A weather pattern shaped like a Greek letter is to blame for the various rounds of stormy weather in North Texas of late.

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 are expected to hit Maine late Monday and continue through Wednesday.

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 ...

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

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

A not-so-typical weather pattern is happening right now above our heads. It's called an Omega Block Pattern because the upper ...

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

This week will kick off with more rain chances due to a blocking pattern across the country. An omega block pattern occurs ...

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

PORTLAND (WGME )--- Maine has been stuck with some very wet and cool weather. And it's all thanks to a pattern known as an ...