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

Seemingly unrelated weather systems illustrate how connected we are by larger patterns that move around in our atmosphere.

It is one of the most critical global challenges because it affects natural systems, economies, and societies worldwide.

A cold front bringing rain and gusty winds, which led to a dreary Easter, will be followed by a change in the weather pattern ...

The wildfire threat keeps going into the weekend, but a weather pattern change may be coming into early April.

PITTSBURGH — A quieter weather pattern has finally settled in! A weak clipper system could bring us a few flurries tonight or some spotty rain showers Thursday, but most of the day will be dry.

While weather anomalies are not entirely unusual, the persistence of these disturbances are impacting our health.