Friday, August 17, 2012

Monsoon Rainbow, Flagstaff

Clearing storm and double rainbow, from Canyoneers office, Flagstaff, Arizona
(click on image for larger version)
We are presently in the heart of our late summer "monsoon" thunderstorm season here in northern Arizona. Moisture from the Pacific Ocean comes inland, and our hot August weather and ample sunshine combine to form thunderhead clouds, which can cause very localized rain showers. 

Besides being the primary source of the Southwest's summertime precipitation, it's also a gorgeous time for nature lovers. Arizona blue sky, dramatic cumulus and thunderhead clouds, rain curtains, and sunshine can sometimes be seen all at once. Grass and other ground plants sprout, greening the forests and rangeland. 

And the rain showers usually are brief, though sometimes intense. They are what flash floods can be borne of.

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