Tune into any TV weather report and you’ll hear the words “Doppler radar” as meteorologists track storms across California. But how does Doppler radar work? And how accurate is it? The concept of ...

This week's question examines the details of a device that many of us take for granted when looking at our local weather. Morning Brief reader Mark asks, "How does radar work?" Meteorologist Sara ...

Radar systems generally consist of a transmitter which can produce electromagnetic signal and which is radiated into space using an antenna. When this signals strikes an object it reflects into many ...

Sallie Pero Mead was first hired at AT&T in 1915 as a “computer”—a human calculator—shortly after completing her master’s degree in mathematics at Columbia University. Before long she started working ...

Philadelphia weather: Measurable snow expected this weekend with bitter cold temps How much will it snow this weekend in Philadelphia? Timing, snowfall totals, and more ...