Circumhorizontal arcs (loosely known as fire rainbows) are the rarest of all naturally occurring atmospheric phenomena.
21
Contrary to popular belief, lightning travels from the ground upwards not from the sky downwards.
101
Temperatures have been cooling since 2002, even as carbon dioxide has continued to rise.
106
Oak trees are struck by lightning more than any other tree.
266
Dirty snow melts faster than clean.
350
The winter of 1932 in the US was so cold that Niagara falls froze completely solid!
442
Moist air holds heat better than dry air.
114