Friday, May 11, 2018

Derwent River minor flood warning

Bureau of Meteorology, Tasmania

Minor Flood Warning for the Derwent River

Issued at 5:19 am EST on Friday 11 May 2018

Flood Warning Number: 2

Minor flooding is occurring in the Styx River and minor flooding is likely to develop in the Derwent River around New Norfolk during Saturday morning.
Since 9am Thursday, rainfall totals of up to 105 mm have been recorded in the lower Derwent River catchment.
An active low pressure system east of Flinders Island will track close to the island this morning before slowly moving away to the northeast, while another low develops nearby. Rainfall totals of 30 to 50 mm have been forecast for the remainder of Friday. Rapid rises in rivulets are possible where this rain falls.

Strong and dangerous flows may remain a hazard throughout the Derwent catchment over the next few days.

Tyenna River:

Strong river rises are occurring along the Tyenna River during Friday.

Styx River:

The Styx River at Bruces Bridge exceeded the minor flood level (2.0 m) early Friday morning.

River Derwent around New Norfolk:

Minor flooding may occur along the River Derwent around New Norfolk.
The River Derwent at New Norfolk is currently at 1.25 metres and rising. The River Derwent at New Norfolk may reach the minor flood level (2.00 m) overnight Friday into Saturday.

Flood Safety Advice:

FloodSafe advice is available at
Road closure information is available at
For emergency assistance call the SES on telephone number 132 500
For life threatening situations, call 000 immediately.

Next Issue:

The next warning will be issued by 10:30 am EST on Friday 11 May 2018.

Latest River Heights:

LocationHeight of River (m)TendencyDate/Time of Observation
River Derwent below Lake St Clair0.98Steady03:30 AM FRI 11/05/18
River Ouse at Ashton0.19Steady03:30 AM FRI 11/05/18
River Ouse at 3B Weir0.59Steady04:00 AM FRI 11/05/18
River Clyde at Bothwell0.15Steady04:00 AM FRI 11/05/18
River Derwent below Meadowbank Dam1.81Steady04:00 AM FRI 11/05/18
River Derwent at Macquarie Plains1.20Rising04:19 AM FRI 11/05/18
Tyenna River at Newbury0.82Rising04:00 AM FRI 11/05/18
Styx River at Bruces Bridge3.05Rising04:51 AM FRI 11/05/18
River Derwent at New Norfolk1.25Rising04:53 AM FRI 11/05/18

This advice is also available by dialling 1300 659 216. Warning, rainfall and river information are available at The latest weather forecast is available at

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