Weekly rainfall wrap + rain outlook, 9 Sept 2020

Bureau of Meteorology September 9, 2020


A series of cold fronts brought moderate falls to south-west Western Australia, and western Tasmania, while moist onshore flow produced showers along the east coast of Queensland and New South Wales.

Past seven days: In the first half of the week, a pair of cold fronts tracked across south-west Western Australia, generating moderate falls from about Bunbury to Albany. The cold fronts tracked eastwards, embedded in a strong westerly flow, and produced showers, rain and moderate falls in parts of south-east South Australia, south-west and southern Victoria, and western Tasmania. A surface trough moved over southern New South Wales, with showers developing over central inland parts and between the Illawarra and Mid North Coast districts of New South Wales.

In the second part of the week, a broad high pressure system in the Tasman Sea extended a ridge along the Queensland coast. The resulting moist onshore flow brought showers to parts of the north-east coast of New South Wales, and to the north tropical and south-east coasts of Queensland.

In the last part of the week, a strong cold front crossed south-west Western Australia, and generated widespread moderate falls in the state’s south-west, and light falls across parts of the South West Land Division.

Rainfall totals in excess of 50 mm were recorded in south-west Western Australia and western Tasmania. The highest weekly totals was 93 mm at Huntly on the south coast of Western Australia.

Rainfall totals between 10 mm and 50 mm were recorded in south-west Western Australia between Jurien Bay and Hopetoun along the south coast of that state; in south-east South Australia; south-west and small parts of southern Victoria; western and northern Tasmania; north-east New South Wales; and in the north tropical, central and south-east coast of Queensland.

Highest weekly totals

New South Wales and Australian Capital Territory
28 mm Coffs Harbour Airport
24 mm Rosebank (Repentance Creek)
22 mm Yamba Pilot Station
27 mm Portland (Cashmore Airport)
15 mm Port Fairy AWS, Cape Nelson Lighthouse, Colac (Mount Gellibrand)
63 mm Caloundra Airport
47 mm Nambour DAFF-Hillside
42 mm Tin Can Bay (Defence)
Western Australia
93 mm Huntly
92 mm Pemberton
85 mm Mumballup Organics
South Australia
20 mm Parndana AWS
19 mm Robe Airfield
18 mm Parndana (Turkey Lane)
89 mm Mount Read
62 mm Strathgordon Village
56 mm Loongana (Serendipity)
Northern Territory
0.6 mm Gove Airport
0.4 mm Centre Island
0.2 mm Port Keats Airport

Rainfall outlook









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