Weather

Weekly rainfall wrap + 14 day outlook, 14 Dec 2016

Grain Central, December 14, 2016

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Today’s 14-day rainfall outlook – scroll to bottom of article

Pockets of the Kimberley, Pilbara and South West Land Division in Western Australia; parts of the Top End in the Northern Territory; areas of northern and central Queensland, northeastern New South Wales and northern Tasmania received the biggest falls in the past week.

Past seven days: Rainfall was recorded in the central interior, northern, and southern parts of Western Australia; the south and north of the Northern Territory; northern, central and southern areas of Queensland; northeastern and western New South Wales; central and western Victoria; western and northern Tasmania, and in southeastern and northeastern South Australia.

In the first part of the week, a broad trough of low pressure extended from a tropical low off the northwest Australian mainland, through northern and central Australia, to the east coast of the continent. Cloudbands with embedded thunderstorms and showers formed over northern and central Western Australia, southern parts of the Northern Territory, northern parts of South Australia, southern Queensland and northern New South Wales.

A cold front and associated low pressure system deepened as it tracked from South Australia to the southeast of the country, generating moderate falls in parts of southeastern South Australia, western Victoria and northern Tasmania. Light to moderate rainfall was recorded over most of Tasmania apart from the southeast, and much of Victoria.

During the second part of the week, a coastal trough and a moist onshore flow generated rain and thunderstorm activity over the Capricornia, central, and north tropical coasts of Queensland, with some locally heavy falls recorded. Moderate to heavy falls spread west through the Queensland central interior, Gulf Country and Cape York Peninsula as the surface and upper level trough intensified. A surface trough across northern Western Australia and the Top End triggered thunderstorms with moderate to locally heavy falls recorded in parts of the Kimberley and Pilbara districts, and northern parts of the Northern Territory.

A deep trough located inland from the west coast of Western Australia, along with an upper level disturbance, produced a cloudband with embedded thunderstorms. Moderate to locally heavy falls were recorded in parts of the Gascoyne, the South West Land Division and the southern Goldfields in Western Australia.

50mm-100mm: Pockets of the Kimberley, Pilbara and South West Land Division in Western Australia; parts of the Top End in the Northern Territory; areas of northern and central Queensland, and northeastern New South Wales, and in parts of northern Tasmania. Isolated falls in excess of 100 mm were recorded in Queensland’s north tropical and central coasts, and parts of the State’s central and northern interior. The highest weekly total was 293 mm at Orkabie West Hill in Queensland.

10mm-50mm: Large areas of the South West Land Division, Gascoyne, southern Goldfields and Southern Interior districts of Western Australia; in central and northern parts of the Northern Territory; northern, central and southern Queensland; northeastern and western parts of New South Wales; central and western Victoria; western and northern Tasmania; and in southeastern and northeastern parts of South Australia.

Little or no rainfall: Along much of the west coast, and eastern parts of Western Australia; western, central and eastern areas of the Northern Territory; the pastoral districts and western South Australia; northwest and eastern Victoria; western, central and southern parts of New South Wales; and in western Queensland.

Highest weekly totals list

New South Wales and Australian Capital Territory

97 mm Bukkulla (RFS)

70 mm Lillian Rock (Williams Road)

66 mm Mount George (Manning River)

 

Victoria

51 mm Woods Point

44 mm Bullarto South, Mount Hotham, Mount Baw Baw

 

Queensland

293 mm Orkabie West Hill

234 mm Gairloch

229 mm Coconut Island

 

Western Australia

87 mm Broome Airport

75 mm Lansdowne

72 mm Chamingup

 

South Australia

29 mm Birdwood (Mcvittie’s Hill)

28 mm Aldgate

27 mm Cromer Road

 

Tasmania

105 mm Mount Read

102 mm Mount Victoria (Una Plain)

66 mm Mount Barrow (South Barrow)

 

Northern Territory

112 mm Stokes Hill

103 mm Pirlangimpi Airport

98 mm Fort Hill Wharf

More weekly rainfall totals:

Source: BOM

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