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 letter ...

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 ...

What was a rapid planting progress across the Midwest became stalled by a wetter weather pattern to finish April. But now that we’re into May, an Omega Block is causing that pattern to shift, and that ...