What is a temperature inversion?
Johanna Wagstaffe answers your questions in new weekly video column Science Smart
On long stretches of lingering fog or days when the mountains are warmer and sunnier than down at sea level, a temperature inversion is often to blame.
It is a common occurrence here in Vancouver, and is a term many Vancouverites may know well. But what exactly is it?
Johanna Wagstaffe answers that question in this week's Science Smart.