Residents wait to board a bus as residents evacuate ahead of Hurricane Laura at the Island Community Center on August 25, 2020 in Galveston, Texas. NEW ORLEANS (AP) - More than half a million people were ordered to evacuate the Gulf Coast on Tuesday as Laura strengthened into a hurricane that forecasters said could slam Texas and Louisiana with ferocious winds, heavy flooding and the power to push seawater miles inland.More than 385,000 residents were told to flee the Texas cities of Beaumont, Galveston and Port Arthur, and another 200,000 were ordered to leave low-lying Calcasieu Parish in southwestern Louisiana, where forecasters said as much as 13 feet (3.96 meters) of storm surge topped by waves could submerge whole.