California, 1997

Tornado in California, November 11, 1997

November 11, 1997 · NWS SGX · 2 events in 1 county or zone

A low pressure trough aloft spawned funnel clouds and a tornado over coastal areas of central Orange County. Although no thunder or lightning was detected, convective showers were observed in the area.

Where it happened

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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 SGX wrote it up.

A low pressure trough aloft spawned funnel clouds and a tornado over coastal areas of central Orange County. Although no thunder or lightning was detected, convective showers were observed in the area. The tornado touched down near the Irvine Spectrum Center and travelled about a quarter of a mile on the ground, ripping away a chain-link fence at a construction site, which landed on 30 cars a few hundred yards away. Four cars were reportedly picked up and moved a few feet, and wooden beams were tossed about like toothpicks. No injuries were reported, but ten cars were damaged by flying debris and a shuttle shelter was destroyed. As the tornado lifted, another funnel developed and lasted for several minutes.

The radar

The Santa Ana Mts radar (KSOX), 23 km away, was scanning. The volume nearest the first event began at 20:41 UTC.

Open the radar archive at this moment

Event by event

1 tornado, 1 funnel cloud. Local standard time, as filed.

Tornado, Orange

When
November 11, 12:40 PM PST to 12:50 PM PST
Where
Orange County, Irvine
Rating
F1
Path length
0.2 mi
Path width
200 yd
Coordinates
33.680, -117.820

Funnel Cloud, Orange

When
November 11, 12:50 PM PST to 1:00 PM PST
Where
Orange County, Irvine
Coordinates
33.677, -117.776 (the zone’s center; the record gives no point)

What these are

Tornado
A violently rotating column of air in contact with the ground and extending from a thunderstorm, filed with its path, width and Fujita or Enhanced Fujita rating from the damage survey.
Funnel Cloud
A rotating column of cloud extending from a thunderstorm that did not reach the ground.

After NWS Directive 10-1605, the rules offices file Storm Data by.

The same day elsewhere

More

Every storm in California in 1997Every state in 1997This day in weather historyThe tornado archive for California, 1997Warnings in California, November 1997

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: 5620204, 5620205.