Climate Risk Assessment for Bourke, NSW
Bourke is a regional town in New South Wales facing increasing risks from heatwaves and flooding. Climate change is expected to exacerbate these risks, particularly heat and riverine flooding. Residents should prepare for more frequent and intense extreme weather events.
Overall Risk Score
Confidence: Medium
Hazard Breakdown
Climate Hazard Breakdown for Bourke
Flood
Bourke faces a moderate risk of flooding due to its location near the Darling River. Riverine flooding can inundate low-lying areas.
Key drivers:
- ·Increased rainfall intensity
- ·Riverine overflow
Bushfire
Bourke has a moderate bushfire risk due to surrounding grasslands and sparse vegetation. Hot, dry conditions increase the likelihood of fire.
Key drivers:
- ·Dry vegetation
- ·High temperatures
Heat
Bourke experiences high heat risk with frequent heatwaves and extremely high temperatures during summer. This poses a significant health risk to vulnerable populations.
Key drivers:
- ·Rising average temperatures
- ·More frequent heatwaves
Coastal
Bourke is located far inland and has negligible coastal risk.
Key drivers:
- ·Distance from coast
Wind
Moderate wind risk — East Coast Lows and gust fronts
Storm
Moderate storm risk — severe thunderstorms and hail
Social
Moderate social stability — mixed urban density
Energy
Moderate energy costs — climate-driven cooling demand
In-Depth Climate Risk Guides for Bourke
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
Bourke experiences high heat risk with frequent heatwaves and extremely high temperatures during summer. This poses a significant health risk to vulnerable populations.
Primary Drivers
- ·Rising average temperatures
- ·More frequent heatwaves
- ·Urban heat island effect
Projections (RCP8.5)
2030
9.0
2050
9.5
flood Risk
Bourke faces a moderate risk of flooding due to its location near the Darling River. Riverine flooding can inundate low-lying areas.
Primary Drivers
- ·Increased rainfall intensity
- ·Riverine overflow
- ·Climate change
Projections (RCP8.5)
2030
7.2
2050
7.8
coastal Risk
Bourke is located far inland and has negligible coastal risk.
Primary Drivers
- ·Distance from coast
Projections (N/A)
2030
1.0
2050
1.0
bushfire Risk
Bourke has a moderate bushfire risk due to surrounding grasslands and sparse vegetation. Hot, dry conditions increase the likelihood of fire.
Primary Drivers
- ·Dry vegetation
- ·High temperatures
- ·Windy conditions
Projections (RCP8.5)
2030
6.0
2050
6.5
What This Means for Property Owners
Insurance Outlook
Insurance premiums are likely to increase due to the increasing risk of flooding and heatwaves.
Price Impact
Properties in flood-prone areas may experience a decrease in value.
Buyer Checklist
- 1.Check flood maps and insurance costs.
- 2.Assess property's vulnerability to heatwaves.
- 3.Consider potential impacts of climate change on property value.
Local Climate Evidence
Flood Evidence
- Nearest Waterway
- Darling River
- Elevation Range
- 100-110m
- Flood Zone
- Areas adjacent to the Darling River are designated as flood zones.
The Darling River has a history of major flooding events in Bourke. Council maintains flood maps and provides information to residents on how to prepare for floods.
View council flood mapBushfire Evidence
- Distance to Bushland
- Approximately 5km to nearest significant bushland.
- Planning Overlay
- Check with NSW RFS for current bushfire prone area maps.
- Bushfire Prone Area
- Yes
While not immediately surrounded by dense forest, Bourke is located in a region prone to grassfires. Residents should maintain their properties to reduce fire risk.
Heat Evidence
- Avg January Max Temp
- 36.5°C
- Heat Stress Days/Year
- 15 days
Bourke experiences extreme heat during summer months. The average maximum temperature in January is very high, and the number of days exceeding 35°C is significant.
Coastal Evidence
- Distance to Coast
- 800 km
- Sea Level Rise Exposure
- Not applicable.
- Erosion Risk
- Not applicable.
Historical Climate Events
Major flooding of the Darling River inundated parts of Bourke, causing significant damage to property and infrastructure.
SourceProlonged heatwave with record-breaking temperatures impacted Bourke, leading to increased hospital admissions.
SourceSevere drought conditions impacted Bourke and surrounding areas, leading to water shortages and agricultural losses.
SourceClimate Outlook to 2050
Projections based on CSIRO and BOM climate modelling. Scenario: RCP8.5
| Hazard | Today | 2030 | 2050 |
|---|---|---|---|
| flood | 68 | 7.2(+0.4) | 7.6(+0.8) |
| bushfire | 55 | 5.8(+0.3) | 6.0(+0.5) |
| heat | 85 | 9.3(+0.8) | 10.0(+1.5) |
| coastal | 10 | 1.0 | 1.0 |
By 2030, Bourke is projected to experience more frequent and intense heatwaves, as well as an increased risk of flooding. Bushfire risk is also expected to increase slightly.
CSIRO Climate ProjectionsAdaptation Recommendations
Improve flood defenses
Near-termInvest in levees and other flood defenses to protect properties from riverine flooding.
Est. cost: High
Learn moreDevelop a heatwave management plan
ImmediateImplement a heatwave management plan to protect vulnerable populations during extreme heat events.
Est. cost: Medium
Learn moreEnhance bushfire preparedness
Near-termImplement bushfire mitigation strategies, such as controlled burns and community education programs.
Est. cost: Medium
Learn moreUpgrade water infrastructure
Long-termInvest in water infrastructure to ensure a reliable water supply during periods of drought.
Est. cost: High
Learn moreAbout Bourke's Climate Risk Profile
Bourke, located in the far west of New South Wales, is particularly vulnerable to the impacts of climate change. The region already experiences high temperatures, and projections indicate a significant increase in the frequency and intensity of heatwaves. This poses a serious threat to public health, especially for the elderly and those with pre-existing conditions.
Riverine flooding is another major concern for Bourke. The Darling River, which runs through the town, is prone to flooding during periods of heavy rainfall. Climate change is expected to increase rainfall intensity, leading to more frequent and severe flooding events. This can cause significant damage to property and infrastructure, as well as disrupt essential services.
Bushfire risk is also present, although less pronounced than heat and flooding. The surrounding grasslands and sparse vegetation can become highly flammable during hot, dry periods. While Bourke is not directly adjacent to dense bushland, the risk of grassfires spreading into the town remains a concern.
Adapting to these climate risks will require a multi-faceted approach, including investments in infrastructure, improved emergency preparedness, and community awareness programs. Residents should take steps to protect themselves and their properties from the impacts of extreme weather events.
Data sources: BOM · CSIRO · NSW SES · NSW RFS
Local Government Resources
Bourke Shire Council
Frequently Asked Questions
What are the main climate risks facing Bourke?
Bourke faces increasing risks from heatwaves, flooding, and drought due to climate change.
How will climate change affect property values in Bourke?
Properties in flood-prone areas may experience a decrease in value due to increased flood risk.
What is the council doing to address climate change?
Bourke Shire Council is developing strategies to mitigate and adapt to the impacts of climate change, including flood mitigation and heatwave management plans.
How can I prepare for heatwaves in Bourke?
Stay hydrated, seek air-conditioned environments, and check on vulnerable neighbors during heatwaves.
Where can I find information about flood risks in Bourke?
Flood maps and information are available on the Bourke Shire Council website and the NSW State Emergency Service website.
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