Dust and smoke issues in the Great Basin Unified Air Pollution Control District

Meadow Fire makes run in Yosemite

Posted by admin on September 8, 2014

The smoke seen in the photo below is from the Meadow Fire in Yosemite National Park.  The image was captured at 4:30 PM Sunday, September 7, 2014, from the north end of June Lake Loop.Meadow Fire 9-7-2014

Details about the fire can be found at and at  About 2,600 acres burned overnight since its discovery at 12:30 PM on Sunday, September 7, 2014.  The smoke seen here dispersed mostly north and slightly east.

The smoke is forecast to disperse in the same pattern this afternoon, Monday, September 8, 2014, as seen in the smoke-dispersion model image below.  Concentrations of particulate matter are predicted to be well below Great Basin APCD’s threshold of 100 ug/m3 for a stage 1 health advisory (see smoke Sep-8-2014 PM

On September 9, 2014, the winds are predicted to shift to being from the northwest.  An updated version of the model now shows the smoke staying mostly on the west side of the Sierra crest.  Below is the model’s worst predicted hour for the afternoon/evening.

Meadow smoke Sep-9-2014 PM

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