Strong Winds Impacted much of Western & Central Wyoming on December 9th

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A combination of a tight pressure gradient, very strong winds aloft and favorable atmospheric conditions resulted in strong winds on Tuesday December 8th and Wednesday the 9th. The most widepsread high wind event occurred along a cold front that swept across the area Wednesday afternoon and evening. The strong wind caused some blow overs near Lander and Casper. Very little snowfall occurred Tuesday or Wednesday.


A semi blown over 6 miles southeast of Lander on Highway 287 (courtesy of County 10) Click to Enlarge	Radar velocity loop showing 50 knot or 58+ mph winds (blue colors = strong inbound winds) coming toward Riverton between 8 PM and 830 PM - Click to Enlarge

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County	Location	Wind Gust (mph)
Big Horn	Cowley Airport	55
Big Horn	Greybull Airport	49
County	Location	Wind Gust (mph)
Fremont	Lander Airport	68
Fremont	7 SW Muddy Gap	68
Fremont	Beaver Rim	67
Fremont	Riverton Airport	64
Fremont	Red Canyon	64
Fremont	10 W Fort Washakie	62
Fremont	3 NNW Hudson	59
Fremont	7 NW Lander	59
Fremont	10 N Dubois	56
Fremont	Crowheart	49
Fremont	2 ESE South Pass City	48
Fremont	Jeffrey City	48
Fremont	Dubois Airport	48
County	Location	Wind Gust (mph)
Hot Springs	Thermopolis	65
Hot Springs	10 S Meeteetse	56
County	Location	Wind Gust (mph)
Johnson	7 SW Barnum	69
Johnson	Buffalo Airport	60
Johnson	2 NW Mayoworth	58
Johnson	14 NNW Buffalo	55
Johnson	7 NE Buffalo	51
Johnson	30 ESE Buffalo	46
County	Location	Wind Gust (mph)
Lincoln	Mount Coffin	116
Lincoln	Kemmerer Airport	54
Lincoln	Cokeville	50
County	Location	Wind Gust (mph)
Natrona	Casper - Outer Drive	69
Natrona	16 S Hiland	66
Natrona	Hiland	52
Natrona	Casper Airport	48
Natrona	Twenty Mile Hill	48
County	Location	Wind Gust (mph)
Park	5 WNW Clark	103
Park	Chief Joseph	96
Park	8 SSW Clark	70
Park	Cody	64
Park	10 WNW Cody	61
Park	20 SW Cody	60
Park	Powell Airport	53
Park	Crandall Creek	52
Park	Meeteetse	50
Park	3 E Pahaska	48
County	Location	Wind Gust (mph)
Sublette	21 W Big Piney	66
Sublette	Big Piney Airport	62
Sublette	Pinedale Airport	46
County	Location	Wind Gust (mph)
Sweetwater	Rock Springs Airport	56
Sweetwater	Farson	52
Sweetwater	Green River	52
Sweetwater	15 SE Rock Springs	48
Sweetwater	Continental Divide	45
County	Location	Wind Gust (mph)
Teton	Jackson Hole - Summit	71
Teton	4 N Moose	55
Teton	Jackson Airport	40
County	Location	Wind Gust (mph)
Washakie	15 SSW Big Trails	47

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