Altamonte Springs, FL
Local storm history & FEMA National Risk Index data
Altamonte Springs is rated Relatively Moderate for overall natural hazard risk — near the middle compared to other US counties — based on FEMA's National Risk Index for Seminole County, FL. The county's highest-rated hazards are tornado, strong wind, and lightning.
Storm events near Altamonte Springs
NOAA-recorded tornado, hail, and flood events within 25 miles of Altamonte Springs's center, 2016–2026 — the only hazards NOAA reports with exact coordinates, so these counts are specific to Altamonte Springs 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 Seminole County's FEMA National Risk Index scores, covering Altamonte Springs along with the rest of the county, not a Altamonte Springs-specific figure.
| Hazard | NRI score | Rating |
|---|---|---|
| Wildfire | 92.3 | Relatively Moderate |
| Inland Flooding | 92.7 | Relatively Moderate |
| Coastal Flooding | 0 | No Rating |
| Earthquake | 65.9 | Relatively Low |
| Heat Wave | 77.8 | Relatively Low |
| Tornado | 97.6 | Relatively High |
| Avalanche | — | Not Applicable |
| Cold Wave | 28.8 | Relatively Low |
| Drought | 18.1 | Very Low |
| Hail | 21.3 | Very Low |
| Hurricane | 94.7 | Relatively High |
| Ice Storm | — | Not Applicable |
| Landslide | 19.8 | Very Low |
| Lightning | 95.8 | Relatively High |
| Strong Wind | 96.5 | Relatively High |
| Tsunami | — | Not Applicable |
| Volcanic Activity | — | Not Applicable |
| Winter Weather | 0 | No Rating |
Source: FEMA National Risk Index v1.20.0, December 2025. See the methodology page for definitions, or the full Seminole County risk profile for disaster declarations, social vulnerability, and climate projection data.
Other cities in Seminole County:
More on Seminole County:
Frequently asked questions
What natural hazards is Altamonte Springs, FL at risk of?
Altamonte Springs is rated Relatively Moderate for overall natural hazard risk by FEMA's National Risk Index — near the middle compared to other US counties. The highest-rated hazards for Seminole County, where Altamonte Springs is located, are tornado, strong wind, and lightning.
What is Altamonte Springs's biggest natural hazard risk?
Tornado is the highest-rated hazard for Seminole County, where Altamonte Springs is located, scoring 97.6 out of 100 on FEMA's National Risk Index (rated "Relatively High").
Is Altamonte Springs a high-risk area for natural disasters?
Somewhat — Altamonte Springs carries near the middle compared to other US counties for overall natural hazard risk, per FEMA's National Risk Index rating of "Relatively Moderate" for Seminole County.
Has Altamonte Springs had tornadoes, hail, or flooding?
NOAA has recorded 19 tornado, 116 hail, 21 inland flooding events within 25 miles of Altamonte Springs since 2016.