Very heavy December rainfall in southwest Western Australia (Bureau of Meteorology, Australia)

Very heavy December rainfall in southwest Western Australia (Bureau of Meteorology, Australia)

17

Published

17 December 2012
Press Release Number:
N/A

A deep surface trough interacted with a slow moving middle level low off the Western Australian west coast to produce widespread showers and thunderstorms across most of Western Australia from 10 to 13 December 2012. The middle level low was both slow moving, allowing moisture to build up over southwest Western Australia over a period of several days, and in phase with the surface trough, enhancing atmospheric instability. These factors combined to produce unusually heavy rainfall in southwest Western Australia over several days. >> More

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