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 ...

It could be the sign this particular weather pattern will be worked off by the end of May. Right now we have what we meteorologists call an “Omega Block” in the upper-air pattern. An Omega ...

An "omega block" is expected to form from California eastward into the Ohio Valley, the National Weather Service Weather Prediction Center said on May 2. The blocking pattern is so named because ...

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 describes a type of flow in the upper air, and it gets ...