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Australia's state and federal governments are taking action to help slow the spread of COVID-19. Use the links above to source the latest advice about what you can do to protect yourself and others. Washing your hands for 20 seconds is one of the most effective forms of infection control. Do this after blowing your nose, coughing or sneezing; after close physical contact with anyone who is unwell; after using the toilet; before and after eating; before, during and after preparing food; and after feeding or touching a pet.

Tuesday, June 23, 2020

Update to minor flood warning

The Lachlan Rivulet in flood at New Norfolk today, seen from
the Hobart Rd bridge.
Bureau of Meteorology, Tasmania
Minor Flood Warning for the River Derwent

Issued at 3:58 pm on Tuesday 23 June 2020

Flood Warning Number: 3

Minor flooding may develop along River Derwent below Meadowbank Dam from overnight Tuesday into Wednesday and along the Rivers Ouse and Clyde during Wednesday based on forecast rainfall. River levels are easing in the lower Derwent tributaries, including the Tyenna, Styx and Plenty rivers.

A strong east to southeasterly flow is bringing persistent rainfall to eastern, southern and central Tasmania. In the 24 hours to 9am Tuesday widespread rainfall totals of between 30-80 mm have been recorded in the Clyde, Ouse and lower Derwent catchments with an isolated total of 170 mm at Mt Wellington. Mt Wellington has recorded an additional 40 mm since 9am.

Additional widespread rainfall totals of 10-20 mm are forecast for the remainder of Tuesday, with locally higher totals possible. Strong and dangerous flows will be a hazard over the next couple of days.

River Derwent above River Ouse: River rises are occurring along the upper River Derwent, Nive and Florentine Rivers.

River Ouse: Minor flooding may occur along the River Ouse with additional forecast rainfall. The River Ouse at Ashton is currently at 1.49 metres and steady. The River Ouse at Ashton may reach the minor flood level (2.40 m) during Wednesday, with additional forecast rainfall. There are currently no river level observations for the River Ouse at Ouse. The River Ouse at Ouse may reach the minor flood level (4.00 m) during Wednesday, with additional forecast rainfall.

River Clyde: Minor flooding may occur along the River Clyde, with additional forecast rainfall. The River Clyde at Bothwell is currently at 1.05 metres and steady. The River Clyde at Bothwell may reach the minor flood level (2.00 m) during Wednesday, with additional forecast rainfall. There are currently no river level observations for the River Clyde at Hamilton. The River Clyde at Hamilton may reach the minor flood level (2.40 m) during Wednesday, with additional forecast rainfall.

Tyenna River: River levels are easing along the Tyenna River.

Styx River: River levels are easing along the Styx River. The Styx River at Bruces Bridge is currently 1.5 m and falling (below the minor flood level of 2.0 m).

River Derwent below Meadowbank Dam: Minor flooding may occur along the River Derwent below Meadowbank Dam. The River Derwent below Meadowbank Dam is currently at 2.70 metres and steady. The River Derwent below Meadowbank Dam may reach the minor flood level (4.10 m) overnight Tuesday into Wednesday.

The River Derwent at Macquarie Plains is currently at 1.68 metres and rising. The River Derwent at Macquarie Plains is expected to remain below the minor flood level (4.00 m) during Tuesday and Wednesday.

River Derwent around New Norfolk: River levels are expected to remain below the minor flood level around New Norfolk. The River Derwent at New Norfolk is currently at 0.85 metres and rising. The River Derwent at New Norfolk is expected to remain below the minor flood level (2.00 m) during Tuesday and Wednesday.

Flood Safety Advice:

  • FloodSafe advice is available at www.ses.tas.gov.au
  • Road closure information is available at www.police.tas.gov.au
  • 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 1pm on Wednesday 24 June 2020.

Latest River Heights:
Location  Height of River (m)  Tendency  Date/Time of Observation
River Derwent below Lake St Clair  1.24  Steady  02:30 PM TUE 23/06/20
River Ouse at Ashton  1.49  Steady  03:15 PM TUE 23/06/20
River Ouse at 3B Weir  1.11  Steady  02:30 PM TUE 23/06/20
River Clyde at Bothwell  1.05  Steady  02:00 PM TUE 23/06/20
River Derwent below Meadowbank Dam  2.71  Steady  03:15 PM TUE 23/06/20
River Derwent at Macquarie Plains  1.68  Rising  03:10 PM TUE 23/06/20
Tyenna River at Newbury  0.94  Steady  02:00 PM TUE 23/06/20
Styx River at Bruces Bridge  1.48  Falling  03:39 PM TUE 23/06/20
River Derwent at New Norfolk  0.85  Rising  03:31 PM TUE 23/06/20

This advice is also available by dialling 1300 659 210. Warning, rainfall and river information are available at www.bom.gov.au/tas/flood. The latest weather forecast is available at www.bom.gov.au/tas/forecasts.

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