(Image credit: HaraldEWeiss/Getty Images) 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 ...

KIRKSVILLE, Mo. and OTTUMWA, Iowa — The current stretch of fantastic weather is due to a pattern that resembles a Greek letter. Our current weather pattern is known as the "Omega Block" pattern. This ...

PORTLAND (WGME)--- Maine has been stuck with some very wet and cool weather. And it's all thanks to a pattern known as an omega block. An omega block is named because of its resemblance to the Greek ...

FAYETTEVILLE, Ark. (KNWA/KFTA)— A not-so-typical weather pattern is happening right now above our heads. It’s called an Omega Block Pattern because the upper-level jet stream resembles the Greek ...

EASTERN IOWA — The WeatherFirst team has been discussing a pattern that would lead to repetitive weather this week and possibly into next week. This is all a part of an upper-level blocking pattern ...

GRAND RAPIDS, Mich. (WOOD — It has been a rainy start to May, with Grand Rapids already accumulating 1.22 inches. This week will kick off with more rain chances due to a blocking pattern across the ...

A common upper-air pattern seems to be coming a few weeks early. 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 ...

A blocky weather pattern, known as an Omega Block has developed across the country. This means that for us here in the upper Midwest, we are looking at stagnant weather conditions that will make it ...

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. What Is An Omega Block? If ...

Texas this week finds itself at the center of an unusual weather pattern called an omega block that promises daily chances for strong storms and flooding. What's behind this pattern and how much rain ...