Aberdeen, MD

Local storm history & FEMA National Risk Index data

Population: 18,451 · Part of Harford County

Aberdeen is rated Relatively Low for overall natural hazard risk — lower risk than most US counties — based on FEMA's National Risk Index for Harford County, MD. The county's highest-rated hazards are winter weather, heat wave, and hurricane.

Storm events near Aberdeen

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

Tornado 12 events
Hail 60 events
Inland Flooding 353 events

County-wide hazard risk

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

Hazard NRI score Rating
Wildfire 19 Very Low
Inland Flooding 78.4 Relatively Moderate
Coastal Flooding 47.8 Relatively Low
Earthquake 76.1 Relatively Low
Heat Wave 90.9 Relatively Moderate
Tornado 35.7 Relatively Low
Avalanche 4.1 Very Low
Cold Wave 69.9 Relatively Moderate
Drought 72.5 Relatively Moderate
Hail 10.2 Very Low
Hurricane 81.6 Relatively Moderate
Ice Storm 55.5 Relatively Low
Landslide 49.9 Very Low
Lightning 80.8 Relatively Moderate
Strong Wind 78 Relatively Moderate
Tsunami Insufficient Data
Volcanic Activity Not Applicable
Winter Weather 94 Relatively High

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

Other cities in Harford County:

More on Harford County:

Frequently asked questions

What natural hazards is Aberdeen, MD at risk of?

Aberdeen is rated Relatively Low for overall natural hazard risk by FEMA's National Risk Index — lower risk than most US counties. The highest-rated hazards for Harford County, where Aberdeen is located, are winter weather, heat wave, and hurricane.

What is Aberdeen's biggest natural hazard risk?

Winter Weather is the highest-rated hazard for Harford County, where Aberdeen is located, scoring 94 out of 100 on FEMA's National Risk Index (rated "Relatively High").

Is Aberdeen a high-risk area for natural disasters?

No — Aberdeen carries lower risk than most US counties for overall natural hazard risk, per FEMA's National Risk Index rating of "Relatively Low" for Harford County.

Has Aberdeen had tornadoes, hail, or flooding?

NOAA has recorded 12 tornado, 60 hail, 353 inland flooding events within 25 miles of Aberdeen since 2016.