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

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

The Omega Block sounds like a great name for a progressive heavy metal band. All that aside, it is a legit weather pattern.

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

An "omega block" in the atmosphere will enhance the chances for stormy weather and big shifts in temperature over parts of ...

Omega block weather pattern is forecast this weekend to flip temperatures, bring snow, storms across the country. Here's what ...

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

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

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

Millions of people in the Midwest and Ohio Valley are likely to see increasing chances of severe weather this week after ...

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