Amazing videos of last night's dust storm or haboob, that surged over the Phoenix valley are popping up all over the internet. There's a good set of them at physicist Joe Romm's blog at Think Progress site, including this one:
There is a much more technical discussion at the CIMSS Satellite Blog, describing the Mesoscale Convective Vortex seen in satellite imagery that spawned the Phoenix haboob.
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