Source: Bureau of Meteorology

Issued at 10:50 am CST on Tuesday 28 December 2021

Flood Watch Number: 5


A tropical low is located over the southern Arnhem District and is expected to move eastwards across the Top End and into the Gulf of Carpentaria tonight. A vigorous monsoon flow across northern and eastern parts of the Top End will gradually ease from the west during Tuesday and Wednesday as the tropical low moves away from the Northern Territory.

Widespread rainfall totals of 60-150 mm have been recorded in the flood watch area during the 72hrs to 9:00 am Tuesday. Heavier rainfall totals have been recorded in some areas, with 235mm recorded at Diljin Hill.

Most of the Top End catchments have been wetting up from the recent showers and storms.

Scattered falls of 40-80 mm and isolated falls of 100-200 mm are possible across the eastern Carpentaria District today and Wednesday morning. Isolated falls of 10-40 mm are possible across the western Carpentaria District and Arnhem District today, and up to 80 mm across the northern Arnhem coast today. From Wednesday afternoon and for the remainder of the week isolated showers and thunderstorms with rainfall of 10-30 mm is possible.

Significant rises in streams and creeks have been seen throughout the flood watch area from Sunday morning. Further rises are expected and many roads may become impassable and may isolate some communities and homesteads.

A moderate flood warning for the Waterhouse River and a final flood warning for the Katherine River are current.

A Severe Weather Warning for heavy rainfall is current for Tiwi, Arnhem, Carpentaria and parts of Daly districts.

Catchments likely to be affected include:

Tiwi Islands
Mary River
Adelaide River below Adelaide River Town
Lower Daly River
Daly River above Douglas River
Katherine River
South Alligator River
Wildman River
Buckingham River
Goyder River
Blyth River
Liverpool River
Goomadeer River
East Alligator River
Koolatong River
Walker River
Groote Eylandt
Waterhouse River
Roper River
Towns River
Limmen Bight River
Rosie River
McArthur River
Robinson River
Calvert River
Settlement Creek
Nicholson River

Flooding is no longer expected in the following catchments: Fitzmaurice River, Upper Adelaide River, Finniss River, Moyle River.

See to view all of the Bureau's current warning products.

More information on the Flood Watch Service and maps of Flood Watch areas are available at .

Flood Safety Advice:
The Northern Territory Emergency Service advises that people should:

* Stay away from flooded drains, rivers, streams and waterways.

* Prepare for flooding and move away while safe to do so.

* Don't drive into floodwaters.

For emergency help in floods, storms and cyclones call 132 500.

Emergency information is available at .

The latest road conditions are available at .

Rainfall and River Conditions Map