Shed considerations
Australian wind regions
Regions of Western Australia experience severe tropical cyclones where special engineering and experienced qualified design is critical when building steel sheds in these regions. It’s important to identify which region applies to you.
Which region am i?
Identify your wind region
Wind regions in Australia are classified into four groups: A, B, C & D, according to the speed of the wind and range from normal to severe.
Region A: Normal
Region B: Intermediate – 100kms
Region C: Tropical Cyclones – 50kms
Region D: Severe Tropical Cyclones
The average annual wind speed in Australia is reported to be 18 to 29 km/hr with frequent gusts of 80 km/hr, with occasional wind speeds of greater than 115 km/hr. Land or coastal gale-force winds that are usually 50 km/hr or stronger affect wider areas and last much longer than thunderstorms.
Extreme winds generally occur in winter and spring in the southern part of Australia. Whereas the strongest winds show up in summer and autumn in the tropical north, often due to tropical cyclones.
Tropical cyclones produce gusts which may exceed the speed of 200 km/hr. These winds can cause sizeable property damage, particularly to buildings and structures that haven’t been designed to suit these conditions.
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