California, 2016

Dense Fog in California, February 29, 2016

February 29, 2016 · NWS SGX · 7 events in 2 counties and zones

A shallow marine layer produced dense fog primarily over the coastal mesas.

Where it happened

Every event with a place to put it; 7 filed by county or forecast zone are drawn at its center, in a lighter ring. Tap one for its entry below.

  • Tornadoes
  • Tropical storms and surge
  • Floods
  • Wind
  • Hail
  • Winter weather
  • Heat and drought
  • Cold
  • Fire, smoke and dust
  • Marine and coastal
  • Other

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The toll

Deaths
0
Injuries
0
Property damage
None recorded
Crop damage
None recorded
Events
7

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 SGX wrote it up.

A shallow marine layer produced dense fog primarily over the coastal mesas.

The radar

The national radar mosaic for the moment the first event began.

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Event by event

7 dense fog. Local standard time, as filed.

Dense Fog, San Diego County Coastal Areas

When
February 29, 2:38 AM PST to 7:15 AM PST
Where
San Diego County Coastal Areas forecast zone
Reported by
ASOS
Coordinates
33.028, -116.770 (the zone’s center; the record gives no point)

McClellan-Palomar Airport reported dense fog with a visibility of 1/4 mile.

Dense Fog, San Diego County Coastal Areas

When
February 29, 2:53 AM PST to 6:53 AM PST
Where
San Diego County Coastal Areas forecast zone
Reported by
ASOS
Coordinates
33.028, -116.770 (the zone’s center; the record gives no point)

Dense fog with a visibility of 1/4 mile was reported at Montgomery Field.

Dense Fog, San Diego County Coastal Areas

When
February 29, 3:53 AM PST to 7:53 AM PST
Where
San Diego County Coastal Areas forecast zone
Reported by
ASOS
Coordinates
33.028, -116.770 (the zone’s center; the record gives no point)

Brown Field Municipal Airport reported dense fog with 1/4 mile visibility.

Dense Fog, San Diego County Coastal Areas

When
February 29, 4:38 AM PST to 8:25 AM PST
Where
San Diego County Coastal Areas forecast zone
Reported by
ASOS
Coordinates
33.028, -116.770 (the zone’s center; the record gives no point)

Dense fog with a visibility of 1/4 mile was reported at Miramar MCAS/Mitscher Field Airport.

Dense Fog, San Diego County Coastal Areas

When
February 29, 4:41 AM PST to 6:52 AM PST
Where
San Diego County Coastal Areas forecast zone
Reported by
ASOS
Coordinates
33.028, -116.770 (the zone’s center; the record gives no point)

Oceanside Municipal Airport reported dense fog with a visibility of 1/4 mile.

Dense Fog, Orange County Inland

When
February 29, 6:00 AM PST to 7:00 AM PST
Where
Orange County Inland forecast zone
Reported by
Trained Spotter
Coordinates
33.677, -117.776 (the zone’s center; the record gives no point)

A spotter reported dense fog with 1/4 mile visibility in Fullerton.

Dense Fog, Orange County Inland

When
February 29, 6:00 AM PST to 7:00 AM PST
Where
Orange County Inland forecast zone
Reported by
Trained Spotter
Coordinates
33.677, -117.776 (the zone’s center; the record gives no point)

A spotter reported dense fog with a visibility of 1/4 mile in Aliso Viejo.

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 2026-09-24. Each event’s entry at NCEI: 618889, 618892, 618890, 618891, 618888, 618884, 618886.