Winter Weather Advisory issued November 20 at 12:49PM MST expiring November 23 at 12:00PM MST in effect for: Archuleta, Delta, Dolores, Eagle, Garfield, Gunnison, Hinsdale, La Plata, Moffat, Montezuma, Montrose, Ouray, Pitkin, Rio Blanco, Routt, San Juan, San Miguel
A NWS meteorologist in Boulder said that winds are bringing the smoke from fires burning across the West, Pacific Northwest, and western Canada into Colorado. Satellite imagery shows how the smoke is traveling to the area.
Where's all the smoke coming from? The Primary source of smoke over the NW USA is originating from over 100 active wildfires in wrn Canada. Dozens of wildfires in N CA, OR & WA are also contributing. Smoky conditions of varying densities expected to persist thru early fall. #COwxpic.twitter.com/jSawN6xw5b
“Smoky conditions of varying densities are expected to persist through early fall,” the NWS Boulder said Thursday.
According to an HRRR model published by the NWS Pueblo Thursday, northwestern and northeastern Colorado will see the worst smoky conditions Thursday night into Friday morning.
Smoke is expected to return to southern CO tonight & Friday as predicted by the ESRL experimental HRRR model . Hazy skies (yellow-red colors) will return by Friday morning. Layer smoke loop runs from 6 AM Thu 8/23 through 6 PM Fri 8/24. #cowxpic.twitter.com/RAkIOzszk4
Scientists and researchers from Colorado State University have been leading the WE-CAN smoke sampling team. The group is based in Boise, Idaho and has been flying through western wildfire smoke this summer to study how the smoke's composition and how it impacts air quality. Click here to view pictures of the flights.
For more on the state’s air quality forecast for the next few days, click here.