Thursday, April 07, 2011

Ugly Afternoon Yesterday - April 6th

As the Pacific system (see previous post) came across Arizona yesterday morning virga, or showers, with mammatus were followed by very gusty winds that filled the sky with dense clouds of blowing dust. Not at all a pretty sight in the early afternoon - as per 2 pm view north from the U of A campus (top). By 5 pm (bottom image) the dust was moving east, followed by another round of virga, showers, and mammatus. Here at the house we had a Trace of rainfall. Wind gusts reached 40 mph at TUS, where no rainfall was recorded. Hopefully the colder and stronger 500 mb short-wave tomorrow night and Saturday will do better by us!

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