Unusually hot conditions developed over the region for several days at the end of the month. According to the Maricopa County Department of Public Health, there was 1 direct heat fatality.
Every event with a place to put it; 1 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.
Unusually hot conditions developed over the region for several days at the end of the month. According to the Maricopa County Department of Public Health, there was 1 direct heat fatality. As reported to Phoenix, the data are aggregrated and represent monthly values for several combined communities. Unfortunately, specifics such as age, gender, location of fatality, and circumstances cannot be obtained.
The local office's own words before the first event, as it sent them, from the Iowa Environmental Mesonet's archive of National Weather Service text.
NWS Phoenix, AZ wrote its last area forecast discussion before the first event at Apr 27, 3:37 PM MST, 2 hours 23 minutes earlier.
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</html>The national radar mosaic for the moment the first event began.
1 heat. Local standard time, as filed.
High temperatures reached 100 degrees in Phoenix, with the unusually warm conditions resulting in 1 direct fatality.
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 | 2018-05-01 | Unknown | Direct |
After NWS Directive 10-1605, the rules offices file Storm Data by.
Every storm in Arizona in 2018Every state in 2018This day in weather historyWarnings in Arizona, April 2018
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 2026-09-24. Each event’s entry at NCEI: 858357.