Automated baseline from FEMA and NOAA data, release 2026-10.
Sitka City and Borough, AK
Risk-assessment baseline packet. County FIPS 02220. Release 2026-10, data as of 2026-09-30.
Summary
Plan status as of 2026-09-30: Expired on 2024-07-04. Plan: Sitka City and Borough HMP (FEMA plan 102805), approved 2019-07-05.
Since the plan was approved on 2019-07-05: no new hazard declaration and 53 NOAA Storm Events records; details under "What changed since your last plan".
Highest expected annual loss (FEMA National Risk Index, modeled total; see B1-a): Earthquake ($2,240,997 a year), Tsunami ($2,000,010) and Landslide ($1,550,250).
The packet's tables are organized by the items of FEMA's Local Mitigation Plan Review Tool, Element B (B1-a to B2-c); the summaries below follow the same order.
Until a new plan is approved, FEMA mitigation project grants (HMGP, FMA) need a FEMA exception (44 CFR 201.6(a)(3)).
Plan clock from the consolidated city and borough government plan (Sitka city and borough). FEMA plan data has no separate county-level row for this county.
What changed since your last plan (approved 2019-07-05)
New federal declarations:
no new hazard declaration; 2 COVID-19 declarations (not counted)
Storm Events records since approval:
53 records (data through 2026-06-30)
Repetitive loss now:
FMA RL 0, SRL 0 (44 CFR 77.2); any definition: 0
Repeat-flood change:
this release sets the baseline count.
Plan status for every jurisdiction listed in this county
1 jurisdiction. Each row is that jurisdiction's own plan clock.
Jurisdiction
Type
Status
Plan
Approved
Expires
Days to expirynegative = days since expiry
Sitka city and borough
Organized Borough
Expired on 2024-07-04
Sitka City and Borough HMP (FEMA plan 102805)
2019-07-05
2024-07-04
-818
State plan status and tribal plans in this state: see the state page.
What the packet contains
Sections in FEMA checklist order; each heading names the review item its tables support. Full tables are in the downloads above.
17 of the 18 National Risk Index hazards apply here.
Not applicable to this county per NRI, with no federal declaration and no Storm Events record since 1996: hurricane. That is the evidence for leaving them out of the plan.
Highest expected annual loss (NRI, modeled): Earthquake, Tsunami and Landslide.
Not covered by NRI (local data needed): dam failure (incl. upstream dams); levee failure; flash flood as its own subtype; ice jams; debris flows; erosion (riverine and coastal); land subsidence and sinkholes; expansive soils.
The state hazard mitigation plan also lists hazards for this county; FEMA asks the plan to explain any hazard it leaves out.
Supports FEMA checklist item B1-b Hazard location
Avalanche, Earthquake, Landslide, Tornado, Tsunami, Volcanic Activity and Wildfire vary within the county; the packet lists the highest-rated census tracts for each.
Coastal Flooding and Inland Flooding: the FEMA Flood Insurance Rate Map (FIRM) is the required location source for flooding. See the FEMA Flood Map Service Center (https://msc.fema.gov) for this county.
Cold Wave, Drought, Hail, Heat Wave, Ice Storm, Lightning, Strong Wind and Winter Weather: affects the whole county; national data give no location within it.
Supports FEMA checklist item B1-c Hazard extent
Storm Events records for 7 of the 20 NOAA event-type groups mapped to the 18 hazards, with the scale, observed range and worst recorded event for each; the others say which local data are needed.
Federal declarations for this area: 2 declarations covering 0 separate hazard incidents counted in this packet; each with type, dates and county Public Assistance dollars.
New since the last plan (approved 2019-07-05): DR-4533-AK and EM-3446-AK.
4 statewide declarations listed separately.
Hazards with no Storm Events record and no federal declaration are stated as such (12 of 18).
Storm Events history: 420 records (notable ones in the PDF, all of them in the Excel file).
Supports FEMA checklist item B1-e Probability of future events
FEMA annualized frequency (modeled) for each hazard, with a descriptor from a scale defined in the packet.
Highly likely: Landslide, Lightning and Winter Weather
Possible: Avalanche, Coastal Flooding, Cold Wave, Heat Wave and Wildfire
Unlikely: Hail, Strong Wind, Tornado and Volcanic Activity
Historical frequency by intensity band (tornado, hail, wind): 9 bands from Storm Events.
Supports FEMA checklist item B1-f Hazards that vary across jurisdictions
Range of census tract risk scores within the area for 17 of the 18 hazards (2 tracts; rated tracts only).
1 jurisdiction: plan clock, repeat-flood count, Public Assistance dollars and event records naming the place (starting figures from federal data).
Supports FEMA checklist items B2-a and B2-b Vulnerability and potential impacts
The packet's table gives county-level starting figures; the plan describes impacts for each jurisdiction and its own assets.
Storm Events damage since 2019-07-05: none reported in county-coded records (0 records); $0 reported for the zone (53 zone records). Data through 2026-06-30; nominal dollars.
Local data needed
To gather:
Critical facilities and lifelines per hazard
A problem statement per jurisdiction per hazard
Changes in development in hazard-prone areas since the last approval, or a statement of none (E1-a)
Population 8,434; building value $2,580,350,534 and agriculture value $0 (total, not at risk).
National Risk Index rating Very Low; social vulnerability Relatively Moderate; community resilience Very High.
Supports FEMA checklist item B2-c Repetitive loss properties
Repetitive-loss properties, FMA definition (44 CFR 77.2): 0 repetitive loss, 0 severe repetitive loss. NFIP insurance definition: 0 and 0.
Mitigated 0; insured 0; NFIP data as of 2026-08-02. Counts by occupancy group and for each jurisdiction are in the packet.
Releases
2026-10 (this release)
Each release is dated; this is release 2026-10. It was first published 2026-09-30; its files do not change. Later releases will be listed here with what changed between them. All releases.
Cite this
Hazard Plain (2026). Sitka City and Borough, AK: risk-assessment baseline packet, release 2026-10 (data as of 2026-09-30; County FIPS 02220). Automated baseline. https://hazardplain.org/ak/02220/ Built from FEMA OpenFEMA, the FEMA National Risk Index and NOAA NCEI Storm Events; source versions in the packet's Sources list.