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South Fork Fire

Unit Information

Yosemite National Park
National Park Service
P.O. Box 577 Yosemite CA 95389 California
Yosemite National Park, CA 95389

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Smoke Forecast/Air Quality Report 8-20-17

South Fork Fire Wildfire
News – 8/20/2017

Smoke: Smoke in Wawona & nearby areas will again be dense through noon today, improving through the afternoon. No smoke impacts Bridgeport south past Mammoth, except as influenced by thunderstorm outflow winds.

Fire: South Fork: 3191 acres, 10% contained. Primary growth continues to spread to the northeast with aggressive suppression activities on the western flank. Wawona was evacuated yesterday due to concerns of fire spread from thunderstorm outflow winds. Butte: Full containment. Empire: Monitor status, only light activity expected.

Other: Dense smoke for short periods can aggravate symptoms for sensitive persons without changing 24-hr AQI levels. Afternoon thunderstorms again today. Outflow winds from these can push smoke into new areas for a couple hours at times as well as increase fire behavior and smoke production. Note: AQ forecasts below reflect only particulate matter - not ozone.

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