October 15th, 2017: Wildfires in Napa, Sonoma and Yuba counties, North California, USA. Animation (from October 3rd -15th, 2017) showing beginning and evolution of wildfires. October 9th and 10th show large-scale destructive wildfires in wine country emitting huge volumes of smoke. From 11th thru 14th, the fires reduce in intensity, but still show a strong presence.
Satellites: MODIS, Terra and Aqua; VIIRS, Suomi NPP. GIF credit: NASA Worldview (https://worldview.earthdata.nasa.gov)