Heat, W Central S.J. Valley
- When
- July 15, 11:00 AM PST to July 20, 8:00 PM PST
- Where
- W Central S.J. Valley forecast zone
- Reported by
- Mesonet
Heat in California, July 15 to 20, 2009
Around July 12th, a strong high pressure ridge began to build west into California, and strengthened over the next several days. Temperatures quickly warmed to well above normal, with widespread triple-digit high temperatures on the 14th.
The toll
- Deaths
- 0
- Injuries
- 0
- Property damage
- None recorded
- Crop damage
- None recorded
- Events
- 8
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 HNX wrote it up.
Around July 12th, a strong high pressure ridge began to build west into California, and strengthened over the next several days. Temperatures quickly warmed to well above normal, with widespread triple-digit high temperatures on the 14th. This warming continued over the next several days, with Fresno reaching a high of 112 degrees on July 19th, and Bakersfield only one degree cooler. Both high temperatures set records for that date. Similar recordings were measured around the San Joaquin Valley, adjacent Sierra Foothills, and the Western Mojave Desert. Additionally, temperatures in the urban centers of Bakersfield and Fresno struggled to cool below 80 degrees on the mornings of July 18-20.
Event by event
8 heat. Local standard time, as filed.
Heat, E Central S.J. Valley
- When
- July 15, 11:00 AM PST to July 20, 8:00 PM PST
- Where
- E Central S.J. Valley forecast zone
- Reported by
- Mesonet
Heat, Sw S.J. Valley
- When
- July 15, 11:00 AM PST to July 20, 8:00 PM PST
- Where
- Sw S.J. Valley forecast zone
- Reported by
- Mesonet
Heat, Se S.J. Valley
- When
- July 15, 11:00 AM PST to July 20, 8:00 PM PST
- Where
- Se S.J. Valley forecast zone
- Reported by
- Mesonet
Heat, S Sierra Foothills
- When
- July 15, 11:00 AM PST to July 20, 8:00 PM PST
- Where
- S Sierra Foothills forecast zone
- Reported by
- Mesonet
Heat, Tulare Cty Foothills
- When
- July 15, 11:00 AM PST to July 20, 8:00 PM PST
- Where
- Tulare Cty Foothills forecast zone
- Reported by
- Mesonet
Heat, Indian Wells Vly
- When
- July 15, 11:00 AM PST to July 20, 8:00 PM PST
- Where
- Indian Wells Vly forecast zone
- Reported by
- Mesonet
Heat, Se Kern Cty Desert
- When
- July 15, 11:00 AM PST to July 20, 8:00 PM PST
- Where
- Se Kern Cty Desert forecast zone
- Reported by
- Mesonet
What these are
- Heat
- Heat below excessive heat criteria that still caused deaths, injuries or significant impacts.
After NWS Directive 10-1605, the rules offices file Storm Data by.
The same day elsewhere
- Heat in Texas, July 15, 2009
- Flash Flooding and Damaging Winds in Tennessee, July 15, 2009
- Flash Flood and Hail in Tennessee, July 15, 2009
- Damaging Winds in Alabama, July 15, 2009
- Flash Flood and Damaging Winds in Kentucky, July 15, 2009
- Tornado and Lightning Strike in Florida, July 15, 2009
- Damaging Winds in Missouri, July 15, 2009
- Hail and Damaging Winds in Oklahoma, July 15, 2009
- Damaging Wind and Lightning Strike in Louisiana, July 15, 2009
- Strong Wind in Minnesota, July 15, 2009
- Damaging Winds in Oklahoma, July 15, 2009
- Hail and Damaging Winds in Arkansas, July 15, 2009
More
Every storm in California in 2009Every state in 2009This day in weather historyWarnings in California, July 2009
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: 191708, 191709, 191710, 191711, 191712, 191713, 191714, 191715.