Here's how Arizona State University classifies dust storms amid monsoon season
10:22
Here's how Arizona State University classifies dust storms amid monsoon season
Arizona State University has come up with the Phoenix Dust Storm Scale, which aims to rank storms on a scale of one to five - five being the strongest. Certified Consulting Meteorologist Jonny Malloy joins FOX Weather Meteorologist Ari Sarsalari to discuss the impact of dust storms.
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