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.

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, ...

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 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 ...

What the Omega Block means for our weather pattern These areas of low pressure are your storm systems. Because this pattern is so amplified from north to south, it's more difficult to shift eastward.

A delightful stretch of weather is on the horizon because of a fascinating atmospheric phenomenon known as the omega block. This weather pattern, named after the Greek letter omega (Ω) due to its ...

Omega blocks get their name because the upper air pattern looks like the Greek letter omega (Ω). Omega blocks are a combination of two cutoff lows with one blocking high sandwiched between them.

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.