Climate Risk in Katherine South, NT

Katherine South, Northern Territory· UNKNOWN
Medium Risk
Updated Mar 2026

Katherine South faces moderate risks from flooding and heatwaves, with bushfire risk also present. Climate change is expected to exacerbate these risks, particularly in relation to flooding and heat.

Overall Risk Score

5.2/10
Medium

Confidence: Medium

Hazard Breakdown

Flood
6.5
Bushfire
4.0
Heat
7.0
Coastal
1.0

Detailed Hazard Analysis

heat Risk

7.0/10

Katherine South experiences high temperatures, especially during the summer months. Heatwaves can pose a significant risk to vulnerable populations.

Primary Drivers

  • ·Climate change
  • ·Urban heat island effect

Projections (RCP8.5)

2030

7.5

2050

8.0

Data source

flood Risk

6.5/10

Katherine South faces a moderate risk of flooding due to its proximity to the Katherine River and low-lying areas. Intense rainfall events can lead to riverine and flash flooding.

Primary Drivers

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

Projections (RCP8.5)

2030

7.0

2050

7.5

Data source

coastal Risk

1.0/10

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

Primary Drivers

  • ·N/A

Projections (RCP8.5)

2030

1.0

2050

1.0

Data source

bushfire Risk

4.0/10

The risk of bushfire in Katherine South is moderate, particularly during the dry season. Grasslands and nearby bushland increase the potential for fire spread.

Primary Drivers

  • ·Dry vegetation
  • ·High temperatures
  • ·Lightning strikes

Projections (RCP8.5)

2030

4.2

2050

4.5

Data source

What This Means for Property Owners

Insurance Outlook

Insurance premiums may be affected by flood risk.

Price Impact

Properties in flood-prone areas may experience price impacts.

Buyer Checklist

  • 1.Check flood maps and historical flood data.
  • 2.Assess property's vulnerability to heat.
  • 3.Consider bushfire risk mitigation measures.

Local Climate Evidence

Flood Evidence

Nearest Waterway
Katherine River
Elevation Range
Varies, generally low-lying
Flood Zone
Areas near the Katherine River are prone to flooding

Historical flood data indicates that properties close to the river are at higher risk.

View council flood map

Bushfire Evidence

Distance to Bushland
Adjacent to grasslands and bushland
Planning Overlay
Check with NT Fire and Rescue Service
Bushfire Prone Area
Yes

Areas with significant vegetation are more susceptible to bushfire risk.

Heat Evidence

Avg January Max Temp
37°C
Heat Stress Days/Year
5 days

High humidity can exacerbate the effects of extreme heat.

Coastal Evidence

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

Historical Climate Events

1998
floodMajor

The Katherine River experienced a major flood event, causing widespread damage.

Source
2006
floodModerate

Moderate flooding occurred along the Katherine River after heavy rainfall.

Source
2019
heatwaveModerate

Katherine experienced a prolonged heatwave with record-breaking temperatures.

Source
2023
floodMinor

Minor flooding impacted low-lying areas near the Katherine River.

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)
bushfire4.04.2(+0.2)4.4(+0.4)
heat7.07.8(+0.8)8.5(+1.5)
coastal1.01.01.0

By 2030, Katherine South is projected to experience increased flooding and heatwave risks under a high emissions scenario. Rainfall intensity is expected to increase, leading to more frequent and severe flooding events. Average temperatures will also rise, exacerbating heat stress.

CSIRO Climate Projections

Adaptation Recommendations

Improve Flood Defenses

Near-term

Invest in flood mitigation infrastructure, such as levees and improved drainage systems, to protect properties from flooding.

Est. cost: High

Learn more

Enhance Heatwave Preparedness

Immediate

Develop and implement heatwave action plans, including public awareness campaigns and cooling centers, to protect vulnerable populations.

Est. cost: Medium

Learn more

Strengthen Bushfire Management

Near-term

Implement bushfire risk reduction measures, such as controlled burns and vegetation management, to reduce the risk of bushfires.

Est. cost: Medium

Learn more

Upgrade Building Codes

Long-term

Update building codes to incorporate climate resilience measures, such as flood-resistant construction and energy-efficient design.

Est. cost: High

Learn more

About Katherine South's Climate Risk Profile

Katherine South, located in the Northern Territory, is subject to a range of climate-related risks. The primary concerns are flooding due to its proximity to the Katherine River, and extreme heat during the summer months. Bushfire risk is also a factor, particularly during the dry season.

Flooding events can occur due to intense rainfall, leading to riverine and flash flooding. Climate change is projected to increase the intensity of rainfall events, potentially increasing the frequency and severity of flooding in the region. The Katherine River's behavior is a key factor in understanding flood risk.

Extreme heat is another significant concern, with Katherine South experiencing high temperatures and heatwaves. These conditions can pose health risks, especially for vulnerable populations such as the elderly and those with pre-existing health conditions. Climate change is expected to further increase average temperatures and the frequency of heatwaves.

Bushfire risk is present due to the surrounding grasslands and bushland. Dry conditions and high temperatures during the dry season can create conditions conducive to bushfires. While not as prominent as flood and heat risk, it remains a factor to consider.

Coastal risks are minimal due to Katherine South's inland location. Sea level rise and coastal erosion are not direct threats to the suburb.

Data sources: BOM · CSIRO · NT Fire and Rescue Service · Katherine Town Council

Local Government Resources

Frequently Asked Questions

What are the main climate risks in Katherine South?

The main climate risks in Katherine South are flooding, extreme heat, and bushfires. Flooding is a concern due to the proximity of the Katherine River, while extreme heat is a risk during the summer months. Bushfires can also pose a threat during the dry season.

How is climate change expected to impact Katherine South?

Climate change is projected to increase the frequency and severity of flooding events, as well as increase average temperatures and the frequency of heatwaves. This could lead to increased health risks and damage to property and infrastructure.

What can I do to protect my property from flooding?

There are several measures you can take to protect your property from flooding, such as installing flood barriers, raising electrical systems, and improving drainage. Check the Katherine Town Council website for more information.

How can I prepare for a heatwave?

To prepare for a heatwave, stay hydrated, avoid strenuous activity during the hottest part of the day, and seek out air-conditioned environments. Check on vulnerable neighbors and family members.

Where can I find information about bushfire risks in Katherine South?

Information about bushfire risks can be found on the NT Fire and Rescue Service website. You can also contact the Katherine Town Council for local information and advice.

Is Katherine South likely to become uninhabitable due to climate change?

While Katherine South faces significant climate challenges, it is unlikely to become completely uninhabitable. Adaptation measures and community resilience efforts can help mitigate the worst impacts of climate change.

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