Alaska, 2021
The year's recorded storm events, federal disaster declarations and flood insurance claims.
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.
Events by hazard
Includes events recorded by forecast zone. The state's yearly total for 2021 was 283 against 251 in 2020.
Counties with the most recorded events
| County | Events in 2021 |
|---|---|
| Bristol Bay Borough | 8 |
| Kenai Peninsula Borough | 8 |
| Denali Borough | 1 |
Notable events
| Date | County | Event type | Magnitude | Property damage | Deaths | Injuries |
|---|---|---|---|---|---|---|
| 11 Oct 2021 | Forecast zone | High Wind | 62 mph | — | — | 1 |
| 19 Apr 2021 | Forecast zone | Flood | — | $5,000,000 | — | — |
| 12 May 2021 | Forecast zone | Flood | — | $500,000 | — | — |
| 12 Aug 2021 | Forecast zone | Flood | — | $345,000 | — | — |
Up to 40 events with deaths, injuries, damage of $50,000 or more, or a tornado rating, ranked by deaths, injuries and damage.
Federal disaster declarations in 2021
| Declared | Number | Type | Incident | Title | Counties |
|---|---|---|---|---|---|
| 17 Feb 2021 | DR-4585 | Major disaster | Mud/Landslide | Severe Storm, Flooding, Landslides, And Mudslides | 5 |
Flood insurance claims with a 2021 date of loss
5 NFIP claims, 3 of them paid, for $18,806.
Sources: NOAA NCEI Storm Events through 30 Jun 2026; OpenFEMA DisasterDeclarationsSummaries v2 (29 Sep 2026); OpenFEMA NfipClaims v3 (8 Sep 2026). Built 30 Sep 2026.