A powerful storm system is hammering California’s offshore waters with winds that meet the formal definition of hurricane force, and the ripple effects are spreading far beyond the Pacific coastline.

When we talk about hurricanes, the first number you usually hear is wind speed. That makes sense. Wind is what tears off roofs, knocks down trees, and turns debris into dangerous missiles. Wind kicks ...

Add Yahoo as a preferred source to see more of our stories on Google. Tropical Storm Melissa to become major hurricane in Caribbean with intense winds, flooding rain Tropical Storm Melissa is gaining ...