Posted 8:15 a.m. | Updated 7:35 p.m. Two mountain passes in southwest Colorado — Coal Bank and Molas — were closed Tuesday for avalanche work. And Monarch Pass in southern Colorado was closed for several hours Tuesday afternoon after three snowbanks collapsed on the road. No one was injured.
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Avalanche warnings and advisories are posted for much of Colorado's high country because of storm bringing heavy snow to parts of the mountains.
The warnings and advisories are in effect through Wednesday as a snowstorm threatens to drop up to nearly 2 feet of snow.
The Colorado Avalanche Information Center says that large and dangerous natural and human-triggered avalanches will be likely in steep terrain.
Strong winds are expected heighten the slide danger.
Two snowboarders were caught and partially buried in a backcountry avalanche southwest of Breckenridge Ski Area on Saturday. Neither was seriously injured.
Another avalanche near the Montana-Wyoming line on Sunday buried three snowmobilers, killing a 33-year-old man.