Alerts for a potential tsunami were issued for coastlines in North America, Hawaii, Russia and Japan after a powerful ...

The lightning appears to flicker. A lightning flash is all the cloud-to-ground lightning that occurs within 1 second and a 6-mile radius. Each flicker is a lightning stroke.

Goodbye April heat. Hello May showers. A storm coming off the Pacific Ocean is expected to arrive in the Las Vegas Valley this weekend, bringing a chance of rain and below-normal temperatures into ...