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.

A weather pattern called an 'Omega block' is going to bring a prolonged period of sunshine and dry weather say weather ...

The summer has gone on a short break in Ireland as unsettled weather took over this weekend but there are signs that high ...

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.

However, it's not all doom and gloom, with weather experts predicting that the record-breaking sunshine could persist for the ...

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 ...

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

It is defined by a powerful high pressure area with an area of low pressure "underneath" or south of the high pressure.