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 ...

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

Thanks to the current Omega block, the Mississippi Coast will see scattered showers and thunderstorms Thursday, May 8, ...

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 ...

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

Between Sunday and Tuesday evening, less than 2 inches of rain fell over most of the state, though parts of southern Maine ...

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 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 ...

PORTLAND (WGME )--- Maine has been stuck with some very wet and cool weather. And it's all thanks to a pattern known as an omega block. When we see an omega block setup, the pattern becomes stuck in ...