Excessive Heat, Imperial County West
- When
- August 26, 9:00 AM PST to August 30, 7:00 PM PST
- Where
- Imperial County West forecast zone
- Reported by
- County Official
- Coordinates
- 33.040, -115.365 (the zone’s center; the record gives no point)
Excessive Heat in California, August 26 to 30, 2023
A strong upper level ridge of high pressure over the Great Plains retrograded westward to the western United States, leading to excessive heat conditions across portions of southeast California. Any heat-associated fatalities that may have occurred during this event are unknown.
Where it happened
Every event with a place to put it; 9 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
The toll
- Deaths
- 0
- Injuries
- 0
- Property damage
- None recorded
- Crop damage
- None recorded
- Events
- 9
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.
What happened
The episode as NWS PSR wrote it up.
A strong upper level ridge of high pressure over the Great Plains retrograded westward to the western United States, leading to excessive heat conditions across portions of southeast California. Any heat-associated fatalities that may have occurred during this event are unknown.
The radar
The national radar mosaic for the moment the first event began.
Event by event
9 excessive heat. Local standard time, as filed.
Excessive Heat, Imperial Valley
- When
- August 26, 9:00 AM PST to August 30, 7:00 PM PST
- Where
- Imperial Valley forecast zone
- Reported by
- County Official
- Coordinates
- 33.040, -115.365 (the zone’s center; the record gives no point)
Excessive Heat, Palo Verde Valley
- When
- August 26, 9:00 AM PST to August 30, 7:00 PM PST
- Where
- Palo Verde Valley forecast zone
- Reported by
- County Official
- Coordinates
- 33.392, -115.679 (the zone’s center; the record gives no point)
Excessive Heat, Chuckwalla Valley
- When
- August 26, 9:00 AM PST to August 30, 7:00 PM PST
- Where
- Chuckwalla Valley forecast zone
- Reported by
- County Official
- Coordinates
- 33.744, -115.994 (the zone’s center; the record gives no point)
Excessive Heat, Imperial County Southwest
- When
- August 28, 9:00 AM PST to August 30, 7:00 PM PST
- Where
- Imperial County Southwest forecast zone
- Reported by
- County Official
- Coordinates
- 33.040, -115.365 (the zone’s center; the record gives no point)
Excessive Heat, Salton Sea
- When
- August 28, 9:00 AM PST to August 30, 7:00 PM PST
- Where
- Salton Sea forecast zone
- Reported by
- County Official
- Coordinates
- 33.392, -115.679 (the zone’s center; the record gives no point)
Excessive Heat, Chuckwalla Mountains
- When
- August 28, 9:00 AM PST to August 30, 7:00 PM PST
- Where
- Chuckwalla Mountains forecast zone
- Reported by
- County Official
- Coordinates
- 33.392, -115.679 (the zone’s center; the record gives no point)
Excessive Heat, Imperial County Southeast
- When
- August 28, 9:00 AM PST to August 30, 7:00 PM PST
- Where
- Imperial County Southeast forecast zone
- Reported by
- County Official
- Coordinates
- 33.040, -115.365 (the zone’s center; the record gives no point)
Excessive Heat, Chiriaco Summit
- When
- August 28, 9:00 AM PST to August 30, 7:00 PM PST
- Where
- Chiriaco Summit forecast zone
- Reported by
- County Official
- Coordinates
- 33.744, -115.994 (the zone’s center; the record gives no point)
What these are
- 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.
The same day elsewhere
- Flooding and Damaging Winds in Tennessee, August 26, 2023
- Flash Flooding and Debris Flows in Puerto Rico, August 26, 2023
- Flash Flood and Damaging Winds in Indiana, August 26, 2023
- Hail and Damaging Winds in Texas, August 26 to 27, 2023
- Excessive Heat in Louisiana, August 26, 2023
- Lightning Strikes in North Carolina, August 26 to 28, 2023
- Damaging Winds and Lightning Strike in South Carolina, August 26, 2023
- Excessive Heat in Florida, August 26, 2023
- Debris Flows in Colorado, August 26, 2023
- Excessive Heat in Mississippi, August 26, 2023
- Damaging Winds in Virginia, August 26, 2023
- Damaging Winds in Arkansas, August 26, 2023
More
Every storm in California in 2023Every state in 2023This day in weather historyWarnings in California, August 2023
Sources
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: 1218351, 1218352, 1218353, 1218354, 1218355, 1218357, 1218359, 1218360, 1218361.