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

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

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

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

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

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 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 ...

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

A congested atmospheric pattern known as an "omega block" has brought extreme downpours and thunderstorms to parts of the U.S. over the past week, with flood warnings issued Wednesday (May 7 ...