Natural Disasters in Portola, CA

Hazard risk, disaster history, and FEMA data

Natural Hazard Risk

Source: FEMA National Risk Index

Risk Score

86.4

Relatively Moderate

Expected Annual Loss

80.3

Score (0-100)

Social Vulnerability

91.4

Score (0-100)

Community Resilience

69.7

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: FEMA

Total Declarations

23

Public Assistance

$26.1M

Individual Assistance

$2K

Most Common Type

Flood

7 declarations

DisasterTypeDatePA $IA $
Severe Winter Storms, Straight-line Winds, Flooding, Landslides, and Mudslides →Severe StormApr 2023$422K—
Severe Winter Storms, Flooding, Landslides, and Mudslides →FloodMar 2023——
Wildfires →FireAug 2021$23.5M$2K
Dixie Fire →FireJul 2021——
Bear Fire →FireSep 2020——
Wildfires →FireAug 2020$118K—
Covid-19 Pandemic →BiologicalMar 2020——
Covid-19 →BiologicalMar 2020——
Severe Winter Storms, Flooding, and Mudslides →FloodApr 2017$1.0M—
Severe Winter Storms, Flooding, and Mudslides →Severe StormFeb 2017$853K—
Wildfires →FireJun 2008$7K—
Severe Storms, Flooding, Mudslides, and Landslides →Severe StormFeb 2006$217K—
Hurricane Katrina Evacuation →HurricaneSep 2005——
Ca-wildfires-08/25/1999 →FireSep 1999$5K—
Severe Storms, Flooding, Mud and Landslides →Severe StormJan 1997——
Severe Winter Storms, Flooding Landslides, Mud Flow →Severe StormMar 1995——
Severe Winter Storms, Flooding, Landslides, Mud Flows →Severe StormJan 1995——
Severe Winter Storm, Mud & Land Slides, & Flooding →FloodFeb 1993——
Severe Storms & Flooding →FloodFeb 1986——
Drought →DroughtJan 1977——

Showing 20 of 23 disasters

PA = FEMA Public Assistance (infrastructure recovery). IA = Individual Assistance (homeowner/renter aid).

Flood Insurance (NFIP)

Source: FEMA NFIP

Total Claims

57

Total Claims Paid

$1,132,329

Avg Claim Payout

$19,865

County-level NFIP data from FEMA National Flood Insurance Program.

Hazard Mitigation

Source: FEMA Hazard Mitigation Assistance

Mitigation Projects

2

Federal Funding

$73,972

Avg Benefit-Cost Ratio

21.30

BCR

Top Mitigation Project Types

Project TypeProjectsFederal $
403.7: Low Impact Development (LID) / Green Infrastructure (GI)1$0
91.3: Local Multihazard Mitigation Plan - UPDATE1$73,972

Federally funded projects to reduce future disaster risk. Only includes completed or obligated projects.

Portola has a relatively moderate overall natural hazard risk rating according to FEMA's National Risk Index. The top hazard risks are wildfire, earthquake, volcanic activity. The area has had 23 federal disaster declarations. The most common disaster type is flood (7 declarations). 57 flood insurance claims have been filed in the area. FEMA has obligated $26,078,013 in public assistance recovery funding. $2,000 has been distributed in individual assistance to disaster-affected residents. 2 hazard mitigation projects have been funded to reduce future risk.