Climate Risk Profile: Crowther Island, NSW
Crowther Island faces significant climate risks, particularly from flooding, coastal erosion, and heatwaves. These risks are projected to increase in the future, potentially impacting property values and community well-being. Residents should prepare for more frequent extreme weather events.
Overall Risk Score
Confidence: Medium
Hazard Breakdown
Climate Hazard Breakdown for Crowther Island
Flood
Crowther Island is highly susceptible to flooding due to its low elevation and proximity to waterways. Riverine and flash flooding are potential concerns.
Key drivers:
- ·Increased rainfall intensity
- ·Sea level rise
Bushfire
The area around Crowther Island has a moderate bushfire risk due to surrounding vegetation. Hot, dry conditions can increase the likelihood of bushfires.
Key drivers:
- ·Increased frequency of heatwaves
- ·Drier vegetation
Heat
Crowther Island is likely to experience more frequent and intense heatwaves, posing a risk to vulnerable populations.
Key drivers:
- ·Rising global temperatures
- ·Urban heat island effect
Coastal
As an island, Crowther Island is exposed to coastal erosion and sea level rise. This poses a threat to infrastructure and property.
Key drivers:
- ·Sea level rise
- ·Increased storm surge
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 Crowther Island
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
Crowther Island is likely to experience more frequent and intense heatwaves, posing a risk to vulnerable populations.
Primary Drivers
- ·Rising global temperatures
- ·Urban heat island effect
Projections (RCP8.5)
2030
7.4
2050
7.8
flood Risk
Crowther Island is highly susceptible to flooding due to its low elevation and proximity to waterways. Riverine and flash flooding are potential concerns.
Primary Drivers
- ·Increased rainfall intensity
- ·Sea level rise
- ·Inadequate drainage infrastructure
Projections (RCP8.5)
2030
8.8
2050
9.2
coastal Risk
As an island, Crowther Island is exposed to coastal erosion and sea level rise. This poses a threat to infrastructure and property.
Primary Drivers
- ·Sea level rise
- ·Increased storm surge
- ·Coastal erosion
Projections (RCP8.5)
2030
7.6
2050
8.0
bushfire Risk
The area around Crowther Island has a moderate bushfire risk due to surrounding vegetation. Hot, dry conditions can increase the likelihood of bushfires.
Primary Drivers
- ·Increased frequency of heatwaves
- ·Drier vegetation
- ·Stronger winds
Projections (RCP8.5)
2030
6.3
2050
6.7
What This Means for Property Owners
Insurance Outlook
Premiums are likely to increase due to climate risks.
Price Impact
Property values may be negatively impacted by increased flood and coastal erosion risks.
Buyer Checklist
- 1.Check flood maps and insurance costs.
- 2.Assess bushfire risk and mitigation measures.
- 3.Consider long-term climate projections.
- 4.Evaluate coastal erosion risks.
Local Climate Evidence
Flood Evidence
- Nearest Waterway
- Hawkesbury River
- Elevation Range
- 0-5 meters
- Flood Zone
- High Risk
Historical flood data indicates frequent inundation of low-lying areas.
View council flood mapBushfire Evidence
- Distance to Bushland
- Adjacent
- Planning Overlay
- RFS Bush Fire Prone Land
- Bushfire Prone Area
- Yes
The island is surrounded by bushland, increasing the risk of bushfire spread.
Heat Evidence
- Avg January Max Temp
- 31.5°C
- Heat Stress Days/Year
- 5 days
Heatwaves are becoming more frequent and intense, posing a risk to vulnerable residents.
Coastal Evidence
- Distance to Coast
- 0.1 km
- Sea Level Rise Exposure
- High
- Erosion Risk
- Significant
Historical Climate Events
Severe flooding of the Hawkesbury River inundated large parts of Crowther Island, causing significant property damage.
SourceBushfires in the surrounding region caused smoke haze and increased fire risk on Crowther Island.
SourceRecord-breaking heatwave conditions led to heat stress and health concerns for vulnerable residents.
SourceHeavy rainfall caused localized flooding on Crowther Island, disrupting transport and damaging property.
SourceClimate Outlook to 2050
Projections based on CSIRO and BOM climate modelling. Scenario: RCP8.5
| Hazard | Today | 2030 | 2050 |
|---|---|---|---|
| flood | 85 | 8.8(+0.3) | 9.1(+0.6) |
| bushfire | 60 | 6.2(+0.2) | 6.4(+0.4) |
| heat | 70 | 7.4(+0.4) | 7.8(+0.8) |
| coastal | 73 | 7.9(+0.6) | 8.5(+1.2) |
By 2030, Crowther Island is projected to experience more frequent and intense flooding, heatwaves, and coastal erosion due to climate change.
CSIRO Climate ProjectionsAdaptation Recommendations
Improve Drainage Infrastructure
ImmediateUpgrade drainage systems to handle increased rainfall and reduce flood risk.
Est. cost: High
Learn moreImplement Bushfire Mitigation Strategies
Near-termClear vegetation around properties and develop community bushfire plans.
Est. cost: Medium
Learn moreStrengthen Coastal Defenses
Near-termConstruct seawalls and other coastal protection measures to reduce erosion.
Est. cost: High
Learn moreDevelop Heatwave Response Plan
ImmediateEstablish cooling centers and provide support for vulnerable residents during heatwaves.
Est. cost: Low
Learn moreAbout Crowther Island's Climate Risk Profile
Crowther Island, located in New South Wales, is particularly vulnerable to the impacts of climate change. Its low-lying geography makes it highly susceptible to flooding from both riverine and coastal sources. Sea level rise and increased rainfall intensity are expected to exacerbate these risks, potentially leading to property damage and displacement.
Bushfire risk is also a concern, with surrounding vegetation posing a threat during hot, dry conditions. The frequency and intensity of heatwaves are projected to increase, placing stress on vulnerable populations and infrastructure. Coastal erosion is an ongoing issue, threatening the island's coastline and properties.
Adapting to these changes will require a multi-faceted approach, including improved drainage infrastructure, bushfire mitigation strategies, and coastal protection measures. Community awareness and preparedness are also crucial for minimizing the impacts of extreme weather events.
Long-term planning should consider the potential for managed retreat from the most vulnerable areas. Investing in resilient infrastructure and promoting sustainable development practices will be essential for ensuring the long-term viability of Crowther Island.
Data sources: BOM · CSIRO · NSW State Emergency Service · NSW Rural Fire Service · NSW Department of Planning and Environment
Local Government Resources
Frequently Asked Questions
What are the main climate risks facing Crowther Island?
Crowther Island is primarily at risk from flooding, bushfires, heatwaves, and coastal erosion, all of which are expected to worsen with climate change.
How will climate change affect property values on Crowther Island?
Increased climate risks, particularly flooding and coastal erosion, may negatively impact property values on Crowther Island.
What can residents do to prepare for increased heatwaves?
Residents can prepare by staying hydrated, seeking air-conditioned spaces, and checking on vulnerable neighbors during heatwaves.
What is the local council doing to address climate change?
The local council is UNKNOWN. Check the council website for more information.
Where can I find information about flood risks on Crowther Island?
You can find flood maps and information on the NSW State Emergency Service website.
How can I protect my home from bushfires?
Clear vegetation around your home, install fire-resistant materials, and develop a bushfire survival plan.
Get your property's risk report
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