Some people don’t need a weather app — they feel the forecast in their bones. A storm rolls in and so do throbbing heads, ...

Atmospheric instability has two components: rising air and wind shear, which is created as wind speed changes with height.

Atmospheric instability has two components: rising air and wind shear, which is created as wind speed changes with height. The rising air, or updraft, is essential because air cools as it moves up ...