The dark appearance of the clouds is influenced by where you are looking at them from. A pitch black sky often appears before a storm strikes. Here's what gives these clouds their dark appearance.

The 29-year-old administrative assistant's viral video of the terrifying sight shows the giant cloud mass on the horizon and the sky suddenly turning dark over Raposo Tavares Highway.

A tornado warning was issued in several counties, and storms filled the sky with lightning and dark cloud formations. The NWS confirmed Tuesday night that a tornado was located east of Sneedville ...

Here’s a list of what to look for and what different clouds might mean for the weather: Clouds are more than just picturesque features of the sky ... leading edge of a storm front or gust ...

The 29-year-old administrative assistant's viral video of the terrifying sight shows the giant cloud mass on the horizon and the sky suddenly turning dark over Raposo Tavares Highway.

A tornado siren blared in Washington, Illinois, as dark clouds filled the sky on Wednesday, March 19.This footage of the looming storm was posted to Facebook by Rob Wiseman as the National Weather ...

Weather officials say different types of clouds can tell you what kind of weather to expect. Here's a look at the different types.

That's because they were forming from the exhaust of the rocket more than 200,000 feet in the air, so while the sun had not risen for us, it was able to reflect off those clouds. Hence the term ...

Storm clouds make great pictures, but what do they mean. J. Staas Haught, USA TODAY NETWORK. ... Mammatus clouds filled the sky over Bucks County on Sunday night, June 30, ...

A tornado warning was issued in several counties, and storms filled the sky with lightning and dark cloud formations. The NWS confirmed Tuesday night that a tornado was located east of Sneedville ...