The omega block creates stagnant weather, leading to heavy rain, floods, and temperature extremes across the U.S.

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?

However, it's not all bad news, as weather experts predict that the record-breaking sunshine could continue for most of the ...

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

An omega block is an atmospheric phenomenon in which a blob of high-pressure air remains trapped between two blobs of low-pressure air for a prolonged period. This sandwich configuration forces ...

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 ...

Get ready for a surge of warmth and humidity in Minnesota. 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 ...

Right now we have what we meteorologists call an “Omega Block” in the upper-air pattern. An Omega Block is when the upper-level flow winds around in the shape of the Greek letter Omega.

More than half of all the stations have had their highest ever mean maximum temperatures for spring and the majority of all ...