Philadelphia, MS natural hazards
Most of the natural-hazard damage FEMA expects in Philadelphia comes from tornadoes, and overall the risk is moderate for a U.S. community. Flood insurance has paid 4 claims here since 1983. 8 federal disasters brought FEMA money into town.
FEMA National Risk Index, December 2025 · OpenFEMA claims, aid & declarationsHow exposed is Philadelphia?
FEMA expects yearly storm and flood damage to homes and buildings in Philadelphia to be higher than in 45% of U.S. communities, mostly from tornadoes and inland flooding.
What Philadelphia faces
Each hazard’s share of the damage FEMA expects here, and how that compares with the rest of the country.
Tornadoes
Inland flooding
Cold waves
Earthquakes
Hurricanes
Hail
Lower here
Not a risk here
Does Philadelphia flood?
Every paid claim on a federal flood insurance policy in Philadelphia, from FEMA’s records.
are insured
are insured
What’s been done with FEMA grants
8 federal disasters brought FEMA money here
Disasters the President declared that paid out in Philadelphia itself: aid to households, or repair grants to the City of Philadelphia.
Severe Winter Storm
Severe Storms, Straight-Line Winds, Tornadoes, and Flooding
Severe Winter Storms
Severe Storms, Tornadoes, Straight-Line Winds, and Associated Flooding
Hurricane Katrina
Hurricane Dennis
Hurricane Ivan
Severe Storms, Tornadoes, Floods
How to read this page
FEMA’s expected losses across Philadelphia total about $3.8M a year, counting buildings, people and crops.
Sources: FEMA National Risk Index (December 2025); OpenFEMA: NFIP redacted claims, multiple-loss properties, community status book and residential penetration rates, housing assistance (owners and renters), public assistance funded projects, hazard mitigation properties and disaster declarations. Census tracts: U.S. Census Bureau.