Your current weather may be around awhile. 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 ...

A congested atmospheric pattern known as an "omega block" has brought extreme downpours and thunderstorms to parts of the U.S. over the past week, with flood warnings issued Wednesday (May 7 ...

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 uncommon atmospheric phenomenon known as an omega block will bring days of rain and thunderstorms to the Eastern Seaboard, starting on Saturday and lasting until Wednesday or Thursday.

But now that we’re into May, an Omega Block is causing that pattern to shift, and that could bring good news for the drought-stricken Plains. It could also propel planting progress. Michael ...

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 ...

Right now we have what we meteorologists call an “Omega Block” in the upper-air pattern. An Omega Block is when the upper-level flow winds around in the shape of the Greek letter Omega.

Heavy rain and storms have stagnated over parts of the U.S. this week due to an ongoing omega block. | Credit: HaraldEWeiss/Getty Images A congested atmospheric pattern known as an "omega block" has ...