This pattern disrupts typical west-to-east jet stream flow, causing stagnant weather conditions, including cool, showery weather in the East and West, and mild, clear conditions in the north-central U ...

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 ...

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 ...

It can't be seen with the naked eye, but a curious weather pattern in the upper level atmosphere above the continental United States is forecast to generate unsettled weather and some big temperature ...

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 ...

We have a BIG warm up on the way as an extended warm period begins this weekend and extends into next week BLOCKING PATTERNS IN THE ATMOSPHERE MATTER because they effectively put the brakes on ...

A blocking pattern known as a Rex block is setting up over Eastern North America, and is responsible for the revival of summer in Ontario and Quebec for the days to come We're just over a week away ...

Weather chatter to start December was squarely focused on the potential for a cold and snowy pattern to take hold in the eastern United States. One week later, confidence in this idea has slipped, as ...