Dense Fog in California, April 2, 2002

Name: Dense Fog in California, April 2, 2002
Start: 2002-04-02T00:55
End: 2002-04-02T06:55
Location: California

April 2, 2002 · NWS SGX · 1 event in 1 county or zone

Dense fog with visibility near zero, was present for a third consecutive night.

The toll

Deaths: 0
Injuries: 0
Property damage: None recorded
Crop damage: None recorded
Events: 1

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.

Dense fog with visibility near zero, was present for a third consecutive night.

What forecasters said that day

The local office's own words before the first event, as it sent them, from the Iowa Environmental Mesonet's archive of National Weather Service text.

NWS San Diego, CA wrote its last area forecast discussion before the first event at Apr 1, 2:05 PM PST, 10 hours 50 minutes earlier.

Area forecast discussion, Apr 1, 2:05 PM PST, 10 hours 50 minutes before

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Event by event

1 dense fog. Local standard time, as filed.

Dense Fog, Riverside County Valley/The Inland Empire

When: April 2, 12:55 AM PST to 6:55 AM PST
Where: Riverside County Valley/The Inland Empire 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

Every storm in California in 2002 Every state in 2002 This day in weather history Warnings in California, April 2002

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: 5289268.