8/24/2018 Smoke Forecast for the North Columbia Basin area


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It's blowing away this weekend. Well, almost

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Western WA is largely free of smoke and will stay that way through early next week. Some light smoke from the Maple fire could potentially hit areas north of Seattle, but not expecting anything worse than spotty, short-lived Moderate conditions. Weekend forecast for eastern WA Southwest winds are picking up but haven't yet delivered much clean air yet. Present air quality runs the gamut from Good to Unhealthy . More greens will start appearing on the map as the day progresses, starting from the southwest. However some fire growth is expected as winds ramp up. The southwest winds will die down on Saturday, allowing smoke from fires in the Washington Cascades to flow into nearby communities. Chelan and Okanogan Counties are likely to take a beating again (sorry!) and there is an Air Quality Alert through Sunday morning to address this. Air could be as bad as Very Unhealthy at times. Eastern WA will also lie downwind of Oregon wildfires this weekend, although models are not advertisi...
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Rain this weekend! Bad news for fires.

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Good air quality has been sustained across the state for several days now thanks to some precipitation, cooler temperatures, and increased relative humidity.   Significant precipitation is expected this weekend too, which will further reduce any remaining fire activity.   Clear skies are expected next week but the summer weather is done for this year.  We are even starting to see some agricultural and prescribed burns in places, which indicates that the summer wildfire season is on its way out the door. Fire activity on the eastern slopes of the Cascades has been minimal. The light rain on Tuesday helped increase containment of fires like McLeod and Crescent Mountain . Some light s moke and fire activity will still be visible in parts of Okanogan County (e.g. Pasayten, Twisp) as stumps, downed logs, and other ground fuels continue to smolder.  Expect Good air quality for the next few days with some intermittent Moderate conditions immediately downwind of...
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Smoke returns to eastern WA, western WA on track to get a whiff. Improvement on Thursday

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Active weather over the last week helped most of the state breathe easy. But much of eastern WA took a turn for the worse last night with fine particle pollution levels ranging from Moderate to Unhealthy. Wildfires in Okanogan County and BC (just north of Stevens County) are the main culprits. Here's what the latest satellite picture looks like. A thin layer of smoke covers much of eastern WA, with denser plumes closer to the above mentioned areas (partially obscured by upper level clouds). Forecast for eastern WA Winds will die down and allow smoke to start accumulating later today through Thursday morning. This could lead to areas of Very Unhealthy air in parts of Okanogan and Stevens Counties. Unhealthy conditions currently seen in Spokane are likely to improve slightly as winds turn northeasterly. Here's what the Canadian FireWork model is predicting for 2PM Wednesday (left) and 5AM Thursday:   Not expecting much clearing until late Thursday, but by then we might have smoke...
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