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 ...

The sweeping pattern that's now influencing much of the USA's weather is called an omega block because of its resemblance to the Greek letter.

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

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

Warm weather set to give way to more unsettled conditions - but forecasters predict warm summer ahead in Ireland ...

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

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.

MET Eireann has slapped five counties with a new Status Yellow thunderstorm warning that is already in affect. The alert, ...

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 ...

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