High Wind in Wyoming, October 11, 2015

Name: High Wind in Wyoming, October 11, 2015
Start: 2015-10-11T07:06
End: 2015-10-11T16:00
Location: Wyoming

October 11, 2015 · NWS CYS · 29 events in 12 counties and zones

The passage of a potent upper level disturbance, strong winds aloft and tight surface pressure gradient produced high winds across much of southeast Wyoming. Westerly winds gusted between 60 and 70 mph.

Where it happened

Every event with a place to put it; 29 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: 29

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.

What forecasters said that day

The local office's own words before the first event, as it sent them, from the Iowa Environmental Mesonet's archive of National Weather Service text.

NWS Cheyenne, WY wrote its last area forecast discussion before the first event at Oct 11, 2:56 AM MST, 4 hours 10 minutes earlier.

Area forecast discussion, Oct 11, 2:56 AM MST, 4 hours 10 minutes before

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Hazardous weather outlook, Oct 11, 4:58 AM MST, 2 hours 8 minutes before

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The radar

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

Open the radar archive at this moment

Event by event

29 high wind. Local standard time, as filed.

High Wind, Converse County Lower Elevations

When: October 11, 7:06 AM MST to 11:21 AM MST
Where: Converse County Lower Elevations forecast zone
Measured: 35 kt (40 mph) measured sustained
Reported by: Department of Highways
Coordinates: 42.972, -105.507 (the zone’s center; the record gives no point)

The WYDOT sensor at Deer Creek measured sustained winds of 40 mph or higher, with a peak gust of 69 mph at 11/1006 MST.

High Wind, South Laramie Range Foothills

When: October 11, 8:30 AM MST to 12:45 PM MST
Where: South Laramie Range Foothills forecast zone
Measured: 61 kt (70 mph) measured gust
Reported by: Mesonet
Coordinates: 41.481, -105.207 (the zone’s center; the record gives no point)

The UPR sensor at Emkay measured wind gusts of 58 mph or higher, with a peak gust of 70 mph at 11/1115 MST.

High Wind, Ferris/Seminoe/Shirley Mountains

When: October 11, 8:50 AM MST to 12:50 PM MST
Where: Ferris/Seminoe/Shirley Mountains forecast zone
Measured: 53 kt (61 mph) measured gust
Reported by: RAWS
Coordinates: 41.695, -106.931 (the zone’s center; the record gives no point)

A RAWS sensor near Muddy Gap measured wind gusts of 58 mph or higher, with a peak gust of 61 mph at 11/1150 MST.

High Wind, South Laramie Range

When: October 11, 9:25 AM MST to 12:25 PM MST
Where: South Laramie Range forecast zone
Measured: 60 kt (69 mph) measured gust
Reported by: Mesonet
Coordinates: 41.481, -105.207 (the zone’s center; the record gives no point)

The UPR sensor at Buford measured wind gusts of 58 mph or higher, with a peak gust of 69 mph at 11/0955 MST.

High Wind, South Laramie Range

When: October 11, 9:36 AM MST to 12:46 PM MST
Where: South Laramie Range forecast zone
Measured: 35 kt (40 mph) measured sustained
Reported by: Department of Highways
Coordinates: 41.481, -105.207 (the zone’s center; the record gives no point)

The WYDOT sensor at Lone Tree measured sustained winds of 40 mph, with a peak gust of 63 mph at 11/1001 MST.

High Wind, South Laramie Range

When: October 11, 9:40 AM MST to 12:55 PM MST
Where: South Laramie Range forecast zone
Measured: 35 kt (40 mph) measured sustained
Reported by: Mesonet
Coordinates: 41.481, -105.207 (the zone’s center; the record gives no point)

The UPR sensor at Lynch measured sustained winds of 40 mph or higher, with a peak gust of 63 mph at 11/1145 MST.

High Wind, South Laramie Range Foothills

When: October 11, 9:40 AM MST to 11:40 AM MST
Where: South Laramie Range Foothills forecast zone
Measured: 35 kt (40 mph) measured sustained
Reported by: Department of Highways
Coordinates: 41.481, -105.207 (the zone’s center; the record gives no point)

The WYDOT sensor at Interstate 80 mile marker 353 measured sustained winds of 40 mph or higher, with a peak gust of 59 mph at 11/1045 MST.

High Wind, South Laramie Range

When: October 11, 9:41 AM MST to 12:36 PM MST
Where: South Laramie Range forecast zone
Measured: 35 kt (40 mph) measured sustained
Reported by: Department of Highways
Coordinates: 41.481, -105.207 (the zone’s center; the record gives no point)

The WYDOT sensor at Buford East measured sustained winds of 40 mph or higher, with a peak gust of 63 mph at 11/1131 MST.

High Wind, Central Laramie County

When: October 11, 9:58 AM MST
Where: Central Laramie County forecast zone
Measured: 51 kt (59 mph) measured gust
Reported by: ASOS
Coordinates: 41.307, -104.690 (the zone’s center; the record gives no point)

The wind sensor at FE Warren AFB measured a peak gust of 59 mph.

High Wind, Central Carbon County

When: October 11, 10:00 AM MST to 11:00 AM MST
Where: Central Carbon County forecast zone
Measured: 35 kt (40 mph) measured sustained
Reported by: ASOS
Coordinates: 41.695, -106.931 (the zone’s center; the record gives no point)

The wind sensor at the Rawlins Airport measured sustained winds of 40 mph or higher.

High Wind, Central Laramie County

When: October 11, 10:00 AM MST
Where: Central Laramie County forecast zone
Measured: 50 kt (58 mph) measured gust
Reported by: Department of Highways
Coordinates: 41.307, -104.690 (the zone’s center; the record gives no point)

The WYDOT sensor at Bear Creek measured a peak wind gust of 58 mph.

High Wind, North Snowy Range Foothills

When: October 11, 10:15 AM MST to 1:20 PM MST
Where: North Snowy Range Foothills forecast zone
Measured: 35 kt (40 mph) measured sustained
Reported by: Department of Highways
Coordinates: 41.675, -106.327 (the zone’s center; the record gives no point)

The WYDOT sensor at Arlington measured sustained winds of 40 mph or higher, with a peak gust of 65 mph at 11/1106 MST.

High Wind, North Snowy Range Foothills

When: October 11, 10:15 AM MST to 2:15 PM MST
Where: North Snowy Range Foothills forecast zone
Measured: 35 kt (40 mph) measured sustained
Reported by: Department of Highways
Coordinates: 41.675, -106.327 (the zone’s center; the record gives no point)

The WYDOT sensor at Wagonhound measured sustained winds of 40 mph or higher, with a peak gust of 60 mph at 11/1045 MST.

High Wind, North Snowy Range Foothills

When: October 11, 10:20 AM MST to 1:35 PM MST
Where: North Snowy Range Foothills forecast zone
Measured: 35 kt (40 mph) measured sustained
Reported by: Department of Highways
Coordinates: 41.675, -106.327 (the zone’s center; the record gives no point)

The WYDOT sensor at Foote Creek measured sustained winds of 40 mph or higher, with a peak gust of 62 mph at 11/1045 MST.

High Wind, North Snowy Range Foothills

When: October 11, 10:40 AM MST to 11:55 AM MST
Where: North Snowy Range Foothills forecast zone
Measured: 35 kt (40 mph) measured sustained
Reported by: Department of Highways
Coordinates: 41.675, -106.327 (the zone’s center; the record gives no point)

The WYDOT sensor at Arlington East measured sustained winds of 40 mph or higher, with a peak gust of 60 mph at 11/1110 MST.

High Wind, Shirley Basin

When: October 11, 10:48 AM MST
Where: Shirley Basin forecast zone
Measured: 50 kt (58 mph) measured gust
Reported by: Mesonet
Coordinates: 41.675, -106.327 (the zone’s center; the record gives no point)

A wind sensor at Medicine Bow measured a peak wind gust of 58 mph.

High Wind, Converse County Lower Elevations

When: October 11, 10:53 AM MST to 11:53 AM MST
Where: Converse County Lower Elevations forecast zone
Measured: 35 kt (40 mph) measured sustained
Reported by: ASOS
Coordinates: 42.972, -105.507 (the zone’s center; the record gives no point)

The wind sensor at the Converse County Airport measured sustained winds of 40 mph or higher, with a peak gust of 63 mph at 11/1153 MST.

High Wind, Central Carbon County

When: October 11, 11:00 AM MST to 12:00 PM MST
Where: Central Carbon County forecast zone
Measured: 35 kt (40 mph) measured sustained
Reported by: Mesonet
Coordinates: 41.695, -106.931 (the zone’s center; the record gives no point)

The UPR sensor near Sinclair measured sustained winds of 40 mph or higher.

High Wind, Niobrara County

When: October 11, 11:05 AM MST to 11:10 AM MST
Where: Niobrara County forecast zone
Measured: 50 kt (58 mph) measured gust
Reported by: Mesonet
Coordinates: 43.057, -104.475 (the zone’s center; the record gives no point)

A wind sensor at Lusk measured peak wind gusts of 58 mph.

High Wind, North Snowy Range Foothills

When: October 11, 11:20 AM MST to 3:05 PM MST
Where: North Snowy Range Foothills forecast zone
Measured: 35 kt (40 mph) measured sustained
Reported by: Department of Highways
Coordinates: 41.675, -106.327 (the zone’s center; the record gives no point)

The WYDOT sensor at Dana Ridge measured sustained winds of 40 mph or higher.

High Wind, North Snowy Range Foothills

When: October 11, 11:20 AM MST to 3:20 PM MST
Where: North Snowy Range Foothills forecast zone
Measured: 35 kt (40 mph) measured sustained
Reported by: Department of Highways
Coordinates: 41.675, -106.327 (the zone’s center; the record gives no point)

The WYDOT sensor at Interstate 80 mile marker 249 measured sustained winds of 40 mph or higher.

High Wind, North Snowy Range Foothills

When: October 11, 11:30 AM MST to 4:00 PM MST
Where: North Snowy Range Foothills forecast zone
Measured: 35 kt (40 mph) measured sustained
Reported by: Department of Highways
Coordinates: 41.675, -106.327 (the zone’s center; the record gives no point)

The WYDOT sensor at Halleck Ridge measured sustained winds of 40 mph or higher, with a peak gust of 63 mph at 11/1315 MST.

High Wind, South Laramie Range Foothills

When: October 11, 11:35 AM MST to 12:35 PM MST
Where: South Laramie Range Foothills forecast zone
Measured: 35 kt (40 mph) measured sustained
Reported by: Department of Highways
Coordinates: 41.481, -105.207 (the zone’s center; the record gives no point)

The WYDOT sensor at Whitaker measured sustained winds of 40 mph or higher.

High Wind, Laramie Valley

When: October 11, 11:45 AM MST to 2:45 PM MST
Where: Laramie Valley forecast zone
Measured: 35 kt (40 mph) measured sustained
Reported by: Department of Highways
Coordinates: 41.655, -105.724 (the zone’s center; the record gives no point)

The UPR sensor at Rock River measured sustained winds of 40 mph or higher, with a peak gust of 60 mph at 11/1315 MST.

High Wind, North Snowy Range Foothills

When: October 11, 11:55 AM MST
Where: North Snowy Range Foothills forecast zone
Measured: 50 kt (58 mph) measured gust
Reported by: AWOS
Coordinates: 41.675, -106.327 (the zone’s center; the record gives no point)

The wind sensor at Elk Mountain measured a peak wind gust of 58 mph.

High Wind, South Laramie Range

When: October 11, 12:00 PM MST to 1:25 PM MST
Where: South Laramie Range forecast zone
Measured: 35 kt (40 mph) measured sustained
Reported by: Department of Highways
Coordinates: 41.481, -105.207 (the zone’s center; the record gives no point)

The WYDOT sensor at Vedauwoo measured sustained winds of 40 mph or higher, with a peak gust of 58 mph at 11/1222 MST.

High Wind, Central Laramie Range and Southwest Platte County

When: October 11, 12:05 PM MST to 1:45 PM MST
Where: Central Laramie Range and Southwest Platte County forecast zone
Measured: 35 kt (40 mph) measured sustained
Reported by: Department of Highways
Coordinates: 41.698, -105.127 (the zone’s center; the record gives no point)

The WYDOT sensor at Bordeaux measured sustained winds of 40 mph or higher, with a peak gust of 61 mph at 11/1315 MST.

High Wind, Laramie Valley

When: October 11, 12:26 PM MST to 12:31 PM MST
Where: Laramie Valley forecast zone
Measured: 50 kt (58 mph) measured gust
Reported by: Department of Highways
Coordinates: 41.655, -105.724 (the zone’s center; the record gives no point)

The WYDOT sensor at Herrick Lane measured peak wind gusts of 58 mph.

High Wind, East Platte County

When: October 11, 12:56 PM MST to 1:01 PM MST
Where: East Platte County forecast zone
Measured: 50 kt (58 mph) measured gust
Reported by: Department of Highways
Coordinates: 42.133, -104.966 (the zone’s center; the record gives no point)

The WYDOT sensor at Coleman measured peak wind gusts of 58 mph.

What these are

High Wind: Sustained non-thunderstorm winds of 40 mph or more for an hour, or gusts of 58 mph or more.

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

The same day elsewhere

Every storm in Wyoming in 2015 Every state in 2015 This day in weather history Warnings in Wyoming, October 2015

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: 600696, 600724, 600699, 600720, 600721, 600722, 600726, 600719, 600730, 600705, 600728, 600707, 600714, 600710, 600706, 600701, 600697, 600704, 600698, 600708, 600713, 600712, 600727, 600718, 600709, 600723, 600702, 600717, 600703.