Breadcrumb Home Videos Hazardous Heat Waves This video is a part of Animated Atmosphere, a suite of short videos produced by the UCAR Center for Science Education with FableVision Studios. Heat waves are abnormally hot weather that occurs over a few days to several weeks, and climate change is making them worse. Watch and find out why heat waves are a hazard and what you can do to stay safe when they happen. Learn More Extreme Events and Human Health Predictions of Future Global Climate More Educational Videos Related Links Feeling the Heat (Student Activity)