Climate Risk in Glenorchy, Tasmania
Glenorchy faces moderate risks from flooding, bushfires, heatwaves, and coastal hazards. Climate change is expected to exacerbate these risks, particularly flooding and heatwaves. Residents should prepare for more frequent extreme weather events.
Overall Risk Score
Confidence: Medium
Hazard Breakdown
Detailed Hazard Analysis
heat Risk
Glenorchy is likely to experience more frequent and intense heatwaves. This poses a risk to vulnerable populations.
Primary Drivers
- ·Increased greenhouse gas emissions
- ·Urban heat island effect
Projections (RCP8.5)
2030
5.5
2050
6.0
flood Risk
Glenorchy faces a moderate risk of flooding due to its proximity to the Derwent River and local creeks. Increased rainfall intensity could exacerbate this risk.
Primary Drivers
- ·Increased rainfall intensity
- ·Urban development
- ·Sea level rise
Projections (RCP8.5)
2030
7.0
2050
7.5
coastal Risk
Glenorchy faces a moderate risk from coastal hazards due to its location on the Derwent River estuary. Sea level rise and storm surges could increase erosion and inundation.
Primary Drivers
- ·Sea level rise
- ·Storm surge
- ·Erosion
Projections (RCP8.5)
2030
5.8
2050
6.3
bushfire Risk
Bushfire risk in Glenorchy is moderate, with some areas bordering bushland. Drier conditions and increased temperatures could elevate this risk.
Primary Drivers
- ·Increased temperatures
- ·Drier conditions
- ·Vegetation dryness
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 or bushfire.
Price Impact
Properties in high-risk areas may experience a decrease in value.
Buyer Checklist
- 1.Check flood maps and bushfire-prone area designations.
- 2.Assess the property's vulnerability to heatwaves.
- 3.Inquire about past flood or bushfire events.
- 4.Review insurance options and premiums.
Local Climate Evidence
Flood Evidence
- Nearest Waterway
- Derwent River
- Elevation Range
- 5-50 meters
- Flood Zone
- Areas near the Derwent River and local creeks are prone to flooding.
Historical flood events have impacted properties along the Derwent River.
View council flood mapBushfire Evidence
- Distance to Bushland
- Some properties border bushland reserves.
- Planning Overlay
- Bushfire-prone areas are designated by the Tasmania Fire Service.
- Bushfire Prone Area
- Yes
Residents in bushfire-prone areas should maintain firebreaks and have a bushfire survival plan.
Heat Evidence
- Avg January Max Temp
- 22.5°C
- Heat Stress Days/Year
- 2 days
Elderly residents are particularly vulnerable during heatwaves.
Coastal Evidence
- Distance to Coast
- 0.5 km
- Sea Level Rise Exposure
- Low-lying areas near the Derwent River are exposed to sea level rise.
- Erosion Risk
- Some areas along the riverbank are at risk of erosion.
Historical Climate Events
The 1967 Tasmanian bushfires caused widespread damage and loss of life across the state, including areas near Glenorchy.
SourceHeavy rainfall caused flooding in Glenorchy, impacting some residential and commercial properties.
SourceTasmania experienced a prolonged heatwave, with record-breaking temperatures recorded in Hobart and surrounding areas, including Glenorchy.
SourceLocalized flooding occurred in Glenorchy due to heavy rainfall, affecting some roads and properties.
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 | 5.0 | 5.7(+0.7) | 6.2(+1.2) |
| coastal | 5.3 | 5.5(+0.2) | 5.7(+0.4) |
By 2030, Glenorchy is projected to experience a moderate increase in overall climate risk, with the most significant increases in heatwave frequency and intensity. Flood risk is also expected to increase due to more intense rainfall events.
CSIRO Climate ProjectionsAdaptation Recommendations
Improve stormwater drainage
Near-termUpgrade stormwater drainage infrastructure to handle increased rainfall intensity and reduce flood risk.
Est. cost: Medium
Learn moreDevelop a heatwave management plan
ImmediateImplement a heatwave management plan to protect vulnerable populations during extreme heat events.
Est. cost: Low
Learn moreStrengthen building codes
Long-termUpdate building codes to ensure new buildings are more resilient to climate change impacts, such as flooding and bushfires.
Est. cost: Medium
Learn moreIncrease community awareness
Near-termRaise community awareness about climate change risks and adaptation measures through public education campaigns.
Est. cost: Low
Learn moreProtect and restore coastal ecosystems
Long-termProtect and restore coastal ecosystems, such as mangroves and saltmarshes, to provide natural protection against sea level rise and storm surges.
Est. cost: Medium
Learn moreAbout Glenorchy's Climate Risk Profile
Glenorchy, located on the western shore of the Derwent River, is susceptible to a range of climate-related hazards. The suburb's proximity to the river and surrounding bushland increases its vulnerability to flooding and bushfires. Climate change is projected to intensify these risks, with more frequent and intense rainfall events leading to increased flood risk, and drier conditions elevating the threat of bushfires.
Heatwaves are also expected to become more common and severe in Glenorchy, posing a significant risk to vulnerable populations, such as the elderly and those with pre-existing health conditions. The urban environment can exacerbate the effects of heatwaves, creating urban heat islands.
Coastal hazards, including sea level rise and storm surges, also pose a threat to Glenorchy, particularly in low-lying areas along the Derwent River. These hazards can lead to erosion, inundation, and damage to infrastructure.
Addressing these climate risks requires a multi-faceted approach, including reducing greenhouse gas emissions, implementing adaptation measures, and increasing community awareness and preparedness. Residents should take steps to protect their homes and families from the impacts of climate change.
Data sources: BOM · CSIRO · Tasmania Fire Service · State Emergency Service Tasmania · Glenorchy City Council
Local Government Resources
Glenorchy City Council
Frequently Asked Questions
What are the main climate change risks in Glenorchy?
Glenorchy faces risks from flooding, bushfires, heatwaves, and coastal hazards. Climate change is expected to increase the frequency and intensity of these events.
How will climate change affect property values in Glenorchy?
Properties in high-risk areas may experience a decrease in value due to increased insurance premiums and potential damage from extreme weather events.
What can I do to protect my home from flooding?
Consider installing flood barriers, elevating appliances, and improving drainage around your property. Check your insurance policy for flood coverage.
How can I prepare for a heatwave in Glenorchy?
Stay indoors during the hottest part of the day, drink plenty of water, and check on vulnerable neighbors. Consider installing air conditioning or visiting a cooling center.
Where can I find information about bushfire risks in Glenorchy?
The Tasmania Fire Service provides information about bushfire-prone areas and bushfire safety tips. Visit their website or contact your local fire station.
What is the council doing to address climate change?
The Glenorchy City Council is developing and implementing climate change adaptation strategies, including improving stormwater drainage and promoting energy efficiency.
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