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 ...

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 call an “Omega Block” in the upper-air pattern. An Omega ...

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?

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 ...

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 ...

This particular pattern is not necessarily rare, but when it occurs, it can completely dominate our local weather. The Omega Block pattern features upper-level low pressure on either side of upper ...