Dense Fog, W Central Sj Valley
- When
- December 18, 5:30 AM PST to 9:30 AM PST
- Where
- W Central Sj Valley forecast zone
- Reported by
- LAW ENFORCEMENT
Dense Fog in California, December 18, 2001
California Highway Patrol reported visibilities of 200-500 feet in Merced, Madera, and Fresno Counties.
The toll
- Deaths
- 0
- Injuries
- 0
- Property damage
- None recorded
- Crop damage
- None recorded
- Events
- 2
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.
California Highway Patrol reported visibilities of 200-500 feet in Merced, Madera, and Fresno Counties.
Event by event
2 dense fog. Local standard time, as filed.
Dense Fog, E Central Sj Valley
- When
- December 18, 5:30 AM PST to 9:30 AM PST
- Where
- E Central Sj Valley forecast zone
- Reported by
- LAW ENFORCEMENT
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
- Flooding in Indiana, December 18 to 27, 2001
- Dense Fog in Kentucky, December 18, 2001
- Flooding in Illinois, December 18 to 24, 2001
- Dense Fog in California, December 18 to 19, 2001
- Heavy Snow in Idaho, December 18 to 19, 2001
- Heavy Snow in Idaho, December 18 to 19, 2001
- Heavy Snow in Alaska, December 18, 2001
- Flood in Indiana, December 18 to 31, 2001
- High Wind in North Carolina, December 18, 2001
- Marine Thunderstorm Wind in North Atlantic Coastal Waters, December 18, 2001
- High Wind in New Jersey, December 18, 2001
- Marine Thunderstorm Wind in North Atlantic Coastal Waters, December 18, 2001
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 2026-10-01. Each event’s entry at NCEI: 5276368, 5276369.