Excessive Heat, Palo Verde Valley
- When
- July 30, 9:00 AM PST to July 31, 11:59 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 in California, July 30 to 31, 2020
Very strong high pressure over the region led to temperatures reaching excessive heat conditions across southeast California at the end of July into the beginning of August.
Where it happened
Every event with a place to put it; 11 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
- 11
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.
Very strong high pressure over the region led to temperatures reaching excessive heat conditions across southeast California at the end of July into the beginning of August.
The radar
The national radar mosaic for the moment the first event began.
Event by event
11 excessive heat. Local standard time, as filed.
Excessive Heat, Joshua Tree Np West
- When
- July 30, 9:00 AM PST to July 31, 11:59 PM PST
- Where
- Joshua Tree Np West forecast zone
- Reported by
- County Official
- Coordinates
- 34.841, -116.178 (the zone’s center; the record gives no point)
Excessive Heat, Joshua Tree Np East
- When
- July 30, 9:00 AM PST to July 31, 11:59 PM PST
- Where
- Joshua Tree Np East forecast zone
- Reported by
- County Official
- Coordinates
- 34.841, -116.178 (the zone’s center; the record gives no point)
Excessive Heat, Imperial County Southwest
- When
- July 30, 9:00 AM PST to July 31, 11:59 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
- July 30, 9:00 AM PST to July 31, 11:59 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
- July 30, 9:00 AM PST to July 31, 11:59 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
- July 30, 9:00 AM PST to July 31, 11:59 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, Imperial County West
- When
- July 30, 9:00 AM PST to July 31, 11:59 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, Imperial Valley
- When
- July 30, 9:00 AM PST to July 31, 11:59 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, Chiriaco Summit
- When
- July 30, 9:00 AM PST to July 31, 11:59 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)
Excessive Heat, Chuckwalla Valley
- When
- July 30, 9:00 AM PST to July 31, 11:59 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)
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
- Rip Current in Michigan, July 30, 2020
- Flash Flooding in West Virginia, July 30 to 31, 2020
- Hail and Damaging Winds in Oklahoma, July 30, 2020
- Flash Flooding and Flooding in Missouri, July 30 to 31, 2020
- Hail and Damaging Winds in Oklahoma, July 30, 2020
- Hail and Damaging Winds in Massachusetts, July 30, 2020
- Marine Thunderstorm Winds in North Atlantic Coastal Waters, July 30, 2020
- Damaging Winds in New Jersey, July 30 to 31, 2020
- Flash Flood in Illinois, July 30, 2020
- Damaging Winds in Connecticut, July 30, 2020
- Damaging Winds in New York, July 30 to 31, 2020
- Flash Flooding in Kansas, July 30, 2020
More
Every storm in California in 2020Every state in 2020This day in weather historyWarnings in California, July 2020
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: 992881, 992882, 992883, 992884, 992885, 992886, 992887, 992888, 992889, 992890, 992891.