles were reported down west-northwest of Green River toward State Highway 372. The wind gusts were associated with weak convection and not a thunderstorm.

Thunderstorm Wind in WASHAKIE, WYOMING
From 28-MAY-14 15:01:00 to 28-MAY-14 15:01:00 (MST-7)
Location: (WRL)WORLAND MUNI AR
Magnitude: 56.00 MG
Property damage: 0.00K
Crop damage: 0.00K
Reported by: ASOS

The ASOS at the Worland Airport reported a wind gust of 65 mph from a weak shower sweeping northeast.

Thunderstorm Wind in SWEETWATER, WYOMING
From 28-MAY-14 21:45:00 to 28-MAY-14 21:55:00 (MST-7)
Location: ROCK SPGS
Magnitude: 56.00 EG
Property damage: 5.00K
Crop damage: 0.00K
Reported by: Newspaper

Microburst winds caused damage in a broad area of central Rock Springs just prior to 2200MST. Siding was torn from the side of one home, another had an exterior door and window broken, and there were numerous reports of broken tree limbs.

Thunderstorm Wind in BIG HORN, WYOMING
From 28-MAY-14 14:48:00 to 28-MAY-14 14:48:00 (MST-7)
Location: HYATTVILLE
Magnitude: 52.00 EG
Property damage: 1.00K
Crop damage: 0.00K
Reported by: Park/Forest Service

Thunderstorm outflow toppled two large trees at Medicine Lodge State Archaeological Site. The falling trees damaged a fence and narrowly missed a small cabin on the property.

Thunderstorm Wind in SWEETWATER, WYOMING
From 28-MAY-14 16:50:00 to 28-MAY-14 16:50:00 (MST-7)
Location: RELIANCE
Magnitude: 56.00 EG
Property damage: 15.00K
Crop damage: 0.00K
Reported by: Emergency Manager

A large roof section was torn from a home in the small community of Reliance north of Rock Springs. Strong wind also toppled a utility pole and did damage to a nearby fence. Weak convection was responsible for the wind gust, as there was no thunderstorm in the area.

Thunderstorm Wind in JOHNSON, WYOMING
From 28-MAY-14 16:55:00 to 28-MAY-14 16:55:00 (MST-7)
Location: BUFFALO ARPT
Magnitude: 50.00 MG
Property damage: 0.00K
Crop damage: 0.00K
Reported by: ASOS

A wind gust of 58 mph was recorded at the Johnson County Airport in Buffalo. Weak convection lacking any lightning was responsible for the wind gust.

Thunderstorm Wind in FREMONT, WYOMING
From 28-MAY-14 15:54:00 to 28-MAY-14 15:54:00 (MST-7)
Location: (LND)HUNT FLD LANDER
Magnitude: 52.00 MG
Property damage: 0.00K
Crop damage: 0.00K
Reported by: ASOS

The peak wind reached 60 mph on the ASOS at Lander Hunt Field. The wind was associated with weak convection.