The Center for Collaborative Adaptive Sensing of the Atmosphere (CASA) is revolutionizing weather-sensing networks to help save lives. Using a system of low-cost radars that communicate with each other, CASA tracks weather conditions in the lower atmosphere unseen by conventional radar. When the Dallas-Fort Worth region of Texas experiences extreme weather, like in spring 2019, CASA data is used by National Weather Service (NWS) forecasters and emergency managers to support their decision making and rescue efforts. On the UMass Amherst campus, CASA and the Microwave Remote Sensing Laboratory (MIRSL) operate a weather radar to support the campus’s emergency management efforts and share data with the NWS Eastern Region Headquarters. Skyler, a next-generation phased-array radar, on loan from Raytheon, is also operated on campus.