Tropical Storm Emily was expected to bring heavy rain Tuesday to Puerto Rico after crossing the northeast Caribbean Sea on a track that would take it near Haiti within 24 hours. The storm was expected to bring up to 4 inches (10 centimeters) of rain to the Leeward and Windward islands and 6 inches (15 centimeters) to Puerto Rico and the Dominican Republic, enough to cause flash floods and mud slides in areas that have already seen heavy rainfall, the U.S. National Hurricane Center said. As the storm passed near Dominica, a weather official urged people to hunker down for the night.