THE TAKEAWAY HONOLULU, Hawaii —Tropical Storm Lala has formed in the Pacific Ocean and is forecast to strengthen into a hurricane by Saturday morning.WHAT'S THE DIFFERENCE BETWEEN A TROPICAL DEPRESSION, TROPICAL STORM AND A HURRICANE?

THE TAKEAWAY HONOLULU, Hawaii —Tropical Storm Lala has formed in the Pacific Ocean and is forecast to strengthen into a hurricane by Saturday morning.WHAT'S THE DIFFERENCE BETWEEN A TROPICAL DEPRESSION, TROPICAL STORM AND A HURRICANE?