In some extreme cases, thunderstorms can spawn a derecho, a long-lived windstorm with gusts over 100 mph, strong enough to ...

A large tree fell onto live power lines Friday afternoon in the Beverly Crest area, sparking and smoking as firefighters waited for the power company to de-energize the fallen wires. The tree ...

Parts of the city had been urged to evacuate as a powerful system brought rain and snow up and down the state.

Heavy snow from a winter storm that arrived in Northern California on Wednesday is forcing some school districts to cancel ...