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?

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

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

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 ...

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

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 ...

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

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

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 ...