Climate Risk in Hobart, Tasmania
Hobart faces moderate risks from flooding, bushfires, heatwaves, and coastal inundation. Climate change is expected to exacerbate these risks in the future. Residents should take steps to prepare for these hazards.
Overall Risk Score
Confidence: Medium
Hazard Breakdown
Detailed Hazard Analysis
heat Risk
Hobart is experiencing an increase in the frequency and intensity of heatwaves. This poses a risk to vulnerable populations, such as the elderly and those with chronic health conditions.
Primary Drivers
- ·Global warming
- ·Urban heat island effect
Projections (RCP8.5)
2030
6.0
2050
6.5
flood Risk
Hobart faces a moderate risk of flooding due to its location near the Derwent River and surrounding waterways. Heavy rainfall events can lead to riverine and flash flooding.
Primary Drivers
- ·Increased rainfall intensity
- ·Sea level rise
- ·Urban development
Projections (RCP8.5)
2030
7.0
2050
7.5
coastal Risk
Coastal inundation and erosion are potential risks for Hobart due to sea level rise. Low-lying areas along the Derwent River are particularly vulnerable.
Primary Drivers
- ·Sea level rise
- ·Increased storm surge
Projections (RCP8.5)
2030
5.5
2050
6.0
bushfire Risk
Bushfire risk in Hobart is moderate, with some areas bordering bushland being more vulnerable. Hot, dry conditions and strong winds can increase the likelihood of bushfires.
Primary Drivers
- ·Increased frequency of heatwaves
- ·Drier vegetation
- ·Stronger winds
Projections (RCP8.5)
2030
4.5
2050
5.0
What This Means for Property Owners
Insurance Outlook
Insurance premiums may increase in areas at high risk of flooding, bushfire, or coastal inundation.
Price Impact
Properties in high-risk areas may experience a decrease in value.
Buyer Checklist
- 1.Check flood maps and bushfire-prone area overlays.
- 2.Assess the property's vulnerability to coastal inundation.
- 3.Inquire about insurance costs and coverage.
- 4.Consider the long-term climate risks when making a purchase decision.
Local Climate Evidence
Flood Evidence
- Nearest Waterway
- Derwent River
- Elevation Range
- 0-1270m
- Flood Zone
- Areas along the Derwent River and its tributaries
The City of Hobart has implemented various flood mitigation measures, including improved drainage systems and flood levees.
View council flood mapBushfire Evidence
- Distance to Bushland
- Ranges from 0m to 5km depending on location within the suburb
- Planning Overlay
- Bushfire-prone area overlays are in effect in certain parts of Hobart.
- Bushfire Prone Area
- Yes
Tasmania Fire Service provides information and resources on bushfire safety and preparedness.
Heat Evidence
- Avg January Max Temp
- 22°C
- Heat Stress Days/Year
- 2 days
Heatwaves are becoming more frequent and intense in Hobart, posing a risk to vulnerable populations.
Coastal Evidence
- Distance to Coast
- 0.5 km
- Sea Level Rise Exposure
- Low-lying areas are exposed to sea level rise.
- Erosion Risk
- Some coastal areas are at risk of erosion.
Historical Climate Events
Major flooding occurred in the Derwent Valley, impacting Hobart and surrounding areas.
SourceThe Black Tuesday bushfires caused widespread damage and loss of life across Tasmania, including areas near Hobart.
SourceA severe storm caused widespread damage across Hobart, including power outages and fallen trees.
SourceClimate Outlook to 2050
Projections based on CSIRO and BOM climate modelling. Scenario: RCP8.5
| Hazard | Today | 2030 | 2050 |
|---|---|---|---|
| flood | 6.5 | 7.0(+0.5) | 7.5(+1.0) |
| bushfire | 4.0 | 4.3(+0.3) | 4.5(+0.5) |
| heat | 5.5 | 6.2(+0.7) | 6.7(+1.2) |
| coastal | 5.0 | 5.4(+0.4) | 5.8(+0.8) |
By 2030, Hobart is projected to experience an increase in the frequency and intensity of heatwaves, as well as a higher risk of flooding and coastal inundation. Bushfire risk is also expected to increase.
CSIRO Climate ProjectionsAdaptation Recommendations
Improve flood defenses
Near-termInvest in infrastructure to protect low-lying areas from flooding, such as levees and improved drainage systems.
Est. cost: High
Learn moreStrengthen bushfire preparedness
ImmediateImplement stricter building codes in bushfire-prone areas and provide residents with resources to prepare for bushfires.
Est. cost: Medium
Learn moreDevelop a heatwave response plan
Near-termCreate a plan to protect vulnerable populations during heatwaves, including cooling centers and public awareness campaigns.
Est. cost: Low
Learn moreProtect coastal areas
Long-termImplement measures to protect coastal areas from erosion and inundation, such as seawalls and beach nourishment.
Est. cost: High
Learn moreAbout Hobart's Climate Risk Profile
Hobart, the capital city of Tasmania, is situated on the Derwent River and surrounded by hills, making it susceptible to a range of climate-related hazards. The city's proximity to the coast and waterways increases its vulnerability to flooding and coastal inundation, while nearby bushland poses a bushfire risk.
Climate change is projected to increase the frequency and intensity of extreme weather events in Hobart. This includes more frequent and intense heatwaves, heavier rainfall events, and rising sea levels. These changes will likely exacerbate the existing risks and create new challenges for the city.
Flooding is a significant concern for Hobart, particularly in low-lying areas along the Derwent River. Heavy rainfall can cause the river to overflow its banks, inundating homes and businesses. Additionally, flash flooding can occur in urban areas due to inadequate drainage.
Bushfire risk is also a concern, especially in areas bordering bushland. Hot, dry conditions and strong winds can create ideal conditions for bushfires to spread rapidly. Residents in these areas should take precautions to protect their homes and families.
Data sources: BOM · CSIRO · Tasmania Fire Service · State Emergency Service Tasmania · City of Hobart
Local Government Resources
City of Hobart
Frequently Asked Questions
What are the main climate change risks in Hobart?
Hobart faces risks from flooding, bushfires, heatwaves, and coastal inundation, all of which are expected to be exacerbated by climate change.
How is the City of Hobart preparing for climate change?
The City of Hobart is implementing various adaptation measures, including improving flood defenses, strengthening bushfire preparedness, and protecting coastal areas.
What can I do to prepare for climate change in Hobart?
You can take steps to protect your home from flooding and bushfires, develop a heatwave plan, and stay informed about the latest climate change projections.
Where can I find more information about climate change in Hobart?
You can find more information on the City of Hobart website, the Tasmania Fire Service website, and the Bureau of Meteorology website.
Are insurance premiums likely to increase due to climate change?
Yes, insurance premiums may increase in areas at high risk of flooding, bushfire, or coastal inundation.
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