<p>A monsoon storm swept through Phoenix, Arizona, on Monday, July 30, downing power lines.</p><p>About 100,000 customers were left without power due to the storm, AZCentral.com reported</a>.</p><p>In a tweet</a>, the National Weather Service in Phoenix warned there was a dust storm warning in effect until 9.30pm.</p><p>This video shows the monsoon winds and dust storm in North Phoenix. Credit: @_dan_i_ via Storyful</p><br />
