California, 2004

Dense Fog in California, December 10 to 11, 2004

December 10 to 11, 2004 · NWS HNX · 4 events in 4 counties and zones

For two consecutive late evenings and early mornings visibilities lowered, widespread, to less than 1/4 mile in the Central and South San Joaquin Valley. On the 11th visibilities remained less than 1/4 mile well past noon in southern Fresno, and northern Kings and Tulare Counties.

The toll

Deaths
0
Injuries
0
Property damage
None recorded
Crop damage
None recorded
Events
4

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.

For two consecutive late evenings and early mornings visibilities lowered, widespread, to less than 1/4 mile in the Central and South San Joaquin Valley. On the 11th visibilities remained less than 1/4 mile well past noon in southern Fresno, and northern Kings and Tulare Counties.

Event by event

4 dense fog. Local standard time, as filed.

Dense Fog, W Central S.J. Valley

When
December 10, 5:00 AM PST to December 11, 8:53 AM PST
Where
W Central S.J. Valley forecast zone
Reported by
AWOS,ASOS,MESONET,ETC

Dense Fog, E Central S.J. Valley

When
December 10, 5:00 AM PST to December 11, 8:53 AM PST
Where
E Central S.J. Valley forecast zone
Reported by
AWOS,ASOS,MESONET,ETC

Dense Fog, Se S.J. Valley

When
December 10, 5:00 AM PST to December 11, 5:55 PM PST
Where
Se S.J. Valley forecast zone
Reported by
AWOS,ASOS,MESONET,ETC

Dense Fog, Sw S.J. Valley

When
December 10, 5:30 AM PST to December 11, 3:53 PM PST
Where
Sw S.J. Valley forecast zone
Reported by
AWOS,ASOS,MESONET,ETC

What these are

Dense Fog
Fog reducing visibility to a quarter mile or less, filed where it caused accidents or disruption.

After NWS Directive 10-1605, the rules offices file Storm Data by.

The same day elsewhere

More

Every storm in California in 2004Every state in 2004This day in weather historyWarnings in California, December 2004

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: 5431273, 5431274, 5431356, 5431355.