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Alpine County, California severe weather history spans 44 recorded events between 1998 and 2025. The dominant hazard is heavy rain, accounting for 59.1% of all recorded events. It ranks #3,074 nationally and #52 in California.
44
Recorded events
0
Direct deaths
0
Direct injuries
$1.8M
Property damage
The record
What the Alpine County, California severe weather history record shows
Across the archive, Alpine County, California severe weather history averages 1.6 recorded events a year. The busiest stretch on record is the 2010s, with 22 events logged in that decade alone.
The costliest is flood, with $1.0M in reported property damage. In total, 5 distinct hazard types appear in this county archive, each listed with its own dated record below.
By hazard type
Every hazard type recorded in Alpine County
| Hazard | Events | Deaths | Damage | Max | Span |
|---|---|---|---|---|---|
| Heavy Rain | 26 | 0 | $791K | 0 | 2003–2024 |
| Debris Flow | 10 | 0 | $0 | 0 | 2015–2025 |
| Hail | 5 | 0 | $5K | 1.75 | 1998–2020 |
| Flood | 2 | 0 | $1.0M | 0 | 2005–2021 |
| Thunderstorm Wind | 1 | 0 | $0 | 0 | 2000–2000 |
Decade by decade
Alpine County, California severe weather history by decade
Reporting practice changed over time — early decades are undercounted, not calmer.
From the record
What the reports say
Written by National Weather Service staff at the time of the event · public domain
Heavy rain in the vicinity of the Tamarack Fire Burn Scar caused a slide over State Route 4 that was reported by CHP to be 3-4 feet deep and closed the highway in both directions. No rainfall reports in the exact location, but estimates of 0.5-1 were reported to the south and 2-3 to the north, which occurred in a few hours. This is in addition to the heavy rainfall the day before.
Grover Hot Springs state park staff reported debris flow over Hot Springs RD due to intense, heavy rainfall. Depth and damage were unknown at this time. Also, Caltrans and CHP reported boulders and rocks in the area with one part of Hot Springs RD starting to wash out. Another road was reported impassible.
California Highway Patrol reported multiple debris flows near and south of the intersection of California Highway 4 and California Highway 89 that occurred after heavy rainfall. These debris flows occurred within the area of the Washington Fire burn scar. No damage estimates were available.
Context
Risk, population and federal disasters
Very Low
FEMA NRI risk rating
1,616
Population (ACS)
$590K
Median home value
15
Federal declarations
| Declared | Incident | Title | Type |
|---|---|---|---|
| Apr 3, 2023 | Severe Storm | SEVERE WINTER STORMS, STRAIGHT-LINE WINDS, FLOODING, LANDSLIDES, AND MUDSLIDES | DR |
| Mar 10, 2023 | Flood | SEVERE WINTER STORMS, FLOODING, LANDSLIDES, AND MUDSLIDES | EM |
| Jan 14, 2023 | Flood | SEVERE WINTER STORMS, FLOODING, LANDSLIDES, AND MUDSLIDES | DR |
| Sep 1, 2021 | Fire | CALDOR FIRE | EM |
| Mar 22, 2020 | Biological | COVID-19 PANDEMIC | DR |
| Mar 13, 2020 | Biological | COVID-19 | EM |
Quick answers
Frequently asked
How many severe weather events have been recorded in Alpine County, California?
44 events are on record between 1998 and 2025, causing 0 direct deaths and $1.8M in property damage.
What is the most common severe weather hazard in Alpine County?
Heavy Rain, with 26 recorded events — 59.1% of everything in the archive for this county.
How many federal disaster declarations cover Alpine County?
15 federal disaster declarations from FEMA include Alpine County, each tied to a specific incident period.
How risky is Alpine County compared with the rest of the country?
FEMA's National Risk Index rates Alpine County as very low risk, placing it in the 11 percentile of its state for expected annual loss.
Where does the Alpine County, California severe weather history data come from?
Every figure is drawn from United States federal public-domain records: NOAA/NCEI Storm Events for the event archive, NOAA SPC SVRGIS for mapped tornado paths, FEMA for disaster declarations and risk ratings, and the U.S. Census for population context. Dates are shown in UTC and recent entries may still be revised by NOAA.
Nearby
Neighbouring counties
- Alameda County 241
- Amador County 29
- Butte County 179
- Calaveras County 47
- Colusa County 35
- Contra Costa County 108
Cite this page
“Alpine County, California.” Severe Weather History. severeweatherhistory.com/county/california/alpine-county/ · Data: NOAA/NCEI, FEMA, U.S. Census — public domain.