If we have the May Omega Block worked out of the weather pattern, we should be almost summer-like by the end of May. I can’t predict the exact weather on each day of Memorial Day weekend, ...

The omega block pattern will continue to lead to areas of both well below normal and well above normal temperatures this week, the Weather Prediction Center said.

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 ...

An omega block is named because of its resemblance to the Greek letter Omega. This pattern occurs when the jet stream becomes extremely wavy, as opposed to the more typical east to west ...

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 ...

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 ...

An omega block pattern will bring threats of flooding rain to the Plains and Northeast, and some weird temperature maps across the country during the first full week of May.