Rock Spring’s building-damage rate from tornadoes is in the top 3% of U.S. census tracts
On FEMA’s National Risk Index, Rock Spring gets a B− for hazard risk: lower expected damage per building than 53% of U.S. towns. Most of that expected damage is river and rain flooding (59%), then tornadoes (21%). Flood insurance has paid 1 claim here since 2020.
Graded on FEMA’s expected yearly building damage per dollar of building value (NRI v1.20, December 2025), weighted by where residents live; flood claims are shown, not graded. How hazard risk is graded
What Rock Spring faces
Each hazard’s share of the building damage FEMA expects here, and how its rate compares with the rest of the country.
River and rain flooding
Tornadoes
Earthquakes
Shares are of FEMA’s expected building damage, the measure the grade uses; ranks compare each hazard’s building-damage rate with all 85,154 U.S. census tracts. In FEMA’s terms, river and rain flooding is FEMA’s “Inland Flooding” (rivers and streams overflowing their banks, or rain overwhelming drainage). FEMA defines coastal flooding as high or rising tides and storm surge, so surge damage is counted there. Drought isn’t listed: FEMA counts its losses in crops only.
What’s behind Rock Spring’s grade
River and rain flooding is 59% of the building damage FEMA expects in Rock Spring, and Rock Spring’s rate of river and rain flooding damage is lower than 58% of U.S. census tracts. Tornadoes add 21%, at a rate in the top 3% of U.S. census tracts.
B− lower expected damage per building than 53% of U.S. towns (21,298).
All of Rock Spring’s residents live in one census tract; the figures are that tract’s.
In dollars, FEMA expects about $357K a year in losses across Rock Spring: $157K to buildings, the rest to people and crops.
Does Rock Spring flood? Rarely: 1 flood claim since 2020
Every paid claim on a federal flood insurance policy in Rock Spring, from FEMA’s records: 2.3 per 1,000 homes, fewer than 58% of the 13,809 U.S. towns with a flood insurance record.
Rock Spring isn’t in FEMA’s Community Rating System, which cuts flood insurance up to 45% in towns that do extra flood-proofing.
Insurance rates: Walker County.2 federal disasters brought FEMA money to Rock Spring
Disasters that paid out in Rock Spring itself (aid to households or repair grants to Rock Spring), newest first, with that year’s flood claims.
- 2011Severe Storms, Tornadoes, Straight-line Winds, and Associated Flooding17 households applied for aid$5K aid approved
- 2009Severe Storms and Flooding48 households applied for aid$104K aid approved
Walker County has had 14 natural disasters declared by the President since 1953, most often severe storms, then winter storms. Not counted: the 2005 Hurricane Katrina evacuee emergency, which covered counties that took in evacuees.
Old photos of Rock Spring after a storm or flood belong in the town’s history. Add one, or share what you remember below.
Add to the Rock Spring archive →Get ready for what Rock Spring faces
A short kit for the hazards that drive the building damage here, what to check before you buy, and where neighbors get alerts.
- Turn around at flooded roads: a foot of moving water can carry off a car.
- Flood insurance usually takes 30 days to start, so buy it before the forecast.
- Keep papers and medicines up high, in a grab-and-go bag.
- Pick your spot now: the lowest floor, an inside room, no windows.
- A watch means be ready; a warning means take cover now.
- Keep shoes and a flashlight by the bed.
- Drop, cover and hold on.
- Strap tall furniture and the water heater to the wall.
- Know how to shut off the gas.
- Look up the address on FEMA’s flood map.
- Ask the seller or landlord whether it has ever flooded, and what flood insurance costs there.
- Get a flood insurance quote early: policies usually start 30 days after you buy.
Know where neighbors sign up for alerts? Add it to the Handbook so everyone has it.
Questions about natural hazards in Rock Spring
Is Rock Spring at risk for natural disasters?
On FEMA’s National Risk Index, Rock Spring has lower expected damage per building than 53% of U.S. towns: B− for hazard risk. Most of the expected damage is river and rain flooding (59%) and tornadoes (21%). The figures are for the one census tract the town shares with its neighbors. This is FEMA’s model of an average year for today’s buildings, not a forecast.
Does Rock Spring flood?
Flood insurance has paid 1 claim in Rock Spring since 2020, $27K in all, or 2.3 per 1,000 homes, fewer than 58% of U.S. towns with a flood insurance record.
Is Rock Spring in a flood zone?
Flood zones are drawn street by street, so the answer depends on the address: look it up on FEMA’s flood map. In Walker County, 14% of homes in mapped flood zones carry federal flood insurance, and 0.5% of all homes do.
How much is flood insurance in Rock Spring?
FEMA’s Community Rating System list shows no discount for Rock Spring’s flood program. Premiums depend on the building; policies usually start 30 days after you buy, so get a quote early.
What was the biggest storm in Rock Spring?
By FEMA money that reached Rock Spring, Severe Storms and Flooding (2009): 48 households applied for aid, $104K approved.
Is Rock Spring at risk from river and rain flooding?
It is the largest share of the building damage FEMA expects here (59%), and Rock Spring’s rate for it is lower than 58% of U.S. census tracts.
Storm stories
Memories, warnings and help from neighbors in Rock Spring.
Sources: FEMA National Risk Index v1.20 (December 2025), census-tract table, combined by where Rock Spring’s residents lived in the 2020 census; 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. Homes: Census ACS 2020–24. Preparedness tips: Ready.gov. FEMA’s model is an average of expected damage, not a forecast. How hazard risk is graded.