Wildfire Smoke From Canada Moving Into United States

Smoke from wildfires in western Canada is seeping down into the lower 48, adding an orange glow to sunsets from Minnesota to New Jersey. Dust from wildfires in central and northern Saskatchewan and Alberta is visible for a wide swath of the U.S. (check out our adjacent smoke map from Tuesday night), with sunsets on Tuesday night taking on an added orange tint from Baltimore to Minneapolis.

The worst of the air quality appears to be confined to Canada, where a moderate risk for air pollution was issued on Monday for the city of Winnipeg. The smoke, however, is too high in the atmosphere to directly interfere with air quality across America.

A big ridge of high pressure has forced the jet stream – a current of fast-moving winds at the upper levels of the atmosphere – to move into western Canada and move south into the Great Lakes, helping to transport smoke from the fires’ source into the lower 48.

The ridge, however, is evening out, which should lead to the smoke being pushed further north over the next few days.
Source: WeatherNation Wildfire Smoke From Canada Moving Into United States | Meteorologist Chris Bianchi


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