Climate Risk in Arana Hills, QLD

Arana Hills, Queensland· Moreton Bay· 4054
Medium Risk
Updated Apr 2026

Arana Hills faces moderate risks from flooding, bushfires, and heatwaves. Climate change is expected to exacerbate these risks in the future. Residents should prepare for more frequent and intense extreme weather events.

Overall Risk Score

52/100
Medium

Confidence: Medium

Hazard Breakdown

Flood
6.5
Bushfire
4.0
Heat
5.0
Coastal
1.0

Climate Hazard Breakdown for Arana Hills

increasing

Flood

65/100

Arana Hills has a moderate risk of flooding due to its proximity to waterways and local topography. Heavy rainfall events can lead to flash flooding.

Key drivers:

  • ·Increased rainfall intensity
  • ·Urban development
stable

Bushfire

40/100

Arana Hills faces a moderate bushfire risk due to surrounding bushland. Hot, dry conditions and strong winds can increase the likelihood of bushfires.

Key drivers:

  • ·Dry vegetation
  • ·High temperatures
increasing

Heat

50/100

Arana Hills is experiencing increasing average temperatures and more frequent heatwaves, posing a risk to vulnerable populations.

Key drivers:

  • ·Climate change
  • ·Urban heat island effect
stable

Coastal

10/100

Arana Hills is not directly exposed to coastal risks due to its inland location.

Key drivers:

  • ·Inland location
increasing

Wind

35/100

Notable wind risk — tropical cyclone wind fields

increasing

Storm

39/100

Notable storm risk — cyclones and thunderstorms

stable

Social

24/100

Moderate social stability — growth regions

increasing

Energy

42/100

Elevated energy costs — high cooling demand

In-Depth Climate Risk Guides for Arana Hills

Detailed Hazard Analysis

heat Risk

50/100

Arana Hills is experiencing increasing average temperatures and more frequent heatwaves, posing a risk to vulnerable populations.

Primary Drivers

  • ·Climate change
  • ·Urban heat island effect

Projections (RCP8.5)

2030

5.5

2050

6.0

Data source

flood Risk

65/100

Arana Hills has a moderate risk of flooding due to its proximity to waterways and local topography. Heavy rainfall events can lead to flash flooding.

Primary Drivers

  • ·Increased rainfall intensity
  • ·Urban development
  • ·Climate change

Projections (RCP8.5)

2030

7.0

2050

7.5

Data source

coastal Risk

10/100

Arana Hills is not directly exposed to coastal risks due to its inland location.

Primary Drivers

  • ·Inland location

Projections (N/A)

2030

1.0

2050

1.0

Data source

bushfire Risk

40/100

Arana Hills faces a moderate bushfire risk due to surrounding bushland. Hot, dry conditions and strong winds can increase the likelihood of bushfires.

Primary Drivers

  • ·Dry vegetation
  • ·High temperatures
  • ·Wind

Projections (RCP8.5)

2030

4.2

2050

4.5

Data source

What This Means for Property Owners

Insurance Outlook

Premiums may increase due to flood and bushfire risk.

Price Impact

Properties in flood-prone areas may experience price stagnation or decline.

Buyer Checklist

  • 1.Check flood maps and insurance costs.
  • 2.Assess bushfire risk and property maintenance requirements.
  • 3.Consider energy efficiency measures to mitigate heat.

Local Climate Evidence

Flood Evidence

Nearest Waterway
Kedron Brook
Elevation Range
50-150m
Flood Zone
Medium

Some areas near Kedron Brook are prone to flash flooding during heavy rainfall events.

View council flood map

Bushfire Evidence

Distance to Bushland
Adjacent
Planning Overlay
QFES Bushfire Prone Area Map
Bushfire Prone Area
Yes

Properties bordering bushland are at higher risk.

Heat Evidence

Avg January Max Temp
31°C
Heat Stress Days/Year
3 days

Heatwaves are becoming more frequent and intense.

Coastal Evidence

Distance to Coast
25 km
Sea Level Rise Exposure
Low
Erosion Risk
Low

Historical Climate Events

2011
floodMajor

The 2011 Brisbane floods caused significant inundation in low-lying areas of the Moreton Bay region, impacting Arana Hills.

Source
2009
heatwaveModerate

A prolonged heatwave in early 2009 resulted in increased hospital admissions and strain on infrastructure.

Source
2020
stormModerate

Severe thunderstorms caused flash flooding and property damage in parts of Arana Hills.

Source

Climate Outlook to 2050

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

HazardToday20302050
flood657.0(+0.5)7.5(+1.0)
bushfire404.2(+0.2)4.5(+0.5)
heat505.8(+0.8)6.5(+1.5)
coastal101.01.0

By 2030, Arana Hills is projected to experience a notable increase in heatwave frequency and intensity, along with a moderate increase in flood risk due to more intense rainfall events. Bushfire risk will also slightly increase.

CSIRO Climate Projections

Adaptation Recommendations

Improve stormwater drainage

Near-term

Upgrade stormwater infrastructure to handle increased rainfall intensity and reduce flood risk.

Est. cost: High

Learn more

Bushfire hazard reduction

Immediate

Implement regular bushfire hazard reduction burns and maintain vegetation around properties.

Est. cost: Medium

Learn more

Heatwave preparedness plan

Near-term

Develop a community heatwave preparedness plan to protect vulnerable residents during extreme heat events.

Est. cost: Low

Learn more

Promote water conservation

Long-term

Encourage water conservation measures to reduce strain on water resources during droughts and heatwaves.

Est. cost: Low

Learn more

About Arana Hills's Climate Risk Profile

Arana Hills, located in the Moreton Bay region of Queensland, is susceptible to several climate-related risks. The suburb's proximity to waterways increases its vulnerability to flooding during periods of heavy rainfall. Climate change is projected to increase the intensity and frequency of these rainfall events, potentially leading to more severe flooding in the future.

Bushfire risk is also a concern for Arana Hills, given the presence of surrounding bushland. Hot, dry conditions, coupled with strong winds, can create ideal conditions for bushfires to spread rapidly. Residents should maintain their properties to reduce fuel loads and be prepared to evacuate if necessary.

Rising average temperatures and more frequent heatwaves pose a significant threat to the health and well-being of Arana Hills residents, particularly the elderly and those with pre-existing medical conditions. Urban development can exacerbate the urban heat island effect, further increasing temperatures in built-up areas.

While Arana Hills is not directly exposed to coastal hazards, the broader Moreton Bay region is vulnerable to sea level rise and coastal erosion. These impacts could indirectly affect Arana Hills through disruptions to infrastructure and supply chains.

Data sources: BOM · CSIRO · QFES · Moreton Bay Regional Council

Local Government Resources

Frequently Asked Questions

What are the main climate risks facing Arana Hills?

Arana Hills is primarily at risk from flooding, bushfires, and heatwaves. Climate change is expected to increase the frequency and intensity of these events.

How can I prepare my property for flooding?

You can prepare your property by clearing gutters and downpipes, raising electrical appliances, and having an evacuation plan in place.

What should I do during a heatwave?

During a heatwave, stay indoors in air-conditioned environments, drink plenty of water, and avoid strenuous activity. Check on vulnerable neighbors and family members.

Where can I find information about bushfire risks in Arana Hills?

You can find information about bushfire risks on the Queensland Fire and Emergency Services (QFES) website and the Moreton Bay Regional Council website.

How is the Moreton Bay Regional Council addressing climate change?

The Moreton Bay Regional Council is developing and implementing climate change adaptation and mitigation strategies. Check their website for details.

Get your property's risk report

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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