A slow-moving storm over the Central United States this week will act as the catalyst for a risk of severe thunderstorms and ...

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

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

Texas faces strong storms and flooding risks this week, as an unusual weather pattern places the state at its center. Stay ...

A weather pattern bringing severe weather across Texas has caused thousands to lose power. See our power outage map.

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

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

A stalled weather system is wreaking havoc on Texas air travel, with widespread delays and extended ground stops.

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 ...

For several days, the weather pattern over the U.S. will become blocked and slow. That means soaking, possibly flooding rain ...

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

Rainstorms caused by the unusual weather pattern are expected to hit Maine late Monday and continue through Wednesday.