County Hazards

States › Alaska › Chugach Census Area

Chugach Census Area, Alaska

Recorded hazard history: storm events since 1950, federal disaster declarations since 1953, flood insurance claims since 1978, and FEMA's risk index.

FIPS 02063 · 6,941 residents (2021) · 9,530 sq mi · dominant hazard —

Hail · 0Tornado · 0Flood · 0Wind · 0Winter · 0
Chugach Census Area within Alaska. Boundaries: US Census Bureau.

NCEI notes that Storm Data is compiled from a variety of sources including the National Weather Service, other federal, state and local agencies, the media and the public; that property and crop damage figures are estimates; and that some events are recorded by NWS forecast zone rather than by county. FEMA notes that NFIP claim records are redacted and aggregated to protect the privacy of policyholders. NCEI storm records through 30 Jun 2026; OpenFEMA declarations refreshed 1 Oct 2026; NFIP claims as of 8 Sep 2026.

Chugach Census Area, Alaska, has 0 weather events in the NCEI Storm Events record since 1950.

That is 0.0 events per 100 square miles, below the Alaska figure of 1.7, and 0.0 per 10,000 residents against 132.4 statewide.

0 events fall in the 12 months to 30 Jun 2026. NCEI attributes 0 deaths and 0 injuries to events in the county, with property damage estimated at $0.

FEMA lists no county-level disaster declaration for the county since 1953.

OpenFEMA lists no National Flood Insurance Program claims in the county.

FEMA's National Risk Index rates the county's overall risk as "Very Low" and its expected annual loss as "Very Low" ($9.7M a year across 18 hazards).

0events, last 12 monthsto 30 Jun 2026
0events since 19500 deaths, 0 injuries recorded
0disaster declarationsnone county-level
0NFIP flood claims$0 paid

Compared with Alaska and the United States

MeasureChugach Census AreaAlaskaUS
Recorded events since 195009,7011,977,440
Events per 100 square miles0.01.756.0
Events per 10,000 residents0.0132.459.6
Events in the last 12 months032662,008
Deaths recorded by NCEI010026,435
Property damage (NCEI estimates)$0$475M$575B
NFIP claims per 1,000 residents0.01.18.1
Average paid NFIP claim—$30K$43K
Claims per 100 policies in force, last 10 years0.05.816.1

County-recorded events plus zone-recorded events whose forecast zone is named for the county. State and US rows include events recorded only by forecast zone. Rates use 2021 Census population and land area.

Events by decade

01950s01960s01970s01980s01990s02000s02010s02020s
Recorded events in Chugach Census Area by decade and hazard group. NCEI recorded only tornadoes, hail and thunderstorm wind before 1996.

Trend: 0 events in the 20 years to 2025 against 0 in the 20 years before. Reporting practice changed in 1996 and again with automated reports in the 2000s, so decade totals measure the record as much as the weather.

Events by type

HazardEventsDeathsShare of state's events

Hazard pages exist for hail, tornado, flood, wind and winter where the county has at least 10 recorded events. "Other" covers heavy rain, debris flow, dust, funnel clouds and similar reports.

Largest recorded events

NCEI records no event with deaths, injuries or damage of $100,000 or more in the county.

Federal disaster declarations

FEMA lists no county-level declaration for Chugach Census Area. Statewide and tribal declarations appear on the Alaska page.

Declarations in which FEMA designated this county, from the OpenFEMA Disaster Declarations Summaries (v2). DR: major disaster; EM: emergency; FM: fire management assistance. Programs show whether individual or public assistance was made available.

Flood insurance claims

OpenFEMA lists no NFIP claims with this county's code. FEMA counts 28 residential flood policies in force.

National Risk Index

Overall riskVery Lowscore 19.6 of 100
Expected annual loss$9.7MVery Low
Social vulnerabilityVery Low
Community resilienceRelatively Low
Hazard (NRI)Risk ratingExpected annual loss
AvalancheVery High$4,936,670
EarthquakeRelatively Low$2,691,253
Cold waveRelatively Low$1,094,368
LandslideRelatively Moderate$395,694
TsunamiVery Low$306,656
Inland floodingVery Low$266,092
Winter weatherRelatively Low$41,335
LightningVery Low$6,311
WildfireVery Low$694
Coastal floodingVery Low$558
Ice stormVery Low$504
HailVery Low$16
TornadoVery Low$0

FEMA National Risk Index, December 2025 release. Ratings are FEMA's relative comparison of counties; expected annual loss is FEMA's modelled estimate of average yearly building, population and agriculture loss. See how to read the NRI.

Hurricane and tropical storm passes

No HURDAT2 track at tropical-storm strength passes within 100 miles of the county's centre point (through the 2025 season).

Questions and answers

How often does it hail in Chugach Census Area, AK?

NCEI records no hail events in Chugach Census Area since 1950. Reports depend on someone observing and reporting the hail, so absence of a record is not proof of absence.

Has Chugach Census Area had a tornado?

NCEI records no tornado in Chugach Census Area since 1950.

When was the last federal disaster declaration for Chugach Census Area?

FEMA lists no county-level declaration for the county since 1953. Statewide declarations, which also cover the county, are listed on the state page.

How many flood insurance claims have been filed in Chugach Census Area, and how much was paid?

OpenFEMA lists no NFIP claims in the county.

Is Chugach Census Area in the National Risk Index's high-risk band?

FEMA's National Risk Index (December 2025) rates the county "Very Low" for overall risk, "Very Low" for expected annual loss, "Very Low" for social vulnerability and "Relatively Low" for community resilience. These ratings are FEMA's relative comparison across all US counties.

How does Chugach Census Area compare with the rest of Alaska?

0.0 recorded events per 100 square miles against 1.7 statewide, and 0.0 NFIP claims per 1,000 residents against 1.1. The comparison table on this page shows each measure beside the state and national figures.

Provenance

Storm events: NOAA NCEI Storm Events Database, yearly details files through 30 Jun 2026 (public domain). Declarations: OpenFEMA DisasterDeclarationsSummaries v2, refreshed 1 Oct 2026. Flood claims: OpenFEMA NfipClaims v3 as of 8 Sep 2026; NfipMultipleLossProperties v1 (2 Aug 2026); NfipResidentialPenetrationRates v1 (3 Aug 2026). Risk index: FEMA National Risk Index, December 2025. Hurricane tracks: NHC HURDAT2 through 2025. Population and area: US Census Bureau, 2021 vintage. Built 1 Oct 2026; see the methodology and corrections pages. Hazard hubs: Hail · Tornado · Flood · Wind · Winter.