Strong winds were reported in the wind prone areas of southeast Wyoming on 17 November.
Every event with a place to put it; 4 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.
Strong winds were reported in the wind prone areas of southeast Wyoming on 17 November.
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 Nov 17, 4:42 AM MST, 8 minutes earlier. Its key messages:
Area Forecast Discussion National Weather Service Cheyenne WY 442 AM MST Sun Nov 17 2024 .KEY MESSAGES... - A High Wind Warning remains in effect for the southeast Wyoming wind prone areas until 3PM today. - The next storm system winds will bring another round of strong winds and scattered snow showers Monday and Monday night, followed by much colder temperatures Tuesday. - A prolonged period of strong winds is expected Tuesday through Thursday. High winds will be possible in the southeast Wyoming wind prones during this time. && .SHORT TERM /THROUGH MONDAY NIGHT/... Issued at 400 AM MST Sun Nov 17 2024 The active synoptic scale weather pattern continues today across the area. Current satellite imagery and mesoanalysis shows the expected split trough moving through the area. A closed low has dropped all the way to the Colorado River Delta region while the northern upper level low is quickly lifting off to the northeast over the Northern Plains. Meanwhile, expansive mid to upper level cloud cover is racing into the Pacific Northwest and northern Rockies along a strong jet streak, the nose of which will lift across the area this morning. The combination of a surface high building in over the interior Rockies and falling pressure over the Plains continues to increase the cross-barrier MSLP gradient this morning. While the maximum wind gust so far has been just 52 MPH, parameters are expected to continue to become more favorable for high winds this morning, with the best window between 12z and 18z when MSLP and low- level height gradients peak. Therefore, no changes will be made to the current High Wind Warning for the wind prone areas. Elsewhere, it looks like a nice, albeit breezy day as ridging takes hold over the area once again. Expect near average temperatures and plentiful sunshine, although cloud cover will linger into the morning in the mountains. A strong Pacific trough will push inland tonight into Monday, setting the stage for the next period of active weather. Monday morning, expect the area to be sandwiched between the ejecting closed low to the southeast, and the approaching trough from the northwest. The trough will begin to absorb the closed low during the day, allowing streamlines at various levels to wrap around the low and tighten. 700-mb winds will be oriented WNW this time, which will increase the probability of high winds for the I-80 summit, but decrease it for areas further north along I-25. Craig to Casper height/pressure gradients are elevated, but quite marginal for high winds. However, this event looks like it will lead to a more directly west to east oriented pressure gradient. Parameters such as the Laramie to Kimball MSLP gradient or the Craig to Fort Collins MSLP gradient are near climatological maximums thanks to the deep surface cyclone moving north across the central Plains during the day Monday. These gradients spike noticeably Monday afternoon and evening as the surface trough associated with the northern shortwave is absorbed into the central Plains low pressure system. Once this occurs, winds will rapidly spread from just the wind prone areas to cover much of the High Plains. Substantial downward omega will also help to keep gusty winds going even over the plains through Monday night, but with a gradual weakening towards Tuesday morning. Another round of High Wind Watches will likely be needed for this event at least for the Arlington/Elk Mountain area and the I-80 summit and foothills. This could possibly expand north along I-25 and east along I-80 into Cheyenne, Kimball, and Sidney also, but confidence is lower there. Aside from the winds, this system will also bring some precipitation chances. Moist westerly flow is expected to initiate snowfall in the mountains sometime Monday morning, possibly spreading into the I-80 corridor in Carbon county also. Another round will develop along and just ahead of the vorticity maximum / 700-mb trough axis Monday afternoon and evening, mainly along and north of US-20. Accumulations will be limited with any of this activity, with the most likely scenario delivering a dusting at best for most areas, and perhaps 1-2" for the mountains. && .LONG TERM /TUESDAY THROUGH SATURDAY/... Issued at 400 AM MST Sun Nov 17 2024 The long term can be summed up in one word: WIND. Strong winds and breezy conditions look persistent throughout the extended forecast, with a gradual warm-up expected during the week. A cold start to the long term forecast is likely as a shortwave pushes through the CWA on Tuesday. A strong cold front will accompany this shortwave, dropping 700 mb temperatures down to -14C! These cold temperatures aloft will lead to quite the chilly day at the surface with highs well below average for this time of year. High temperatures west of the Laramie Range will be in the 20s, while areas further east will make it into the 30s with a few low 40s in the Nebraska panhandle. This cold front will likely bring some precipitation to the mountains as well. Orographic lift will lead to mountain snow in the Snowy and Sierra Madre Ranges. Snow accumulation will be likely, but only a few inches are expected. Winds will steadily increase throughout the day Tuesday as the shortwave moves further east. By Tuesday evening, high winds could be possible for the southeast Wyoming wind prones as 700 mb winds climb up to 60 kts with great subsidence. In-house guidance is already suggesting high wind potential during this time. High winds and breezy conditions will likely continue into the day on Wednesday. With the shortwave out of the CWA, an upper-level ridge will build over the Rockies in its place. This will cause a strong pressure gradient to develop over the CWA as a strong surface high sits in western Wyoming and a surface trough sits east of the Laramie Range. This strong MSLP gradient will help sustain strong winds throughout the day Wednesday and potentially into Thursday as well. Winds aloft will continue to be in the 50 to 60 kt range with ample subsidence. With the ridge in place Wednesday and Thursday, conditions will be dry and temperatures will warm. By Thursday, 700 mb temperatures will be above 0C, leading to the return of above average high temperatures. Headed into Friday and the start of the weekend, high winds will likely subside, but breezy conditions are still expected. A decent MSLP gradient will still exist over the CWA leading to the breeziness. Downsloping winds will also help contribute to the warmth across the area. Temperatures will continue to remain above average into the weekend with dry conditions. && .AVIATION /12Z TAFS THROUGH 12Z MONDAY/... Issued at 442 AM MST Sun Nov 17 2024 Minimal aviation concerns expected during the day today. Gusty afternoon winds will be possible at most terminals with gusts between 20 and 30 kts. Winds will ease late this afternoon and after sunset. VFR conditions are expected today. && .CYS WATCHES/WARNINGS/ADVISORIES... WY...High Wind Warning until 3 PM MST this afternoon for WYZ106-110. NE...None. && SHORT TERM...MN LONG TERM...SF AVIATION...SF
Hazardous Weather Outlook National Weather Service Cheyenne WY 356 AM MST Sun Nov 17 2024 NEZ002-003-019>021-054-055-095-096-WYZ101>119-181100- Dawes County-Box Butte County-Scotts Bluff County-Banner County- Morrill County-Kimball County-Cheyenne County- Northern Sioux County-Southern Sioux County- 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- 356 AM MST Sun Nov 17 2024 This hazardous weather outlook is for portions of panhandle Nebraska...east central Wyoming...south central Wyoming and southeast Wyoming. .DAY ONE...TODAY AND TONIGHT - A High Wind Warning remains in effect for the southeast Wyoming wind prone areas until 3PM today. .DAYS TWO THROUGH SEVEN...MONDAY THROUGH SATURDAY - The next storm system winds will bring another round of strong winds and scattered snow showers Monday and Monday night, followed by much colder temperatures Tuesday. - A prolonged period of strong winds is expected Tuesday through Thursday. High winds will be possible in the southeast Wyoming wind prones during this time. .Spotter information statement... Spotter activation will not be needed.
The national radar mosaic for the moment the first event began.
4 high wind. Local standard time, as filed.
Mesonet site located 4 miles west of Muddy Gap reported this peak wind gust.
WYDOT sensor at Halleck Ridge (WY18), located 7 miles northwest of Elk Mountain reported this peak wind gust.
WYDOT sensor Bordeaux (BRX) located 9 miles south of Wheatland reported this peak wind gust.
WYDOT sensor Coleman (WY1), located 13 miles south of Glendo reported this peak wind gust.
After NWS Directive 10-1605, the rules offices file Storm Data by.
Every storm in Wyoming in 2024Every state in 2024This day in weather historyWarnings in Wyoming, November 2024
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 2026-09-24. Each event’s entry at NCEI: 1216935, 1216933, 1216936, 1216938.