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

A strange atmospheric pattern known as an "omega block" is preventing the usual eastward progression of weather across the ...

Meteorologist Sven Sundgaard analyses the blocking pattern and a surge of warmth — perhaps near 90 degrees on Mother's Day — ...

The U.S. is experiencing an “omega block," which locks in unsettled conditions in some areas while others have extended dry ...

A weather pattern shaped like a Greek letter is to blame for the various rounds of stormy weather in North Texas of late.

Between Sunday and Tuesday evening, less than 2 inches of rain fell over most of the state, though parts of southern Maine ...

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

You have probably noticed that the first few days of May have been soggy for us across Mid-Michigan and there is a reason for ...

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

Rainstorms caused by the unusual weather pattern started to hit Maine late Monday and are expected to continue through ...

While many Eastern, Southern and Western states have experienced adverse weather due to the omega block, conditions in the north-central U.S. have remained mild and clear due to the location of ...

Thanks to the current Omega block, the Mississippi Coast will see scattered showers and thunderstorms Thursday, May 8, ...