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?

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 ...

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

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

If you have been keeping an eye on weather forecasts recently, you may have heard meteorologists mention something called an “omega block”. A couple of days ago, weather models picked up on one over ...

The great weather we're currently enjoying is down to a a blocking area of high pressure sitting just to the north of Ireland ...

An Omega block with stabilize conditions in Calgary. Jodi Hughes has a look at the five-day forecast from the Sky Watch Weather Centre.

The extended period of dry, sunny weather is expected to conclude in about a week, with the UK Met Office forecasting a ...

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 ...

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