Climate Risk Assessment for Dianella, Western Australia
Dianella faces moderate risks from flooding, bushfires, and heatwaves. Climate change is expected to exacerbate these risks in the coming decades. Residents should prepare for more frequent extreme weather events.
Is Dianella Safe from Climate Risk?
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Overall Risk Score
Hazard Breakdown
Flood, bushfire, heat, coastal and storm exposure are all assessed in this area. The score that matters is the property's own: a ClimateNest report scores the address across eight hazards, with insurance and value projections to 2050.
Climate Hazard Breakdown for Dianella
Flood
Dianella faces a moderate risk of flooding, primarily from intense rainfall events and localized drainage issues. Properties in low-lying areas are more vulnerable.
Key drivers:
- ·Increased rainfall intensity
- ·Urban development reducing permeable surfaces
Bushfire
Dianella has a notable bushfire risk due to its proximity to bushland areas. Hot, dry summers increase the likelihood of bushfires impacting the suburb.
Key drivers:
- ·Increased frequency of heatwaves
- ·Drying vegetation increasing fuel load
Heat
Dianella is experiencing more frequent and intense heatwaves. This poses a risk to vulnerable populations, especially during summer.
Key drivers:
- ·Rising average temperatures
- ·Urban heat island effect
Coastal
Dianella has a low coastal risk due to its distance from the coastline. Sea level rise and coastal erosion are not significant threats.
Key drivers:
- ·Distance from coast
Wind
Data being compiled
Storm
Data being compiled
Social
Data being compiled
Energy
Data being compiled
In-Depth Climate Risk Guides for Dianella
Property buying guide with climate risk assessment
Flood zone mapping, historical events, and projections
BAL assessment, vegetation proximity, and fire history
Multi-hazard safety assessment to 2050
Severe weather, hail, and wind risk analysis
Extreme heat days, urban heat island, and cooling costs
Premium estimates and insurance availability
Climate-adjusted property investment analysis
Detailed Hazard Analysis
heat Risk
Dianella is experiencing more frequent and intense heatwaves. This poses a risk to vulnerable populations, especially during summer.
Primary Drivers
- ·Rising average temperatures
- ·Urban heat island effect
flood Risk
Dianella faces a moderate risk of flooding, primarily from intense rainfall events and localized drainage issues. Properties in low-lying areas are more vulnerable.
Primary Drivers
- ·Increased rainfall intensity
- ·Urban development reducing permeable surfaces
coastal Risk
Dianella has a low coastal risk due to its distance from the coastline. Sea level rise and coastal erosion are not significant threats.
Primary Drivers
- ·Distance from coast
bushfire Risk
Dianella has a notable bushfire risk due to its proximity to bushland areas. Hot, dry summers increase the likelihood of bushfires impacting the suburb.
Primary Drivers
- ·Increased frequency of heatwaves
- ·Drying vegetation increasing fuel load
What This Means for Property Owners
Insurance Outlook
Insurance premiums may increase due to increased flood and bushfire risk.
Price Impact
Properties in high-risk areas may experience a decrease in value.
Buyer Checklist
- 1.Check flood maps and drainage infrastructure.
- 2.Assess bushfire risk and management plans.
- 3.Consider energy efficiency for heatwave resilience.
- 4.Review insurance coverage for climate-related events.
How the region's climate is projected to change
Regional projections, not a forecast for this street. Figures are from the WA Department of Water and Environmental Regulation's climate projections for the South Western Flatlands region, which draws on CSIRO and Bureau of Meteorology modelling.
Temperature
+0.5 to 1.1°C by 2030
Above the 1986–2005 climate, on all emissions scenarios. By 2090, 1.2 to 2.0°C under intermediate emissions or 2.6 to 4.0°C under high emissions.
Rainfall
Winter rain down up to 15% by 2030
The South West has been drying since 1970, and the decline has been larger than anywhere else in Australia. Heavy rainfall events are projected to become more intense even as totals fall.
Fire weather
Harsher, magnitude uncertain
High confidence that fire weather becomes harsher, low confidence in the size of the change, because it depends heavily on summer rainfall.
Sea level
+0.12 m by 2030
At the Fremantle gauge, range 0.07 to 0.16 m. Very high confidence that sea levels continue to rise through the century.
Source: Department of Water and Environmental Regulation (WA), Western Australian climate projections: summary, September 2021, South Western Flatlands chapter. Read the projections →
Adaptation Recommendations
Improve Drainage Infrastructure
Near-termUpgrade drainage systems to handle increased rainfall intensity and reduce flood risk.
Est. cost: Medium
Learn moreBushfire Management Planning
ImmediateDevelop and implement comprehensive bushfire management plans for properties near bushland.
Est. cost: Low
Learn moreHeatwave Preparedness Program
Near-termEstablish a community-based heatwave preparedness program to protect vulnerable residents.
Est. cost: Low
Learn morePromote Water-Sensitive Urban Design
Long-termEncourage the use of permeable pavements and green infrastructure to reduce stormwater runoff.
Est. cost: Medium
Learn moreAbout Dianella's Climate Risk Profile
Dianella, a suburb of Perth, Western Australia, is increasingly vulnerable to the impacts of climate change. The primary risks include flooding from intense rainfall, bushfires due to dry conditions and proximity to bushland, and heatwaves during the summer months.
Flooding is a concern due to increased rainfall intensity and urban development that reduces permeable surfaces. Properties in low-lying areas are particularly at risk. Bushfire risk is elevated due to the suburb's proximity to bushland areas, with hot, dry summers increasing the likelihood of fires.
Heatwaves are becoming more frequent and intense, posing a significant risk to vulnerable populations. The urban heat island effect further exacerbates this issue. While coastal risks are relatively low due to Dianella's distance from the coast, the other hazards require proactive adaptation measures.
Residents and local authorities need to implement strategies to mitigate these risks, including improved drainage systems, bushfire management plans, and heatwave preparedness programs. Addressing climate change impacts is crucial for ensuring the long-term sustainability and resilience of Dianella.
Suburb pages describe the local picture. The address-level assessment, with its data sources and its dollar projections, is in the ClimateNest report.
Local Government Resources
City of Stirling
Frequently Asked Questions
What are the main climate change risks in Dianella?
The main risks are increased flooding, bushfire risk, and more frequent and intense heatwaves.
How is the City of Stirling addressing climate change?
The City of Stirling has a climate strategy focused on reducing emissions and adapting to climate impacts.
What can I do to prepare for a bushfire?
Clear vegetation around your property, develop a bushfire survival plan, and stay informed during fire season.
How can I stay safe during a heatwave?
Stay indoors in air-conditioned environments, drink plenty of water, and check on vulnerable neighbors.
Where can I find information about flood risks in Dianella?
The City of Stirling provides flood maps and information on its website.
Get your property's risk report
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What A$49 could save you from
*Industry sources: ICA, APRA, RBA
Full report from A$49 · Australian addresses only · 8 hazard scores · Insurance trajectory · 2030 & 2050 projections