A slow-moving storm over the Central United States this week will act as the catalyst for a risk of severe thunderstorms and flooding rainfall,” AccuWeather Meteorologist Bra ...

An omega blocking pattern is named after the Greek letter (Ω) and slows down the ordinary west-to-east flow of weather systems across the country.

An “omega block” weather pattern, so named for its resemblance to the Greek letter, is influencing conditions in Texas and the rest of the country.

Severe thunderstorms are predicted from Texas to Tennessee, with potential for large hail and tornadoes. An omega block weather pattern is causing heavy rain and severe thunderstorms, particularly ...

Clark says it could be too much of a good thing for some, as he’s concerned about too much rain in parts of Texas and Oklahoma. “But the Omega block is good news for folks that need to get ...

It’s about to rain for days in eastern states because of an unusual atmospheric phenomenon known as an omega block.

Texas this week finds itself at the center of an unusual weather pattern called an omega block that promises daily chances for strong storms and flooding. What's behind this pattern and how much ...

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

Severe storms and heavy rainfall are expected across the state early this week as the omega block looms over the United States. Portions of West Texas and far eastern New Mexico could see large ...

It will also trigger severe thunderstorms in Texas. The pattern is called an omega block, and its effects will be felt throughout the first full week of May. Here's what we know about its ...