Circumhorizontal arcs (loosely known as fire rainbows) are the rarest of all naturally occurring atmospheric phenomena.
21
In ten minutes, a hurricane releases more energy than all the world's nuclear weapons combined!
371
Dirty snow melts faster than clean.
350
Carbon dioxide is a trace gas and by itself will produce little warming. Also, as CO2 increases, the incremental warming is less, as the effect is logarithmic so the more CO2, the less warming it produces.
11
The speed of a typical raindrop is 17 miles per hour.
181
Contrary to popular belief, lightning travels from the ground upwards not from the sky downwards.
101