A strange atmospheric pattern known as an "omega block" is preventing the usual eastward progression of weather across the U.S. — but what is this weird block, and when will it go away?

Depending on the location of the Omega block, Michigan can be under the influence of the high-pressure system that would bring sunshine, quiet, and warm weather.

Even as the omega block pattern has broken down, this low won’t budge. Since it’s detached from any steering currents, it can sit and spin for days. And it should remain parked until next week.

It’s all thanks to something known as an Omega Blocking Pattern. The region has been pretty wet with showers over the weekend. Those showers are part of a large global weather pattern, […] ...

An omega block is a slow-moving weather pattern in which two low pressure systems become stalled on either side of a high pressure area, creating a configuration that resembles the Greek letter ...

Meteorologist Sven Sundgaard analyses the blocking pattern and a surge of warmth — perhaps near 90 degrees on Mother's Day — to Minnesota. How long will it last and when are changes coming?

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) for the ...

Severe storms strike across the country due to 'omega block' weather pattern The U.S. is experiencing an “omega block," which locks in unsettled conditions in some areas while others have ...

If you’ve ever wondered what an Omega block was, you’re living through it now. The term describes the weather pattern where a jet stream moves in the shape of the Greek letter Omega (Ω).

Drizzly days bring relatively low rainfall to Maine, despite ‘omega block’ Between Sunday and Tuesday evening, less than 2 inches of rain fell over most of the state, though parts of southern ...

What is an ‘omega block’ and how will it affect Texas’ … News / May 8, 2025 / 11:08 AM CDT Meteorologist Tommy House and Kristen Currie explain.

DAYTON, Ohio (WDTN) — The Miami Valley has seen a stalled low pressure over the area for several days, leading to on-and-off showers. It’s all thanks to something known as an Omega Blocking ...