An intense Pacific low pressure system tracked across the central Rockies and plains and produced a swatch of heavy snowfall and gusty winds up to 40 mph.  Much of southeast Wyoming received significant snowfall amounts from 5 to 10 inches eastern plains, to 18 to 36 inches over the mountains.  Interstates 25 and 80 were closed due to adverse winter driving conditions.

Winter Storm in SIERRA MADRE RANGE, WYOMING
From 16-DEC-16 00:00:00 to 17-DEC-16 02:00:00 (MST-7)
Property damage: 0.00K
Crop damage: 0.00K
Reported by: SNOTEL

The Sandstone Ranger Station SNOTEL site (elevation 8150 ft) estimated 18 inches of snow.

Winter Storm in SIERRA MADRE RANGE, WYOMING
From 16-DEC-16 00:00:00 to 17-DEC-16 02:00:00 (MST-7)
Property damage: 0.00K
Crop damage: 0.00K
Reported by: SNOTEL

The Old Battle SNOTEL site (elevation 10000 ft) estimated 30 inches of snow.

Winter Storm in SIERRA MADRE RANGE, WYOMING
From 16-DEC-16 00:00:00 to 17-DEC-16 02:00:00 (MST-7)
Property damage: 0.00K
Crop damage: 0.00K
Reported by: SNOTEL

The Sage Creek Basin SNOTEL site (elevation 7850 ft) estimated a foot of snow.

Winter Storm in SIERRA MADRE RANGE, WYOMING
From 16-DEC-16 00:00:00 to 17-DEC-16 02:00:00 (MST-7)
Property damage: 0.00K
Crop damage: 0.00K
Reported by: SNOTEL

The Divide Peak SNOTEL site (elevation 8880 ft) estimated 19.5 inches of snow.

Winter Storm in SIERRA MADRE RANGE, WYOMING
From 16-DEC-16 00:00:00 to 17-DEC-16 02:00:00 (MST-7)
Property damage: 0.00K
Crop damage: 0.00K
Reported by: SNOTEL

The Whiskey Park SNOTEL site (elevation 8950 ft) estimated 13 inches of snow.

Winter Storm in SNOWY RANGE, WYOMING
From 16-DEC-16 00:00:00 to 17-DEC-16 02:00:00 (MST-7)
Property damage: 0.00K
Crop damage: 0.00K
Reported by: SNOTEL

The Cinnabar Park SNOTEL site (elevation 9574 ft) estimated 15 inches of snow.

Winter Storm in SNOWY RANGE, WYOMING
From 16-DEC-16 00:00:00 to 17-DEC-16 02:00:00 (MST-7)
Property damage: 0.00K
Crop damage: 0.00K
Reported by: SNOTEL

The Medicine Bow SNOTEL site (elevation 10500 ft) estimated 21 inches of snow.

Winter Storm in NORTH LARAMIE RANGE, WYOMING
From 16-DEC-16 00:00:00 to 17-DEC-16 02:00:00 (MST-7)
Property damage: 0.00K
Crop damage: 0.00K
Reported by: SNOTEL

The Windy Peak SNOTEL site (elevation 7900 ft) estimated 18 inches of snow.

Winter Storm in NORTH LARAMIE RANGE, WYOMING
From 16-DEC-16 00:00:00 to 17-DEC-16 02:00:00 (MST-7)
Property damage: 0.00K
Crop damage: 0.00K
Reported by: SNOTEL

The La Prele Creek SNOTEL site (elevation 8375 ft) estimated 18 inches of snow.

Winter Storm in NIOBRARA COUNTY, WYOMING
From 16-DEC-16 00:00:00 to 17-DEC-16 02:00:00 (MST-7)
Property damage: 0.00K
Crop damage: 0.00K
Reported by: COOP Observer

Six inches of snow was measured 11 miles north-northeast of Lance Creek.

Winter Storm in NIOBRARA COUNTY, WYOMING
From 16-DEC-16 00:00:00 to 17-DEC-16 02:00:00 (MST-7)
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Law Enforcement

Six inches of snow was reported at Lusk.

Winter Storm in NORTH SNOWY RANGE FOOTHILLS, WYOMING
From 16-DEC-16 00:00:00 to 17-DEC-16 02:00:00 (MST-7)
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Department of Highways

Four to six inches of snow was reported.  Interstate 80 between Laramie and Walcott Junction was closed due to adverse winter conditions.

Winter Storm in SHIRLEY BASIN, WYOMING
From 16-DEC-16 00:00:00 to 17-DEC-16 02:00:00 (MST-7)
Property damage: 0.00K
Crop damage: 0.00K
Reported by: COOP Observer

Eight inches of snow was measured at Shirley Basin.

Winter Storm in CENTRAL LARAMIE RANGE AND SOUTHWEST PLATTE COUNTY, WYOMING
From 16-DEC-16 00:00:00 to 17-DEC-16 02:00:00 (MST-7)
Property damage: 0.00K
Crop damage: 0.00K
Reported by: CoCoRaHS

Eight inches of snow was measured 20 miles southwest of Wheatland.

Winter Storm in EAST PLATTE COUNTY, WYOMING
From 16-DEC-16 00:00:00 to 17-DEC-16 02:00:00 (MST-7)
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Law Enforcement

Six inches of snow was reported at Wheatland.  A semi jackknifed at Interstate 25 mile post 100.

Winter Storm in EAST PLATTE COUNTY, WYOMING
From 16-DEC-16 00:00:00 to 17-DEC-16 02:00:00 (MST-7)
Property damage: 0.00K
Crop damage: 0.00K
Reported by: COOP Observer

Eight inches of snow was measured 12 miles south-southwest of Glendo.

Winter Storm in EAST PLATTE COUNTY, WYOMING
From 16-DEC-16 00:00:00 to 17-DEC-16 02:00:00 (MST-7)
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Public

Seven inches of snow was reported at Chugwater.

Winter Storm in GOSHEN COUNTY, WYOMING
From 16-DEC-16 00:00:00 to 17-DEC-16 02:00:00 (MST-7)
Property damage: 0.00K
Crop damage: 0.00K
Reported by: CoCoRaHS

Six inches of snow was measured two miles northwest of Fort Laramie.

Winter Storm in SIERRA MADRE RANGE, WYOMING
From 16-DEC-16 00:00:00 to 17-DEC-16 02:00:00 (MST-7)
Property damage: 0.00K
Crop damage: 0.00K
Reported by: SNOTEL

The Webber Springs SNOTEL site (elevation 9250 ft) estimated 26 inches of snow.

Winter Storm in SIERRA MADRE RANGE, WYOMING
From 16-DEC-16 00:00:00 to 17-DEC-16 02:00:00 (MST-7)
Property damage: 0.00K
Crop damage: 0.00K
Reported by: SNOTEL

The Blackhall Mountain SNOTEL site (elevation 9820 ft) estimated 30 inches of snow.

Winter Storm in SNOWY RANGE, WYOMING
From 16-DEC-16 00:00:00 to 17-DEC-16 02:00:00 (MST-7)
Property damage: 0.00K
Crop damage: 0.00K
Reported by: SNOTEL

The South Brush Creek SNOTEL site (elevation 8440 ft) estimated 15 inches of snow.

Winter Storm in SNOWY RANGE, WYOMING
From 16-DEC-16 00:00:00 to 17-DEC-16 02:00:00 (MST-7)
Property damage: 0.00K
Crop damage: 0.00K
Reported by: SNOTEL

The North French Creek SNOTEL site (elevation 10130 ft) estimated 36 inches of snow.

Winter Storm in SNOWY RANGE, WYOMING
From 16-DEC-16 00:00:00 to 17-DEC-16 02:00:00 (MST-7)
Property damage: 0.00K
Crop damage: 0.00K
Reported by: SNOTEL

The Sand Lake SNOTEL site (elevation 10050 ft) estimated 16.5 inches of snow.

Winter Storm in SNOWY RANGE, WYOMING
From 16-DEC-16 00:00:00 to 17-DEC-16 02:00:00 (MST-7)
Property damage: 0.00K
Crop damage: 0.00K
Reported by: SNOTEL

The Brooklyn Lake SNOTEL site (elevation 10240 ft) estimated 19.5 inches of snow.

Winter Storm in SIERRA MADRE RANGE, WYOMING
From 16-DEC-16 00:00:00 to 17-DEC-16 02:00:00 (MST-7)
Property damage: 0.00K
Crop damage: 0.00K
Reported by: SNOTEL

The Little Snake River SNOTEL site (elevation 8915 ft) estimated 36 inches of snow.

Winter Storm in CONVERSE COUNTY LOWER ELEVATIONS, WYOMING
From 16-DEC-16 00:00:00 to 17-DEC-16 02:00:00 (MST-7)
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Law Enforcement

Four to six inches of snow was reported, heaviest to the south of Douglas and Glenrock.