California, 2016

Dense Fog in California, February 12 to 13, 2016

February 12 to 13, 2016 · NWS HNX · 8 events in 4 counties and zones

Area of high pressure moved over the central California region creating favorable conditions for nighttime and early morning radiational fog development across the San Joaquin Valley.

The toll

Deaths
2
Injuries
0
Property damage
None recorded
Crop damage
None recorded
Events
8

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.

Area of high pressure moved over the central California region creating favorable conditions for nighttime and early morning radiational fog development across the San Joaquin Valley.

Event by event

8 dense fog. Local standard time, as filed.

Dense Fog, Sw S.J. Valley

When
February 12, 3:53 AM PST to 8:45 AM PST
Where
Sw S.J. Valley forecast zone
Reported by
ASOS

At 03:53 PST the Hanford Airport ASOS (KHJO) reported visibility less than 1/4 mile.

Dense Fog, Se S.J. Valley

When
February 12, 4:56 AM PST to 8:45 AM PST
Where
Se S.J. Valley forecast zone
Reported by
AWOS

At 04:56 PST the Visalia Airport AWOS (KVIS) reported visibility less than 1/4 mile.

Dense Fog, W Central S.J. Valley

When
February 12, 6:30 AM PST to 8:45 AM PST
Where
W Central S.J. Valley forecast zone
Reported by
Broadcast Media

At 06:30 PST, reports of several school districts opening late due to the dense fog were received.

Dense Fog, Sw S.J. Valley

When
February 12, 6:30 AM PST to 8:45 AM PST
Where
Sw S.J. Valley forecast zone
Reported by
Broadcast Media

At 06:30 PST, reports of several school districts opening late due to the dense fog were received.

Dense Fog, E Central S.J. Valley

When
February 12, 6:53 AM PST to 8:45 AM PST
Where
E Central S.J. Valley forecast zone
Reported by
ASOS

At 06:53 PST the Madera Airport (KMAE) ASOS reported visibility less than 1/4 mile.

Dense Fog, E Central S.J. Valley

When
February 12, 7:53 AM PST to 8:45 AM PST
Where
E Central S.J. Valley forecast zone
Reported by
ASOS

At 07:53 PST the Merced Airport (KMCE) ASOS reported visibility less than 1/4 mile.

Dense Fog, E Central S.J. Valley

When
February 13, 1:43 AM PST to 8:30 AM PST
Where
E Central S.J. Valley forecast zone
Reported by
ASOS

At 01:43 PST the Merced Airport (KMCE) ASOS reported a visibility of less than 1/4 mile.

Dense Fog, W Central S.J. Valley

When
February 13, 7:38 AM PST to 9:30 AM PST
Where
W Central S.J. Valley forecast zone
Deaths
0 direct, 2 indirect
Reported by
Newspaper

Two fatalities occurred due to approximately 50 foot visibility near intersection of Rahilly Road/Hwy 59 in Merced County.

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
Dense Fog, W Central S.J. Valley2016-02-1347MaleVehicle/Towed TrailerIndirect
Dense Fog, W Central S.J. Valley2016-02-1335MaleVehicle/Towed TrailerIndirect

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 2016Every state in 2016This day in weather historyWarnings in California, February 2016

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: 618331, 618332, 618329, 618341, 618330, 618352, 618353, 618350.