A strange atmospheric pattern known as an "omega block" is preventing the usual eastward progression of weather across the ...

Meteorologist Tommy House and Kristen Currie explain. Kavan Markwood, 20, was in critical condition after the accident, which ...

Meteorologist Kim Castro explains what it is and why it's bringing several days of unsettled weather to Houston.

The sweeping pattern that's now influencing much of the USA's weather is called an omega block because of its resemblance to ...

If you have been keeping an eye on weather forecasts recently, you may have heard meteorologists mention something called an ...

The U.S. is experiencing an “omega block," which locks in unsettled conditions in some areas while others have extended dry ...

An “omega block” weather pattern, so named for its resemblance to the Greek letter, is influencing conditions in Texas and ...

Rainstorms caused by the unusual weather pattern started to hit Maine late Monday and are expected to continue through ...

A common upper-air pattern seems to be coming a few weeks early. It could be the sign this particular weather pattern will be ...

By Tuesday, a heavy rain and thunderstorm pattern will sweep across eastern Texas, Oklahoma, Arkansas and Louisiana. Intense ...

"Intense" thunderstorms roll into Texas Friday. An omega block is likely to bring flooding risks and low temperatures over ...

Meteorologist Sven Sundgaard analyses the blocking pattern and a surge of warmth — perhaps near 90 degrees on Mother's Day — ...