San Leandro, CA
Local storm history & FEMA National Risk Index data
San Leandro is rated Very High for overall natural hazard risk — among the most at-risk counties in the country — based on FEMA's National Risk Index for Alameda County, CA. The county's highest-rated hazards are earthquake, landslide, and inland flooding.
Storm events near San Leandro
NOAA-recorded tornado, hail, and flood events within 25 miles of San Leandro's center, 2016–2026 — the only hazards NOAA reports with exact coordinates, so these counts are specific to San Leandro itself, not the whole county.
County-wide hazard risk
Every other hazard FEMA and NOAA track — including drought — is only scored at the county level. These are Alameda County's FEMA National Risk Index scores, covering San Leandro along with the rest of the county, not a San Leandro-specific figure.
| Hazard | NRI score | Rating |
|---|---|---|
| Wildfire | 97.7 | Relatively High |
| Inland Flooding | 99.7 | Very High |
| Coastal Flooding | 86 | Relatively High |
| Earthquake | 100 | Very High |
| Heat Wave | 97.6 | Relatively High |
| Tornado | 65.8 | Relatively Moderate |
| Avalanche | 6.6 | Very Low |
| Cold Wave | 0 | No Rating |
| Drought | 85.9 | Relatively Moderate |
| Hail | 35.8 | Relatively Low |
| Hurricane | — | Not Applicable |
| Ice Storm | — | Not Applicable |
| Landslide | 99.8 | Relatively High |
| Lightning | 47.5 | Relatively Low |
| Strong Wind | 11.3 | Very Low |
| Tsunami | 60 | Relatively Low |
| Volcanic Activity | 78.8 | Very Low |
| Winter Weather | 4.3 | Very Low |
Source: FEMA National Risk Index v1.20.0, December 2025. See the methodology page for definitions, or the full Alameda County risk profile for disaster declarations, social vulnerability, and climate projection data.
Other cities in Alameda County:
More on Alameda County:
Frequently asked questions
What natural hazards is San Leandro, CA at risk of?
San Leandro is rated Very High for overall natural hazard risk by FEMA's National Risk Index — among the most at-risk counties in the country. The highest-rated hazards for Alameda County, where San Leandro is located, are earthquake, landslide, and inland flooding.
What is San Leandro's biggest natural hazard risk?
Earthquake is the highest-rated hazard for Alameda County, where San Leandro is located, scoring 100 out of 100 on FEMA's National Risk Index (rated "Very High").
Is San Leandro a high-risk area for natural disasters?
Yes — San Leandro carries among the most at-risk counties in the country for overall natural hazard risk, per FEMA's National Risk Index rating of "Very High" for Alameda County.
Has San Leandro had tornadoes, hail, or flooding?
NOAA has recorded 57 hail, 358 inland flooding events within 25 miles of San Leandro since 2016.