Thomson Climate Risk Profile
Thomson, VIC, faces a moderate overall climate risk, with significant concerns around heatwaves and a notable flood risk due to its proximity to the Barwon River. While bushfire and coastal risks are low, the suburb's susceptibility to extreme heat events is projected to increase.
Is Thomson Safe from Climate Risk?
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Overall Risk Score
Hazard Breakdown
Flood, bushfire, heat, coastal and storm exposure are all assessed in this area. The score that matters is the property's own: a ClimateNest report scores the address across eight hazards, with insurance and value projections to 2050.
Climate Hazard Breakdown for Thomson
Flood
Thomson faces a moderate flood risk, primarily due to its proximity to the Barwon River and potential for flash flooding.
Key drivers:
- ·Increased rainfall intensity
- ·Riverine flooding
Bushfire
The risk of bushfire is relatively low, with limited direct bushland interface within the suburb itself.
Key drivers:
- ·Proximity to peri-urban areas
- ·Vegetation management
Heat
Thomson is highly susceptible to heatwaves, with a significant number of days exceeding 35°C projected.
Key drivers:
- ·Urban heat island effect
- ·Increased frequency of heatwaves
Coastal
Thomson is located inland and has no direct exposure to coastal erosion or sea-level rise.
Wind
Data being compiled
Storm
Data being compiled
Social
Data being compiled
Energy
Data being compiled
In-Depth Climate Risk Guides for Thomson
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
Thomson is highly susceptible to heatwaves, with a significant number of days exceeding 35°C projected.
Primary Drivers
- ·Urban heat island effect
- ·Increased frequency of heatwaves
- ·Reduced cooling breezes
flood Risk
Thomson faces a moderate flood risk, primarily due to its proximity to the Barwon River and potential for flash flooding.
Primary Drivers
- ·Increased rainfall intensity
- ·Riverine flooding
- ·Urbanisation
coastal Risk
Thomson is located inland and has no direct exposure to coastal erosion or sea-level rise.
Data sourcebushfire Risk
The risk of bushfire is relatively low, with limited direct bushland interface within the suburb itself.
Primary Drivers
- ·Proximity to peri-urban areas
- ·Vegetation management
What This Means for Property Owners
Insurance Outlook
Increasing premiums expected due to flood and heat risks.
Price Impact
Potential negative impact on properties in high-risk flood zones; heat resilience may become a selling point.
Buyer Checklist
- 1.Check flood maps for specific property risk.
- 2.Assess property's heat resilience (insulation, shading, cooling).
- 3.Review insurance policy details and costs.
- 4.Understand local council's climate adaptation plans.
How the region's climate is projected to change
Regional projections, not a forecast for this street. Figures are from the WA Department of Water and Environmental Regulation's climate projections for the South Western Flatlands region, which draws on CSIRO and Bureau of Meteorology modelling.
Temperature
+0.5 to 1.1°C by 2030
Above the 1986–2005 climate, on all emissions scenarios. By 2090, 1.2 to 2.0°C under intermediate emissions or 2.6 to 4.0°C under high emissions.
Rainfall
Winter rain down up to 15% by 2030
The South West has been drying since 1970, and the decline has been larger than anywhere else in Australia. Heavy rainfall events are projected to become more intense even as totals fall.
Fire weather
Harsher, magnitude uncertain
High confidence that fire weather becomes harsher, low confidence in the size of the change, because it depends heavily on summer rainfall.
Sea level
+0.12 m by 2030
At the Fremantle gauge, range 0.07 to 0.16 m. Very high confidence that sea levels continue to rise through the century.
Source: Department of Water and Environmental Regulation (WA), Western Australian climate projections: summary, September 2021, South Western Flatlands chapter. Read the projections →
Adaptation Recommendations
Enhance Urban Green Infrastructure
Near-termIncrease tree canopy cover and green spaces to mitigate the urban heat island effect and improve stormwater management.
Est. cost: $$
Learn moreUpgrade Flood Defences and Drainage
ImmediateInvest in upgrading and maintaining flood levees, stormwater drainage systems, and permeable surfaces to better manage increased rainfall intensity.
Est. cost: $$$
Learn morePromote Heat-Resilient Building Design
Near-termEncourage or mandate building designs that incorporate passive cooling, high-performance insulation, and reflective roofing materials.
Est. cost: $$
Learn moreDevelop Community Heatwave Response Plan
ImmediateEstablish clear communication channels and designated cooling centres for vulnerable residents during extreme heat events.
Est. cost: $
Learn moreReview and Update Emergency Management Plans
Near-termEnsure local emergency services and council plans adequately address the projected increases in flood and heat risks.
Est. cost: $
Learn moreAbout Thomson's Climate Risk Profile
Thomson, a suburb within the City of Greater Geelong, presents a mixed climate risk profile for its residents. The most pressing concern is the increasing threat of extreme heat. With a projected rise in average temperatures and a higher frequency of heatwave days, the urban environment of Thomson is likely to exacerbate the urban heat island effect, leading to significant health and infrastructure challenges. This susceptibility is compounded by the suburb's location within Victoria, a state already experiencing the impacts of a warming climate.
Flood risk is another significant factor for Thomson. Its geographical position near the Barwon River means that periods of intense rainfall or riverine flooding can pose a threat to properties and infrastructure. While the immediate risk might be moderate, climate change projections indicate an increase in the intensity of rainfall events, which could elevate the severity and frequency of flooding in low-lying areas of the suburb. Understanding local topography and drainage patterns is crucial for effective mitigation.
In contrast, the risks associated with bushfires and coastal impacts are considerably lower for Thomson. The suburb is not directly adjacent to large areas of dense bushland, and its inland location shields it from the direct effects of sea-level rise and coastal erosion. However, it's important to note that even areas with low direct bushfire risk can be affected by smoke or emergency service responses to nearby incidents.
Overall, Thomson's climate resilience strategy should prioritise adaptation measures for heat and flood risks. This includes enhancing green infrastructure, improving building resilience to heat, and ensuring robust flood management systems are in place and maintained. Community awareness and preparedness are also vital components in mitigating the impacts of these climate hazards.
Suburb pages describe the local picture. The address-level assessment, with its data sources and its dollar projections, is in the ClimateNest report.
Local Government Resources
City of Greater Geelong
Frequently Asked Questions
What is the main flood risk for Thomson residents?
The primary flood risk in Thomson stems from potential inundation from the Barwon River, particularly in areas close to its banks, and from localised flash flooding due to intense rainfall overwhelming drainage systems.
How will climate change affect heat in Thomson?
Climate change is projected to increase the frequency and intensity of heatwaves in Thomson, leading to more days over 35°C and exacerbating the urban heat island effect, making the suburb hotter than surrounding rural areas.
Is Thomson prone to bushfires?
Thomson itself has a relatively low direct bushfire risk due to limited adjacent bushland. However, properties on the outskirts may be closer to vegetated areas, and the broader region is considered bushfire-prone.
What can I do to prepare my home for heatwaves in Thomson?
Consider improving insulation, installing efficient cooling systems, planting shade trees, using reflective window coverings, and ensuring adequate ventilation. Staying hydrated and checking on neighbours is also crucial.
Does Thomson face risks from sea-level rise?
No, Thomson is located inland and does not face direct risks from sea-level rise or coastal erosion. Its climate risks are primarily related to flooding and heat.
Where can I find the official flood map for Thomson?
The City of Greater Geelong provides flood overlay maps on their planning scheme website, which can help identify specific areas within Thomson that are at higher risk of inundation.
Get your property's risk report
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What A$49 could save you from
*Industry sources: ICA, APRA, RBA
Full report from A$49 · Australian addresses only · 8 hazard scores · Insurance trajectory · 2030 & 2050 projections