As heat waves continue to spread across the U.S., Good Morning America‘s Ginger Zee is clarifying one aspect of her recent on-air weather reports. The meteorologist addressed “heat index haters” in a Tuesday, June 24, Instagram video after viewers expressed their dislike of the ABC morning show displaying both the actual and feels-like temperatures. “We show heat index because that is what a human feels,” she explained in the clip. “If I were forecasting for inanimate objects or your car or the sidewalk, I would keep it with temperature, definitely. But heat index includes the level of humidity and the level that your body can not evaporate to cool itself. So actually, heat index is the most important number that you need to know. “ Zee went on to note that reporting the heat index is “not new” and that doing so is “important.” She added, “I don’t get it.