Excessive Heat — Tucson Metro Area, Arizona
July 14, 2023 · NOAA Storm Events record
Event narrative (NOAA)
Very hot temperatures of 6 to 13 degrees above normal caused the Major Heat Risk category to be reached across eastern Pima County July 14-29. Record highs at Tucson International Airport included 112 degrees on July 20 and 25 (also reached 112 July 18-19); 111 on July 16, 17 and 21; and 110 on the 15th. A total of 40 heat-related fatalities were reported by the Pima County Medical Examiner. Heat was determined to be the primary cause of death for 13 individuals in Tucson, one in Oro Valley, and one near Sahuarita. Seven of these deaths occurred outdoors while eight individuals were found indoors with A/C units which were either not working, turned off or not present at all. Heat was determined to be a contributing factor for 25 individuals, in Tucson or the immediate vicinity. Twelve of
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Source: NOAA/NCEI Storm Events Database. Deaths and injuries are those NOAA classifies as direct. Damage is the reporting office's estimate at the time and is not inflation-adjusted. This is a catalogue record, not a forecast.