How often does the city experience dust storms like that? (Been having trouble posting all day) Harry
From: Mark Iverson <[email protected]> >To: [email protected] >Sent: Thursday, July 7, 2011 6:41:20 PM >Subject: [Vo]: Time-lapse of massive dust storm hitting Phoenix... > >Amazing video (time-lapse) of massive dust storm in Phoenix, Arizona... > >http://www.youtube.com/watch?v=vYnuzoH5oBA&feature=related > >Note the sky above the leading edge and how clouds form... Temperature and >pressure must be changing >quite dramatically. > >-Mark > > > > >
