Climate Risk in Roebourne, Western Australia
Roebourne is a town in the Pilbara region of Western Australia facing increasing climate risks. The primary hazards are bushfire, heatwaves, flooding, and coastal inundation. These risks are projected to worsen in the coming decades due to climate change.
Overall Risk Score
Confidence: Medium
Hazard Breakdown
Detailed Hazard Analysis
heat Risk
Roebourne experiences extreme heat, with very high average maximum temperatures during summer. Heatwaves are becoming more frequent and intense, posing a significant risk to vulnerable populations.
Primary Drivers
- ·Increased greenhouse gas emissions
- ·Urban heat island effect
Projections (RCP8.5)
2030
8.0
2050
8.5
flood Risk
Roebourne faces a moderate risk of flooding due to its proximity to the Harding River and low-lying areas. Intense rainfall events can lead to riverine and flash flooding.
Primary Drivers
- ·Increased rainfall intensity
- ·Sea level rise
- ·Urban development
Projections (RCP8.5)
2030
7.0
2050
7.5
coastal Risk
Roebourne faces a moderate risk from coastal hazards, including sea level rise and storm surge. Low-lying coastal areas are vulnerable to inundation and erosion.
Primary Drivers
- ·Sea level rise
- ·Increased storm intensity
Projections (RCP8.5)
2030
7.5
2050
8.0
bushfire Risk
Roebourne is at high risk of bushfires due to the surrounding arid grasslands and scrub. Hot, dry conditions and strong winds exacerbate the risk during the fire season.
Primary Drivers
- ·Increased temperatures
- ·Drier conditions
- ·Fuel load
Projections (RCP8.5)
2030
8.5
2050
9.0
What This Means for Property Owners
Insurance Outlook
Insurance premiums may increase due to climate risks.
Price Impact
Property values may be affected by increasing climate risks.
Buyer Checklist
- 1.Check flood maps and bushfire prone area designations.
- 2.Assess the property's vulnerability to heatwaves.
- 3.Consider the potential impact of climate change on insurance premiums.
- 4.Review the council's climate adaptation plans.
Local Climate Evidence
Flood Evidence
- Nearest Waterway
- Harding River
- Elevation Range
- 5-20m
- Flood Zone
- Areas near the Harding River are prone to flooding.
Historical flood events have impacted Roebourne, particularly during periods of heavy rainfall associated with tropical cyclones.
View council flood mapBushfire Evidence
- Distance to Bushland
- Immediately adjacent to town
- Planning Overlay
- DFES Bushfire Prone Areas Map
- Bushfire Prone Area
- Yes
The town is surrounded by vegetation that can act as fuel for bushfires. Firebreaks and vegetation management are important for reducing the risk.
Heat Evidence
- Avg January Max Temp
- 38.5°C
- Heat Stress Days/Year
- 15 days
Roebourne experiences prolonged periods of extreme heat during the summer months, with temperatures frequently exceeding 40 degrees Celsius.
Coastal Evidence
- Distance to Coast
- 40 km
- Sea Level Rise Exposure
- Low-lying areas may be vulnerable to sea level rise.
- Erosion Risk
- Minimal erosion risk currently.
Historical Climate Events
Heavy rainfall associated with a tropical low caused flooding in Roebourne, impacting homes and businesses.
SourceRoebourne experienced a prolonged heatwave with record-breaking temperatures, placing strain on infrastructure and public health services.
SourceA bushfire near Roebourne threatened the town, requiring evacuations and property protection efforts.
SourceLocalized flooding occurred in Roebourne following heavy rainfall, causing minor disruptions.
SourceClimate Outlook to 2050
Projections based on CSIRO and BOM climate modelling. Scenario: RCP4.5
| Hazard | Today | 2030 | 2050 |
|---|---|---|---|
| flood | 6.5 | 6.8(+0.3) | 7.2(+0.7) |
| bushfire | 8.0 | 8.4(+0.4) | 8.9(+0.9) |
| heat | 7.5 | 8.1(+0.6) | 9.0(+1.5) |
| coastal | 7.0 | 7.2(+0.2) | 7.5(+0.5) |
Under a moderate emissions scenario, Roebourne is projected to experience a slight increase in overall climate risk by 2030, with heat and bushfire risks increasing more significantly than flood and coastal risks.
CSIRO Climate ProjectionsAdaptation Recommendations
Improve Flood Defenses
Near-termConstruct levees and drainage systems to protect low-lying areas from flooding.
Est. cost: High
Learn moreEnhance Bushfire Preparedness
ImmediateImplement vegetation management programs, create firebreaks, and improve community education on bushfire safety.
Est. cost: Medium
Learn moreDevelop a Heat Action Plan
ImmediateEstablish cooling centers, provide public health advice on heat safety, and ensure access to water during heatwaves.
Est. cost: Low
Learn morePlan for Sea Level Rise
Long-termAssess the vulnerability of coastal infrastructure to sea level rise and develop adaptation strategies, such as managed retreat or coastal protection measures.
Est. cost: Very High
Learn moreUpgrade Infrastructure Resilience
Near-termEnsure that critical infrastructure, such as power and water supplies, is resilient to extreme weather events.
Est. cost: High
Learn moreAbout Roebourne's Climate Risk Profile
Roebourne, located in the Pilbara region of Western Australia, is increasingly vulnerable to the impacts of climate change. The town's geographical location and climate make it susceptible to a range of hazards, including bushfires, heatwaves, flooding, and coastal inundation.
Bushfire risk is particularly high due to the surrounding arid grasslands and scrub. Hot, dry conditions and strong winds create ideal conditions for bushfires to ignite and spread rapidly. Climate change is expected to exacerbate these conditions, leading to more frequent and intense bushfires.
Heatwaves are another significant concern for Roebourne. The town already experiences extreme heat during summer, and climate change is projected to increase the frequency and intensity of heatwaves. This poses a serious risk to vulnerable populations, such as the elderly and those with chronic health conditions.
Flooding is also a risk, particularly in low-lying areas near the Harding River. Intense rainfall events can lead to riverine and flash flooding, causing damage to property and infrastructure. Sea level rise is expected to increase the risk of coastal inundation, particularly during storm surges.
Addressing these climate risks will require a combination of adaptation and mitigation measures. Adaptation measures include building more resilient infrastructure, improving emergency response capabilities, and implementing land-use planning policies that reduce exposure to hazards. Mitigation measures include reducing greenhouse gas emissions to slow the pace of climate change.
Data sources: BOM · CSIRO · DFES
Local Government Resources
City of Karratha
Frequently Asked Questions
What are the main climate change risks facing Roebourne?
Roebourne faces increasing risks from bushfires, heatwaves, flooding, and coastal inundation due to climate change.
How is the City of Karratha addressing climate change?
The City of Karratha is developing and implementing climate adaptation strategies to reduce the town's vulnerability to climate hazards.
What can residents do to prepare for bushfires?
Residents can prepare for bushfires by clearing vegetation around their homes, creating a bushfire survival plan, and staying informed about fire danger ratings.
Where can I find information about flood risks in Roebourne?
Information about flood risks in Roebourne can be found on the City of Karratha website and from the Department of Fire and Emergency Services.
How can I stay safe during a heatwave?
During a heatwave, it is important to stay hydrated, stay in air-conditioned environments, avoid strenuous activity, and check on vulnerable neighbors.
Are insurance premiums likely to increase in Roebourne due to climate change?
Yes, insurance premiums may increase in Roebourne due to the increasing risks of climate-related disasters.
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