Spring is here which means it is range-burning season, when ranchers torch their prairies to revitalize the grass for livestock and kill off invasive plants. With light winds in place, conditions were prime for controlled burning on Friday April 4th.Image 1 is an image from an infrared satellite which detects differences in temperature. The black spots on the image are fires. Image 2 is a visible satellite image, which is basically a photograph of earth. With this imagery, fires must be quite large to be visible. Image 3 is an image from Wichita's radar on Friday April 4th. With no precipitation in the area, all of the returns are that of smoke from nearby fires. Click here to visit our local fire weather page.