Smoke from wildfires thousands of miles away in Russia reached the U.S. West Coast this past weekend (April 17-19).
Strong winds fanned agricultural fires in Siberia on April 12 that eventually got out of control. At least 23 people were killed and more than 1,000 homes were damaged or destroyed in southern Siberia.
(MORE: Deadly Russian Fires)
In the first three images above you can see how satellites sensed the aerosols associated with the smoke as winds aloft transported them from eastern Russia to the north Pacific Ocean April 15-17. The blue, green, yellow and orange shadings illustrate where the aerosols were concentrated each day as they spread east.
The smoke reached Washington on April 17, as shown by the hazy conditions in the fifth image. Hazy skies were observed by residents of western Washington that day, as the National Weather Service in Seattle noted in this tweet.
http://www.weather.com/science/environment/news/russia-wildfires-smoke-reaches-california-oregon-washington
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