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

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

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

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 uncommon atmospheric phenomenon known as an omega block will bring days of rain and thunderstorms to the Eastern Seaboard, starting on Saturday and lasting until Wednesday or Thursday.

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

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

The forecast for May is pointing to a rapid warm up with rains across the drought-stricken Plains, but there's a drier forecast for the heart of the Corn Belt. One meteorologist is concerned about the ...

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.

The weather pattern that soaked parts of Texas and Louisiana earlier this week will shift to the east before stalling, ...