Natural hazards · Grayson Valley

Grayson Valley, AL natural hazards

Most of the natural-hazard damage FEMA expects in Grayson Valley comes from inland flooding, and overall the risk is moderate for a U.S. community.

FEMA National Risk Index, December 2025 · OpenFEMA claims, aid & declarations

Expected damage

How exposed is Grayson Valley?

Moderate

vs. U.S. communities

FEMA expects yearly storm and flood damage to homes and buildings in Grayson Valley to be higher than in 43% of U.S. communities, mostly from inland flooding and tornadoes.

Inland flooding40%Tornadoes27%Cold waves16%Heat waves8%Everything else10%

By hazard

What Grayson Valley faces

Each hazard’s share of the damage FEMA expects here, and how that compares with the rest of the country.

Inland flooding

40% of expected damage

Above average · higher than 58% of U.S. places

Recorded about 4 times a year in the area

Tornadoes

27% of expected damage

Well above average · higher than 96% of U.S. places

Cold waves

16% of expected damage

Well above average · higher than 84% of U.S. places

Recorded about once a year in the area

Heat waves

8% of expected damage

Above average · higher than 55% of U.S. places

Recorded about 8 times a year in the area

Lower here

HurricanesHailIce stormsWinter weatherWildfireEarthquakesLandslidesStrong windLightning

Not a risk here

Coastal floodingDroughtAvalanchesTsunamisVolcanic activity

Flood risk changes street by street. Check a specific address on FEMA’s flood map, and ask about flood insurance before you buy.

Flood insurance claims

Does Grayson Valley flood?

FEMA's records show no paid flood insurance claims in Grayson Valley.

of homes in flood zones
are insured

of all homes
are insured

No community discount. Grayson Valley isn’t in FEMA’s Community Rating System, which cuts flood insurance up to 45% in towns that do extra flood-proofing.

Insurance rates: Jefferson County.

Disasters that hit Grayson Valley

Federal disasters declared here

None of the disasters declared for Jefferson County shows FEMA aid or repair money reaching Grayson Valley itself in FEMA’s records.

Brought FEMA money into Grayson ValleyDeclared for Jefferson County only

Jefferson County has had 36 natural disasters declared since 1953, most often severe storms and hurricanes.

Around Grayson Valley

Grayson Valley and the towns around it

Very lowLowModerateHighVery high

Grayson Valleymostly inland floodingModerate

Trussvillemostly inland floodingModerate

Claymostly inland floodingModerate

Center Pointmostly inland floodingLow

About these numbers

How to read this page

An average, not a forecastFEMA’s National Risk Index estimates the damage 18 kinds of natural hazards cause in a typical year, from decades of records and models. A quiet decade can follow a bad year.

Compared by rate“Higher than N%” compares yearly damage as a share of what’s here, so a big city isn’t rated riskier just for having more buildings. Grayson Valley covers 1 census tract, combined by population.

Money that reached townFlood claims are matched to Grayson Valley’s own flood-insurance community; household aid to the registrant’s city; repair grants to Grayson Valley. FEMA’s model follows property values, so a place that recently lost many homes can rate lower than it feels.

FEMA’s expected losses across Grayson Valley total about $848K 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.