Tornado Alley (PROG)

[StephanieVanbryce]

As a practical matter, neither the states nor the federal government can allow major cities to run dry. But because the lakes’ water levels drop faster the lower they get — the canyons holding their water are V-shaped — Arizona officials say governments must act soon to stave off that worst-case scenario.

http://www.nytimes.com/2014/06/18/us/arizona-cities-could-face-cutbacks-in-water-from-colorado-river-officials-say.html

it's a great and very sobering article, it's the entire southwest... . come on El Nino .. ;)