August 17, 2017 - Yosemite and Foothills Smoke Outlook for Thursday, August 17, 2017.

Smoke: Smoke in Wawona & river basins nearby will be very dense through noon today. Expect conditions improve through the afternoon, smoke returning after midnight. Light E transport winds keep Owens Valley clear with increasing impacts to the foothills. A layer of smoke aloft should be visible.

Fire: Butte: Full containment expected today. Empire: Only light activity expected.
South Fork: Aggressive suppression activities on west flank of fire. https://inciweb.nwcg.gov/state/5/0/

Other: Return of high pressure over California into the weekend and continued moderate levels of smoke production from the South Fork Fire will likely lead to gradually worsening impacts in the near San Joaquin Valley. Note: AQ forecasts below reflect only particulate matter - not ozone. Stay tuned to the California Smoke Blog (link below) for more up-to-date information.


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