| 13:10 | PETERSON | MARICOPA | Extreme and widespread wind damage from a supercell thunderstorm was observed in Tempe. The most severe damage was concentrated in a 2-2.5 mile north-south corridor just east of I-10, between Downtown Tempe and Warner Road. A damage assessment, based on 1086 total surveys conducted in the days following the event, determined that over 550 homes and 70 businesses were damaged. Some of the home property damaged included two apartment complexes, located near the area of Mill Avenue and U.S. 60, that had 55 units that were deemed uninhabitable, with 11 additional units having severe damage. In total 89 units were impacted, equating to a total of 267 tenants affected. One mobile home park, located near the area of Baseline and Kyrene Roads, suffered severe damage with 6 mobile homes deemed uninhabitable with 336 additional sustaining severe damage. An industrial park located just across the street from the mobile home park had 63 businesses destroyed/sustain severe damage. Approximately 520 trees were lost in parks alone with many more downed trees, some very large-sized, causing damage to buildings and vehicles and downing powerlines. There were a total of 1500 tons of debris generated from the damage. A damage survey conducted by NWS Phoenix Meteorologists in the most affected areas supported peak wind gusts upwards of 80-90 mph. Given the extensive wind damage, a local state of emergency was declared for Tempe. Total damage cost was estimated at least $1.5 million. |
| 13:10 | KENDALL | MARICOPA | A 63 mph peak gust measured at Phoenix Sky Harbor International Airport. |
| 13:15 | KENDALL | MARICOPA | A 71 mph peak gust measured at a Salt River Project Mesonet Station located near the area of Washington Street and Center Parkway in Tempe. |
| 13:20 | (PHX)SKY HARBOR ARPT | MARICOPA | Downed powerlines along Air Ln between 32nd and 36th street near Sky Harbor Airport. Wind gusts were estimated at 60-65 mph. No injuries reported. |
| 13:20 | KENDALL | MARICOPA | Significant wind damage at the Phoenix Zoo in Tempe in the form of approximately a dozen downed trees and a couple of large zoo light displays blown over. The damage caused the closure of the zoo for approximately four days with an estimated $300,000 worth of damage. Wind gusts were estimated upwards of 70 mph. Timing estimated from radar. No injuries reported. |
| 13:38 | SCOTTSDALE MUNI | MARICOPA | Several large palo verde trees snapped in half and a metal shed blown from a home onto the middle of 56th street near the intersection with Thunderbird Road in Scottsdale. Wind gusts were estimated at near 60 mph. No injuries reported. |