An Omega High is a blocking pattern combined of two cutoff lows with a high squeezed between them. The size of the pattern ...

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 ...

Upcoming weather pattern gets its name from the Greek alphabet and it plays big role in our forecast. Here's what to know.