Dense Fog, Western San Joaquin Valley
- When
- January 4, 6:16 AM PST to 10:08 AM PST
- Where
- Western San Joaquin Valley forecast zone
- Reported by
- ASOS
Visibility below a quarter mile was reported in Lemoore.
Dense Fog in California, January 4, 2020
Although high pressure weakened over central California on January 4 as the upper ridge axis shifted east of the area, Some patchy dense fog formed toward sunrise in Kings and Fresno counties and reduced visibility in Hanford and Lemoore. The fog dissipated by late morning.
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.
Although high pressure weakened over central California on January 4 as the upper ridge axis shifted east of the area, Some patchy dense fog formed toward sunrise in Kings and Fresno counties and reduced visibility in Hanford and Lemoore. The fog dissipated by late morning.
Event by event
2 dense fog. Local standard time, as filed.
Dense Fog, Foggy Bottom
- When
- January 4, 7:40 AM PST to 8:10 AM PST
- Where
- Foggy Bottom forecast zone
- Reported by
- ASOS
Visibility below a quarter mile was reported in Hanford.
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
- Tornadoes in Florida, January 4, 2020
- Strong Wind in Alabama, January 4, 2020
- High Wind in Montana, January 4, 2020
- High Wind in Montana, January 4, 2020
- Marine Thunderstorm Winds in North Atlantic Coastal Waters, January 4, 2020
- High Wind in North Dakota, January 4 to 5, 2020
- Heavy Snow in Washington, January 4 to 8, 2020
- Marine Thunderstorm Winds in South Atlantic Coastal Waters, January 4, 2020
- High Wind in South Dakota, January 4 to 5, 2020
- High Wind in Wyoming, January 4, 2020
- Marine Thunderstorm Winds in Gulf of Mexico, January 4, 2020
- High Wind in North Carolina, January 4, 2020
More
Every storm in California in 2020Every state in 2020This day in weather historyWarnings in California, January 2020
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: 863633, 863634.