📮 South Arm postcode: 7022

Storm Risk in South Arm, TAS: 2026 Assessment

South Arm, Tasmania· Clarence· 7022
Moderate storm risk — westerly wind storms and occasional severe weatherUpdated 1 Apr 2026

Storm Risk Score

2.8/10

Moderate storm risk — westerly wind storms and occasional severe weather

Key Facts

Storm Risk
Moderate storm risk — westerly wind storms and occasional severe weather
Trend
stable
Suburb
South Arm, TAS
Overall Risk
Medium
Postcode
7022
Highest high-risk exposure
14.2% of land (surface flood)

Storm Risk Analysis

South Arm, Tasmania, has a moderate storm risk profile. This includes exposure to severe thunderstorms, hail, damaging winds, and — in tropical regions — cyclone impacts. The applicable wind region classification under AS/NZS 1170.2 influences building design standards for South Arm.

Severe thunderstorms affecting South Arm can produce damaging wind gusts, large hail, and intense rainfall. The Bureau of Meteorology issues severe weather warnings for Tasmania, and historical storm data helps characterise the frequency and intensity of events in the region.

CSIRO research indicates that the intensity of severe convective storms — including those producing hail and damaging winds — may increase in a warming climate. For South Arm property owners, this reinforces the value of storm-resistant building features and comprehensive insurance.

ClimateNest provides address-level storm risk reports for South Arm including wind zone classification, hail risk probability, and property-specific mitigation recommendations based on your building characteristics.

South Arm sits within ClimateNest's suburb-level hazard model for severe storm risk. 0% of the suburb's land area is mapped in high-risk severe storm zones and 85.1% in moderate-risk zones, based on the national hazard overlay. Exposure at this scale varies street by street, which is why an address-level check matters before you buy or insure a specific property in South Arm.

South Arm (postcode 7022) is tracked in ClimateNest's suburb hazard model, which maps the share of the suburb's land exposed to each hazard at high and moderate levels. The suburb's highest high-risk exposures are surface flood (14.2% of land in high-risk zones), riverine flood (9.1% of land in high-risk zones), bushfire (7.7% of land in high-risk zones). Exposure is not uniform across South Arm — individual properties can sit well above or below these averages, so an address-level check is recommended before buying, selling or insuring.

Local Hazard Evidence

Wind/Storm RegionLow-lying coastal areas are exposed to sea level rise.
Storm Risk LevelSome coastal areas are at risk of erosion.
Distance to Coast0.5 km

Historical Events

2018
Moderate

Severe storms caused damage to coastal infrastructure and properties in South Arm.

Adaptation & Mitigation Actions

Develop a household emergency plan

Immediate

Create a plan that includes evacuation routes, emergency contacts, and a supply kit.

Est. cost: Low

Harden your home against bushfires

Near-term

Clear vegetation around your home, install ember guards, and ensure your roof and gutters are well-maintained.

Est. cost: Medium

Install a rainwater tank

Long-term

Collect rainwater for non-potable uses to reduce reliance on mains water during droughts.

Est. cost: Medium

Support local climate action initiatives

Near-term

Participate in community efforts to reduce greenhouse gas emissions and build climate resilience.

Est. cost: Low

Council & Emergency Services

Clarence City Council
Emergency Services

Data last updated: 1 April 2026

Explore South Arm Risk Reports

Frequently Asked Questions

Is South Arm prone to hailstorms?

Hail risk in South Arm depends on the frequency of severe thunderstorm activity in the Tasmania region. BOM tracks severe storm events including hail. Property-specific risk depends on roof design, building orientation, and local storm patterns.

What wind rating applies to buildings in South Arm?

Under AS/NZS 1170.2, properties in South Arm are assigned a wind region classification. This rating determines structural design requirements for new buildings. Check with ClimateNest or a structural engineer for your property's classification.

Does storm risk affect insurance premiums in South Arm?

Yes, storm damage — including wind, hail, and rain ingress — is one of the most common insurance claims in Australia. Properties in higher wind zones or with greater hail exposure may face higher premiums or specific policy conditions.

What storm mitigation measures should South Arm property owners consider?

Storm mitigation includes impact-resistant roofing, cyclone-rated fixings where required, window and door shutters, regular roof and gutter maintenance, securing outdoor items, and ensuring compliance with current wind load standards under the National Construction Code.

What share of South Arm is exposed to high surface flood risk?

ClimateNest's hazard overlay maps 14.2% of South Arm in high-risk zones for surface flood, with a further 57% in moderate-risk zones. Suburb-level exposure is not uniform — individual properties can differ from these averages, so an address-level check is recommended.

Is South Arm Safe from Climate Risk?

Enter your address below for an instant climate risk assessment for South Arm, Tasmania, covering flood, bushfire, sea level rise and more.

Free instant previewCSIRO-powered data

What A$69 could save you from

$7.2B
2022 insured disaster losses*
$300B+
climate risk to property by 2050*
30-120%
insurance premium increases in high-risk areas*

*Industry sources: ICA, APRA, RBA

Full report from A$69 · Australian addresses only · 8 hazard scores · Insurance trajectory · 2030 & 2050 projections