Scientists said the storm's strength and potential for far-reaching impacts is notable, but its timing isn't unusual.

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

A storm has dropped a significant amount of rain across Southern California, triggering the risk of mudslides, flooding and debris flows in recent burn scar areas.

A strong storm system that brought record rainfall to parts of Los Angeles County was lingering Friday and expected to move ...

Tornadoes can (and have) hit every U.S. state, but the area nicknamed Tornado Alley is probably where your mind goes when you think of dangerous twisters. This year, that’s not be the region ...

A powerful atmospheric river storm is pounding parts of California with torrential rain, strong winds and snow and leading to ...

A rare EF-0 tornado struck Pico Rivera early Thursday morning, leaving a trail of damage in its wake. The National Weather ...

Saturday is now a First Alert Weather Day due to the significant potential for damaging winds, a few tornadoes, and hail.

A small tornado also touched down for two minutes in the Pico Rivera area between 3 a.m. and 4 a.m., according to the ...

A rare sight in California - a tornado - slammed a Pico Rivera neighborhood early Thursday during the state’s latest storm.