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 ...

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 ...

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 ...