A large upper ridge which was centered over the four corners area built westward and strengthened over central California between June 15 and June 18 resulting in dangerously hot daytime temperatures becoming prevalent over the Kern County Deserts by June 15 and over the Lake Isabella and Tehachapi areas by June 17.  The heat surged into the San Joaquin Valley, West Side Hills and Sierra foothills by June 19 as daytime highs were 110 Degrees F or higher at several locations. Temperatures cooled slightly on June 20 and more significantly on June 21 and 22 as the ridge shifted to the east of the area.

Excessive Heat in INDIAN WELLS VALLEY, CALIFORNIA
From 15-JUN-21 10:00:00 to 20-JUN-21 19:00:00 (PST-8)
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Mesonet

Daytime highs ranged between 106 and 112 degrees on June 15, 18 and 20 and between 110 and 116 degrees on June 16, 17 and 19.

Excessive Heat in KERN COUNTY DESERT, CALIFORNIA
From 15-JUN-21 10:00:00 to 20-JUN-21 19:00:00 (PST-8)
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Mesonet

Daytime highs ranged between 106 and 112 degrees on June 15, 18 and 20 and between 110 and 116 degrees on June 16, 17 and 19.

Excessive Heat in LAKE ISABELLA, CALIFORNIA
From 17-JUN-21 10:00:00 to 19-JUN-21 19:00:00 (PST-8)
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Mesonet

Daytime highs ranged between 102 and 107 degrees on June 17, 18 and 19.

Excessive Heat in TEHACHAPI AREA, CALIFORNIA
From 17-JUN-21 10:00:00 to 19-JUN-21 19:00:00 (PST-8)
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Mesonet

Daytime highs ranged between 102 and 107 degrees on June 17, 18 and 19.

Excessive Heat in WEST SIDE HILLS, CALIFORNIA
From 18-JUN-21 10:00:00 to 20-JUN-21 19:00:00 (PST-8)
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Mesonet

Daytime highs ranged between 108 and 113 degrees on June 18 and 19 and between 106 and 111 degrees on June 20.

Excessive Heat in SAN JOAQUIN CONFLUENCE, CALIFORNIA
From 18-JUN-21 10:00:00 to 20-JUN-21 19:00:00 (PST-8)
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Mesonet

Daytime highs ranged between 108 and 113 degrees on June 18 and 19 and between 106 and 111 degrees on June 20.

Excessive Heat in MERCED AND MADERA, CALIFORNIA
From 18-JUN-21 10:00:00 to 20-JUN-21 19:00:00 (PST-8)
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Mesonet

Daytime highs ranged between 108 and 113 degrees on June 18 and 19 and between 106 and 111 degrees on June 20.

Excessive Heat in WESTERN SAN JOAQUIN VALLEY, CALIFORNIA
From 18-JUN-21 10:00:00 to 20-JUN-21 19:00:00 (PST-8)
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Mesonet

Daytime highs ranged between 108 and 113 degrees on June 18 and 19 and between 106 and 111 degrees on June 20.

Excessive Heat in FOGGY BOTTOM, CALIFORNIA
From 18-JUN-21 10:00:00 to 20-JUN-21 19:00:00 (PST-8)
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Mesonet

Daytime highs ranged between 108 and 113 degrees on June 18 and 19 and between 106 and 111 degrees on June 20.

Excessive Heat in FRESNO, CALIFORNIA
From 18-JUN-21 10:00:00 to 20-JUN-21 19:00:00 (PST-8)
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Mesonet

Daytime highs ranged between 108 and 113 degrees on June 18 and 19 and between 106 and 111 degrees on June 20.

Excessive Heat in TULARE COUNTY, CALIFORNIA
From 18-JUN-21 10:00:00 to 20-JUN-21 19:00:00 (PST-8)
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Mesonet

Daytime highs ranged between 108 and 113 degrees on June 18 and 19 and between 106 and 111 degrees on June 20.

Excessive Heat in SOUTHERN KINGS COUNTY, CALIFORNIA
From 18-JUN-21 10:00:00 to 20-JUN-21 19:00:00 (PST-8)
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Mesonet

Daytime highs ranged between 108 and 113 degrees on June 18 and 19 and between 106 and 111 degrees on June 20.

Excessive Heat in WESTERN SAN JOAQUIN VALLEY IN KERN COUNTY, CALIFORNIA
From 18-JUN-21 10:00:00 to 20-JUN-21 19:00:00 (PST-8)
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Mesonet

Daytime highs ranged between 108 and 113 degrees on June 18 and 19 and between 106 and 111 degrees on June 20.

Excessive Heat in EASTERN SAN JOAQUIN VALLEY IN KERN COUNTY, CALIFORNIA
From 18-JUN-21 10:00:00 to 20-JUN-21 19:00:00 (PST-8)
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Mesonet

Daytime highs ranged between 108 and 113 degrees on June 18 and 19 and between 106 and 111 degrees on June 20.

Excessive Heat in BAKERSFIELD, CALIFORNIA
From 18-JUN-21 10:00:00 to 20-JUN-21 19:00:00 (PST-8)
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Mesonet

Daytime highs ranged between 108 and 113 degrees on June 18 and 19 and between 106 and 111 degrees on June 20.

Excessive Heat in CENTRAL SIERRA FOOTHILLS, CALIFORNIA
From 17-JUN-21 10:00:00 to 20-JUN-21 19:00:00 (PST-8)
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Mesonet

Daytime highs ranged between 101 and 106 degrees on June 17, 18 and 20 and between 104 and 109 degrees on June 19.

Excessive Heat in SOUTHERN SIERRA FOOTHILLS, CALIFORNIA
From 17-JUN-21 10:00:00 to 20-JUN-21 19:00:00 (PST-8)
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Mesonet

Daytime highs ranged between 101 and 106 degrees on June 17, 18 and 20 and between 104 and 109 degrees on June 19.