A monsoon valley and lows resulted in moderate to severe falls in northern Australia, while central and south-eastern Australia also experienced showers and thunderstorms for the past week.
Past seven days: A monsoon trough stretched across Australia’s northern tropics earlier in the week. Farther south, a wide trough stretched from the Gascoyne in Western Australia through the southern parts of the Northern Territory and southwestern Queensland to western Victoria. A secondary trough extended into South Australia. Widespread thunderstorms with showers were reported in the Kimberley and Pilbara of Western Australia, much of the Northern Territory, western and northern Queensland, the Eyre Peninsula coast of South Australia, inland southern New South Wales and the western half of Victoria registered. An onshore river also brought moderate rainfall to south-east Queensland and north-east New South Wales.
The monsoon trough dipped south and embedded lows developed in the central Northern Territory, near the west coast of Kimberley and near the tropical north coast of Queensland, with showers persisting in the northern parts of the country.
A trough stretching from central to south-east Australia slowly moved east, bringing thunderstorms, showers and tropically wet conditions to north-east South Australia, western New South Wales, south-west Queensland and much of Victoria, with those conditions persisting most of the week.
In the last half of the week, the monsoon low strengthened in the Northern Territory and slowly moved west towards the southern Kimberley, and a secondary low formed near the Pilbara coast. Showers and thunderstorms intensified along the west coast of Kimberley. Broome recorded falls of over 200mm for two consecutive days, and 326mm on February 1 was the second-highest daily total for February on the city’s records. Country Downs, located north of Broome, recorded a total daily rainfall of 652.2mm on February 1, which is the second highest daily rainfall in Western Australia for a month.
Showers were also recorded in the south and far north of the Northern Territory, the Cape York Peninsula, west and south-east Queensland, north-west and east South Australia and west and south-east New South Wales during the weekday.
The amount of precipitation is more than 200 mm have been recorded in western and southern Kimberley in Western Australia, parts of the western Top End and north-eastern border in the Northern Territory, and areas in the north, west-central and tropical north coast of Queensland. The highest weekly rainfall was 842.7mm in Country Downs in western Kimberley, Western Australia.
The amount of precipitation is more than 100 mm have been recorded in most of the Kimberley; western, eastern and southern parts of the Northern Territory; Northwestern South Australia and much of northern Queensland. The Eyre Peninsula District in South Australia, the North East District in Victoria and isolated locations in southern New South Wales also recorded similar weekly precipitation totals.
The amount of precipitation is between 50 mm and 100 mm Covered are the Kimberley, most of the Northern Territory, northern half and south-west Queensland, much of the North West Pastoral District and the extreme north-east of South Australia, areas of the south coast, central and north-east Victoria and areas to the west and west Southern New South Wales.
Precipitation sums from 10 mm to 50 mm have been recorded in most of the northern and eastern two-thirds of Australia, from the Pilbara and Kimberley in Western Australia through the Northern Territory and Queensland excluding the east-central parts of that state; also in the northern half, the Eyre Peninsula and east-central South Australia. Similar totals have been recorded in Victoria, New South Wales and much of Tasmania, as well as small areas on parts of the central and south coasts of Western Australia.
Highest weekly totals
New South Wales and the Australian Capital Territory
123mm Big Hill (Glen Dusk)
120mm Euabalong (Mount Hope Aws)
100mm Chifley Dam (Campbells River)
Victoria
142mm indigo
124mm Wodonga Kyneton
Queensland
361 mm Weipa Ostallee
324mm Weipa Aero
293mm Rollingstone
Western Australia
843mm Country Downs
649mm Broome Airport
320mm Kilto station
South Australia
175mm Marree (Dulkaninna)
145mm Todmorden
117mm Ernabella (Pukatja)
Tasmania
52 mm Nunamara acceptance (St. Patricks)
45mm Bunny (Park Grove)
44mm low head
Northern Territory
201mm Elizabeth Downs, Port Keats Airport
186mm Brunchilly, Trephina Gorge