California, 1998

Flash Flooding and High Wind in California, January 4 to 25, 1998

January 4 to 25, 1998 · NWS MTR · 8 events in 5 counties and zones

3 high wind, 2 heavy rain, 2 flash flood, 1 waterspout, as filed by the National Weather Service.

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

Open the live radar over this ground

The toll

Deaths
2
Injuries
0
Property damage
$5,000
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.

The radar

The Sacramento radar (KDAX), 108 km away, was scanning. The volume nearest the first event began at 21:47 UTC.

Open the radar archive at this moment

Event by event

3 high wind, 2 heavy rain, 2 flash flood, 1 waterspout. Local standard time, as filed.

Waterspout, Sonoma

When
January 4, 1:50 PM PST
Where
Sonoma County, Sonoma County
Coordinates
38.525, -122.922 (the zone’s center; the record gives no point)

waterspourt observed off sonoma county coast

Heavy Rain, Alameda

When
January 11, 9:00 AM PST
Where
Alameda County, Hayward
Deaths
1 direct, 0 indirect
Coordinates
37.651, -121.918 (the zone’s center; the record gives no point)

rain slick road and poor visibility caused auto accident

Flash Flood, Alameda

When
January 13, 10:00 AM PST
Where
Alameda County, Oakland
Coordinates
37.651, -121.918 (the zone’s center; the record gives no point)

flooded basement at Whittier Elementary School

High Wind, San Francisco / San Mateo / Santa Cruz

When
January 18, 2:00 PM PST
Where
San Francisco / San Mateo / Santa Cruz forecast zone
Measured
60 kt (69 mph)
Property damage
$5,000
Coordinates
37.778, -122.442 (the zone’s center; the record gives no point)

carport roof was torn off its mooring at a mobile home park

Flash Flood, Alameda

When
January 19, 10:00 AM PST
Where
Alameda County, Berkeley
Coordinates
37.651, -121.918 (the zone’s center; the record gives no point)

basement flooded

High Wind, San Francisco / San Mateo / Santa Cruz

When
January 19, 11:00 AM PST
Where
San Francisco / San Mateo / Santa Cruz forecast zone
Measured
60 kt (69 mph)
Coordinates
37.778, -122.442 (the zone’s center; the record gives no point)

wind gust knocked down a douglas fir tree on a pick up truck and damaged a garage, a wooden deck and a newly installed hot tub.

Heavy Rain, San Francisco

When
January 19, 12:00 PM PST
Where
San Francisco County, San Francisco
Coordinates
37.778, -122.442 (the zone’s center; the record gives no point)

a vast sinkhole estimated at 12 feet deep swallowed up an entire lane of John Muir Drive between Skyline and Lake Merced

High Wind, X W Monterey

When
January 25, 9:00 AM PST
Where
X W Monterey forecast zone
Measured
40 kt (46 mph)
Deaths
1 direct, 0 indirect

huge waves swept a woman off the rocks

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
Heavy Rain, Alameda1998-01-11MaleOtherDirect
High Wind, X W Monterey1998-01-25FemaleOutside/Open AreasDirect

What these are

Waterspout
A tornado over water. One that moves ashore is filed as a tornado from the coastline on.
Heavy Rain
Rainfall totals unusual for the place and season that did not produce a flood.
Flash Flood
Flooding that begins within six hours of the rain that causes it, or of a dam or levee failure or ice jam release, often with deadly speed.
High Wind
Sustained non-thunderstorm winds of 40 mph or more for an hour, or gusts of 58 mph or more.

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

The same day elsewhere

More

Every storm in California in 1998Every state in 1998This day in weather historyWarnings in California, January 1998

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: 5636124, 5636121, 5636123, 5636122, 5633952, 5633951, 5633953, 5633950.