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It’s smoky in the Pacific Northwest

Smoke from wildfires over the U.S. West and Canada, August 2, 2017. Actively burning areas are outlined in red. NASA image by Jeff Schmaltz, LANCE/EOSDIS Rapid Response. Weather will continue to “promote very active fire behavior,” according to the National Interagency Fire Center in Boise, Idaho.

We’re hearing many reports, and getting some photos, of smokey skies in the Pacific Northwest, from both the U.S. and Canada. In fact, a map from NOAA’s Hazard Mapping System shows smoke across the entire U.S., eerily along the path of the August 21 total solar eclipse. The smoke is from wildfires burning in the U.S. and Canadian West. See maps below.

The National Interagency Fire Center (NIFC) said that weather will continue to “promote very active fire behavior.” Extreme high temperatures in the region are expected to contribute to unstable, dry conditions. As of August 9, the NIFC was reporting 40 large fires in the U.S., in California (10), Idaho (3), Montana (11), Nevada (1), Oregon (10), Washington (3) and Wyoming (1).

GOES satellite data from August 9 went into the creation of this smoke analysis map, released by NOAA’s Hazard Mapping System on August 10.
Path of the total solar eclipse – with partial eclipse percentages indicated – via Used with permission. Read more about the eclipse.

In the map above – which is GOES satellite data and is from NOAA’s Hazard Mapping System – you can see that smoke stretches across the whole U.S., but is densest in the Pacific Northwest.

To the north, a significant amount of smoke is also coming from fires raging in western Canada. You can explore a smoke forecast for Canada (gives you a picture of what’s drifting southward) here.

We’ve also been getting photos of smoky suns from the EarthSky community, like the one below, which we posted to Facebook on August 7:

Bottom line: Smoke from wildfires stretches across the U.S. and is particularly dense in the Pacific Northwest. Some parts of the path of the total solar eclipse on August 21, 2017 could be affected by wildfire smoke.

Read more: Fires in US West doubled in 30 years

August 10, 2017

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Deborah Byrd

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