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 letter omega – isn't budging right now.

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 letter omega – isn't budging right now.

However, by the end of the fourth century BC, the Ionic-based Euclidean alphabet, made up of 24 letters from alpha to omega, had become standard throughout the Greek-speaking world. It is a ...

The Omega sign is found in the US dollar bill, and it stands for endings, as opposed to the Greek letter Alpha, which stands ...

Omega block weather pattern is forecast this weekend to flip temperatures, ... an omega block weather pattern is where the jet stream takes on the shape of the Greek letter Omega — Ω.