Weekly rainfall wrap + rain outlook, 23 October 2019

Bureau of Meteorology, October 23, 2019


A SERIES of cold fronts brought moderate falls to parts of south-east Australia, while a surface trough produced showers and thunderstorms in central to south-east Queensland and north-eastern New South Wales.

Past seven days: At the start of the week, two cold fronts tracked across the south-west and south-east of Australia, generating light falls along parts of the south coast of Australia, and eastern Tasmania. The cold front in the south-west tracked across the Great Australian Bight, with an associated low pressure system developing to the west of Tasmania. Widespread light falls were recorded across south-eastern South Australia, most of Victoria, western and southern Tasmania, and southern New South Wales. Heavier falls were reported in western Tasmania, southern central to northeastern Victoria, and in elevated parts of the Snowy Mountains in New South Wales.

In the north, a broad surface trough stretched from the north-west of Western Australia, across central parts of the Northern Territory, and from the north-west to southern inland of Queensland to the central coast of New South Wales. Thunderstorms and showers developed over north-eastern New South Wales, and in parts of central to south-eastern Queensland, generating light to moderated falls.

In the middle of the week, another cold front tracked across southeast Australia, and brought light falls to southeastern South Australia, and parts of western and central southern Victoria, while moderate falls were recorded in western Tasmania.

In the last part of the week, a surface trough extending through eastern Queensland combined with an upper level disturbance, and generated thunderstorms and showers with moderate falls recorded in areas from central to south-east Queensland. Some isolated, heavier falls were reported around the south-east coast district. Isolated thunderstorms also developed through the central interior of Western Australia and in central parts of the Northern Territory. Onshore flow brought showers to the north tropical coast of Queensland at the end of the week, with moderate falls recorded between Innisfail and Tully.

Rainfall totals in excess of 50 mm were recorded in some locations around the north tropical coast of Queensland, and in part of western Tasmania. The highest weekly total was 103 mm at Mount Read in Tasmania.

Weekly rainfall totals between 10 mm and 50 mm were recorded in parts of the central interior of Western Australia and in an area of the far southern coast of that State; south-eastern South Australia and parts of the Yorke and Eyre peninsulas; south-west, southern central and north-eastern Victoria; western and parts of southern and eastern Tasmania; elevated areas of the Snowy Mountains and parts of north-eastern New South Wales; and in areas of the north tropical coast, central and south-eastern Queensland.

Rainfall totals of less than 10 mm were recorded along the southern coast of Western Australia, most of remaining parts of Victoria, and parts of north-eastern Tasmania and southern New South Wales.

Little or no rainfall was recorded in most of Western Australia; the Northern Territory; South Australia away from the southeast; northwestern Victoria; most of inland northern and central to western New South Wales and along the State’s central coast; and western, northern and southern inland Queensland.

Highest weekly totals list

New South Wales and Australian Capital Territory
44 mm Perisher Valley AWS
43 mm Mount George (Manning River)
42 mm Thredbo Village

42 mm Wilsons Promontory Lighthouse
41 mm Mount Buller
37 mm Warrnambool AirportCobden (Post Office)

61 mm Mungar Gayndah St
53 mm Cowley Beach (Defence)Bingil Bay

Western Australia
13 mm Manypeaks
11 mm Carnegie
10 mm Margaret RiverCheyne Beach

South Australia
23 mm Mount Bold Reservoir, Mount Lofty
22 mm Multiple locations

103 mm Mount Read
77 mm Lake Margaret Dam
68 mm Queenstown (South Queenstown)

Northern Territory
2 mm Upper Victoria River
1.4 mm Hermannsburg
1.2 mm The Garden

Rainfall outlook


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