Thorpdale South Climate Risk Assessment

Thorpdale South, Victoria· South Gippsland Shire Council· 3822
Medium Risk
Updated June 2026

Thorpdale South faces a medium overall climate risk, primarily driven by increasing heatwave intensity and moderate flood risks. While coastal impacts are negligible, residents should prepare for more extreme weather events.

Overall Risk Score

55/100
Medium

Confidence: Medium

Hazard Breakdown

Flood
6.0
Bushfire
5.0
Heat
7.0
Coastal
1.0

Climate Hazard Breakdown for Thorpdale South

increasing

Flood

60/100

Moderate flood risk due to proximity to waterways and historical rainfall patterns.

Key drivers:

  • ·Increased rainfall intensity
  • ·Riverine flooding
increasing

Bushfire

50/100

Moderate bushfire risk due to surrounding vegetation and historical fire seasons.

Key drivers:

  • ·Increased dry periods
  • ·Vegetation fuel load
increasing

Heat

70/100

High heat risk driven by increasing frequency and intensity of heatwaves.

Key drivers:

  • ·Rising average temperatures
  • ·More frequent extreme heat days
stable

Coastal

10/100

Very low coastal risk due to significant distance from the coast.

stable

Wind

28/100

Moderate wind risk — cold fronts and gusty winds

stable

Storm

32/100

Moderate storm risk — severe thunderstorms

stable

Social

21/100

Moderate social stability

increasing

Energy

35/100

Moderate energy costs — heating and cooling needs

In-Depth Climate Risk Guides for Thorpdale South

Detailed Hazard Analysis

heat Risk

70/100

High heat risk driven by increasing frequency and intensity of heatwaves.

Primary Drivers

  • ·Rising average temperatures
  • ·More frequent extreme heat days

Projections (RCP 4.5)

2030

7.5

2050

8.0

Data source

flood Risk

60/100

Moderate flood risk due to proximity to waterways and historical rainfall patterns.

Primary Drivers

  • ·Increased rainfall intensity
  • ·Riverine flooding

Projections (RCP 4.5)

2030

6.5

2050

7.0

Data source

coastal Risk

10/100

Very low coastal risk due to significant distance from the coast.

Projections (RCP 4.5)

2030

1.0

2050

1.0

Data source

bushfire Risk

50/100

Moderate bushfire risk due to surrounding vegetation and historical fire seasons.

Primary Drivers

  • ·Increased dry periods
  • ·Vegetation fuel load

Projections (RCP 4.5)

2030

5.5

2050

6.0

Data source

What This Means for Property Owners

Insurance Outlook

Moderate increase in premiums expected due to increasing extreme weather events.

Price Impact

Potential for negative impact on property values in higher-risk zones, though currently minimal.

Buyer Checklist

  • 1.Review current and future flood risk maps.
  • 2.Assess proximity to bushfire-prone areas and vegetation.
  • 3.Investigate local heatwave history and emergency service response.
  • 4.Check insurance policy coverage and costs.
  • 5.Understand local council's climate adaptation plans.

Local Climate Evidence

Flood Evidence

Nearest Waterway
Tarwin River
Elevation Range
50-150m
Flood Zone
Low to Medium

The Tarwin River and its tributaries can cause localized flooding, particularly after intense rainfall events. The flatter terrain in some areas increases susceptibility.

View council flood map

Bushfire Evidence

Distance to Bushland
Adjacent to moderate bushland
Planning Overlay
Significant Vegetation Overlay
Bushfire Prone Area
Yes

The area is surrounded by agricultural land and pockets of native bushland, increasing the risk during fire seasons. Proximity to the Strzelecki Ranges adds to the bushfire potential.

Heat Evidence

Avg January Max Temp
26.5°C
Heat Stress Days/Year
5 days

Average January maximum temperatures are moderate, but the frequency of days exceeding 35°C is projected to increase significantly. Historical data shows increasing trends in heatwave duration.

Coastal Evidence

Distance to Coast
60 km
Sea Level Rise Exposure
Negligible
Erosion Risk
Negligible

Historical Climate Events

1926
bushfireMajor

The 'Black Sunday' bushfires impacted large areas of Victoria, including regions near Thorpdale South, causing significant destruction.

Source
1971
floodModerate

Significant rainfall led to flooding in the Tarwin River catchment, affecting low-lying areas around Thorpdale South.

Source
2009
bushfireMajor

The Black Saturday bushfires, while not directly impacting Thorpdale South intensely, caused widespread concern and increased fire preparedness across Victoria.

Source
2016
heatwaveModerate

A prolonged heatwave affected Victoria, with temperatures in the region reaching above 40°C for several consecutive days.

Source

Climate Outlook to 2050

Projections based on CSIRO and BOM climate modelling. Scenario: RCP 4.5

HazardToday20302050
flood606.2(+0.2)6.4(+0.4)
bushfire505.3(+0.3)5.5(+0.5)
heat707.5(+0.5)8.0(+1.0)
coastal101.01.0

By 2030, Thorpdale South is projected to experience a noticeable increase in overall climate risk, primarily driven by more frequent and intense heatwaves. Flood risk will see a slight increase, while bushfire risk will also grow moderately.

CSIRO Climate Projections

Adaptation Recommendations

Community Heatwave Plan

Near-term

Develop and implement a community-wide plan to support vulnerable residents during extreme heat events, including designated cooling centres and communication strategies.

Est. cost: $10,000 - $30,000

Learn more

Water Sensitive Urban Design (WSUD)

Near-term

Promote and implement WSUD principles in new developments and retrofits to manage stormwater runoff and reduce localized flooding.

Est. cost: $50,000 - $200,000 per project

Learn more

Bushfire Preparedness Education

Immediate

Increase community awareness and education on bushfire preparedness, including creating defendable space around properties and developing household fire plans.

Est. cost: $5,000 - $15,000

Learn more

Resilient Infrastructure Upgrades

Long-term

Assess and upgrade critical local infrastructure (e.g., power, communication) to withstand extreme weather events.

Est. cost: $1M+

Learn more

Vegetation Management Program

Near-term

Implement a strategic vegetation management program in identified high-risk bushfire areas to reduce fuel loads.

Est. cost: $20,000 - $50,000 annually

Learn more

About Thorpdale South's Climate Risk Profile

Thorpdale South, located in Victoria, is a rural locality with a moderate overall climate risk profile. The primary concerns stem from the increasing intensity and frequency of heatwaves, projected to significantly impact the region. This is compounded by a moderate risk of flooding, influenced by local topography and historical rainfall patterns.

The surrounding natural landscape, while beautiful, also contributes to a moderate bushfire risk, particularly during prolonged dry periods. While Thorpdale South is not directly exposed to coastal hazards, its inland location does not entirely insulate it from broader climate shifts affecting rainfall and temperature extremes.

Climate projections indicate a worsening trend for heat and flood risks in the coming decades. This necessitates proactive adaptation measures for both residents and the local community to build resilience against these escalating threats. Understanding these risks is crucial for long-term planning and ensuring the safety and well-being of the community.

Local evidence suggests that while the immediate coastal threat is minimal, the inland environmental factors play a more significant role in the suburb's climate vulnerability. The community's preparedness and the effectiveness of local council strategies will be key in mitigating the impacts of climate change.

Data sources: BOM · CSIRO · CFA · SES Victoria · South Gippsland Shire Council · ClimateNest Analysis

Local Government Resources

Frequently Asked Questions

What is the primary climate risk for Thorpdale South?

The primary climate risk for Thorpdale South is increasing heatwave intensity and frequency, followed by moderate flood risks.

Is Thorpdale South at risk of sea-level rise?

No, Thorpdale South is located significantly inland and is not at risk from sea-level rise or coastal erosion.

What should I do to prepare for a heatwave in Thorpdale South?

During a heatwave, stay hydrated, seek cool environments, check on vulnerable neighbours, and limit strenuous outdoor activity. The local council may open cooling centres during extreme events.

How often does flooding occur in Thorpdale South?

Flooding in Thorpdale South is typically associated with the Tarwin River and occurs after periods of intense rainfall. While not frequent, moderate flood events have been recorded historically.

What are the bushfire risks in Thorpdale South?

Thorpdale South has a moderate bushfire risk due to surrounding vegetation. It's important to have a bushfire plan, maintain your property, and stay informed during fire danger periods.

Where can I find the official flood map for Thorpdale South?

The official flood information and maps for the area can be found on the South Gippsland Shire Council website under Emergency Management.

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What A$69 could save you from

$7.2B
2022 insured disaster losses*
$300B+
climate risk to property by 2050*
30-120%
insurance premium increases in high-risk areas*

*Industry sources: ICA, APRA, RBA

Full report from A$69 · Australian addresses only · 8 hazard scores · Insurance trajectory · 2030 & 2050 projections