Thursday, July 18, 2019

Update to minor flood warning

Bureau of Meteorology, Tasmania

Minor Flood Warning for the River Derwent

Issued at 12:07pm on Thursday 18 July 2019


Flood Warning Number: 8

Minor flooding is occurring in the lower Derwent River below Meadowbank Dam. Minor flooding may extend downstream to New Norfolk Thursday evening.

In the 24 hours to 9 am Thursday, rainfall totals of 10 to 30 mm have been recorded.

Additional rainfall totals up to 25 mm are forecast in the upper River Derwent catchment from Thursday into Friday.

Strong and dangerous flows will be a hazard over the next couple of days.


River Derwent above River Ouse:

River levels are elevated in the upper River Derwent and its tributaries.

River Ouse:

River rises are occurring along the River Ouse. Lake Augusta is spilling in the upper catchment.

The River Ouse at Ashton is currently at 1.59 metres and falling. The River Ouse at Ashton is expected to remain below the minor flood level (2.40 m) during Thursday.

The River Ouse at Ouse is expected to remain below the minor flood level (4.00 m) during Thursday.

River Derwent above Meadowbank Dam:

River levels are easing along the Florentine River and the middle reaches of the River Derwent.

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 1.65 m and falling. The minor flood level is 2.0 m.

River Derwent below Meadowbank Dam:

Minor flooding is occurring along the River Derwent below Meadowbank Dam.

The River Derwent below Meadowbank Dam peaked at 5.04 metres around 08:45 am Thursday 18 July and is currently at 4.89 metres and falling. The River Derwent below Meadowbank Dam is likely to fall below the minor flood level (4.10 m) Thursday evening.

The River Derwent at Macquarie Plains is currently at 3.62 metres and steady. The River Derwent at Macquarie Plains is likely to remain below the minor flood level (4.00 m) during Thursday.

River Derwent around New Norfolk:

River levels remain elevated along the River Derwent around New Norfolk.

The River Derwent at New Norfolk is currently at 1.48 metres and steady. The River Derwent at New Norfolk may reach the minor flood level (2.00 m) Thursday evening with the high tide.


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 noon on Friday 19 July 2019.

Latest River Heights:

LocationHeight of River (m)TendencyDate/Time of Observation
River Derwent below Lake St Clair2.35Steady11:00 AM THU 18/07/19
River Ouse at Ashton1.59Falling11:00 AM THU 18/07/19
River Ouse at 3B Weir1.31Falling10:30 AM THU 18/07/19
River Clyde at Bothwell0.11Steady10:00 AM THU 18/07/19
River Derwent below Meadowbank Dam4.89Falling11:00 AM THU 18/07/19
River Derwent at Macquarie Plains3.63Steady10:52 AM THU 18/07/19
Tyenna River at Newbury1.33Steady10:15 AM THU 18/07/19
Styx River at Bruces Bridge1.65Falling11:18 AM THU 18/07/19
River Derwent at New Norfolk1.48Steady11:23 AM THU 18/07/19

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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