The Suomi NPP satellite's Visible Infrared Imaging Radiometer Suite (VIIRS) instrument captured a look at multiple fires and smoke burning in Idaho's Sawtooth National Forest on August 15,2016. The Pioneer Fire is now 76980 acres in size, an increase of 3622 acres, and 50% contained with 1790 personnel assigned. The cause of the blaze is under investigation now,but it began on July 18, 2016 at approximately 5:00 pm local time, and 8 miles north of Idaho City. Weather forecast outlooks carry out not appear to bring any effective precipitation events. In addition,any weather events also bring gusty winds which serve to spread the fire.
Source: phys.org