Interchange – February 2021

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Interchange February 2021

Vol. 49, Issue 2

January wind event

Photo: WYDOT

Windstorm produces wind gusts of more than 100 mph

Wind event began Jan. 12, ended Jan. 13 By Aimee Inama Although motorists in Wyoming are accustomed to dealing with high winds when they travel, a January storm produced higher-than-usual winds throughout the state. During a windstorm that started Jan. 12 and ended on Jan. 13, motorists encountered strong winds with some producing gusts of about 105 mph near Cheyenne. The 105 mph wind gust was one of the highest recorded in the state with this wind event and was 11 miles west and southwest of Cheyenne, said Mark Heuer, meteorologist with DayWeather. The storm also resulted in several blow-over crashes in southeastern and eastern Wyoming. Laramie County had about seven confirmed blow-overs, Albany County had six, Carbon County had

three and the Wheatland area had about two. “The wind event wasn’t just isolated to Wyoming,” Heuer said. “It was a widespread event that covered Wyoming, Montana, South Dakota, Nebraska and northern Colorado.” The wind event impacted interstates 25, 80 and 90 as well as roads throughout most of the state. Statewide gusts were recorded at 60-70 mph . Although the 105 mph wind gust was recorded near Cheyenne, the regional averages were between 80 to 105 mph. In the city of Cheyenne, a wind gust of 89 mph was recorded. The Cody Foothills and South Pass had gusts of 90 to 100 mph. “A wind event like this can typically happen a couple times a year,” Heuer said. The windstorm developed due to several factors. Wyoming typically encounters higher winds during the win-

tertime. However, a strong jet stream, an approaching cold front and a low pressure system over Montana and a high pressure system over Nevada and Utah helped create the windstorm. “It was a combination of the weather features along with Wyoming’s high elevation and varied terrain that helped create this event,” Heuer said. During windy days, motorists should check WYDOT’s 511 website at https:// wyoroad.info/ for the latest travel advisories. During windy days, WYDOT may issue a “Closure to Light, High-Profile Vehicles” or an “Extreme Blow Over Risk.” Additionally, motorists can stay safer by watching the weather and planning ahead, driving cautiously around high-profile vehicles, keeping their distance from other vehicles, keeping both hands on the wheel when driving and slowing down. n


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