derwent river level

River Derwent minor flood warning

Bureau of Meteorology, Tasmania
Initial Minor Flood Warning for the River Derwent

Issued at 10.41pm on Monday 22 June 2020

Flood Warning Number 1

Minor flooding may develop in the Rivers Clyde, Ouse, and Derwent below Meadowbank Dam during Tuesday, based on observed and forecast rainfall. Strong river rises are also occurring in the lower Derwent tributaries, including 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 10pm Monday widespread rainfall totals of between 30-45 mm have been recorded in the Clyde, Ouse and lower Derwent catchments.

Additional widespread rainfall totals of 10-30 mm are forecast overnight and during 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 and Florentine River.

River Ouse: Minor flooding may occur along the River Ouse, based on observed and forecast rainfall. The River Ouse at Ashton is currently at 0.48 metres and steady. The River Ouse at Ashton may reach the minor flood level (2.40 m) during Tuesday. 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 Tuesday.

River Clyde: Minor flooding may occur along the River Clyde, based on observed and forecast rainfall. The River Clyde at Bothwell is currently at 0.21 metres and rising. The River Clyde at Bothwell may reach the minor flood level (2.00 m) during Tuesday. 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 Tuesday.

Tyenna River: River levels are rising along the Tyenna River during Monday evening.

Styx River: River levels are rising along the Styx River with minor flooding likely from overnight Monday into Tuesday.

River Derwent below Meadowbank Dam: Minor flooding may occur along the River Derwent below Meadowbank Dam, based on observed and forecast rainfall. The River Derwent below Meadowbank Dam is currently at 2.46 metres and steady. The River Derwent below Meadowbank Dam may exceed the minor flood level (4.10 m) late Tuesday morning.

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 10am on Tuesday 23 June 2020.

Latest River Heights:
Location  Height of River (m)  Tendency  Date/Time of Observation
River Derwent below Lake St Clair  1.09  Steady  05:30 PM MON 22/06/20
River Ouse at Ashton  0.49  Steady  09:45 PM MON 22/06/20
River Ouse at 3B Weir  0.70  Steady  09:30 PM MON 22/06/20
River Clyde at Bothwell  0.21  Rising  08:00 PM MON 22/06/20
River Derwent below Meadowbank Dam  2.46  Steady  09:45 PM MON 22/06/20
River Derwent at Macquarie Plains  1.38  Steady  09:58 PM MON 22/06/20
Tyenna River at Newbury  0.96  Rising  08:00 PM MON 22/06/20
Styx River at Bruces Bridge  1.73  Rising  10:14 PM MON 22/06/20
River Derwent at New Norfolk  1.45  Steady  10:16 PM MON 22/06/20

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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