Longwarry Climate Risk Assessment

Longwarry, Victoria· Cardinia Shire Council· 3816
Medium Risk
Updated June 2026

Longwarry, located in Victoria's Gippsland region, faces a medium overall climate risk. The primary concerns are increasing heatwave intensity and moderate flood risks, with bushfire also posing a threat. 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
6.5
Coastal
1.0

Climate Hazard Breakdown for Longwarry

increasing

Flood

60/100

Moderate flood risk due to proximity to waterways and low-lying areas.

Key drivers:

  • ·Increased rainfall intensity
  • ·Riverine flooding
increasing

Bushfire

50/100

Medium bushfire risk due to surrounding vegetation and historical fire activity.

Key drivers:

  • ·Increased dry periods
  • ·Vegetation fuel load
increasing

Heat

65/100

High heat risk due to increasing frequency and intensity of heatwaves.

Key drivers:

  • ·Rising average temperatures
  • ·More frequent heatwaves
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 Longwarry

Detailed Hazard Analysis

heat Risk

65/100

High heat risk due to increasing frequency and intensity of heatwaves.

Primary Drivers

  • ·Rising average temperatures
  • ·More frequent heatwaves

Projections (RCP 4.5)

2030

7.0

2050

7.5

Data source

flood Risk

60/100

Moderate flood risk due to proximity to waterways and low-lying areas.

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

Medium bushfire risk due to surrounding vegetation and historical fire activity.

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

Increasing premiums expected due to higher risk events.

Price Impact

Potential negative impact on property values in high-risk zones.

Buyer Checklist

  • 1.Check flood maps for property location.
  • 2.Review bushfire attack level (BAL) rating.
  • 3.Assess proximity to waterways and potential flood impacts.
  • 4.Consider heat resilience of the property.
  • 5.Verify insurance availability and cost.

Local Climate Evidence

Flood Evidence

Nearest Waterway
Tarago River
Elevation Range
20-60m
Flood Zone
Some areas adjacent to Tarago River

The Tarago River can experience flash flooding after intense rainfall events, impacting low-lying areas near its banks.

View council flood map

Bushfire Evidence

Distance to Bushland
Adjacent to rural/bushland interface
Planning Overlay
Significant Bushfire Prone Area Overlay
Bushfire Prone Area
Yes

The area is classified as bushfire-prone, requiring adherence to CFA guidelines for building and land management.

Heat Evidence

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

Average January maximum temperatures are rising, and the number of days exceeding 35°C is projected to increase significantly.

Coastal Evidence

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

Historical Climate Events

2011
floodModerate

Significant flooding occurred along the Tarago River, impacting properties in low-lying areas near Longwarry.

Source
2019
bushfireModerate

A grassfire threatened properties on the outskirts of Longwarry, requiring a significant response from the CFA.

Source
2020
heatwaveMajor

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

Source
2022
floodMajor

Widespread flooding across Gippsland, including areas near Longwarry, due to extreme rainfall.

Source

Climate Outlook to 2050

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

HazardToday20302050
flood606.3(+0.3)6.5(+0.5)
bushfire505.2(+0.2)5.4(+0.4)
heat657.0(+0.5)7.3(+0.8)
coastal101.01.0

By 2030, Longwarry is projected to experience a moderate increase in overall climate risk, primarily driven by more frequent and intense heatwaves. Flood risk will also see a slight increase due to heavier rainfall events.

CSIRO Climate Projections

Adaptation Recommendations

Community Heatwave Plan

Near-term

Develop and promote a community-wide plan for heatwave preparedness, including identifying cooling centres and supporting vulnerable residents.

Est. cost: $

Learn more

Floodplain Management Review

Near-term

Undertake a review of floodplain management strategies for the Tarago River catchment, focusing on updated rainfall intensity projections.

Est. cost: $$

Learn more

Bushfire Preparedness Education

Immediate

Increase community education and engagement on bushfire preparedness, including property maintenance and emergency planning.

Est. cost: $

Learn more

Water Sensitive Urban Design

Long-term

Incorporate Water Sensitive Urban Design (WSUD) principles in new developments to manage stormwater runoff and reduce localised flooding.

Est. cost: $$

Learn more

Green Infrastructure for Cooling

Near-term

Promote the planting of trees and creation of green spaces within the town to mitigate the urban heat island effect.

Est. cost: $$

Learn more

About Longwarry's Climate Risk Profile

Longwarry, a growing township in the Shire of Cardinia, Victoria, is situated in a region increasingly susceptible to the impacts of climate change. While offering a semi-rural lifestyle, its location presents specific environmental challenges that warrant careful consideration.

The suburb experiences a moderate to high risk from extreme heat events. Projections indicate a significant increase in the frequency and intensity of heatwaves, posing health risks to residents and strain on infrastructure. This is driven by overall rising average temperatures and longer periods of extreme heat, exacerbated by the surrounding landscape.

Flood risk is another significant concern for Longwarry. The area is susceptible to riverine flooding from nearby waterways, and increased rainfall intensity due to climate change is likely to exacerbate this risk. Low-lying areas and properties close to watercourses are particularly vulnerable during heavy rainfall events.

Bushfire risk is also a factor, given the proximity to semi-rural areas and natural vegetation. While not as immediate a threat as heat or flood for the core township, the surrounding landscape can contribute to fire spread, especially during prolonged dry periods. Residents in fringe areas need to be particularly vigilant.

In contrast, Longwarry is geographically distant from the coast, meaning direct impacts from sea-level rise and coastal erosion are not a significant concern. However, the broader regional climate trends still influence the local environment and community resilience.

Overall, Longwarry's climate risk profile necessitates a proactive approach to adaptation and preparedness. Understanding these risks and implementing appropriate measures can help safeguard the community and its assets against the escalating challenges of a changing climate.

Data sources: Bureau of Meteorology (BOM) · CSIRO · Country Fire Authority (CFA) · Cardinia Shire Council · Geoscience Australia · Victorian State Government

Local Government Resources

Frequently Asked Questions

What is the main flood risk for Longwarry residents?

The primary flood risk for Longwarry stems from the Tarago River, which can cause riverine flooding after intense rainfall. Low-lying areas near the river are most susceptible.

How will climate change affect heatwaves in Longwarry?

Climate change is projected to increase the frequency, intensity, and duration of heatwaves in Longwarry. This means more days above 35°C and longer periods of extreme heat.

Is Longwarry considered a high-risk bushfire area?

Longwarry is classified as a bushfire-prone area due to its proximity to rural and bushland interfaces. Residents, especially those on the outskirts, should have a bushfire survival plan.

Does Longwarry face any risks from sea-level rise?

No, Longwarry is located too far inland to be directly affected by sea-level rise or coastal erosion.

What can I do to prepare my property for climate risks in Longwarry?

For flood risk, ensure your property is not in a known flood zone and consider flood barriers if necessary. For bushfire, maintain defensible space around your home. For heat, ensure your home is well-insulated and consider shade options.

Where can I find official flood information for Longwarry?

Official flood information, including maps and warnings, can be found on the Cardinia Shire Council website and the Bureau of Meteorology (BOM) flood pages.

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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