A broad upper level ridge over the Desert Southwest led to continued above normal temperatures along with excessive heat conditions for the middle part of September. Temperatures most afternoons during this time in Phoenix topped out around 108-109 degrees. According to the Maricopa County Department of Public Health, 10 heat-associated fatalities occurred during this time. One of these fatalities included a person who died while hiking in Scottsdale. According to local media reports, a couple from Rhode Island started hiking around noon on the 12th at Brown's Ranch Trailhead in Scottsdale. After splitting up during the hike, the wife never returned to their meeting location. Local authorities responded and discovered that the wife had succumbed to the heat.

Excessive Heat in PARKER VALLEY, ARIZONA
From 12-SEP-21 10:00:00 to 13-SEP-21 20:00:00 (MST-7)
Property damage: 0.00K
Crop damage: 0.00K
Reported by: County Official

Excessive Heat in YUMA, ARIZONA
From 12-SEP-21 10:00:00 to 13-SEP-21 20:00:00 (MST-7)
Property damage: 0.00K
Crop damage: 0.00K
Reported by: County Official

Excessive Heat in KOFA, ARIZONA
From 12-SEP-21 10:00:00 to 13-SEP-21 20:00:00 (MST-7)
Property damage: 0.00K
Crop damage: 0.00K
Reported by: County Official

Excessive Heat in SOUTHEAST YUMA COUNTY, ARIZONA
From 12-SEP-21 10:00:00 to 13-SEP-21 20:00:00 (MST-7)
Property damage: 0.00K
Crop damage: 0.00K
Reported by: County Official

Excessive Heat in CENTRAL LA PAZ, ARIZONA
From 12-SEP-21 10:00:00 to 13-SEP-21 20:00:00 (MST-7)
Property damage: 0.00K
Crop damage: 0.00K
Reported by: County Official

Excessive Heat in GILA RIVER VALLEY, ARIZONA
From 12-SEP-21 10:00:00 to 13-SEP-21 20:00:00 (MST-7)
Property damage: 0.00K
Crop damage: 0.00K
Reported by: County Official

Excessive Heat in TONOPAH DESERT, ARIZONA
From 12-SEP-21 10:00:00 to 13-SEP-21 20:00:00 (MST-7)
Property damage: 0.00K
Crop damage: 0.00K
Reported by: County Official

Excessive Heat in WEST PINAL COUNTY, ARIZONA
From 12-SEP-21 10:00:00 to 13-SEP-21 20:00:00 (MST-7)
Property damage: 0.00K
Crop damage: 0.00K
Reported by: County Official

Excessive Heat in SONORAN DESERT NATL MONUMENT, ARIZONA
From 12-SEP-21 10:00:00 to 13-SEP-21 20:00:00 (MST-7)
Property damage: 0.00K
Crop damage: 0.00K
Reported by: County Official

Excessive Heat in SCOTTSDALE/PARADISE VALLEY, ARIZONA
From 12-SEP-21 10:00:00 to 13-SEP-21 20:00:00 (MST-7)
Property damage: 0.00K
Crop damage: 0.00K
Reported by: County Official

Excessive Heat in AGUILA VALLEY, ARIZONA
From 12-SEP-21 10:00:00 to 13-SEP-21 20:00:00 (MST-7)
Property damage: 0.00K
Crop damage: 0.00K
Reported by: County Official

Excessive Heat in NORTH PHOENIX/GLENDALE, ARIZONA
From 12-SEP-21 10:00:00 to 13-SEP-21 20:00:00 (MST-7)
Property damage: 0.00K
Crop damage: 0.00K
Reported by: County Official

Excessive Heat in APACHE JUNCTION/GOLD CANYON, ARIZONA
From 12-SEP-21 10:00:00 to 13-SEP-21 20:00:00 (MST-7)
Property damage: 0.00K
Crop damage: 0.00K
Reported by: County Official

Excessive Heat in CENTRAL PHOENIX, ARIZONA
From 12-SEP-21 10:00:00 to 13-SEP-21 20:00:00 (MST-7)
Property damage: 0.00K
Crop damage: 0.00K
Reported by: County Official

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

Excessive Heat in BUCKEYE/AVONDALE, ARIZONA
From 12-SEP-21 10:00:00 to 13-SEP-21 20:00:00 (MST-7)
Property damage: 0.00K
Crop damage: 0.00K
Reported by: County Official

Excessive Heat in FOUNTAIN HILLS/EAST MESA, ARIZONA
From 12-SEP-21 10:00:00 to 13-SEP-21 20:00:00 (MST-7)
Property damage: 0.00K
Crop damage: 0.00K
Reported by: County Official

Heat in NORTH PHOENIX/GLENDALE, ARIZONA
From 11-SEP-21 00:00:00 to 11-SEP-21 23:59:00 (MST-7)
Property damage: 0.00K
Crop damage: 0.00K
Reported by: County Official

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.

Heat in SOUTHEAST VALLEY/QUEEN CREEK, ARIZONA
From 11-SEP-21 00:00:00 to 11-SEP-21 23:59:00 (MST-7)
Property damage: 0.00K
Crop damage: 0.00K
Reported by: County Official

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.

Heat in BUCKEYE/AVONDALE, ARIZONA
From 11-SEP-21 00:00:00 to 11-SEP-21 23:59:00 (MST-7)
Property damage: 0.00K
Crop damage: 0.00K
Reported by: County Official

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.

Excessive Heat in CAVE CREEK/NEW RIVER, ARIZONA
From 12-SEP-21 12:30:00 to 12-SEP-21 15:15:00 (MST-7)
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Broadcast Media

A couple from Rhode Island started hiking around noon on the 12th at Brown's Ranch Trailhead in Scottsdale. After splitting up during the hike, the wife never returned to their meeting location. Local authorities from various agencies responded to search for the missing woman. Shortly after 2100MST, local authorities found the missing woman who had succumbed to the heat.

Excessive Heat in DEER VALLEY, ARIZONA
From 12-SEP-21 10:00:00 to 13-SEP-21 20:00:00 (MST-7)
Property damage: 0.00K
Crop damage: 0.00K
Reported by: County Official

Excessive Heat in NORTHWEST VALLEY, ARIZONA
From 12-SEP-21 10:00:00 to 13-SEP-21 20:00:00 (MST-7)
Property damage: 0.00K
Crop damage: 0.00K
Reported by: County Official

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.

Excessive Heat in GILA BEND, ARIZONA
From 12-SEP-21 10:00:00 to 13-SEP-21 20:00:00 (MST-7)
Property damage: 0.00K
Crop damage: 0.00K
Reported by: County Official

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.

Excessive Heat in EAST VALLEY, ARIZONA
From 12-SEP-21 10:00:00 to 13-SEP-21 20:00:00 (MST-7)
Property damage: 0.00K
Crop damage: 0.00K
Reported by: County Official

Excessive Heat in NORTHWEST PINAL COUNTY, ARIZONA
From 12-SEP-21 10:00:00 to 13-SEP-21 20:00:00 (MST-7)
Property damage: 0.00K
Crop damage: 0.00K
Reported by: County Official

Excessive Heat in SOUTH MOUNTAIN/AHWATUKEE, ARIZONA
From 12-SEP-21 10:00:00 to 13-SEP-21 20:00:00 (MST-7)
Property damage: 0.00K
Crop damage: 0.00K
Reported by: County Official

Excessive Heat in SOUTHEAST VALLEY/QUEEN CREEK, ARIZONA
From 12-SEP-21 10:00:00 to 13-SEP-21 20:00:00 (MST-7)
Property damage: 0.00K
Crop damage: 0.00K
Reported by: County Official