Arizona, 2020

Heat in Arizona, June 24 to 28, 2020

June 24 to 28, 2020 · NWS PSR · 4 events in 1 county or zone

Strong high pressure over the Desert Southwest led to temperatures climbing at or above 110 degrees in Phoenix for several days at the end of the month. According to the Maricopa County Department of Public Health, 6 heat-associated fatalities occurred during this time.

Where it happened

Every event with a place to put it; 4 filed by county or forecast zone are drawn at its center, in a lighter ring. Tap one for its entry below.

  • Tornadoes
  • Tropical storms and surge
  • Floods
  • Wind
  • Hail
  • Winter weather
  • Heat and drought
  • Cold
  • Fire, smoke and dust
  • Marine and coastal
  • Other

Open the live radar over this ground

The toll

Deaths
6
Injuries
0
Property damage
None recorded
Crop damage
None recorded
Events
4

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.

What happened

The episode as NWS PSR wrote it up.

Strong high pressure over the Desert Southwest led to temperatures climbing at or above 110 degrees in Phoenix for several days at the end of the month. According to the Maricopa County Department of Public Health, 6 heat-associated fatalities occurred during this time.

What forecasters said that day

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 Jun 23, 4:15 PM MST, 7 hours 45 minutes earlier.

Area forecast discussion, Jun 23, 4:15 PM MST, 7 hours 45 minutes before
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The radar

The national radar mosaic for the moment the first event began.

Open the radar archive at this moment

Event by event

4 heat. Local standard time, as filed.

Heat, Central Phoenix

When
June 24, 12:00 AM MST to 11:59 PM MST
Where
Central Phoenix forecast zone
Deaths
1 direct, 0 indirect
Reported by
County Official
Coordinates
33.349, -112.491 (the zone’s center; the record gives no point)

One direct fatality was reported by the Maricopa County Department of Public Health, with their details, such as age, gender, circumstances and location unavailable.

Heat, Central Phoenix

When
June 25, 12:00 AM MST to 11:59 PM MST
Where
Central Phoenix forecast zone
Deaths
1 direct, 0 indirect
Reported by
County Official
Coordinates
33.349, -112.491 (the zone’s center; the record gives no point)

One direct fatality was reported by the Maricopa County Department of Public Health, with their details, such as age, gender, circumstances and location unavailable.

Heat, Central Phoenix

When
June 26, 12:00 AM MST to 11:59 PM MST
Where
Central Phoenix forecast zone
Deaths
3 direct, 0 indirect
Reported by
County Official
Coordinates
33.349, -112.491 (the zone’s center; the record gives no point)

Three direct fatalities were reported by the Maricopa County Department of Public Health, with their details, such as age, gender, circumstances and location unavailable.

Heat, Central Phoenix

When
June 28, 5:00 PM MST
Where
Central Phoenix forecast zone
Deaths
1 direct, 0 indirect
Reported by
County Official
Coordinates
33.349, -112.491 (the zone’s center; the record gives no point)

One direct fatality reported by the Maricopa County Department of Public Health, with their details, such as age, gender, circumstances and location unavailable.

The people who died

As the offices recorded each death: direct deaths were caused by the weather itself, indirect ones by something it set in motion.

EventDateAgeSexWhereKind
Heat, Central Phoenix2020-06-24UnknownDirect
Heat, Central Phoenix2020-06-25UnknownDirect
Heat, Central Phoenix2020-06-26UnknownDirect
Heat, Central Phoenix2020-06-26UnknownDirect
Heat, Central Phoenix2020-06-26UnknownDirect
Heat, Central Phoenix2020-06-28UnknownDirect

What these are

Heat
Heat below excessive heat criteria that still caused deaths, injuries or significant impacts.

After NWS Directive 10-1605, the rules offices file Storm Data by.

The same day elsewhere

More

Every storm in Arizona in 2020Every state in 2020This day in weather historyWarnings in Arizona, June 2020

Sources

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: 990650, 990651, 990653, 990655.