A weather pattern named for the Greek letter omega is guiding the United States' weather as May turns to June, forecasters said, and the pattern is forecast to continue. Indeed, get ready for weather ...

A blocking pattern will make for slow-moving weather. From a flood threat to upside down temperatures: here’s what we’re watching.

Add Yahoo as a preferred source to see more of our stories on Google. A powerful atmospheric pattern known as an “omega block” is currently locking weather across the United States into place, ...

An atmospheric pattern with a funky name won't cause any hazardous weather in Northern California, but it will lock in a stable weather pattern for the holiday weekend. An Omega block - named after ...