Arizona was hit by its second giant dust storm in two weeks yesterday, turning the sky brown, delaying flights and causing mayhem for motorists, with llow visibility causing an eight-truck crash.
The dust storm, known as a haboob, formed in Pinal County and headed north-east, engulfing Phoenix at about 5:30 pm.
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Weather officials say haboobs only happen in Arizona, the Sahara desert and parts of the Middle East because of dry conditions and large amounts of sand. (And in the Southern Midwest During the 1930s.) http://www.livinghistoryfarm.org/farminginthe30s/water_02.html
Pollution levels skyrocket during dust storms and create even more breathing problems for people with asthma and other similar conditions. (No Kidding!)
Read more: http://www.dailymail.co.uk/news/article-2016375/Arizona-dust-storm-3-000ft-high-cloud-turns-sky-brown.html#ixzz1SZjJ96DZ
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