Climate Risk Assessment for Goomalling, Western Australia

Goomalling, Western Australia
Medium Risk
Updated Mar 2026

Goomalling faces moderate risks from flooding, bushfires, and heatwaves, which are expected to increase with climate change. While coastal risks are minimal, residents should prepare for more frequent and intense extreme weather events.

Overall Risk Score

52/100
Medium

Confidence: Medium

Hazard Breakdown

Flood
4.0
Bushfire
6.0
Heat
5.0
Coastal
1.0

Climate Hazard Breakdown for Goomalling

increasing

Flood

40/100

Goomalling faces a moderate risk of flooding, primarily from heavy rainfall events that can overwhelm local drainage systems and cause riverine flooding along Mortlock River. The risk is expected to increase with climate change.

Key drivers:

  • ·Increased rainfall intensity
  • ·Changes in river flow patterns
increasing

Bushfire

60/100

Goomalling is located in a region with a high bushfire risk due to dry vegetation and hot, dry summers. The risk is projected to increase with rising temperatures and prolonged drought conditions.

Key drivers:

  • ·Increased temperatures
  • ·Prolonged drought conditions
increasing

Heat

50/100

Goomalling experiences high temperatures during summer, with the risk of heatwaves increasing due to climate change. This poses a threat to vulnerable populations and infrastructure.

Key drivers:

  • ·Rising average temperatures
  • ·More frequent and intense heatwaves
stable

Coastal

10/100

Goomalling is located inland and does not face a direct risk from coastal hazards such as sea-level rise or coastal erosion.

stable

Wind

32/100

Moderate wind risk — winter storms

stable

Storm

28/100

Moderate storm risk — occasional severe thunderstorms

stable

Social

21/100

Moderate social stability

increasing

Energy

39/100

Moderate energy costs — cooling demand in summer

In-Depth Climate Risk Guides for Goomalling

Detailed Hazard Analysis

heat Risk

50/100

Goomalling experiences high temperatures during summer, with the risk of heatwaves increasing due to climate change. This poses a threat to vulnerable populations and infrastructure.

Primary Drivers

  • ·Rising average temperatures
  • ·More frequent and intense heatwaves
  • ·Urban heat island effect

Projections (RCP8.5)

2030

5.5

2050

6.5

Data source

flood Risk

40/100

Goomalling faces a moderate risk of flooding, primarily from heavy rainfall events that can overwhelm local drainage systems and cause riverine flooding along Mortlock River. The risk is expected to increase with climate change.

Primary Drivers

  • ·Increased rainfall intensity
  • ·Changes in river flow patterns
  • ·Urban development reducing permeable surfaces

Projections (RCP8.5)

2030

4.5

2050

5.5

Data source

coastal Risk

10/100

Goomalling is located inland and does not face a direct risk from coastal hazards such as sea-level rise or coastal erosion.

Projections (RCP8.5)

2030

1.0

2050

1.0

Data source

bushfire Risk

60/100

Goomalling is located in a region with a high bushfire risk due to dry vegetation and hot, dry summers. The risk is projected to increase with rising temperatures and prolonged drought conditions.

Primary Drivers

  • ·Increased temperatures
  • ·Prolonged drought conditions
  • ·Accumulation of dry vegetation

Projections (RCP8.5)

2030

6.5

2050

7.5

Data source

What This Means for Property Owners

Insurance Outlook

Insurance premiums may increase due to the rising risks of flooding and bushfires.

Price Impact

Properties in high-risk areas may experience a decrease in value due to climate change impacts.

Buyer Checklist

  • 1.Check flood maps and bushfire prone area designations.
  • 2.Assess the property's vulnerability to heatwaves.
  • 3.Inquire about insurance costs and coverage.
  • 4.Develop a bushfire survival plan.

Local Climate Evidence

Flood Evidence

Nearest Waterway
Mortlock River
Elevation Range
250-300m
Flood Zone
Areas near Mortlock River are susceptible to flooding.

Historical flood events have impacted low-lying areas near the river. Improved drainage infrastructure is needed to mitigate future flood risks.

Bushfire Evidence

Distance to Bushland
Surrounded by bushland
Planning Overlay
Goomalling is within a designated bushfire prone area.
Bushfire Prone Area
Yes

Residents should maintain firebreaks and have a bushfire survival plan. The local fire brigade provides information and support for bushfire preparedness.

Heat Evidence

Avg January Max Temp
35°C
Heat Stress Days/Year
5 days

Heatwaves are becoming more frequent and intense, posing a risk to vulnerable populations. Public cooling centers may be needed during extreme heat events.

Coastal Evidence

Distance to Coast
150 km
Sea Level Rise Exposure
Not applicable
Erosion Risk
Not applicable

Historical Climate Events

2010
floodModerate

Heavy rainfall caused flooding in low-lying areas near the Mortlock River, impacting some properties.

Source
2012
heatwaveModerate

A prolonged heatwave resulted in heat stress and health concerns for vulnerable populations.

Source
2015
bushfireModerate

A bushfire near Goomalling threatened properties and required emergency response efforts.

Source
2019
heatwaveMajor

Record-breaking temperatures during a heatwave caused widespread heat stress and infrastructure damage.

Source

Climate Outlook to 2050

Projections based on CSIRO and BOM climate modelling. Scenario: RCP8.5

HazardToday20302050
flood404.5(+0.5)5.0(+1.0)
bushfire606.5(+0.5)7.0(+1.0)
heat505.5(+0.5)6.0(+1.0)
coastal101.01.0

By 2030, Goomalling is projected to experience a moderate increase in overall climate risk, with higher risks from flooding, bushfires, and heatwaves. Adaptation measures are needed to reduce vulnerability.

CSIRO Climate Projections

Adaptation Recommendations

Improve Drainage Infrastructure

Near-term

Upgrade drainage systems to handle increased rainfall intensity and reduce flood risks.

Est. cost: Medium

Implement Bushfire Management Strategies

Immediate

Reduce fuel loads around properties and implement community bushfire preparedness programs.

Est. cost: Low

Learn more

Develop Heatwave Response Plan

Near-term

Establish public cooling centers and provide support for vulnerable populations during heatwaves.

Est. cost: Low

Promote Water Conservation

Long-term

Encourage water-wise gardening and implement water restrictions during dry periods.

Est. cost: Low

About Goomalling's Climate Risk Profile

Goomalling, located in the Wheatbelt region of Western Australia, is increasingly vulnerable to the impacts of climate change. The primary risks include flooding from intense rainfall events, bushfires due to dry vegetation and hot summers, and heatwaves that can strain infrastructure and public health.

Flooding is a concern due to the Mortlock River and local drainage systems, which can be overwhelmed during heavy rainfall. Climate change is expected to increase the intensity of rainfall events, exacerbating flood risks. Residents should be aware of flood warnings and take necessary precautions.

Bushfire risk is high due to the surrounding dry vegetation and hot, dry summers. Climate change is projected to increase temperatures and prolong drought conditions, further increasing the risk of bushfires. Property owners should maintain their properties to reduce fuel loads and have a bushfire survival plan.

Heatwaves are becoming more frequent and intense, posing a threat to vulnerable populations such as the elderly and those with chronic health conditions. Residents should stay hydrated, seek air-conditioned environments during heatwaves, and check on neighbors.

While Goomalling is not directly exposed to coastal hazards, the broader impacts of climate change, such as disruptions to agriculture and supply chains, can affect the community. Adaptation measures are needed to build resilience and protect the community from the impacts of climate change.

Data sources: BOM · CSIRO · DFES

Local Government Resources

Frequently Asked Questions

What are the main climate change risks in Goomalling?

The main climate change risks in Goomalling are flooding, bushfires, and heatwaves, which are expected to become more frequent and intense.

How can I prepare my property for bushfires?

You can prepare your property for bushfires by reducing fuel loads, maintaining firebreaks, and having a bushfire survival plan.

What should I do during a heatwave?

During a heatwave, you should stay hydrated, seek air-conditioned environments, and check on vulnerable neighbors.

Where can I find information about flood risks in Goomalling?

Information about flood risks in Goomalling can be found on the Bureau of Meteorology website and potentially from the local council, if available.

Is Goomalling likely to experience water shortages in the future?

Due to increasing temperatures and prolonged drought conditions, Goomalling may experience water shortages in the future. Water conservation measures are important.

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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