California, 2020Excessive Heat and Heat in California, July 11 to 12, 2020
July 11 to 12, 2020 · NWS HNX · 15 events in 15 counties and zones
S. strengthened over California during the weekend of July 11 and 12 providing the Kern County Deserts with a period of excessive heat and the San Joaquin Valley, West Side Hills and Sierra foothills with a period of significant heat.
- Deaths
- 0
- Injuries
- 0
- Property damage
- None recorded
- Crop damage
- None recorded
- Events
- 15
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 large upper ridge over the southwestern U.S. strengthened over California during the weekend of July 11 and 12 providing the Kern County Deserts with a period of excessive heat and the San Joaquin Valley, West Side Hills and Sierra foothills with a period of significant heat. Afternoon temperatures were well into the triple digits in these areas during the weekend although no new records were set. Temperatures lowered some on July 13 in reponse to the ridge breaking down as a trough moved through the Pacific Northwest.
Heat, West Side Hills
- When
- July 11, 10:00 AM PST to July 12, 7:00 PM PST
- Where
- West Side Hills forecast zone
- Reported by
- Mesonet
Daytime highs ranged between 104 and 108 degrees on July 11 and July 12.
Heat, San Joaquin Confluence
- When
- July 11, 10:00 AM PST to July 12, 7:00 PM PST
- Where
- San Joaquin Confluence forecast zone
- Reported by
- Mesonet
Daytime highs ranged between 104 and 108 degrees on July 11 and July 12.
Heat, Merced and Madera
- When
- July 11, 10:00 AM PST to July 12, 7:00 PM PST
- Where
- Merced and Madera forecast zone
- Reported by
- Mesonet
Daytime highs ranged between 104 and 108 degrees on July 11 and July 12.
Heat, Western San Joaquin Valley
- When
- July 11, 10:00 AM PST to July 12, 7:00 PM PST
- Where
- Western San Joaquin Valley forecast zone
- Reported by
- Mesonet
Daytime highs ranged between 104 and 108 degrees on July 11 and July 12.
Heat, Foggy Bottom
- When
- July 11, 10:00 AM PST to July 12, 7:00 PM PST
- Where
- Foggy Bottom forecast zone
- Reported by
- Mesonet
Daytime highs ranged between 104 and 108 degrees on July 11 and July 12.
Heat, Fresno
- When
- July 11, 10:00 AM PST to July 12, 7:00 PM PST
- Where
- Fresno forecast zone
- Reported by
- Mesonet
Daytime highs ranged between 104 and 108 degrees on July 11 and July 12.
Heat, Tulare County
- When
- July 11, 10:00 AM PST to July 12, 7:00 PM PST
- Where
- Tulare County forecast zone
- Reported by
- Mesonet
Daytime highs ranged between 104 and 108 degrees on July 11 and July 12.
Heat, Southern Kings County
- When
- July 11, 10:00 AM PST to July 12, 7:00 PM PST
- Where
- Southern Kings County forecast zone
- Reported by
- Mesonet
Daytime highs ranged between 104 and 108 degrees on July 11 and July 12.
Heat, Western San Joaquin Valley in Kern County
- When
- July 11, 10:00 AM PST to July 12, 7:00 PM PST
- Where
- Western San Joaquin Valley in Kern County forecast zone
- Reported by
- Mesonet
Daytime highs ranged between 104 and 108 degrees on July 11 and July 12.
Heat, Eastern San Joaquin Valley in Kern County
- When
- July 11, 10:00 AM PST to July 12, 7:00 PM PST
- Where
- Eastern San Joaquin Valley in Kern County forecast zone
- Reported by
- Mesonet
Daytime highs ranged between 104 and 108 degrees on July 11 and July 12.
Heat, Bakersfield
- When
- July 11, 10:00 AM PST to July 12, 7:00 PM PST
- Where
- Bakersfield forecast zone
- Reported by
- Mesonet
Daytime highs ranged between 104 and 108 degrees on July 11 and July 12.
Heat, Central Sierra Foothills
- When
- July 11, 10:00 AM PST to July 12, 7:00 PM PST
- Where
- Central Sierra Foothills forecast zone
- Reported by
- Mesonet
Daytime highs ranged between 100 and 104 degrees on July 11 and July 12.
Heat, Southern Sierra Foothills
- When
- July 11, 10:00 AM PST to July 12, 7:00 PM PST
- Where
- Southern Sierra Foothills forecast zone
- Reported by
- Mesonet
Daytime highs ranged between 102 and 106 degrees on July 11 and July 12.
Excessive Heat, Indian Wells Valley
- When
- July 11, 10:00 AM PST to July 12, 7:00 PM PST
- Where
- Indian Wells Valley forecast zone
- Reported by
- Mesonet
Daytime highs ranged between 108 and 113 degrees on July 11 and July 12.
Excessive Heat, Kern County Desert
- When
- July 11, 10:00 AM PST to July 12, 7:00 PM PST
- Where
- Kern County Desert forecast zone
- Reported by
- Mesonet
Daytime highs ranged between 106 and 111 degrees on July 11 and July 12.
- 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.
- Hail and Damaging Winds in Illinois, July 11, 2020$7.1 million · 2.5 in hail · 67 events
- Tornado and Hail in Oklahoma, July 11 to 12, 2020$8.0 million · EF0 · 61 events
- Hail and Damaging Winds in Oklahoma, July 11, 2020$443,000 · 2 in hail · 63 events
- Tornado and Hail in Minnesota, July 11, 2020$1.9 million · EF0 · 27 events
- Hail and Damaging Wind in Minnesota, July 11, 2020$2.1 million · 2.5 in hail · 11 events
- Marine Strong Wind in Lake Erie, July 11, 2020$1.0 million · 1 event
- Flood and Hail in Indiana, July 11 to 12, 2020$125,000 · 1.25 in hail · 44 events
- Wildfire in Washington, July 11 to 13, 2020$520,000 · 1 event
- Hail and Damaging Winds in Iowa, July 11, 20202.75 in hail · 83 events
- Damaging Winds and Lightning Strike in Kentucky, July 11 to 12, 2020$200,000 · 55 kt wind · 15 events
- Dust Storm and Damaging Winds in Arizona, July 11, 2020$161,000 · 69 kt wind · 6 events
- Hail and Damaging Wind in Iowa, July 11, 2020$165,000 · 1.5 in hail · 3 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: 892950, 892952, 892953, 892954, 892955, 892956, 892957, 892958, 892959, 892960, 892961, 892962, 892963, 892964, 892965.