Weekly rainfall update + rain outlook 5 April 2023

Bureau of Meteorology, April 5, 2023

EARLY in the week, a low-pressure trough extending from western Western Australia towards eastern parts of the continent dragged tropical air from the warm ocean waters, delivering thunderstorms and rainfall to large parts of eastern and south-eastern Australia.

Another low-pressure system offshore from the Pilbara streamed moisture into WA, producing showers, thunderstorms and rain.

Multiple fronts and low-pressure troughs crossed southern parts of the country bringing cool and showery weather to south-eastern Australia on most days.

A low-pressure trough combined with a moist onshore easterly flow producing showers and thunderstorms in parts of the central Queensland and New South Wales coasts at the end of the week.

Weekly totals greater than 50mm were recorded across the Gascoyne and into Southern Interior districts in WA; a large area within the Gascoyne district received more than 100mm. Weekly totals above 50mm were also recorded in coastal parts of the Kimberley in WA, in Tasmania, along the ranges in Victoria and NSW, and in areas of coastal Queensland.

The highest weekly total at a Bureau gauge of 209.6mm was recorded at Doolguna, WA; the highest daily total this week was 115.5mm at Jervis Bay, NSW, in the 24 hours to 9am on April 1.

Weekly totals of 10-50mm were recorded in parts of south-western WA, most of Tasmania, southern and eastern Victoria, much of eastern NSW and in coastal parts of Qld and most of Cape York Peninsula.





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