California, 2024Excessive Heat and Heat in California, September 4 to 9, 2024
September 4 to 9, 2024 · NWS HNX · 19 events in 19 counties and zones
A large upper ridge pushed into California from the eastern Pacific Ocean on September 3 and shifted inland and strengthened on September 5 and 6. This resulted in a period of much of above normal temperatures over the area with Heat Risk reaching high levels across the San Joaquin Valley, West Side Hills and Kern County Deserts.
Every event with a place to put it; 19 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
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- Deaths
- 0
- Injuries
- 0
- Property damage
- None recorded
- Crop damage
- None recorded
- Events
- 19
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 pushed into California from the eastern Pacific Ocean on September 3 and shifted inland and strengthened on September 5 and 6. This resulted in a period of much of above normal temperatures over the area with Heat Risk reaching high levels across the San Joaquin Valley, West Side Hills and Kern County Deserts. The ridge finally broke down and shifted east of the region on September 10 as a trough pushed into the Pacific Northwest.
Heat, West Side Mountains North of Highway 198
- When
- September 4, 10:00 AM PST to September 9, 7:00 PM PST
- Where
- West Side Mountains North of Highway 198 forecast zone
- Reported by
- Mesonet
- Coordinates
- 36.975, -120.184 (the zone’s center; the record gives no point)
Daytime highs generally ranged between 102 and 107 degrees each day between September 4 and September 9.
Heat, Los Banos-Dos Palos
- When
- September 4, 10:00 AM PST to September 9, 7:00 PM PST
- Where
- Los Banos-Dos Palos forecast zone
- Reported by
- Mesonet
- Coordinates
- 36.975, -120.184 (the zone’s center; the record gives no point)
Daytime highs generally ranged between 102 and 107 degrees each day between September 4 and September 9.
Heat, Merced-Madera-Mendota
- When
- September 4, 10:00 AM PST to September 9, 7:00 PM PST
- Where
- Merced-Madera-Mendota forecast zone
- Reported by
- Mesonet
- Coordinates
- 37.056, -120.043 (the zone’s center; the record gives no point)
Daytime highs generally ranged between 102 and 107 degrees each day between September 4 and September 9.
Heat, Planada-Legrand-Snelling
- When
- September 4, 10:00 AM PST to September 9, 7:00 PM PST
- Where
- Planada-Legrand-Snelling forecast zone
- Reported by
- Mesonet
- Coordinates
- 37.331, -120.129 (the zone’s center; the record gives no point)
Daytime highs generally ranged between 102 and 107 degrees each day between September 4 and September 9.
Heat, Coalinga - Avenal
- When
- September 4, 10:00 AM PST to September 9, 7:00 PM PST
- Where
- Coalinga - Avenal forecast zone
- Reported by
- Mesonet
- Coordinates
- 36.417, -119.732 (the zone’s center; the record gives no point)
Daytime highs generally ranged between 102 and 107 degrees each day between September 4 and September 9.
Heat, West Side of Fresno and Kings Counties
- When
- September 4, 10:00 AM PST to September 9, 7:00 PM PST
- Where
- West Side of Fresno and Kings Counties forecast zone
- Reported by
- Mesonet
- Coordinates
- 36.417, -119.732 (the zone’s center; the record gives no point)
Daytime highs generally ranged between 102 and 107 degrees each day between September 4 and September 9.
Heat, Caruthers - San Joaquin - Selma
- When
- September 4, 10:00 AM PST to September 9, 7:00 PM PST
- Where
- Caruthers - San Joaquin - Selma forecast zone
- Reported by
- Mesonet
- Coordinates
- 36.489, -119.224 (the zone’s center; the record gives no point)
Daytime highs generally ranged between 102 and 107 degrees each day between September 4 and September 9.
Heat, Fresno - Clovis
- When
- September 4, 10:00 AM PST to September 9, 7:00 PM PST
- Where
- Fresno - Clovis forecast zone
- Reported by
- Mesonet
- Coordinates
- 36.758, -119.649 (the zone’s center; the record gives no point)
Daytime highs generally ranged between 102 and 107 degrees each day between September 4 and September 9.
Heat, West Side Mountains South of Highway 198
- When
- September 4, 10:00 AM PST to September 9, 7:00 PM PST
- Where
- West Side Mountains South of Highway 198 forecast zone
- Reported by
- Mesonet
- Coordinates
- 36.059, -119.398 (the zone’s center; the record gives no point)
Daytime highs generally ranged between 102 and 107 degrees each day between September 4 and September 9.
Heat, Buttonwillow- Lost Hills - I5
- When
- September 4, 10:00 AM PST to September 9, 7:00 PM PST
- Where
- Buttonwillow- Lost Hills - I5 forecast zone
- Reported by
- Mesonet
- Coordinates
- 35.709, -119.273 (the zone’s center; the record gives no point)
Daytime highs generally ranged between 102 and 107 degrees each day between September 4 and September 9.
Heat, Delano - Wasco - Shafter
- When
- September 4, 10:00 AM PST to September 9, 7:00 PM PST
- Where
- Delano - Wasco - Shafter forecast zone
- Reported by
- Mesonet
- Coordinates
- 35.879, -119.115 (the zone’s center; the record gives no point)
Daytime highs generally ranged between 102 and 107 degrees each day between September 4 and September 9.
Heat, Hanford - Corcoran - Lemoore
- When
- September 4, 10:00 AM PST to September 9, 7:00 PM PST
- Where
- Hanford - Corcoran - Lemoore forecast zone
- Reported by
- Mesonet
- Coordinates
- 36.351, -119.421 (the zone’s center; the record gives no point)
Daytime highs generally ranged between 102 and 107 degrees each day between September 4 and September 9.
Heat, Visalia - Porterville - Reedley
- When
- September 4, 10:00 AM PST to September 9, 7:00 PM PST
- Where
- Visalia - Porterville - Reedley forecast zone
- Reported by
- Mesonet
- Coordinates
- 36.489, -119.224 (the zone’s center; the record gives no point)
Daytime highs generally ranged between 102 and 107 degrees each day between September 4 and September 9.
Heat, Buena Vista
- When
- September 4, 10:00 AM PST to September 9, 7:00 PM PST
- Where
- Buena Vista forecast zone
- Reported by
- Mesonet
- Coordinates
- 35.343, -118.730 (the zone’s center; the record gives no point)
Daytime highs generally ranged between 102 and 107 degrees each day between September 4 and September 9.
Heat, Bakersfield
- When
- September 4, 10:00 AM PST to September 9, 7:00 PM PST
- Where
- Bakersfield forecast zone
- Reported by
- Mesonet
- Coordinates
- 35.343, -118.730 (the zone’s center; the record gives no point)
Daytime highs generally ranged between 102 and 107 degrees each day between September 4 and September 9.
Heat, Southeast San Joaquin Valley
- When
- September 4, 10:00 AM PST to September 9, 7:00 PM PST
- Where
- Southeast San Joaquin Valley forecast zone
- Reported by
- Mesonet
- Coordinates
- 35.782, -118.765 (the zone’s center; the record gives no point)
Daytime highs generally ranged between 102 and 107 degrees each day between September 4 and September 9.
Heat, South End San Joaquin Valley
- When
- September 4, 10:00 AM PST to September 9, 7:00 PM PST
- Where
- South End San Joaquin Valley forecast zone
- Reported by
- Mesonet
- Coordinates
- 35.343, -118.730 (the zone’s center; the record gives no point)
Daytime highs generally ranged between 102 and 107 degrees each day between September 4 and September 9.
Excessive Heat, Indian Wells Valley
- When
- September 5, 10:00 AM PST to September 7, 7:00 PM PST
- Where
- Indian Wells Valley forecast zone
- Reported by
- Mesonet
- Coordinates
- 35.343, -118.730 (the zone’s center; the record gives no point)
Daytime highs generally ranged between 106 and 111 degrees each day between September 5 and September 7.
Excessive Heat, Mojave Desert
- When
- September 5, 10:00 AM PST to September 7, 7:00 PM PST
- Where
- Mojave Desert forecast zone
- Reported by
- Mesonet
- Coordinates
- 35.343, -118.730 (the zone’s center; the record gives no point)
Daytime highs generally ranged between 106 and 111 degrees each day between September 5 and September 7.
- 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.
- Excessive Heat in Nevada, September 4 to 6, 20243 deaths · 5 events
- Flash Flood and Flood in Florida, September 4 to 5, 202415 events
- Excessive Heat in California, September 4 to 6, 20246 events
- Excessive Heat in Arizona, September 4 to 6, 20243 events
- Tornado in Wyoming, September 4, 2024EF0 · 2 events
- Flash Flood in Texas, September 4, 20241 event
- Waterspout in South Atlantic Coastal Waters, September 4, 20241 event
- Hail in Colorado, September 4, 2024$3,000 · 1.75 in hail · 1 event
- Damaging Wind in Colorado, September 4, 202453 kt wind · 1 event
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: 1200730, 1200731, 1200732, 1200734, 1200735, 1200736, 1200737, 1200738, 1200739, 1200740, 1200741, 1200742, 1200743, 1200744, 1200745, 1200746, 1200747, 1200749, 1200750.