📮 Grange postcode: 5022

Storm Risk in Grange, SA: 2026 Assessment

Grange, South Australia· City of Charles Sturt· 5022
Moderate storm risk — occasional severe thunderstormsUpdated 22 Mar 2026

Storm Risk Score

2.4/10

Moderate storm risk — occasional severe thunderstorms

Key Facts

Storm Risk
Moderate storm risk — occasional severe thunderstorms
Trend
stable
Suburb
Grange, SA
Overall Risk
Medium
Postcode
5022
Highest high-risk exposure
12.8% of land (bushfire)

Storm Risk Analysis

Grange, South Australia, 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 Grange.

Severe thunderstorms affecting Grange can produce damaging wind gusts, large hail, and intense rainfall. The Bureau of Meteorology issues severe weather warnings for South Australia, 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 Grange property owners, this reinforces the value of storm-resistant building features and comprehensive insurance.

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

Grange 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 83.1% 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 Grange.

Grange (postcode 5022) 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 bushfire (12.8% of land in high-risk zones), surface flood (9.7% of land in high-risk zones), riverine flood (2.2% of land in high-risk zones). Exposure is not uniform across Grange — 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 areas exposed to sea level rise
Storm Risk LevelModerate erosion risk along the coastline
Distance to Coast0.5 km

Historical Events

2016
Moderate

Severe storms caused flash flooding and property damage in Grange.

Adaptation & Mitigation Actions

Improve stormwater drainage

Near-term

Upgrade stormwater infrastructure to handle increased rainfall intensity and reduce flood risk.

Est. cost: Medium

Implement heatwave early warning system

Immediate

Develop a system to alert residents of impending heatwaves and provide guidance on staying safe.

Est. cost: Low

Protect coastal areas from erosion

Long-term

Implement coastal protection measures such as seawalls and dune restoration to mitigate erosion.

Est. cost: High

Promote water conservation

Near-term

Encourage residents to conserve water through rebates and education programs to reduce strain on water resources during droughts.

Est. cost: Low

Community education on climate risks

Immediate

Conduct workshops and distribute information to raise awareness about climate change impacts and adaptation strategies.

Est. cost: Low

Council & Emergency Services

City of Charles Sturt
Emergency Services

Data last updated: 22 March 2026

Explore Grange Risk Reports

Frequently Asked Questions

Is Grange prone to hailstorms?

Hail risk in Grange depends on the frequency of severe thunderstorm activity in the South Australia 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 Grange?

Under AS/NZS 1170.2, properties in Grange 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 Grange?

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 Grange 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 Grange is exposed to high bushfire risk?

ClimateNest's hazard overlay maps 12.8% of Grange in high-risk zones for bushfire, with a further 59.2% 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 Grange Safe from Climate Risk?

Enter your address below for an instant climate risk assessment for Grange, South Australia, 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