A region more accustomed to baking heat than soggy weather is about to get soaked, raising the risk of flash floods that can surprise — and kill — in minutes.
Downgraded from a powerful hurricane, Tropical Storm Priscilla has lost its punch in the eastern Pacific Ocean near the coast of Mexico's Baja California peninsula. But the storm still carries plenty of moisture and is now bearing down on the southwestern U.S., where flood warnings already were posted Thursday.
