Circumhorizontal arcs (loosely known as fire rainbows) are the rarest of all naturally occurring atmospheric phenomena.
21
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 winter of 1932 in the US was so cold that Niagara falls froze completely solid!
442
Dirty snow melts faster than clean.
350
Men are 6 times more likely to be struck by lightning than women!
194
Moist air holds heat better than dry air.
114
There is a persistent storm in Venezuela that produces lightning 140 to 160 nights a year, 10 hours per day and up to 280 times per hour and has been going since at least the 16th century.
25
Contrary to popular belief, lightning travels from the ground upwards not from the sky downwards.
101