Sylvania, OH

Local storm history & FEMA National Risk Index data

Population: 19,102 · Part of Lucas County

Sylvania 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 Lucas County, OH. The county's highest-rated hazards are tornado, hail, and ice storm.

Storm events near Sylvania

NOAA-recorded tornado, hail, and flood events within 25 miles of Sylvania's center, 2016–2026 — the only hazards NOAA reports with exact coordinates, so these counts are specific to Sylvania itself, not the whole county.

Tornado 10 events
Hail 70 events
Inland Flooding 13 events

County-wide hazard risk

Every other hazard FEMA and NOAA track — including drought — is only scored at the county level. These are Lucas County's FEMA National Risk Index scores, covering Sylvania along with the rest of the county, not a Sylvania-specific figure.

Hazard NRI score Rating
Wildfire 36.5 Very Low
Inland Flooding 95.4 Relatively High
Coastal Flooding 42.8 Very Low
Earthquake 88.1 Relatively Low
Heat Wave 85.3 Relatively Moderate
Tornado 97.3 Relatively High
Avalanche Not Applicable
Cold Wave 92 Relatively High
Drought 39 Relatively Low
Hail 96 Relatively High
Hurricane 56.9 Very Low
Ice Storm 95.8 Very High
Landslide 37.2 Very Low
Lightning 90.4 Relatively High
Strong Wind 94.6 Relatively High
Tsunami Insufficient Data
Volcanic Activity Not Applicable
Winter Weather 86.6 Relatively High

Source: FEMA National Risk Index v1.20.0, December 2025. See the methodology page for definitions, or the full Lucas County risk profile for disaster declarations, social vulnerability, and climate projection data.

Other cities in Lucas County:

More on Lucas County:

Frequently asked questions

What natural hazards is Sylvania, OH at risk of?

Sylvania 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 Lucas County, where Sylvania is located, are tornado, hail, and ice storm.

What is Sylvania's biggest natural hazard risk?

Tornado is the highest-rated hazard for Lucas County, where Sylvania is located, scoring 97.3 out of 100 on FEMA's National Risk Index (rated "Relatively High").

Is Sylvania a high-risk area for natural disasters?

Somewhat — Sylvania 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 Lucas County.

Has Sylvania had tornadoes, hail, or flooding?

NOAA has recorded 10 tornado, 70 hail, 13 inland flooding events within 25 miles of Sylvania since 2016.