The further out you go in a weather forecast, the harder it is for meteorologists to know what’s going to happen. So how do they get an idea of what’s coming down the pipe several days or weeks ahead ...

Rain? Sleet? Freezing rain? Snow? Even the most advanced Doppler radars can struggle to tell the difference. Here's why.

A forecast model is essentially a supercomputer that attempts to simulate behaviors in the atmosphere. An ensemble refers to ...