A large pressure gradient and strong winds aloft produced fairly widespread high winds across much of south central and southeast Wyoming. Wind gusts of 60 to 80 mph were observed.
Every event with a place to put it; 19 filed by county or forecast zone are drawn at its center, in a lighter ring. Tap one for its entry below.
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.
The episode as NWS CYS wrote it up.
A large pressure gradient and strong winds aloft produced fairly widespread high winds across much of south central and southeast Wyoming. Wind gusts of 60 to 80 mph were observed.
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 31, 1:09 PM MST, 41 minutes earlier.
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</html>Hazardous Weather Outlook National Weather Service Cheyenne WY 629 AM MDT Tue Oct 31 2017 WYZ101>119-011230- Converse County Lower Elevations-Niobrara County- North Laramie Range-Ferris/Seminoe/Shirley Mountains- Shirley Basin-Central Laramie Range and Southwest Platte County- East Platte County-Goshen County-Central Carbon County- North Snowy Range Foothills-Southwest Carbon County- Sierra Madre Range-Upper North Platte River Basin-Snowy Range- Laramie Valley-South Laramie Range-South Laramie Range Foothills- Central Laramie County-East Laramie County- 629 AM MDT Tue Oct 31 2017 This hazardous weather outlook is for portions of east central Wyoming...south central Wyoming and southeast Wyoming. .DAY ONE...TODAY AND TONIGHT Strong wind speeds are expected to develop tonight across the wind prone areas of Arlington and Bordeaux. .DAYS TWO THROUGH SEVEN...WEDNESDAY THROUGH MONDAY High winds will develop over much of the area tomorrow. See the Latest High Wind Watches/Warnings for further details. .Spotter information statement... NEZ002-003-019>021-054-055-095-096-011230- Dawes-Box Butte-Scotts Bluff-Banner-Morrill-Kimball-Cheyenne- North Sioux-South Sioux- 629 AM MDT Tue Oct 31 2017 This hazardous weather outlook is for portions of western Nebraska. .DAY ONE...TODAY AND TONIGHT Light snow will come to an end by mid morning across the southern Nebraska panhandle. This will cause roadways to become slick in spots through midday. .DAYS TWO THROUGH SEVEN...WEDNESDAY THROUGH MONDAY Strong wind speeds of 40 to 50 mph will be possible across the panhandle tomorrow. .Spotter information statement...
The national radar mosaic for the moment the first event began.
19 high wind. Local standard time, as filed.
A RAWS sensor near Muddy Gap measured wind gusts of 58 mph or higher, with a peak gust of 80 mph at 31/2050 MST.
The WYDOT sensor at Wagonhound measured sustained winds of 40 mph or higher, with a peak gust of 61 mph at 31/1740 MST.
The WYDOT sensor at Arlington measured wind gusts of 58 mph or higher, with a peak gust of 73 mph at 31/1830 MST.
The WYDOT sensor at Halleck Ridge measured sustained winds of 40 mph or higher, with a peak gust of 63 mph at 31/1720 MST.
The UPR sensor at Rock River measured wind gusts of 58 mph or higher, with a peak gust of 72 mph at 31/2025 MST.
The WYDOT sensor at Cooper Cove measured wind gusts of 58 mph or higher, with a peak gust of 72 mph at 31/1945 MST.
The WYDOT sensor at Foote Creek measured sustained winds of 40 mph or higher, with a peak gust of 62 mph at 31/1820 MST.
The WYDOT sensor at Arlington East measured sustained winds of 40 mph or higher, with a peak gust of 67 mph at 31/1750 MST.
The WYDOT sensor at Strouss Hill measured wind gusts of 58 mph or higher, with a peak gust of 77 mph at 31/2035 MST.
The WYDOT sensor at Quealy Dome measured wind gusts of 58 mph or higher, with a peak gust of 76 mph at 31/2045 MST.
The WYDOT sensor at Pumpkin Vine measured sustained winds of 40 mph or higher, with a peak gust of 58 mph at 31/2030 MST.
The UPR sensor at Buford measured wind gusts of 58 mph or higher, with a peak gust of 74 mph at 31/2245 MST.
The WYDOT sensor at Skyline southeast of Encampment measured wind gusts of 58 mph or higher, with a peak gust of 68 mph at 31/2125 MST.
The WYDOT sensor at Dana Ridge measured sustained winds of 40 mph or higher.
The WYDOT sensor at Lone Tree measured wind gusts of 589 mph or higher, with a peak gust of 68 mph at 31/2140 MST.
The WYDOT sensor at Vedauwoo measured sustained winds of 40 mph or higher.
The WYDOT sensor at Buford East measured sustained winds of 40 mph or higher, with a peak gust of 60 mph at 31/2155 MST.
The UPR sensor at Dale Creek measured wind gusts of 58 mph or higher, with a peak gust of 67 mph at 31/2245 MST.
The WYDOT sensor at Bordeaux measured sustained winds of 40 mph or higher.
After NWS Directive 10-1605, the rules offices file Storm Data by.
Every storm in Wyoming in 2017Every state in 2017This day in weather historyWarnings in Wyoming, October 2017
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: 726807, 726822, 726812, 726820, 726823, 726813, 726819, 726811, 726821, 726824, 726838, 726826, 726810, 726814, 726837, 726846, 726825, 726827, 726809.