Tropical Storm Lorena is churning in the Pacific, bringing the possibility of life-threatening conditions and other hazards to parts of Mexico. Parts of the southwestern U.S. could also see some impacts from the storm, which was previously a hurricane.

Lorena has weakened to a tropical storm, but forecasters warn of life-threatening flash flooding and mudslides in parts of Mexico's Baja California peninsula. The U.S.

Lorena weakened back to tropical storm strength Wednesday after spending about a day as a hurricane off the western Mexican coast, forecasters said.