Weekly rainfall wrap, week ending 25 Aug 2015

Sheep Central, August 26, 2015

2015-8-26-rainfall-mapThe best falls of the week of greater than 50mm were recorded in parts of the south coast of Western Australia, isolated parts of western Tasmania, and in areas of the east coast of New South Wales, with totals in excess of 100mm recorded in the NSW Illawarra, including 301mm at Bendalong.

Falls between 10mm and 50mm were recorded in the southwest and south coast of Western Australia; in the southern half of South Australia including parts of the pastoral and agricultural districts, but excluding the southeast; parts of the Otways and in alpine to northeastern Victoria; the western half and the northeast of Tasmania; most of New South Wales except the far northwest; and in southeastern and coastal far north tropical Queensland.

The week began with a cloudband extending from the Indian Ocean over central Western Australia and South Australia with a cold front tracking over southwest Western Australia. Large parts of the South West Land Division recorded moderate rainfall totals as the system progressed eastwards.

The cold front and a pre-frontal surface trough tracked across South Australia, bringing moderate falls to the coastal area from about Ceduna to Kangaroo Island. Light rain fell along parts of Western Australia’s southern coast and in northwestern Tasmania.

Another low pressure system and cold front crossed Western Australia in the middle of the week bringing moderate rainfall across most of the southwest of Western Australia.

A moist, onshore flow over southeastern Queensland generated light to moderate falls along the east coast between Yeppoon and Coolangatta.

During the last half of the week, a cold front and associated surface trough crossed Tasmania, bringing moderate falls to most of northwestern Tasmania. A complex trough of low pressure also developed over central Australia and moved slowly eastwards. Along with a middle level disturbance, the system produced broad areas of moderate falls across central and eastern South Australia extending into western New South Wales to the northeast of that State.

A small area of low pressure at the centre of these troughs deepened further after tracking offshore over the northern Illawarra coast at the end of the week, becoming an East Coast Low. Vigorous onshore winds and moderate to heavy rainfall was recorded on the last day of the week in the southern half of New South Wales, with moderate falls also recorded in East Gippsland as the system tracked southwards along the coast. A surface trough extended from the low pressure system into eastern Queensland, generating light to moderate rainfall across southeastern Queensland and northeastern New South Wales.

The Northern Territory, the northern two thirds of Western Australia, northern South Australia, much of central and western Victoria, and most of Queensland away from the east coast recorded little or no rainfall.

New South Wales and Australian Capital Territory

301 mm Bendalong STP

232 mm Kiama (Brighton St)

196 mm Ulladulla AWS

196 mm Sanctuary Point

For more NSW totals click here


45 mm Haines Junction (Mount Sabine)

45 mm Reeves Knob

41 mm Mount Useful

For more Victorian totals click here


113 mm Corbould Pk Racecourse

98 mm Rainbow Beach

64 mm Sunshine Coast Airport

Higher inland totals:

46mm Kingaroy

37mm Yuleba

35mm Meandarra

27mm Texas

25mm Dalveen

19mm Bauhinia Downs

16mm Wandoan

Western Australia

74 mm Karnet

63 mm Bickley

62 mm Merivale Farm

62 mm Dwellingup

62 mm Mettler

South Australia

62 mm Wilpena Pound

52 mm Boolcoomatta

46 mm Parndana AWS

46 mm Wirrulla


64 mm Mount Read

45 mm Waratah (Mount Road)

42 mm Mount Victoria (Una Plain)

Northern Territory

6 mm Darwin Hospital

4 mm Point Stuart

0.8 mm Centre Island

Source: BOM


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