"These systems or the concrete columns and slabs that are there now, are already unstable, to a certain extent," Slider told CNBC's "The News with Shepard Smith" in an interview. "When wind gets impacted upon this, if it does come to the area, obviously, that adds another level of impact and potentially greater ability for the structure to collapse further." Elsa grew in the Caribbean to become the season's first hurricane. Florida Gov. Ron DeSantis raised concerns Friday that the storm could strike South Florida and threaten to halt rescue operations and potentially topple portions of the building that have not collapsed yet.