September 28, 2018

Fires in Arizona Continue to Burn with Smoke Plume Extending to New Mexico

Fires in Arizona continue to burn producing a moderate sized thin density smoke plume traveling east into New Mexico, as reported by NOAA's Hazard Mapping System Fire and Smoke Product. Smoke can be seen from three fires in Arizona in today's NASA Aqua MODIS true color (RGB) image (top left image). The smoke was captured also in VIIRS AOD retrievals with the smoke associated with fires yielding values between 0.2 to 1 in Arizona, while the smoke plume over New Mexico is in the range of 0.2 to 0.6 (top right image, courtesy of NOAA IDEA.)

AERONET sun photometer retrievals from at USGS Flagstaff show coarse smoke particles (aerodynamic diameter greater than 2.5 microns) intensifying as the day progressed (bottom left image). The corresponding single scattering albedo timeseries show scattering rather than absorbing increasing as well. The line slope increases with time indicating than scattering instead is absorption dominating in the retrieval.

Posted by Ruben Delgado at September 28, 2018 11:14 PM
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