Smoke Creating Hazy Skies for Some

Smoke Creating Hazy Skies across Much of Western and Central North America

Forest fires across northwest Canada and portions of the western United States have produced a great deal of smoke over the past week. That smoke has been circulated by the atmosphere across much of the western portion of the continent, including the upper Midwest. The large scale weather pattern will be changing some over the coming days, which could help to shift the smoke and hazy skies out of many locations.

The image below provides an overview of the fire locations and smoke conditions this morning (Tuesday, August 13th).

Weather models can be used not only to forecast how conditions may evolve in the future, but can also be helpful in evaluating how the observed weather came to be. The following image was generated using weather model information from Thursday (8/8) through Today (8/13). It depicts approximately where the air 100 meters above ground in Redwood Falls this morning was five days ago, illustrating it originated in the region of Canada where many forest fires have been occurring.

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