
Hurricane scientist Nick Grondin explains how Hurricane Hilary, with help from El Niño and a heat dome over much of the country, could bring dangerous flash flooding, wind damage and mudslides to the U.S. Southwest.

Hurricane scientist Nick Grondin explains how Hurricane Hilary, with help from El Niño and a heat dome over much of the country, could bring dangerous flash flooding, wind damage and mudslides to the U.S. Southwest.