Natural Disasters in Big Sky, MT
Hazard risk, disaster history, and FEMA data
Natural Hazard Risk
Source: FEMA National Risk IndexRisk Score
41.0
Very Low
Expected Annual Loss
51.2
Score (0-100)
Social Vulnerability
18.4
Score (0-100)
Community Resilience
40.9
Score (0-100)
Scores range from 0 (lowest risk) to 100 (highest risk) relative to all U.S. communities. Data from FEMA National Risk Index.
Disaster History & Federal Spending
Source: FEMATotal Declarations
7
Public Assistance
$125K
Most Common Type
Biological
2 declarations
Public Assistance by Category
| Disaster | Type | Date | PA $ | IA $ |
|---|---|---|---|---|
| Covid-19 Pandemic → | Biological | Mar 2020 | — | — |
| Covid-19 → | Biological | Mar 2020 | — | — |
| Severe Storms and Flooding → | Severe Storm | Jun 2011 | $125K | — |
| Hurricane Katrina Evacuation → | Hurricane | Sep 2005 | — | — |
| Wildfires → | Fire | Aug 2000 | — | — |
| Mt - Central Zone 3c Fire Complex → | Fire | Aug 2000 | — | — |
| Severe Storms,ice Jams, Snow Melt, Flood… → | Severe Storm | Jul 1997 | — | — |
| Severe Storm and Flooding → | Unknown | — | — | — |
PA = FEMA Public Assistance (infrastructure recovery). IA = Individual Assistance (homeowner/renter aid).
Flood Insurance (NFIP)
Source: FEMA NFIPTotal Claims
6
Total Claims Paid
$26,091
Avg Claim Payout
$4,349
County-level NFIP data from FEMA National Flood Insurance Program.
Hazard Mitigation
Source: FEMA Hazard Mitigation AssistanceMitigation Projects
11
Federal Funding
$1,457,489
Properties Protected
2
Avg Benefit-Cost Ratio
2.22
BCR
Top Mitigation Project Types
| Project Type | Projects | Federal $ |
|---|---|---|
| 403.1: Stormwater Management - Culverts | 2 | $1,107,379 |
| 91.1: Local Multihazard Mitigation Plan | 2 | $82,563 |
| 405.1: Other Minor Flood Control | 1 | $94,500 |
| 106.1: Other Non Construction (Regular Project Only) | 1 | $13,070 |
| 104.1: Developing, Implementing and Enforcing Codes, Standards, Ordinances and Regulations | 1 | $0 |
Federally funded projects to reduce future disaster risk. Only includes completed or obligated projects.
Big Sky has a very low overall natural hazard risk rating according to FEMA's National Risk Index. The top hazard risks are avalanche, landslide, wildfire. The area has had 7 federal disaster declarations. The most common disaster type is biological (2 declarations). 6 flood insurance claims have been filed in the area. FEMA has obligated $124,695 in public assistance recovery funding. 11 hazard mitigation projects have been funded to reduce future risk.