Your current weather may be around awhile. The large-scale weather pattern that's now influencing much of the USA's weather – known as an omega block because of its resemblance to the Greek ...

A strange atmospheric pattern known as an "omega block" is preventing the usual eastward progression of weather across the U.S. — but what is this weird block, and when will it go away?

It could be the sign this particular weather pattern will be worked off by the end of May. Right now we have what we meteorologists call an “Omega Block” in the upper-air pattern. An Omega ...

An "omega block" is expected to form from California eastward into the Ohio Valley, the National Weather Service Weather Prediction Center said on May 2. The blocking pattern is so named because ...

An “omega block” weather pattern is forecast to set up across the country this weekend, possibly bringing some May snow. Here's what it will mean for you. The Weather Channel is forecasting a ...

It's almost guaranteed to arrive in the coming days thanks to the development of an "omega block" pattern over the United States. The pattern describes a type of flow in the upper air, and it gets ...

And it's all thanks to a pattern known as an omega block. An omega block is named because of its resemblance to the Greek letter Omega. This pattern occurs when the jet stream becomes extremely ...

Heavy rain and storms have stagnated over parts of the U.S. this week due to an ongoing omega block. | Credit: HaraldEWeiss/Getty Images A congested atmospheric pattern known as an "omega block" has ...