Downer Davis fills sandbags at Memorial Park on Tybee Island, Ga., in preparation for Hurricane Dorian on Tuesday, Sept. 3, 2019. Now a Category 2 storm, Dorian’s winds and rains have begun to lash the Florida shore as the storm continues to pound the Bahamas, where rescue missions are hampered by rising seawater. (Audra Melton/The New York Times)