Weather is never random. Every unusual storm, every record-breaking heat wave, every flood that seems to come out of nowhere ...

Finally, a much needed pattern change will bring a cooler and wetter pattern to the Western U.S. next week. A dip in the jet stream will allow for several rounds of rain and higher elevation snow in ...

Rossby waves are the large bends or meanders in the jet stream. When the jet stream dips southward, meteorologists call it a trough, which typically allows colder air to spill southward. When the jet ...