Smoke is billowing from fires in Canada’s Saskatchewan region and may be mixing with smoke from wildfires in the western United States at the lower right of this Moderate Resolution Imaging Spectroradiometer (MODIS) image from June 26, 2002. According to reports from the Canadian Interagency Forest Fire Center, lightning ignited 15 fires in a single 24-hour period from Tuesday, June 25, 2002, to Wednesday, June 26.
Image courtesy Liam Gumley, Space Science and Engineering Center, University of Wisconsin-Madison