In about 15 minutes, Tempe recorded nearly three-quarters of an inch of rain. A supercell thunderstorm forms when wind speed and direction change with height, a phenomenon called wind shear.

Add Yahoo as a preferred source to see more of our stories on Google. As the cleanup continues from a destructive microburst that tore up Tempe neighborhoods on Monday, community members are coming ...

The assistant fire chief said several buildings are still rebuilding after the powerful storm last October.

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TEMPE, AZ (AZFamily) — Tempe leaders provided an update on Monday’s monsoon damage and what steps the city is taking in cleanup and restoration efforts. “Obviously, this is a very challenging day,” ...