EarthSky posted a striking image from NASA’s Aqua satellite of a low pressure area traveling across Canada this week which shows smoke from the Alberta wild fires entrained into the clouds. You can read about it here. The CoCoRaHS blog also has some interesting information on the climate conditions which helped set up the conditions there at https://cocorahs.blogspot.com/2016/05/ingredients-for-wildfire-fort-mcmurray.html.
