5 flood insurance claims·$45,997 paid·6 federal flood & hurricane disasters
Share of the whole county outline, rivers and lakes included; parts FEMA hasn’t mapped count as zero.
Shaded areas are FEMA’s mapped flood hazard zones in and around Alpine County, California. Zoomed out they are simplified; at street level the map switches to FEMA’s exact layer. Tap anywhere to check that spot, or search an address above.
In flood insurance claims here that reported a flood depth, the average was 1 inches.
Drawn to scale against an 80-inch door. Even a few inches soaks flooring, the bottom of the drywall and anything plugged in near the floor.
Average of the depths reported on claims (zero and implausible values left out); FEMA’s record doesn’t say exactly where each depth was measured. Source: OpenFEMA NFIP claims.
15 federal disaster declarations since 1964, 6 of them floods, coastal storms or hurricanes.
| Disaster | Began |
|---|---|
| Severe Winter Storms, Flooding, Landslides, And Mudslides | Mar 9, 2023 |
| Severe Winter Storms, Straight-line Winds, Flooding, Landslides, And Mudslides | Feb 21, 2023 |
| Severe Winter Storms, Flooding, Landslides, And Mudslides | Dec 27, 2022 |
| Caldor Fire | Aug 14, 2021 |
| Severe Winter Storms, Flooding, And Mudslides | Feb 1, 2017 |
| Severe Storms, Flooding, Mudslides, And Landslides | Dec 17, 2005 |
| Hurricane Katrina Evacuation | Aug 29, 2005 |
| Severe Storms, Flooding, Mud And Landslides | Dec 28, 1996 |
Weather and water disasters only; most recent first. Source: OpenFEMA Disaster Declarations.
4 since 1996: 4 river or area floods.
| Event | Date | Damage |
|---|---|---|
| Flood | Jul 1, 2021 | — |
| Flood | Dec 31, 2005 | $1.0M |
| Flood | Jan 1, 1997 | — |
| Flood | Jan 1, 1997 | — |
— = no damage estimate in the record. Source: NOAA Storm Events Database.
Flood · Jul 1, 2021. High pressure nearby with enhanced moisture aloft brought scattered slow moving and outflow dominated thunderstorms to the region.
Flood · Jan 1, 1997. Several periods of rain (with snow to unusually low elevations in the mountains) beginning December 20, 1996, set up saturated conditions that finally gave way on the 1st as subtropical air moved in and melted snow up to the 8000-foot level. The moist airmass also left huge amounts of additional rain in the valley, foothills, and mountains with its nearly ideal orographic enhancement conditions. Some of the highe…
Flood · Jan 1, 1997. Please see flood summary under Nevada zones from 1/01/97 to 1/17/97.
National Weather Service narratives, lightly trimmed. Source: NOAA Storm Events Database.
Every colour on the map above is a place on this drawing: where the ground sits relative to the flood FEMA plans for.
If a building in Alpine County is in a high-risk zone (A or V) and its mortgage comes from a federally regulated or insured lender, or is federally backed, flood insurance is required.
Outside those zones it is optional, and often worth having: from 2014 to 2024 nearly one-third of NFIP claims came from outside the high-risk Special Flood Hazard Area. Since Risk Rating 2.0, NFIP premiums are set for each building, so the only reliable price is a quote: FloodSmart.gov or a local agent.