Proportion of land area or production unaffected by extreme weather

Units

Percentage (%)

Example target

Site-specific

Example methods / guidance / references

What are tiers?

Tier 1

Estimate using own judgement and observations

Tier 2

Estimate using third-party professional estimates or public data

Tier 3

Model or measure based on site-specific surveys/sampling, remote or in-field sensing, laboratory analysis, etc.

Example data sources

Internal records

Third-party data sources

Maps of Australian tropical cyclone occurrences are available at the Bureau of Meteorology – Maps and gridded spatial data.

Site-specific measurements or model outputs

Data on Australian tropical cyclone occurrences are available at the Bureau of Meteorology – Maps and gridded spatial data.

Notes

As extreme weather events are likely to be relatively infrequent, it may be appropriate to express this metric as the rolling average for a representative period, e.g. the last 30 years.