Natural hazards · Alamo

Alamo, TX natural hazards

Most of the natural-hazard damage FEMA expects in Alamo comes from hurricanes, and overall the risk is high for a U.S. community. Flood insurance has paid 15 claims here since 1979. 9 federal disasters brought FEMA money into town.

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

How exposed is Alamo?

65
High
vs. U.S. communities

FEMA expects yearly storm and flood damage to homes and buildings in Alamo to be higher than in 65% of U.S. communities, mostly from hurricanes and cold waves.

Hurricanes48%Cold waves20%Inland flooding19%Everything else13%
By hazard

What Alamo faces

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

Hurricanes

48% of expected damage
Well above average · higher than 94% of U.S. places
Recorded about once every 8 years in the area

Cold waves

20% of expected damage
Well above average · higher than 94% of U.S. places
Recorded about 3 times a year in the area

Inland flooding

19% of expected damage
Well below average · higher than 14% of U.S. places
Recorded about 2 times a year in the area

Lower here

TornadoesHailIce stormsWinter weatherHeat wavesWildfireEarthquakesStrong windLightningDrought

Not a risk here

Coastal floodingLandslidesAvalanchesTsunamisVolcanic 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 Alamo flood?

Every paid claim on a federal flood insurance policy in Alamo, from FEMA’s records.

15paid claims since 1979
$492Kpaid to owners
3homes flooded more than once
19792026

Biggest named events

  • Hurricane Dolly: 1 claim, $6K

Homes that flooded again and again

■ FEMA “severe repetitive loss” (1) ■ flooded 2+ times

of all homes
are insured
No community discount. Alamo isn’t in FEMA’s Community Rating System, which cuts flood insurance up to 45% in towns that do extra flood-proofing.
Insurance rates: Hidalgo County.
Disasters that hit Alamo

9 federal disasters brought FEMA money here

Disasters the President declared that paid out in Alamo itself: aid to households, or repair grants to the City of Alamo.

Brought FEMA money into AlamoDeclared for Hidalgo County only
2025

Severe Storms and Flooding

594 households applied for aid $2.5M aid approved
2021

Severe Winter Storms

115 households applied for aid $83K aid approved
2019

Severe Storms and Flooding

50 households applied for aid $117K aid approved
2018

Severe Storms and Flooding

123 households applied for aid $122K aid approved
2016

Severe Storms and Flooding

26 households applied for aid $9K aid approved
2015

Severe Storms, Tornadoes, Straight-Line Winds and Flooding

344 households applied for aid $388K aid approved $24K to the City of Alamo for repairs
2010

Hurricane Alex

161 households applied for aid $192K aid approved $41K to the City of Alamo for repairs
2008

Hurricane Dolly

768 households applied for aid $864K aid approved $192K to the City of Alamo for repairs
2002

Severe Storms, Tornadoes and Flooding

193 households applied for aid $287K aid approved
Hidalgo County has had 27 natural disasters declared since 1953, most often hurricanes and floods.
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. Alamo covers 5 census tracts, combined by population.
Money that reached townFlood claims are matched to Alamo’s own flood-insurance community; household aid to the registrant’s city; repair grants to the City of Alamo. 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 Alamo total about $7.8M 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.

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Boundary source: https://tigerweb.geo.census.gov/arcgis/rest/services/TIGERweb/Places_CouSub_ConCity_SubMCD/MapServer/18 · 2025-01-01