You know that irresistible smell of earth when it’s about to rain? It actually has a name! Petrichor (/ˈpɛtrᵻkɔər/) is the earthy scent produced when rain falls on dry soil. Summer just isn’t summer without a few good storms, and the earthy smell in the air promises an exciting thunderstorm is underway! If watching lightning is your thing, and you love the smell of rain, this is right up your tornado alley.