Black Toes

Trail running, running, and hiking in Colorado's Front Range.

Monday, January 17, 2005

Rayleigh scattering at it's best

I'm going running later today, but my wife woke me up to get some pictures of the clouds (I'm a meteorologist). Here's this mornings clouds: some cirrus, mountain wave clouds (to the west), and cumulus clouds. It's red because of Rayleigh scattering: all the shorter wavelengths get scattered out by the photons passing through a lot of the atmosphere. All that's left is the longer wavelengths:

These three are facing SE. You can see some cirrus in the top of the photos.

Here's the top of the mesas here in Golden:

Finally, facing west towards Mt. Galbraith open space (which has some awesome trail running - very technical in parts with 2000' of vertical in 4 miles.


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