California, 2001

Dense Fog in California, December 24 to 26, 2001

December 24 to 26, 2001 · NWS HNX · 4 events in 4 counties and zones

Consecutive mornings from the 24th through the 26th had reports of widespread dense fog in the Central and Southern San Joaquin Valley. Visibility was described as "critical" on the morning of the 25th and as low as 100 feet on the 26th in the South Valley in the vicinity of Bakersfield.

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.

Consecutive mornings from the 24th through the 26th had reports of widespread dense fog in the Central and Southern San Joaquin Valley. Visibility was described as "critical" on the morning of the 25th and as low as 100 feet on the 26th in the South Valley in the vicinity of Bakersfield.

Event by event

4 dense fog. Local standard time, as filed.

Dense Fog, E Central Sj Valley

When
December 24, 2:36 AM PST to December 26, 11:00 AM PST
Where
E Central Sj Valley forecast zone
Reported by
AWOS,ASOS,MESONET,ETC

Dense Fog, W Central Sj Valley

When
December 24, 7:00 AM PST to December 26, 11:00 AM PST
Where
W Central Sj Valley forecast zone
Reported by
OFFICIAL NWS OBS.

Dense Fog, Sw Sj Valley

When
December 24, 7:53 AM PST to December 26, 11:00 AM PST
Where
Sw Sj Valley forecast zone
Reported by
AWOS,ASOS,MESONET,ETC

Dense Fog, Se Sj Valley

When
December 24, 7:54 AM PST to December 26, 11:00 AM PST
Where
Se Sj 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 2001Every state in 2001This day in weather historyWarnings in California, December 2001

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 2026-09-30. Each event’s entry at NCEI: 5275629, 5275628, 5275630, 5275631.