Climate Risk Profile: East Arm, NT

East Arm, Northern Territory

Medium Risk

Updated Mar 2026

East Arm faces a moderate climate risk profile. Key concerns include increasing flood risk, heatwaves, and coastal hazards. Residents should prepare for more frequent extreme weather events.

Overall Risk Score

58/100

Medium

Confidence: Medium

Hazard Breakdown

Flood

6.5

Bushfire

4.0

Heat

7.0

Coastal

5.5

Climate Hazard Breakdown for East Arm

increasing

Flood

65/100

East Arm faces a moderate risk of flooding, primarily from heavy rainfall events and potential storm surges. The flat terrain and proximity to the coast increase vulnerability.

Key drivers:

·Increased rainfall intensity
·Sea level rise

stable

Bushfire

40/100

The risk of bushfire in East Arm is moderate due to the presence of surrounding vegetation. Dry conditions during the dry season can elevate the risk.

Key drivers:

·Dry vegetation
·High temperatures

increasing

Heat

70/100

East Arm experiences high temperatures, particularly during the wet season. Climate change is expected to increase the frequency and intensity of heatwaves, posing a risk to vulnerable populations.

Key drivers:

·Rising global temperatures
·Urban heat island effect

increasing

Coastal

55/100

East Arm is exposed to coastal risks, including sea level rise and storm surges. The low-lying coastal areas are particularly vulnerable to inundation and erosion.

Key drivers:

·Sea level rise
·Increased storm intensity

increasing

Wind

42/100

Notable wind risk — tropical cyclone winds

increasing

Storm

42/100

Notable storm risk — cyclones and monsoonal storms

stable

Social

24/100

Moderate social stability — remote communities

increasing

Energy

42/100

Elevated energy costs — year-round cooling

In-Depth Climate Risk Guides for East Arm

Should I Buy

Property buying guide with climate risk assessment

Flood Risk

Flood zone mapping, historical events, and projections

Bushfire Risk

BAL assessment, vegetation proximity, and fire history

Climate Safety

Multi-hazard safety assessment to 2050

Storm Risk

Severe weather, hail, and wind risk analysis

Heat Risk

Extreme heat days, urban heat island, and cooling costs

Insurance Costs

Premium estimates and insurance availability

Investment Score

Climate-adjusted property investment analysis

Detailed Hazard Analysis

heat Risk

70/100

East Arm experiences high temperatures, particularly during the wet season. Climate change is expected to increase the frequency and intensity of heatwaves, posing a risk to vulnerable populations.

Primary Drivers

·Rising global temperatures
·Urban heat island effect

Projections (RCP8.5)

2030

7.5

2050

8.0

Data source

flood Risk

65/100

East Arm faces a moderate risk of flooding, primarily from heavy rainfall events and potential storm surges. The flat terrain and proximity to the coast increase vulnerability.

Primary Drivers

·Increased rainfall intensity
·Sea level rise
·Storm surge

Projections (RCP8.5)

2030

7.0

2050

7.5

Data source

coastal Risk

55/100

East Arm is exposed to coastal risks, including sea level rise and storm surges. The low-lying coastal areas are particularly vulnerable to inundation and erosion.

Primary Drivers

·Sea level rise
·Increased storm intensity

Projections (RCP8.5)

2030

6.0

2050

6.5

Data source

bushfire Risk

40/100

The risk of bushfire in East Arm is moderate due to the presence of surrounding vegetation. Dry conditions during the dry season can elevate the risk.

Primary Drivers

·Dry vegetation
·High temperatures
·Wind

Projections (RCP4.5)

2030

4.2

2050

4.5

Data source

What This Means for Property Owners

Insurance Outlook

Insurance premiums may increase due to climate risks.

Price Impact

Potential for negative price impacts in the long term.

Buyer Checklist

1.Check flood history of the property
2.Assess bushfire risk
3.Consider the impact of sea level rise
4.Evaluate energy efficiency of the property

Local Climate Evidence

Flood Evidence

Nearest Waterway: Darwin Harbour
Elevation Range: 0-10 meters
Flood Zone: Coastal Flood Zone

Bushfire Evidence

Distance to Bushland: Adjacent to bushland areas
Planning Overlay: Bushfire Prone Area Overlay
Bushfire Prone Area: Yes

Heat Evidence

Avg January Max Temp: 32°C
Heat Stress Days/Year: 15 days

Coastal Evidence

Distance to Coast: 1 km
Sea Level Rise Exposure: Moderate exposure to sea level rise
Erosion Risk: Low erosion risk

Historical Climate Events

2012

floodModerate

Heavy rainfall caused localized flooding in East Arm, disrupting traffic and damaging property.

Source

2018

heatwaveModerate

A prolonged heatwave affected East Arm, with temperatures exceeding 35 degrees Celsius for several days.

Source

2023

stormMinor

A severe storm brought strong winds and heavy rainfall to East Arm, causing minor damage to property.

Source

Climate Outlook to 2050

Projections based on CSIRO and BOM climate modelling. Scenario: RCP4.5

Hazard	Today	2030	2050
flood	65	6.7(+0.2)	7.3(+0.8)
bushfire	40	4.1(+0.1)	4.3(+0.3)
heat	70	7.4(+0.4)	8.5(+1.5)
coastal	55	5.7(+0.2)	6.1(+0.6)

Under a moderate emissions scenario, East Arm is projected to experience a slight increase in overall climate risk, with heat and flood risks being the most significant contributors.

CSIRO Climate Projections

Adaptation Recommendations

Improve drainage infrastructure

Near-term

Upgrade drainage systems to reduce the risk of flooding during heavy rainfall events.

Est. cost: Medium

Learn more

Implement a heat action plan

Immediate

Develop a plan to protect vulnerable populations during heatwaves, including establishing cooling centers and providing public awareness campaigns.

Est. cost: Low

Learn more

Strengthen coastal defenses

Long-term

Construct seawalls and other coastal defenses to protect against sea level rise and storm surges.

Est. cost: High

Learn more

Promote bushfire preparedness

Near-term

Educate residents about bushfire safety and encourage them to maintain their properties to reduce the risk of fire.

Est. cost: Low

Learn more

About East Arm's Climate Risk Profile

East Arm, located in the Northern Territory, is susceptible to a range of climate-related risks. The suburb's proximity to the coast makes it vulnerable to sea level rise and storm surges, which can lead to inundation of low-lying areas. Increased rainfall intensity is also a concern, potentially exacerbating flood risks during the wet season.

Heatwaves are another significant threat, with rising temperatures posing health risks, especially for vulnerable populations. The urban environment can amplify the effects of heat, creating an urban heat island effect. Residents should take precautions to stay cool and hydrated during periods of extreme heat.

Bushfire risk is moderate, with dry vegetation providing fuel for potential fires during the dry season. It is important for residents to maintain their properties and be aware of fire safety guidelines. The Northern Territory Fire and Rescue Service provides information and resources to help residents prepare for bushfires.

Climate change projections indicate that these risks are likely to increase in the future. Sea levels are expected to continue rising, and extreme weather events are projected to become more frequent and intense. Taking proactive adaptation measures is crucial to protect the community and minimize the impacts of climate change.

Data sources: BOM · CSIRO · NT Emergency Services · City of Darwin

Local Government Resources

City of Darwin

Climate Strategy Flood Maps Emergency Services

Frequently Asked Questions

What are the main climate change risks in East Arm?

The main climate change risks in East Arm include flooding, heatwaves, and coastal hazards such as sea level rise and storm surges.

How will climate change affect property values in East Arm?

Climate change may negatively impact property values in the long term due to increased risks of flooding, heatwaves, and coastal erosion.

What can I do to prepare for heatwaves in East Arm?

To prepare for heatwaves, stay indoors during the hottest part of the day, drink plenty of water, and check on vulnerable neighbors and family members.

Where can I find information about flood risks in East Arm?

Information about flood risks in East Arm can be found on the City of Darwin website and the Northern Territory Government's emergency services website.

What is the council doing to address climate change in East Arm?

The City of Darwin is implementing a climate change strategy that includes measures to reduce greenhouse gas emissions and adapt to the impacts of climate change.