An upper level ridge over the western United States resulted in high temperatures climbing to around 5-10 degrees above normal in Phoenix during the middle part of May. High temperatures recorded at Phoenix Sky Harbor ranged between 100-105 degrees between the 13th through 16th.
Every event with a place to put it; 5 filed by county or forecast zone are drawn at its center, in a lighter ring. Tap one for its entry below.
Deaths and injuries are direct and indirect together, as the offices filed them. Damage is property and crops in the dollars of the year, not adjusted for inflation, and only where an office estimated it.
The episode as NWS PSR wrote it up.
An upper level ridge over the western United States resulted in high temperatures climbing to around 5-10 degrees above normal in Phoenix during the middle part of May. High temperatures recorded at Phoenix Sky Harbor ranged between 100-105 degrees between the 13th through 16th. According to the Maricopa County Department of Public Health, seven heat-associated fatalities occurred during this time.
The national radar mosaic for the moment the first event began.
4 heat, 1 excessive heat. Local standard time, as filed.
One direct fatality was reported by the Maricopa County Department of Public Health, with their details, such as age, gender, circumstances, and exact location unavailable.
One direct fatality was reported by the Maricopa County Department of Public Health, with their details, such as age, gender, circumstances, and exact location unavailable.
Two direct fatalities were reported by the Maricopa County Department of Public Health, with their details, such as age, gender, circumstances, and exact location unavailable.
One direct fatality was reported by the Maricopa County Department of Public Health, with their details, such as age, gender, circumstances, and exact location unavailable.
Two direct fatalities were reported by the Maricopa County Department of Public Health, with their details, such as age, gender, circumstances, and exact location unavailable.
As the offices recorded each death: direct deaths were caused by the weather itself, indirect ones by something it set in motion.
| Event | Date | Age | Sex | Where | Kind |
|---|---|---|---|---|---|
| Heat, Central Phoenix | 2023-05-13 | Unknown | Direct | ||
| Heat, North Phoenix/Glendale | 2023-05-14 | Unknown | Direct | ||
| Heat, Central Phoenix | 2023-05-15 | Unknown | Direct | ||
| Heat, Central Phoenix | 2023-05-15 | Unknown | Direct | ||
| Heat, East Valley | 2023-05-15 | Unknown | Direct | ||
| Excessive Heat, Central Phoenix | 2023-05-16 | Unknown | Direct | ||
| Excessive Heat, Central Phoenix | 2023-05-16 | Unknown | Direct |
After NWS Directive 10-1605, the rules offices file Storm Data by.
Every storm in Arizona in 2023Every state in 2023This day in weather historyWarnings in Arizona, May 2023
NOAA National Centers for Environmental Information, Storm Events Database, compiled from the National Weather Service’s monthly Storm Data. Complete through 2026-06; NCEI adds each month about 75 days after it ends and revises past years a few times a year. Rebuilt 2026-10-01. Each event’s entry at NCEI: 1209339, 1209340, 1209341, 1209342, 1209343.