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Climate Risk Profile: Deagon, QLD

Deagon, Queensland· Brisbane City· 4017
Medium Risk
Updated Mar 2026

Deagon is a suburb in Queensland that faces moderate risks from flooding, heatwaves, and coastal hazards. Climate change is expected to exacerbate these risks, particularly in the coming decades. Residents should take steps to prepare for these potential impacts.

Overall Risk Score

5.2/10
Medium

Confidence: Medium

Hazard Breakdown

Flood
6.5
Bushfire
3.0
Heat
6.0
Coastal
5.3

Detailed Hazard Analysis

heat Risk

6.0/10

Deagon experiences a moderate risk of heatwaves, particularly during the summer months. Climate change is projected to increase the frequency and intensity of heatwaves, posing a risk to vulnerable populations.

Primary Drivers

  • ·Rising temperatures
  • ·Urban heat island effect
  • ·Climate change

Projections (RCP8.5)

2030

6.5

2050

7.0

Data source

flood Risk

6.5/10

Deagon faces a moderate risk of flooding due to its low-lying areas and proximity to waterways. Climate change is expected to increase rainfall intensity, exacerbating flood risk.

Primary Drivers

  • ·Increased rainfall intensity
  • ·Sea level rise
  • ·Urban development

Projections (RCP8.5)

2030

7.0

2050

7.5

Data source

coastal Risk

5.3/10

Deagon faces a moderate risk from coastal hazards due to its proximity to Moreton Bay. Sea level rise and storm surges could lead to inundation and erosion.

Primary Drivers

  • ·Sea level rise
  • ·Storm surges
  • ·Coastal erosion

Projections (RCP8.5)

2030

5.8

2050

6.3

Data source

bushfire Risk

3.0/10

The bushfire risk in Deagon is relatively low due to the suburb's urban development and limited vegetation. However, nearby bushland areas pose a potential threat during dry periods.

Primary Drivers

  • ·Proximity to bushland
  • ·Dry vegetation
  • ·Wind patterns

Projections (RCP8.5)

2030

3.2

2050

3.5

Data source

What This Means for Property Owners

Insurance Outlook

Insurance premiums may increase due to the rising risk of flooding and coastal hazards.

Price Impact

Properties in flood-prone areas may experience a decrease in value.

Buyer Checklist

  • 1.Check flood maps and historical flood data.
  • 2.Assess the property's elevation and drainage.
  • 3.Inquire about insurance costs and coverage.
  • 4.Consider the potential impact of sea level rise.

Local Climate Evidence

Flood Evidence

Nearest Waterway
Moreton Bay
Elevation Range
0-10 meters
Flood Zone
Medium

Deagon is located near several creeks and waterways that contribute to the flood risk. Historical flood events have impacted properties in the area.

View council flood map

Bushfire Evidence

Distance to Bushland
2 km to Nudgee Beach Environmental Park
Planning Overlay
QFES Bushfire Prone Area Map
Bushfire Prone Area
Yes

While not heavily vegetated, the proximity to Nudgee Beach Environmental Park increases the potential for bushfire risk under certain conditions.

Heat Evidence

Avg January Max Temp
30.5°C
Heat Stress Days/Year
3 days

The average maximum temperature in January is increasing, leading to more frequent heat stress events. Vulnerable populations are at higher risk during these events.

Coastal Evidence

Distance to Coast
0.5 km
Sea Level Rise Exposure
Low-lying areas are susceptible to sea level rise.
Erosion Risk
Moderate erosion risk along the coastline.

Historical Climate Events

2011
floodModerate

The 2011 Brisbane floods caused significant inundation in low-lying areas of Deagon.

Source
2013
stormMinor

A severe thunderstorm caused localized flooding and damage to property in Deagon.

Source
2020
heatwaveModerate

A prolonged heatwave in January 2020 resulted in increased hospital admissions and heat stress among vulnerable populations in Deagon.

Source
2022
floodModerate

Major flooding event impacted Deagon, causing property damage and road closures.

Source

Climate Outlook to 2050

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

HazardToday20302050
flood6.57.0(+0.5)7.5(+1.0)
bushfire3.03.2(+0.2)3.5(+0.5)
heat6.06.5(+0.5)7.0(+1.0)
coastal5.35.6(+0.3)6.1(+0.8)

By 2030, Deagon is projected to experience an increase in flood risk due to more intense rainfall events. Heatwave frequency and intensity are also expected to rise, posing a greater threat to vulnerable populations. Coastal hazards will become more pronounced due to sea level rise.

CSIRO Climate Projections

Adaptation Recommendations

Improve Drainage Infrastructure

Near-term

Upgrade drainage systems to handle increased rainfall intensity and reduce the risk of flooding.

Est. cost: High

Learn more

Implement Heatwave Early Warning System

Immediate

Develop and implement a heatwave early warning system to alert residents of impending heatwaves and provide guidance on how to stay safe.

Est. cost: Medium

Learn more

Protect Coastal Areas

Long-term

Implement coastal protection measures, such as seawalls and beach nourishment, to mitigate the impacts of sea level rise and storm surges.

Est. cost: Very High

Learn more

Community Education Programs

Near-term

Educate residents about climate change risks and adaptation measures through community workshops and outreach programs.

Est. cost: Low

Learn more

About Deagon's Climate Risk Profile

Deagon, located in Queensland, is a suburb that is exposed to a range of climate-related risks. The most significant of these is flooding, due to the suburb's low-lying areas and proximity to waterways. Climate change is projected to increase rainfall intensity, leading to more frequent and severe flooding events.

Heatwaves also pose a considerable risk to Deagon, particularly during the summer months. As temperatures rise due to climate change, the frequency and intensity of heatwaves are expected to increase, potentially impacting the health of vulnerable residents. The urban heat island effect may further exacerbate this risk.

Coastal hazards, such as sea level rise and storm surges, also present a threat to Deagon. The suburb's proximity to Moreton Bay makes it vulnerable to inundation and erosion, which could damage property and infrastructure.

While the risk of bushfires is relatively low in Deagon, it is still important to be aware of the potential threat, especially during dry periods. Nearby bushland areas could pose a risk if not properly managed.

To mitigate these risks, residents and local authorities should take proactive measures, such as improving drainage infrastructure, implementing heatwave early warning systems, and protecting coastal areas. By working together, it is possible to build a more resilient community in Deagon.

Data sources: BOM · CSIRO · QFES · Brisbane City Council

Local Government Resources

Brisbane City Council

Climate StrategyFlood MapsEmergency Services

Frequently Asked Questions

What are the main climate change risks in Deagon?

Deagon faces risks from flooding, heatwaves, and coastal hazards due to climate change. These risks are expected to increase in the coming decades.

How will climate change affect property values in Deagon?

Properties in flood-prone areas may experience a decrease in value due to the increased risk of flooding. Coastal properties may also be affected by sea level rise.

What can I do to prepare for heatwaves in Deagon?

Stay indoors during the hottest part of the day, drink plenty of water, and check on vulnerable neighbors. Consider installing air conditioning or fans.

What is the council doing to address climate change in Deagon?

The Brisbane City Council is implementing various strategies to address climate change, including improving drainage infrastructure, protecting coastal areas, and promoting sustainable development.

Where can I find more information about flood risks in Deagon?

You can find flood maps and historical flood data on the Brisbane City Council website. You can also contact the council directly for more information.

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