Quote:
Originally Posted by phxSUNSfan
http://www.climatehotmap.org/global-...s/drought.html
Also, Phoenix is roughly in the same boat as Tucson. Phoenix averages over 8" of rain a year while Tucson gets around 12". I have also heard that 10" or less is sometimes used to define a desert. Most scientist today do not use these hard figures to describe deserts as there are many subcategories. The Sonoran Desert is mostly a subtropical/semi-arid desert and is the wettest desert in the world...with the exception of some regions like Yuma which only receives about 3". However, you are wrong about Bagdad, AZ (unless you meant Baghdad, Iraq)...it actually gets more rain than Tucson and averages 14.4" a year (and 3" of snow per year). Phoenix, Tucson, and Bagdad receive much more rain than Las Vegas in the Mojave Desert. Vegas averages around 3.5" a year.
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Yes I was referring to Iraq; as in progressively hotter and dryer starting with a move toward a Phoenix climate more immediately (hotter and dryer) and trending towards Iraq in 100+ year projections.