Arizona, 2020Excessive Heat and Heat in Arizona, July 9 to 14, 2020
July 9 to 14, 2020 · NWS PSR · 36 events in 34 counties and zones
A very strong area of high pressure strengthened over the southwest United States, leading to excessive heat conditions across the region. Temperatures in Phoenix exceeded 110 degrees each day with afternoon highs reaching or exceeding 115 degrees on the 11th and the 12th.
Every event with a place to put it; 36 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
- Deaths
- 47
- Injuries
- 0
- Property damage
- None recorded
- Crop damage
- None recorded
- Events
- 36
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.
A very strong area of high pressure strengthened over the southwest United States, leading to excessive heat conditions across the region. Temperatures in Phoenix exceeded 110 degrees each day with afternoon highs reaching or exceeding 115 degrees on the 11th and the 12th. According to the Maricopa County Department of Public Health, 47 heat-associated fatalities occurred during this event.
Heat, Central Phoenix
- When
- July 9, 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 heat-associated fatalities were reported by the Maricopa County Department of Public Health, with their details, such as age, gender, circumstances and location unavailable.
Excessive Heat, Central Phoenix
- When
- July 10, 10:00 AM MST to July 13, 8:00 PM MST
- Where
- Central Phoenix forecast zone
- Deaths
- 32 direct, 0 indirect
- Reported by
- County Official
- Coordinates
- 33.349, -112.491 (the zone’s center; the record gives no point)
Thirty-two heat-associated fatalities were reported by the Maricopa County Department of Public Health, with their details, such as age, gender, circumstances and location unavailable.
Excessive Heat, Northwest Valley
- When
- July 10, 10:00 AM MST to July 13, 8:00 PM MST
- Where
- Northwest Valley forecast zone
- Reported by
- County Official
- Coordinates
- 33.349, -112.491 (the zone’s center; the record gives no point)
Excessive Heat, Buckeye/Avondale
- When
- July 10, 10:00 AM MST to July 13, 8:00 PM MST
- Where
- Buckeye/Avondale forecast zone
- Reported by
- County Official
- Coordinates
- 33.349, -112.491 (the zone’s center; the record gives no point)
Excessive Heat, Cave Creek/New River
- When
- July 10, 10:00 AM MST to July 13, 8:00 PM MST
- Where
- Cave Creek/New River forecast zone
- Reported by
- County Official
- Coordinates
- 33.349, -112.491 (the zone’s center; the record gives no point)
Excessive Heat, Deer Valley
- When
- July 10, 10:00 AM MST to July 13, 8:00 PM MST
- Where
- Deer Valley forecast zone
- Reported by
- County Official
- Coordinates
- 33.349, -112.491 (the zone’s center; the record gives no point)
Excessive Heat, North Phoenix/Glendale
- When
- July 10, 10:00 AM MST to July 13, 8:00 PM MST
- Where
- North Phoenix/Glendale forecast zone
- Reported by
- County Official
- Coordinates
- 33.349, -112.491 (the zone’s center; the record gives no point)
Excessive Heat, Scottsdale/Paradise Valley
- When
- July 10, 10:00 AM MST to July 13, 8:00 PM MST
- Where
- Scottsdale/Paradise Valley forecast zone
- Reported by
- County Official
- Coordinates
- 33.349, -112.491 (the zone’s center; the record gives no point)
Excessive Heat, East Valley
- When
- July 10, 10:00 AM MST to July 13, 8:00 PM MST
- Where
- East Valley forecast zone
- Reported by
- County Official
- Coordinates
- 33.349, -112.491 (the zone’s center; the record gives no point)
Excessive Heat, Fountain Hills/East Mesa
- When
- July 10, 10:00 AM MST to July 13, 8:00 PM MST
- Where
- Fountain Hills/East Mesa forecast zone
- Reported by
- County Official
- Coordinates
- 33.349, -112.491 (the zone’s center; the record gives no point)
Excessive Heat, South Mountain/Ahwatukee
- When
- July 10, 10:00 AM MST to July 13, 8:00 PM MST
- Where
- South Mountain/Ahwatukee forecast zone
- Reported by
- County Official
- Coordinates
- 33.349, -112.491 (the zone’s center; the record gives no point)
Excessive Heat, Southeast Valley/Queen Creek
- When
- July 10, 10:00 AM MST to July 13, 8:00 PM MST
- Where
- Southeast Valley/Queen Creek forecast zone
- Reported by
- County Official
- Coordinates
- 33.349, -112.491 (the zone’s center; the record gives no point)
Excessive Heat, San Carlos
- When
- July 10, 10:00 AM MST to July 13, 8:00 PM MST
- Where
- San Carlos forecast zone
- Reported by
- County Official
- Coordinates
- 33.800, -110.812 (the zone’s center; the record gives no point)
Excessive Heat, Parker Valley
- When
- July 11, 10:00 AM MST to July 13, 8:00 PM MST
- Where
- Parker Valley forecast zone
- Reported by
- County Official
- Coordinates
- 33.729, -113.981 (the zone’s center; the record gives no point)
Excessive Heat, Kofa
- When
- July 11, 10:00 AM MST to July 13, 8:00 PM MST
- Where
- Kofa forecast zone
- Reported by
- County Official
- Coordinates
- 33.249, -113.943 (the zone’s center; the record gives no point)
Excessive Heat, Yuma
- When
- July 11, 10:00 AM MST to July 13, 8:00 PM MST
- Where
- Yuma forecast zone
- Reported by
- County Official
- Coordinates
- 32.769, -113.906 (the zone’s center; the record gives no point)
Excessive Heat, Central la Paz
- When
- July 11, 10:00 AM MST to July 13, 8:00 PM MST
- Where
- Central la Paz forecast zone
- Reported by
- County Official
- Coordinates
- 33.729, -113.981 (the zone’s center; the record gives no point)
Excessive Heat, Aguila Valley
- When
- July 11, 10:00 AM MST to July 13, 8:00 PM MST
- Where
- Aguila Valley forecast zone
- Reported by
- County Official
- Coordinates
- 33.349, -112.491 (the zone’s center; the record gives no point)
Excessive Heat, Southeast Yuma County
- When
- July 11, 10:00 AM MST to July 13, 8:00 PM MST
- Where
- Southeast Yuma County forecast zone
- Reported by
- County Official
- Coordinates
- 32.769, -113.906 (the zone’s center; the record gives no point)
Excessive Heat, Gila River Valley
- When
- July 11, 10:00 AM MST to July 13, 8:00 PM MST
- Where
- Gila River Valley forecast zone
- Reported by
- County Official
- Coordinates
- 32.769, -113.906 (the zone’s center; the record gives no point)
Excessive Heat, Tonopah Desert
- When
- July 11, 10:00 AM MST to July 13, 8:00 PM MST
- Where
- Tonopah Desert forecast zone
- Reported by
- County Official
- Coordinates
- 33.349, -112.491 (the zone’s center; the record gives no point)
Excessive Heat, Gila Bend
- When
- July 11, 10:00 AM MST to July 13, 8:00 PM MST
- Where
- Gila Bend forecast zone
- Reported by
- County Official
- Coordinates
- 33.349, -112.491 (the zone’s center; the record gives no point)
Excessive Heat, New River Mesa
- When
- July 11, 10:00 AM MST to July 13, 8:00 PM MST
- Where
- New River Mesa forecast zone
- Reported by
- County Official
- Coordinates
- 33.349, -112.491 (the zone’s center; the record gives no point)
Excessive Heat, Rio Verde/Salt River
- When
- July 11, 10:00 AM MST to July 13, 8:00 PM MST
- Where
- Rio Verde/Salt River forecast zone
- Reported by
- County Official
- Coordinates
- 33.349, -112.491 (the zone’s center; the record gives no point)
Excessive Heat, Superior
- When
- July 11, 10:00 AM MST to July 13, 8:00 PM MST
- Where
- Superior forecast zone
- Reported by
- County Official
- Coordinates
- 32.904, -111.345 (the zone’s center; the record gives no point)
Excessive Heat, Northwest Pinal County
- When
- July 11, 10:00 AM MST to July 13, 8:00 PM MST
- Where
- Northwest Pinal County forecast zone
- Reported by
- County Official
- Coordinates
- 32.904, -111.345 (the zone’s center; the record gives no point)
Excessive Heat, West Pinal County
- When
- July 11, 10:00 AM MST to July 13, 8:00 PM MST
- Where
- West Pinal County forecast zone
- Reported by
- County Official
- Coordinates
- 32.904, -111.345 (the zone’s center; the record gives no point)
Excessive Heat, Apache Junction/Gold Canyon
- When
- July 11, 10:00 AM MST to July 13, 8:00 PM MST
- Where
- Apache Junction/Gold Canyon forecast zone
- Reported by
- County Official
- Coordinates
- 32.904, -111.345 (the zone’s center; the record gives no point)
Excessive Heat, Tonto Basin
- When
- July 11, 10:00 AM MST to July 13, 8:00 PM MST
- Where
- Tonto Basin forecast zone
- Reported by
- County Official
- Coordinates
- 33.800, -110.812 (the zone’s center; the record gives no point)
Excessive Heat, Mazatzal Mountains
- When
- July 11, 10:00 AM MST to July 13, 8:00 PM MST
- Where
- Mazatzal Mountains forecast zone
- Reported by
- County Official
- Coordinates
- 33.575, -111.651 (the zone’s center; the record gives no point)
Excessive Heat, Pinal/Superstition Mountains
- When
- July 11, 10:00 AM MST to July 13, 8:00 PM MST
- Where
- Pinal/Superstition Mountains forecast zone
- Reported by
- County Official
- Coordinates
- 33.351, -111.549 (the zone’s center; the record gives no point)
Excessive Heat, Sonoran Desert Natl Monument
- When
- July 11, 10:00 AM MST to July 13, 8:00 PM MST
- Where
- Sonoran Desert Natl Monument forecast zone
- Reported by
- County Official
- Coordinates
- 33.349, -112.491 (the zone’s center; the record gives no point)
Excessive Heat, Dripping Springs
- When
- July 11, 10:00 AM MST to July 13, 8:00 PM MST
- Where
- Dripping Springs forecast zone
- Reported by
- County Official
- Coordinates
- 33.800, -110.812 (the zone’s center; the record gives no point)
Excessive Heat, Globe/Miami
- When
- July 11, 10:00 AM MST to July 13, 8:00 PM MST
- Where
- Globe/Miami forecast zone
- Reported by
- County Official
- Coordinates
- 33.800, -110.812 (the zone’s center; the record gives no point)
Excessive Heat, Southeast Gila County
- When
- July 11, 10:00 AM MST to July 13, 8:00 PM MST
- Where
- Southeast Gila County forecast zone
- Reported by
- County Official
- Coordinates
- 33.800, -110.812 (the zone’s center; the record gives no point)
Excessive Heat, Central Phoenix
- When
- July 14, 12:00 AM MST to 11:59 PM MST
- Where
- Central Phoenix forecast zone
- Deaths
- 12 direct, 0 indirect
- Reported by
- County Official
- Coordinates
- 33.349, -112.491 (the zone’s center; the record gives no point)
Twelve heat-associated fatalities were reported by the Maricopa County Department of Public Health, with their details, such as age, gender, circumstances and location unavailable.
| Event | Date | Age | Sex | Where | Kind |
|---|
| Heat, Central Phoenix | 2020-07-09 | | | Unknown | Direct |
| Heat, Central Phoenix | 2020-07-09 | | | Unknown | Direct |
| Heat, Central Phoenix | 2020-07-09 | | | Unknown | Direct |
| Excessive Heat, Central Phoenix | 2020-07-10 | | | Unknown | Direct |
| Excessive Heat, Central Phoenix | 2020-07-10 | | | Unknown | Direct |
| Excessive Heat, Central Phoenix | 2020-07-10 | | | Unknown | Direct |
| Excessive Heat, Central Phoenix | 2020-07-11 | | | Unknown | Direct |
| Excessive Heat, Central Phoenix | 2020-07-11 | | | Unknown | Direct |
| Excessive Heat, Central Phoenix | 2020-07-11 | | | Unknown | Direct |
| Excessive Heat, Central Phoenix | 2020-07-11 | | | Unknown | Direct |
| Excessive Heat, Central Phoenix | 2020-07-11 | | | Unknown | Direct |
| Excessive Heat, Central Phoenix | 2020-07-12 | | | Unknown | Direct |
| Excessive Heat, Central Phoenix | 2020-07-12 | | | Unknown | Direct |
| Excessive Heat, Central Phoenix | 2020-07-12 | | | Unknown | Direct |
| Excessive Heat, Central Phoenix | 2020-07-12 | | | Unknown | Direct |
| Excessive Heat, Central Phoenix | 2020-07-12 | | | Unknown | Direct |
| Excessive Heat, Central Phoenix | 2020-07-12 | | | Unknown | Direct |
| Excessive Heat, Central Phoenix | 2020-07-12 | | | Unknown | Direct |
| Excessive Heat, Central Phoenix | 2020-07-12 | | | Unknown | Direct |
| Excessive Heat, Central Phoenix | 2020-07-13 | | | Unknown | Direct |
| Excessive Heat, Central Phoenix | 2020-07-13 | | | Unknown | Direct |
| Excessive Heat, Central Phoenix | 2020-07-13 | | | Unknown | Direct |
| Excessive Heat, Central Phoenix | 2020-07-13 | | | Unknown | Direct |
| Excessive Heat, Central Phoenix | 2020-07-13 | | | Unknown | Direct |
| Excessive Heat, Central Phoenix | 2020-07-13 | | | Unknown | Direct |
| Excessive Heat, Central Phoenix | 2020-07-13 | | | Unknown | Direct |
| Excessive Heat, Central Phoenix | 2020-07-13 | | | Unknown | Direct |
| Excessive Heat, Central Phoenix | 2020-07-13 | | | Unknown | Direct |
| Excessive Heat, Central Phoenix | 2020-07-13 | | | Unknown | Direct |
| Excessive Heat, Central Phoenix | 2020-07-13 | | | Unknown | Direct |
| Excessive Heat, Central Phoenix | 2020-07-13 | | | Unknown | Direct |
| Excessive Heat, Central Phoenix | 2020-07-13 | | | Unknown | Direct |
| Excessive Heat, Central Phoenix | 2020-07-11 | | | Unknown | Direct |
| Excessive Heat, Central Phoenix | 2020-07-12 | | | Unknown | Direct |
| Excessive Heat, Central Phoenix | 2020-07-13 | | | Unknown | Direct |
| Excessive Heat, Central Phoenix | 2020-07-14 | | | Unknown | Direct |
| Excessive Heat, Central Phoenix | 2020-07-14 | | | Unknown | Direct |
| Excessive Heat, Central Phoenix | 2020-07-14 | | | Unknown | Direct |
| Excessive Heat, Central Phoenix | 2020-07-14 | | | Unknown | Direct |
| Excessive Heat, Central Phoenix | 2020-07-14 | | | Unknown | Direct |
| Excessive Heat, Central Phoenix | 2020-07-14 | | | Unknown | Direct |
| Excessive Heat, Central Phoenix | 2020-07-14 | | | Unknown | Direct |
| Excessive Heat, Central Phoenix | 2020-07-14 | | | Unknown | Direct |
| Excessive Heat, Central Phoenix | 2020-07-14 | | | Unknown | Direct |
| Excessive Heat, Central Phoenix | 2020-07-14 | | | Unknown | Direct |
| Excessive Heat, Central Phoenix | 2020-07-14 | | | Unknown | Direct |
| Excessive Heat, Central Phoenix | 2020-07-14 | | | Unknown | Direct |
- Heat
- Heat below excessive heat criteria that still caused deaths, injuries or significant impacts.
- Excessive Heat
- Heat at or above the local excessive heat warning criteria, or heat that caused deaths.
After NWS Directive 10-1605, the rules offices file Storm Data by.
- Rip Current in New York, July 9, 20201 death · 1 event
- Flash Flood in Michigan, July 9, 2020$1.0 million · 1 event
- Flash Flooding and Damaging Winds in Illinois, July 9, 2020$235,000 · 52 kt wind · 11 events
- Hail and Damaging Winds in Ohio, July 9, 2020$65,000 · 1 in hail · 9 events
- Heat in Texas, July 9 to 13, 202046 events
- Damaging Winds and Lightning Strike in Wisconsin, July 9, 2020$44,000 · 59 kt wind · 14 events
- Damaging Winds in Iowa, July 9, 2020$47,000 · 52 kt wind · 7 events
- Hail and Damaging Winds in Georgia, July 9 to 10, 2020$26,000 · 1.25 in hail · 13 events
- Excessive Heat and Hail in Texas, July 9, 20203 injured · 1.25 in hail · 6 events
- Flash Flood and Damaging Winds in Iowa, July 9, 202061 kt wind · 16 events
- Heat in New York, July 9, 202015 events
- Damaging Winds in Michigan, July 9, 20201 injured · 56 kt wind · 5 events
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: 992005, 992003, 992793, 992794, 992795, 992796, 992797, 992798, 992799, 992800, 992801, 992802, 992803, 992804, 992805, 992806, 992807, 992808, 992809, 992810, 992811, 992812, 992813, 992814, 992815, 992816, 992817, 992818, 992819, 992820, 992821, 992822, 992823, 992824, 992825, 992004.