On surface weather maps the solid red line depicts a warm front. The warm front presents its own peculiar problems. Though not as violent as cold frontal weather, warm frontal weather extends over great areas and within it contains very definite hazards to flying. As a pilot you know accurate flight planning requires that you have a thorough understanding of the many types of weather phenomena that may be encountered along your route. The purpose of this film is to explain the characteristics of a warm front and how the pilot may best conduct flight operations with respect to warm front weather conditions.