Alaska, 2023
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 2023 was 385 against 331 in 2022.
Counties with the most recorded events
| County | Events in 2023 |
|---|---|
| Bristol Bay Borough | 9 |
| Anchorage Municipality | 9 |
| Kenai Peninsula Borough | 8 |
| Sitka City and Borough | 6 |
| Ketchikan Gateway Borough | 6 |
| Petersburg Borough | 3 |
Notable events
| Date | County | Event type | Magnitude | Property damage | Deaths | Injuries |
|---|---|---|---|---|---|---|
| 20 Nov 2023 | Forecast zone | Debris Flow | — | $1,600,000 | 6 | 1 |
| 23 Jun 2023 | Forecast zone | Lightning | — | — | — | 1 |
| 5 Aug 2023 | Forecast zone | Flood | — | $7,000,000 | — | — |
| 20 Nov 2023 | Forecast zone | Debris Flow | — | $551,000 | — | — |
| 22 Feb 2023 | Forecast zone | Blizzard | — | $50,000 | — | — |
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 2023
| Declared | Number | Type | Incident | Title | Counties |
|---|---|---|---|---|---|
| 23 Aug 2023 | DR-4730 | Major disaster | Flood | Flooding | 10 |
| 3 Aug 2023 | FM-5473 | Fire management assistance | Fire | Lost Horse Creek Fire | 1 |
Flood insurance claims with a 2023 date of loss
19 NFIP claims, 12 of them paid, for $1,158,798.
Sources: NOAA NCEI Storm Events through 30 Jun 2026; OpenFEMA DisasterDeclarationsSummaries v2 (1 Oct 2026); OpenFEMA NfipClaims v3 (8 Sep 2026). Built 1 Oct 2026.