Climate Risk Assessment for Maclean, NSW
Maclean faces moderate climate risks, primarily related to flooding, heatwaves, and bushfires. Climate change is expected to increase the frequency and intensity of these events, potentially impacting property values and community well-being. Residents should prepare for more extreme weather conditions.
Overall Risk Score
Confidence: Medium
Hazard Breakdown
Detailed Hazard Analysis
heat Risk
Maclean experiences hot summers, and climate change is projected to increase the frequency and intensity of heatwaves, posing a risk to vulnerable populations.
Primary Drivers
- ·Increased temperatures
- ·More frequent heatwaves
Projections (RCP8.5)
2030
6.5
2050
7.0
flood Risk
Maclean is located near the Clarence River and is susceptible to flooding from heavy rainfall and riverine overflow. Climate change is expected to increase the frequency and intensity of extreme rainfall events, exacerbating flood risk.
Primary Drivers
- ·Increased rainfall intensity
- ·Sea level rise
- ·Riverine flooding
Projections (RCP8.5)
2030
7.5
2050
8.0
coastal Risk
Maclean is located inland from the coast, but is still potentially vulnerable to sea level rise and coastal inundation along the Clarence River. Climate change is expected to exacerbate these risks.
Primary Drivers
- ·Sea level rise
- ·Storm surge
Projections (RCP8.5)
2030
5.5
2050
6.0
bushfire Risk
Maclean has some bushfire risk due to surrounding vegetation. Hotter, drier conditions associated with climate change are expected to increase the likelihood and severity of bushfires.
Primary Drivers
- ·Increased temperatures
- ·Drier conditions
- ·Vegetation dryness
Projections (RCP8.5)
2030
4.5
2050
5.0
What This Means for Property Owners
Insurance Outlook
Insurers are likely to increase premiums in response to increased flood and bushfire risk.
Price Impact
Properties in flood-prone areas may experience a decrease in value.
Buyer Checklist
- 1.Check flood maps and insurance costs.
- 2.Assess bushfire risk and prepare a survival plan.
- 3.Consider the potential impacts of climate change on property value.
Local Climate Evidence
Flood Evidence
- Nearest Waterway
- Clarence River
- Elevation Range
- 5-15m
- Flood Zone
- Yes
The Clarence River has a history of flooding in Maclean. Council maintains flood maps and provides information to residents.
View council flood mapBushfire Evidence
- Distance to Bushland
- Adjacent
- Planning Overlay
- https://www.rfs.nsw.gov.au/plan-and-prepare/bush-fire-prone-land
- Bushfire Prone Area
- Yes
Maclean is located near bushland areas, increasing the risk of bushfires. Residents should be aware of fire danger ratings and have a bushfire survival plan.
Heat Evidence
- Avg January Max Temp
- 31.5°C
- Heat Stress Days/Year
- 3 days
Maclean experiences hot summers with average maximum temperatures exceeding 30 degrees Celsius in January. Heatwaves can pose a risk to vulnerable populations.
Coastal Evidence
- Distance to Coast
- 10 km
- Sea Level Rise Exposure
- Low
- Erosion Risk
- Low
Historical Climate Events
The Clarence River experienced moderate flooding, inundating low-lying areas of Maclean.
SourceBushfires in the surrounding region caused smoky conditions in Maclean and prompted evacuation warnings.
SourceHeavy rainfall caused the Clarence River to flood, impacting some properties in Maclean.
SourceClimate Outlook to 2050
Projections based on CSIRO and BOM climate modelling. Scenario: RCP8.5
| Hazard | Today | 2030 | 2050 |
|---|---|---|---|
| flood | 7.0 | 7.5(+0.5) | 8.0(+1.0) |
| bushfire | 4.0 | 4.3(+0.3) | 4.5(+0.5) |
| heat | 6.0 | 6.7(+0.7) | 7.2(+1.2) |
| coastal | 5.0 | 5.2(+0.2) | 5.4(+0.4) |
By 2030, Maclean is projected to experience an increase in the frequency and intensity of extreme weather events, particularly flooding and heatwaves. Bushfire risk is also expected to increase, while coastal risks remain relatively stable.
CSIRO Climate ProjectionsAdaptation Recommendations
Improve Flood Defenses
Near-termInvest in infrastructure to protect against flooding, such as levees and drainage systems.
Est. cost: High
Learn moreEnhance Bushfire Preparedness
Near-termImplement bushfire mitigation measures, such as hazard reduction burns and community education programs.
Est. cost: Medium
Learn moreDevelop Heatwave Response Plan
ImmediateCreate a plan to protect vulnerable populations during heatwaves, including cooling centers and public awareness campaigns.
Est. cost: Low
Learn morePlan for Sea Level Rise
Long-termAssess the potential impacts of sea level rise on Maclean and develop strategies to adapt to these changes.
Est. cost: Medium
Learn moreUpgrade Building Codes
Near-termIncorporate climate resilience measures into building codes to ensure new construction is better prepared for extreme weather events.
Est. cost: Medium
Learn moreAbout Maclean's Climate Risk Profile
Maclean, located in the Clarence Valley of New South Wales, is susceptible to a range of climate-related hazards. The town's proximity to the Clarence River makes it particularly vulnerable to flooding, with heavy rainfall events capable of causing significant inundation. Climate change projections indicate an increase in the frequency and intensity of extreme rainfall, which could lead to more severe and frequent flooding in the future.
Bushfire risk is also a concern for Maclean, as the surrounding vegetation can become dry and flammable during the hotter months. Rising temperatures and prolonged periods of drought, both associated with climate change, are expected to exacerbate bushfire risk in the region. Residents should be aware of bushfire safety measures and maintain their properties to reduce the risk of fire.
Heatwaves are another significant threat to Maclean, especially for vulnerable populations such as the elderly and those with pre-existing health conditions. Climate change is projected to increase the frequency and intensity of heatwaves, potentially leading to heat stress and other health problems. It is important for residents to stay hydrated, seek shelter in cool environments, and check on their neighbors during periods of extreme heat.
While Maclean is not directly on the coast, it is still potentially vulnerable to sea level rise and coastal inundation along the Clarence River. Climate change is expected to cause sea levels to rise, which could lead to increased flooding and erosion in low-lying areas. Residents should be aware of the potential impacts of sea level rise and take steps to protect their properties.
Data sources: BOM · CSIRO · NSW SES · NSW RFS · Clarence Valley Council
Local Government Resources
Clarence Valley Council
Frequently Asked Questions
What are the main climate risks facing Maclean?
Maclean is primarily at risk from flooding, bushfires, and heatwaves. Climate change is expected to increase the frequency and intensity of these events.
How will climate change affect property values in Maclean?
Properties in flood-prone areas may experience a decrease in value. Increased bushfire risk and heatwave intensity could also impact property values.
What can I do to protect my property from flooding?
Consider installing flood barriers, raising the elevation of your property, and purchasing flood insurance.
How can I prepare for a bushfire?
Create a bushfire survival plan, clear vegetation around your property, and stay informed about fire danger ratings.
What should I do during a heatwave?
Stay hydrated, seek shelter in cool environments, and check on vulnerable neighbors.
Where can I find more information about climate change in Maclean?
You can find more information on the Clarence Valley Council website, the NSW Department of Planning and Environment website, and the CSIRO website.
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