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Weekly rainfall wrap + 14 day outlook, 10 May 2017

by Beef Central, 10 May 2017

2017-5-10-map-weekly-rain

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

 

It was a largely dry week across the continent, with the only areas recording 25mm or more being southwestern Tasmania, northeastern New South Wales, the central and north tropical Queensland coast and pockets of southwest Western Australia.

Past seven days: At the start of the week, a westerly flow produced moderate falls in western Tasmania, and light falls were reported in southern parts of Victoria; also southern South Australia. A surface trough located through inland Queensland produced moderate rainfall totals in the southern interior of Queensland and northeastern New South Wales. A cold front produced light to moderate rainfall totals in southwest Western Australia.

From the middle of the week, a high pressure system moved across southern Australia into the Tasman Sea, establishing a firm ridge along eastern Queensland. A moist onshore airflow brought showers with moderate rainfall totals in the north tropical coast and pockets of the east coast of Queensland.

A vigorous cold front and associated deepening low pressure system tracked across southeastern Australia, in the wake of the high pressure system moving eastward. Light falls associated with the passage of the cold front were recorded in southwest Western Australia. As the system continued its eastwards track, showers and thunderstorms produced moderate falls in southern Victoria and western Tasmania.

At the end of the week, a moist, east to southeasterly airflow brought showers and moderate falls to parts of southeastern Queensland and northeastern New South Wales.

Rainfall totals exceeding 50 mm were recorded in southwestern Tasmania, northeastern New South Wales and the north tropical Queensland coast, including the highest weekly total of 102 mm at Bingil Bay in Queensland.

Rainfall totals between 25 mm and 50 mm were recorded in pockets of southwest Western Australia, in western and southeastern Tasmania, pockets of northeastern New South Wales, and about the Capricornia and north tropical coasts of Queensland

Rainfall totals between 10 mm and 25 mm were recorded in western, southeastern and northeastern Tasmania; central and southern Victoria; southwest Western Australia; northeastern New South Wales, and in near coastal parts of southeast and northeast Queensland.

Little or no rainfall was recorded in most of the Northern Territory; South Australia; Western Australia away from the southwest tip; much of Queensland away from the east coast, southern interior and southeast; New South Wales except the northeast, and in northern, western and eastern Victoria.

 

Highest weekly totals

 

New South Wales and Australian Capital Territory

63 mm Ballina Airport AWS

58 mm Byron Bay (Jacaranda Drive)

49 mm Byron Bay (Cape Byron AWS)

 

Victoria

34 mm Mount Baw Baw

31 mm Ferny Creek

30 mm Main Ridge

 

Queensland

102 mm Bingil Bay

89 mm South Johnstone Exp Stn

76 mm Tully Sugar Mill

 

Western Australia

31 mm Witchcliffe

30 mm Cowaramup

25 mm Margaret River

 

South Australia

8 mm Goolwa Council Depot

6 mm Bridgewater

5 mm Kingston, Flinders Chase (Rocky River), Parawa (Sharon)

 

Tasmania

85 mm Mount Read

70 mm Lake Margaret Power Station

68 mm Port Arthur (Stewarts Bay)

 

Northern Territory

7 mm Maningrida Airport

5 mm Milingimbi Airport

4 mm Gunn Point, Alcan Minesite

 

More weekly rainfall totals:

Source: BOM

 

2017-5-10-map-14-day-rain

 

 



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