Climate Risk in Macquarie, ACT
Macquarie faces increasing risks from heatwaves and potential flash flooding. Bushfire risk is moderate due to proximity to bushland. Residents should prepare for more frequent extreme heat events and potential water restrictions.
Overall Risk Score
Confidence: Medium
Hazard Breakdown
Detailed Hazard Analysis
heat Risk
Macquarie is expected to experience more frequent and intense heatwaves. The urban environment contributes to the urban heat island effect, increasing nighttime temperatures and overall heat stress.
Primary Drivers
- ·Rising average temperatures
- ·Urban heat island effect
Projections (RCP8.5)
2030
7.5
2050
8.0
flood Risk
Macquarie has a moderate risk of flooding, primarily from flash flooding due to intense rainfall and localised overland flow. Some areas are near drainage lines and may be more susceptible.
Primary Drivers
- ·Increased rainfall intensity
- ·Urban development increasing runoff
Projections (RCP8.5)
2030
4.5
2050
5.0
coastal Risk
Macquarie is not exposed to coastal hazards due to its inland location.
Projections (RCP8.5)
2030
1.0
2050
1.0
bushfire Risk
Macquarie has a low to moderate bushfire risk due to its proximity to bushland areas. While not directly adjacent to dense forests, ember attack is a potential concern during severe fire weather.
Primary Drivers
- ·Dry vegetation
- ·Increased frequency of extreme weather events
Projections (RCP8.5)
2030
3.2
2050
3.5
What This Means for Property Owners
Insurance Outlook
Insurance premiums may increase due to flood and heatwave risks.
Price Impact
Properties in flood-prone areas may experience price stagnation or decline.
Buyer Checklist
- 1.Check flood maps and insurance costs.
- 2.Assess property's vulnerability to heatwaves.
- 3.Review bushfire risk mitigation measures.
- 4.Consider energy efficiency upgrades.
Local Climate Evidence
Flood Evidence
- Nearest Waterway
- Lake Ginninderra
- Elevation Range
- 580-620m
- Flood Zone
- Areas near drainage lines
Local drainage infrastructure may be overwhelmed during intense rainfall events.
View council flood mapBushfire Evidence
- Distance to Bushland
- Within 1km
- Planning Overlay
- ACTmapi
- Bushfire Prone Area
- Yes
Ember attack is a primary concern due to prevailing winds during bushfire events.
Heat Evidence
- Avg January Max Temp
- 28.5°C
- Heat Stress Days/Year
- 3 days
Urban heat island effect contributes to higher nighttime temperatures.
Coastal Evidence
- Distance to Coast
- 150 km
- Sea Level Rise Exposure
- Not applicable
- Erosion Risk
- Not applicable
Historical Climate Events
Canberra experienced a prolonged heatwave in January 2018, with temperatures exceeding 40°C for several consecutive days. This put strain on infrastructure and caused heat stress in vulnerable populations.
SourceA severe thunderstorm in January 2020 brought heavy rainfall and strong winds to Canberra, causing flash flooding and property damage in some areas.
SourceThe 2003 Canberra bushfires had a devastating impact on the region, although Macquarie was not directly impacted, the event highlighted the vulnerability of the region to bushfires.
SourceClimate Outlook to 2050
Projections based on CSIRO and BOM climate modelling. Scenario: RCP8.5
| Hazard | Today | 2030 | 2050 |
|---|---|---|---|
| flood | 4.0 | 4.3(+0.3) | 4.7(+0.7) |
| bushfire | 3.0 | 3.2(+0.2) | 3.5(+0.5) |
| heat | 7.0 | 8.0(+1.0) | 9.0(+2.0) |
| coastal | 1.0 | 1.0 | 1.0 |
By 2030, Macquarie is projected to experience a notable increase in heatwave intensity and frequency. Flash flooding risk will also increase due to more intense rainfall events. Bushfire risk will remain relatively stable, but vigilance is still required.
CSIRO Climate ProjectionsAdaptation Recommendations
Improve home cooling and insulation
ImmediateInstall energy-efficient air conditioning and improve insulation to reduce heat stress during heatwaves.
Est. cost: $5,000 - $15,000
Learn moreUpgrade drainage infrastructure
Near-termInvest in upgrading local drainage infrastructure to manage increased rainfall intensity and reduce flash flooding risk.
Est. cost: $50,000 - $200,000 (per project)
Learn moreDevelop a community heatwave plan
ImmediateCreate a community-based plan to support vulnerable residents during heatwaves, including cooling centers and outreach programs.
Est. cost: $10,000 - $50,000
Learn moreMaintain vegetation around properties
Near-termRegularly clear vegetation around properties to reduce bushfire risk and ember attack vulnerability.
Est. cost: $500 - $2,000 (per year)
Learn moreAbout macquarie's Climate Risk Profile
Macquarie, located in the Australian Capital Territory, is projected to experience a changing climate with increased risks from heatwaves and altered rainfall patterns. The primary concern is the increasing frequency and intensity of heatwaves, which will place stress on vulnerable populations and infrastructure.
Flash flooding is also a concern, as more intense rainfall events are expected. This can lead to localised flooding in low-lying areas and near drainage lines. While the suburb is not directly adjacent to major waterways, overland flow during heavy rainfall can pose a risk.
Bushfire risk is moderate, with the potential for ember attack from nearby bushland areas. Maintaining vegetation around properties and staying informed during fire weather warnings is crucial.
Coastal hazards are not a direct threat to Macquarie due to its inland location. However, broader climate change impacts, such as disruptions to supply chains and economic activity, could indirectly affect the suburb. Residents should stay informed about climate change projections and take steps to adapt to the changing conditions.
Data sources: BOM · CSIRO · ACT Emergency Services Agency · ACT Government Environment, Planning and Sustainable Development Directorate
Local Government Resources
ACT Government
Frequently Asked Questions
What are the main climate change risks for Macquarie?
The main risks are increasing heatwaves and potential flash flooding due to more intense rainfall events. Bushfire risk is moderate.
How will heatwaves affect my health in Macquarie?
Heatwaves can cause heat stress, dehydration, and exacerbate existing health conditions. It's important to stay hydrated, seek air-conditioned environments, and check on vulnerable neighbors.
What can I do to prepare for flash flooding in Macquarie?
Keep drains clear of debris, know your flood risk, and have an emergency plan in place. Consider flood insurance if you live in a low-lying area.
Is my property at risk from bushfires in Macquarie?
Macquarie has a moderate bushfire risk. Maintain vegetation around your property, stay informed during fire weather warnings, and have a bushfire survival plan.
Where can I find more information about climate change in the ACT?
The ACT Government's environment website provides information on climate change strategies, flood maps, and other relevant resources.
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