California, 2001

Dense Fog in California, August 26, 2001

August 26, 2001 · NWS SGX · 1 event in 1 county or zone

Dense fog for the second night in a row contributed to several traffic accidents.

Where it happened

Every event with a place to put it; 1 filed by county or forecast zone are drawn at its center, in a lighter ring. Tap one for its entry below.

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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 for the second night in a row contributed to several traffic accidents.

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 Aug 25, 7:00 PM PST, 7 hours 16 minutes earlier.

Area forecast discussion, Aug 25, 7:00 PM PST, 7 hours 16 minutes before
EXTREME SOUTHWESTERN CALIFORNIA AREA FORECAST DISCUSSION
NATIONAL WEATHER SERVICE SAN DIEGO CA
800 PM PDT SAT AUG 25 2001

                             ...SYNOPSIS...
HIGH PRESSURE ALOFT WILL CONTINUE THROUGH NEXT WEEK...THOUGH SOME
WEAKENING WILL OCCUR STARTING WEDNESDAY. A SHALLOW MARINE LAYER WILL
BRING NIGHT AND MORNING LOW CLOUDS AND FOG TO COASTAL SECTIONS...
WITH SOME BEACHES SEEING A FEW LINGERING LOW CLOUDS IN THE
AFTERNOON. OTHERWISE...LIMITED MOISTURE ALOFT WILL KEEP THE SKIES
CLEAR.

                            ...DISCUSSION...
STRATUS REMAINS ALONG THE COAST THIS EVENING EXTENDING NORTHWARD
ALONG THE ORANGE COUNTY COASTLINE AS WELL. WIND REPORTS ALONG THE
COAST SUGGEST A WEAK EDDY CONTINUES OVER THE COASTAL WATERS. LINE
MARKING THE BACK EDGE OF THE STRATUS MOVED EASTWARD DURING THE LATE
AFTERNOON AND EARLY EVENING HOURS BUT APPEARS TO HAVE STOPPED THE
EASTWARD PROGRESSION NEAR SANTA CATALINA AND SAN CLEMETE ISLANDS.
BASED ON THE 00Z NKX SOUNDING...THE TOP OF THE MARINE LAYER IS
AROUND 1400 FEET.

00Z ETA AND NGM CONTINUE WITH THE STRONG RIDGE OVER THE WEST COAST
WITH THE HIGH CENTER OVER SOUTHERN CALIFORNIA THROUGH SUNDAY...THEN
THE HIGH CENTER SHIFTS SLIGHTLY OFFSHORE MONDAY. RIDGE POSITION
SHOULD KEEP THE CWFA HIGH AND DRY THROUGH MONDAY. THE MARINE LAYER
SHOULD REMAIN AROUND 1000 FEET DEEP HELPING TO KEEP THE LOW CLOUDS
ALONG THE AREA BEACHES DURING THE DAYTIME. INLAND AREAS...
HOWEVER...SHOULD REMAIN VERY WARM TO HOT.

WILL NOT MAKE ANY CHANGES TO THE CURRENT FORECAST BUT THE MID SHIFT
MAY WANT TO INCREASE THE TEMPERATURE RANGE FOR THE ORANGE COUNTY
COASTAL PLAINS TO TWEAK UP THE TEMPERATURES FOR THE FAR INLAND
AREAS. TEMPERATURES OVER THE FAR INLAND AREAS OF ORANGE
COUNTY...SUCH AS YORBA LINDA...CAN APPROACH TEMPERATURES OVER THE
WESTERN INLAND EMPIRE AREA.

.SAN...NONE.

HORTON

The radar

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

Open the radar archive at this moment

Event by event

1 dense fog. Local standard time, as filed.

Dense Fog, San Diego County Coasts

When
August 26, 2:16 AM PST to 6:00 AM PST
Where
San Diego County Coasts forecast zone
Reported by
LAW ENFORCEMENT
Coordinates
33.028, -116.770 (the zone’s center; the record gives no point)

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 2001Every state in 2001This day in weather historyWarnings in California, August 2001

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: 5263183.