California, 2007

Heat in California, July 25, 2007

July 25, 2007 · NWS MTR · 1 event in 1 county or zone

An 11-month-old boy died in the back seat of the family car in Concord on July 25,2007 after his father apparently forgot to drop him off at day care and instead left him locked inside the vehicle while he spent the day at work.

Where it happened

Every event with a place to put it; 1 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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The toll

Deaths
1
Injuries
0
Property damage
None recorded
Crop damage
None recorded
Events
1

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 MTR wrote it up.

An 11-month-old boy died in the back seat of the family car in Concord on July 25,2007 after his father apparently forgot to drop him off at day care and instead left him locked inside the vehicle while he spent the day at work.

What forecasters said that day

The local office's own words before the first event, as it sent them, from the Iowa Environmental Mesonet's archive of National Weather Service text.

NWS San Francisco Bay Area, CA wrote its last area forecast discussion before the first event at Jul 25, 2:15 AM PST, 4 hours 45 minutes earlier.

Area forecast discussion, Jul 25, 2:15 AM PST, 4 hours 45 minutes before
AREA FORECAST DISCUSSION
NATIONAL WEATHER SERVICE SAN FRANCISCO CA
315 AM PDT WED JUL 25 2007

.DISCUSSION...LOW CLOUDS AND FOG HAVE SPREAD BACK ONSHORE PER
FORECAST WITH THE DEPTH OF THE MARINE LAYER AROUND 1700 FEET MSL.
WITH LESS MID/HIGH CLOUDS THAN 24 HOURS AGO...INLAND TEMPERATURES
HAVE RETURNED TO SEASONAL READINGS WITH BETTER RADIATIONAL
COOLING BENEATH CLEARED SKIES. ONSHORE PRESSURE GRADIENTS SIMILAR
WITH SFO-SAC RUNNING 3.2MB AND DOWN ONLY SLIGHTLY COMPARED TO
24 HRS AGO.

NUMERICAL MODEL SOLUTIONS CHANGE LITTLE WITH THE 00Z RUNS SO
PERSISTENCE IS FORECAST FOR THE CENTRAL CALIFORNIA COAST TODAY WITH
RELATIVELY CONSISTENT AND MODERATE ONSHORE GRADIENTS...SIMILAR MARINE
LAYER DEPTH...AND ONLY SUBTLE CHANGES IN THE GENERAL SYNOPTIC
PATTERN. SYNOPTIC PATTERN ONE OF CONSISTENCY THROUGH DAY 7. OVERALL
HEIGHT CHANGES FOR THE ENTIRE 3 DAYS IS ONLY 30M AT 500MB. HIGH
PRESSURE ALOFT OVER MID-CONTINENT AND BUILT WESTWARD COMBINED WITH
VERY WEAK LOW PRESSURE IN THE EAST PACIFIC RESULTS IN A WEAK BUT DRY
SOUTHWEST WIND FLOW ALOFT OVER THE CENTRAL CALIFORNIA COAST. HAVE
MADE ONLY VERY MINOR ADJUSTMENTS IN FORECAST WEATHER PARAMETERS PER
THE MINOR CHANGES IN FORECAST THICKNESS VALUES. AT THE SURFACE...
NIGHT AND MORNING COASTAL STRATUS/FOG WITH SEASONALLY COOL AIR WILL
BE THE NORM WHILE INLAND LOCATIONS WILL REMAIN DRY AND SLOWLY WARM
THROUGH THE END OF THE WEEK.

&&

.PREVIOUS AVIATION...AN INFLUX OF MARINE LAYER CLOUDS CONTINUES THIS
EVENING...A BIT FASTER THAN EARLIER ANTICIPATED. STS STILL REPORTS
SKC BUT A NARROWING TEMP/DEWPOINT TEMP SPREAD WILL LIKELY LEAD TO A
LOW CLOUD DECK AND/OR FOG IN A COUPLE HOURS OR SO. ONSHORE WINDS WILL
CONTINUE OVERNIGHT AND WEDNESDAY.

&&

.MTR WATCHES/WARNINGS/ADVISORIES...
    .TDY SCA...PT ARENA TO PT PIEDRAS BLANCAS AND SFO BAY.

&&

PUBLIC FORECAST: D GUDGEL
AVIATION/MARINE: R CANEPA/W PI

NWS ON THE WEB AT WEATHER.GOV/SANFRANCISCO

The radar

The national radar mosaic for the moment the first event began.

Open the radar archive at this moment

Event by event

1 heat. Local standard time, as filed.

Heat, East Bay Interior Valleys

When
July 25, 7:00 AM PST to 4:00 PM PST
Where
East Bay Interior Valleys forecast zone
Deaths
0 direct, 1 indirect
Reported by
Newspaper
Coordinates
37.787, -121.934 (the zone’s center; the record gives no point)

An 11-month-old boy died in the back seat of the family car in Concord on July 25,2007 after his father apparently forgot to drop him off at day care and instead left him locked inside the vehicle while he spent the day at work. High temperatures in the area were generally around 85. |

The people who died

As the offices recorded each death: direct deaths were caused by the weather itself, indirect ones by something it set in motion.

EventDateAgeSexWhereKind
Heat, East Bay Interior Valleys2007-07-251MaleVehicle/Towed TrailerIndirect

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

More

Every storm in California in 2007Every state in 2007This day in weather historyWarnings in California, July 2007

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 2026-09-24. Each event’s entry at NCEI: 38087.