Winter Weather in Wyoming, October 5 to 6, 2012

Name: Winter Weather in Wyoming, October 5 to 6, 2012
Start: 2012-10-05T06:00
End: 2012-10-06T11:00
Location: Wyoming

October 5 to 6, 2012 · NWS CYS · 26 events in 13 counties and zones

A series of upper level disturbances moved across southeast Wyoming and produced the first winter event for the season. Generally two to four inches of snow was reported, mainly on grassy areas.

Where it happened

Every event with a place to put it; 26 filed by county or forecast zone are drawn at its center, in a lighter ring. Tap one for its entry below.

Tornadoes
Tropical storms and surge
Floods
Wind
Hail
Winter weather
Heat and drought
Cold
Fire, smoke and dust
Marine and coastal
Other

Open the live radar over this ground

The toll

Deaths: 0
Injuries: 0
Property damage: None recorded
Crop damage: None recorded
Events: 26

Deaths and injuries are direct and indirect together, as the offices filed them. Damage is property and crops in the dollars of the year, not adjusted for inflation, and only where an office estimated it.

What happened

The episode as NWS CYS wrote it up.

A series of upper level disturbances moved across southeast Wyoming and produced the first winter event for the season. Generally two to four inches of snow was reported, mainly on grassy areas.

The radar

The national radar mosaic for the moment the first event began.

Open the radar archive at this moment

Event by event

26 winter weather. Local standard time, as filed.

Winter Weather, Goshen County

When: October 5, 6:00 AM MST
Where: Goshen County forecast zone
Reported by: Trained Spotter
Coordinates: 42.088, -104.353 (the zone’s center; the record gives no point)

A trained spotter 29 N of Torrington reported 1 inch of snow with .05 liquid equivalent.

Winter Weather, Niobrara County

When: October 5, 8:30 AM MST
Where: Niobrara County forecast zone
Reported by: 911 Call Center
Coordinates: 43.057, -104.475 (the zone’s center; the record gives no point)

The 911 Call Center in Lusk reported 3 to 4 inches of total snowfall.

Winter Weather, North Laramie Range

When: October 6, 1:00 AM MST to 5:00 AM MST
Where: North Laramie Range forecast zone
Reported by: SNOTEL
Coordinates: 42.253, -105.399 (the zone’s center; the record gives no point)

Estimated snowfall of 1 to 2 inches from the La Prele SNOTEL at 8375 feet.

Winter Weather, North Laramie Range

When: October 6, 4:00 AM MST to 5:00 AM MST
Where: North Laramie Range forecast zone
Reported by: SNOTEL
Coordinates: 42.253, -105.399 (the zone’s center; the record gives no point)

Estimated snowfall of 1 to 2 inches from the Windy Peak SNOTEL at 7900 feet.

Winter Weather, Goshen County

When: October 6, 4:00 AM MST
Where: Goshen County forecast zone
Reported by: COOP Observer
Coordinates: 42.088, -104.353 (the zone’s center; the record gives no point)

A COOP observer in Fort Laramie reported one inch of snow with a 24 hour water equivalent of 0.11.

Winter Weather, Goshen County

When: October 6, 6:00 AM MST
Where: Goshen County forecast zone
Reported by: Trained Spotter
Coordinates: 42.088, -104.353 (the zone’s center; the record gives no point)

A trained spotter reported one inch of snow with a 24 water equivalent of 0.06.

Winter Weather, Converse County Lower Elevations

When: October 6, 6:00 AM MST
Where: Converse County Lower Elevations forecast zone
Reported by: CoCoRaHS
Coordinates: 42.972, -105.507 (the zone’s center; the record gives no point)

A CoCoRAHS observer located 4 WSW of Douglas reported 3 to 4 inches of snow with a 24 hour water equivalent of 0.23.

Winter Weather, Central Laramie County

When: October 6, 6:00 AM MST
Where: Central Laramie County forecast zone
Reported by: CoCoRaHS
Coordinates: 41.307, -104.690 (the zone’s center; the record gives no point)

A CoCoRAHS observer located 5 W of Cheyenne reported 3 inches of snow with a 24 water equivalent of 0.14.

Winter Weather, Central Laramie Range and Southwest Platte County

When: October 6, 6:00 AM MST
Where: Central Laramie Range and Southwest Platte County forecast zone
Reported by: CoCoRaHS
Coordinates: 41.698, -105.127 (the zone’s center; the record gives no point)

A CoCoRAHS observer located 20 SW Wheatland reported 2 to 3 inches of snow with a 24 hour water equivalent of 0.13.

Winter Weather, Laramie Valley

When: October 6, 6:00 AM MST
Where: Laramie Valley forecast zone
Reported by: CoCoRaHS
Coordinates: 41.655, -105.724 (the zone’s center; the record gives no point)

A CoCoRAHS observer located 10 WSW Rock River reported 2 inches of snow with a 24 hour water equivalent of 0.13.

Winter Weather, Shirley Basin

When: October 6, 6:00 AM MST
Where: Shirley Basin forecast zone
Reported by: CoCoRaHS
Coordinates: 41.675, -106.327 (the zone’s center; the record gives no point)

A CoCoRAHS observer located in Medicine Bow reported 2 inches of snow with a 24 hour water equivalent of 0.07.

Winter Weather, Goshen County

When: October 6, 6:00 AM MST
Where: Goshen County forecast zone
Reported by: CoCoRaHS
Coordinates: 42.088, -104.353 (the zone’s center; the record gives no point)

A CoCoRAHS observer located 4 ESE La Grange reported 2 to 3 inches of snow with a 24 hour water equivalent of 0.09.

Winter Weather, South Laramie Range

When: October 6, 6:00 AM MST
Where: South Laramie Range forecast zone
Reported by: COOP Observer
Coordinates: 41.481, -105.207 (the zone’s center; the record gives no point)

A COOP observer located 5 SE Buford reported 1 to 2 inches of snow.

Winter Weather, East Platte County

When: October 6, 7:00 AM MST
Where: East Platte County forecast zone
Reported by: COOP Observer
Coordinates: 42.133, -104.966 (the zone’s center; the record gives no point)

A COOP observer in Chugwater reported 2 to 3 inches of snow with a 24 water equivalent of 0.24.

Winter Weather, Goshen County

When: October 6, 7:00 AM MST
Where: Goshen County forecast zone
Reported by: Public
Coordinates: 42.088, -104.353 (the zone’s center; the record gives no point)

The public reported 2 inches of snow in Torrington.

Winter Weather, Central Laramie County

When: October 6, 7:00 AM MST
Where: Central Laramie County forecast zone
Reported by: COOP Observer
Coordinates: 41.307, -104.690 (the zone’s center; the record gives no point)

A COOP observer located 7 NE of Cheyenne reported 3 inches of snow with a 24 hour water equivalent of 0.10.

Winter Weather, Central Laramie County

When: October 6, 8:00 AM MST
Where: Central Laramie County forecast zone
Reported by: NWS Employee
Coordinates: 41.307, -104.690 (the zone’s center; the record gives no point)

A NWS employee 10 N of Cheyenne reported 3 to 5 inches of snow.

Winter Weather, East Platte County

When: October 6, 8:00 AM MST
Where: East Platte County forecast zone
Reported by: Trained Spotter
Coordinates: 42.133, -104.966 (the zone’s center; the record gives no point)

A trained spotter in Wheatland reported 3 to 4 inches of snow.

Winter Weather, Sierra Madre Range

When: October 6, 8:00 AM MST
Where: Sierra Madre Range forecast zone
Reported by: SNOTEL
Coordinates: 41.695, -106.931 (the zone’s center; the record gives no point)

Snowfall estimated of 1 to 2 inches from the Blackhall Mountain SNOTEL at 9820 feet.

Winter Weather, Sierra Madre Range

When: October 6, 8:00 AM MST
Where: Sierra Madre Range forecast zone
Reported by: SNOTEL
Coordinates: 41.695, -106.931 (the zone’s center; the record gives no point)

Estimated snowfall of 1 to 2 inches from the Webber Springs SNOTEL at 9250 feet.

Winter Weather, Sierra Madre Range

When: October 6, 8:00 AM MST
Where: Sierra Madre Range forecast zone
Reported by: SNOTEL
Coordinates: 41.695, -106.931 (the zone’s center; the record gives no point)

Estimated snowfall of 2 to 3 inches from the Sandstone Ranger Station SNOTEL at 8150 feet.

Winter Weather, Central Carbon County

When: October 6, 8:00 AM MST
Where: Central Carbon County forecast zone
Reported by: SNOTEL
Coordinates: 41.695, -106.931 (the zone’s center; the record gives no point)

Estimated snowfall of 1 to 2 inches from the Sage Creek SNOTEL at 7850 feet.

Winter Weather, South Laramie Range

When: October 6, 8:00 AM MST
Where: South Laramie Range forecast zone
Reported by: SNOTEL
Coordinates: 41.481, -105.207 (the zone’s center; the record gives no point)

Estimated snowfall of 2 to 3 inches from the Crow Creek SNOTEL at 8330 feet.

Winter Weather, Central Laramie County

When: October 6, 9:00 AM MST
Where: Central Laramie County forecast zone
Reported by: NWS Employee
Coordinates: 41.307, -104.690 (the zone’s center; the record gives no point)

A NWS employee located 2 N of Cheyenne reported 2 to 3 inches of snow.

Winter Weather, Central Laramie County

When: October 6, 10:00 AM MST
Where: Central Laramie County forecast zone
Reported by: Official NWS Observations
Coordinates: 41.307, -104.690 (the zone’s center; the record gives no point)

Official NWS Cheyenne observation of 3.6 inches of snow.

Winter Weather, East Laramie County

When: October 6, 11:00 AM MST
Where: East Laramie County forecast zone
Reported by: Fire Department/Rescue
Coordinates: 41.307, -104.690 (the zone’s center; the record gives no point)

The Fire Department in Pine Bluffs reported 2 to 3 inches of snow.

What these are

Winter Weather: Snow, sleet or freezing rain below warning levels that still caused disruption, damage or casualties.

After NWS Directive 10-1605, the rules offices file Storm Data by.

The same day elsewhere

Every storm in Wyoming in 2012 Every state in 2012 This day in weather history Warnings in Wyoming, October 2012

Sources

NOAA National Centers for Environmental Information, Storm Events Database, compiled from the National Weather Service’s monthly Storm Data. Complete through 2026-06; NCEI adds each month about 75 days after it ends and revises past years a few times a year. Rebuilt 2026-10-01. Each event’s entry at NCEI: 410220, 410222, 410225, 410226, 410228, 410229, 410237, 410238, 410239, 410240, 410241, 410242, 410243, 410231, 410233, 410234, 410230, 410235, 410244, 410245, 410246, 410247, 410248, 410236, 410232, 410251.