Frequently Asked Questions (FAQ)

Climatology | Impacts | Extremes| TCs affecting WA towns | Forecast Accuracy
Frequently Asked Questions | Annual summaries

Definitions | Characteristics and Formation | Climatology | Extremes | Forecasting | More Information

Extremes

5.What is the lowest pressure ever recorded in a tropical cyclone?

The lowest pressure recorded in Western Australia was 905 hPa at North Rankin A gas platform during cyclone Orson. On the Western Australian mainland the lowest pressure measured was 921 hPa at Onslow in 1961. In January 1980, 932 hPa was recorded at Goldsworthy as cyclone Amy passed approximately 10 km to the west.

Typhoon Tip in the Northwest Pacific Ocean on 12 October 1979 was measured to have a central pressure of 870 mb.