Storm Risk in Palmyra, WA: 2026 Assessment

Palmyra, Western Australia· UNKNOWN
Moderate storm risk — winter storms and occasional severe thunderstormsUpdated 22 Mar 2026

Storm Risk Score

2.8/10

Moderate storm risk — winter storms and occasional severe thunderstorms

Key Facts

Storm Risk
Moderate storm risk — winter storms and occasional severe thunderstorms
Trend
stable
Suburb
Palmyra, WA
Overall Risk
Medium
Postcode
6157
Highest high-risk exposure
13.2% of land (surface flood)

Storm Risk Analysis

Palmyra, Western 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 Palmyra.

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

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

Palmyra sits within ClimateNest's suburb-level hazard model for severe storm risk. 3% of the suburb's land area is mapped in high-risk severe storm zones and 69.4% 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 Palmyra.

Palmyra (postcode 6157) 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 (13.2% of land in high-risk zones), bushfire (7.6% of land in high-risk zones), riverine flood (5.3% of land in high-risk zones). Exposure is not uniform across Palmyra — 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 RegionPotentially exposed to sea level rise impacts by 2050.
Storm Risk LevelModerate erosion risk along the Swan River foreshore.
Distance to Coast2.5 km

Historical Events

2011
Minor

A severe storm caused minor damage to property and infrastructure.

Adaptation & Mitigation Actions

Upgrade Drainage Infrastructure

Near-term

Improve stormwater drainage systems to handle increased rainfall intensity and reduce flooding risks.

Est. cost: Medium

Implement Heatwave Action Plan

Immediate

Develop and implement a heatwave action plan to protect vulnerable populations during extreme heat events.

Est. cost: Low

Coastal Protection Measures

Long-term

Invest in coastal protection measures, such as seawalls and beach nourishment, to mitigate the impacts of sea level rise and coastal erosion.

Est. cost: High

Promote Water Conservation

Near-term

Encourage water conservation practices to reduce water demand and improve drought resilience.

Est. cost: Low

Council & Emergency Services

City of Fremantle
Emergency Services

Data last updated: 22 March 2026

Explore Palmyra Risk Reports

Frequently Asked Questions

Is Palmyra prone to hailstorms?

Hail risk in Palmyra depends on the frequency of severe thunderstorm activity in the Western 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 Palmyra?

Under AS/NZS 1170.2, properties in Palmyra 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 Palmyra?

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 Palmyra 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 Palmyra is exposed to high surface flood risk?

ClimateNest's hazard overlay maps 13.2% of Palmyra in high-risk zones for surface flood, with a further 79.9% 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 Palmyra Safe from Climate Risk?

Enter your address below for an instant climate risk assessment for Palmyra, Western 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