Friday, August 18, 2017

Flood warning updated

Bureau of Meteorology, Tasmania


Final Flood Warning for the River Derwent

Issued at 4:04 pm on Friday 18 August 2017


Flood Warning Number: 2

Minor flooding has eased in the lower reaches of the River Derwent below Meadowbank Dam. River levels are expected to remain high during Friday and Saturday due to dam inflows from the upper reaches of the catchment. Flooding is not expected to extend downstream to Macquarie Plains and New Norfolk.

In the 48 hours to 9AM Friday, widespread rainfall totals of 20 to 50mm were reported about the Derwent catchment. Since 9AM Friday, rainfall totals of 5 to 20 mm have been observed. Rain is expected to ease during Friday. No significant rainfall is forecast for the weekend.

No flooding is expected in the Ouse and Clyde river tributaries.

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


River Derwent below Meadowbank Dam:

Minor flooding has eased along the River Derwent below Meadowbank Dam.

The River Derwent below Meadowbank Dam is currently at 3.20 metres and steady. River levels are expected to remain high over the next couple of days.

The River Derwent at Macquarie Plains is currently at 2.08 metres and steady.


River Derwent around New Norfolk:

Minor flooding is not expected along the River Derwent around New Norfolk.

The River Derwent at New Norfolk is currently at 1.38 metres and rising. A high tide will increase the river level Friday afternoon. The River Derwent at New Norfolk is expected to remain below the minor flood level (2.00 m) during Friday.


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:

This is a final warning, no further warnings will be issued for this event.

Latest River Heights:

LocationHeight of River (m)TendencyDate/Time of Observation
River Derwent below Lake St Clair1.78Steady02:30 PM FRI 18/08/17
River Ouse at Ashton1.21Falling02:45 PM FRI 18/08/17
River Ouse at 3B Weir1.03Steady02:30 PM FRI 18/08/17
River Clyde at Bothwell0.20Falling02:00 PM FRI 18/08/17
River Derwent below Meadowbank Dam3.20Steady03:00 PM FRI 18/08/17
River Derwent at Macquarie Plains2.08Steady03:21 PM FRI 18/08/17
Tyenna River at Newbury1.07Falling02:15 PM FRI 18/08/17
Styx River at Bruces Bridge1.30Falling03:09 PM FRI 18/08/17
River Derwent at New Norfolk1.38Rising03:44 PM FRI 18/08/17


This advice is also available by dialling 1300 659 216. 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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