Thursday, August 16, 2018

Derwent flood warning updated

Bureau of Meteorology, Tasmania

Minor Flood Warning for the River Derwent

Issued at 4:02pm on Thursday 16 August 2018


Flood Warning Number: 6

Minor flooding is occurring along the River Derwent below Meadowbank Dam and may extend downstream to Macquarie Plains and New Norfolk overnight Thursday into Friday. 

River rises continue along the upper River Derwent and some of its tributaries, including the Nive, Florentine, Ouse, Clyde, Styx and Plenty rivers.

In the 48 hours to 4 pm Thursday, widespread 20-60 mm rainfall totals were recorded across the Derwent catchment.

No further significant rainfall is expected until Friday evening.

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


River Derwent above River Ouse:

River levels are easing along the River Derwent above River Ouse.

River Ouse:

River levels are easing in the River Ouse.

The River Ouse at Ashton is currently at 1.71 metres and steady.

River Clyde:

River rises are occurring along the River Clyde.

Styx River:

High river levels continue along the Styx River.

River Derwent below Meadowbank Dam:

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

The River Derwent below Meadowbank Dam is currently at 4.72 metres and rising. The River Derwent below Meadowbank Dam is expected to remain above the minor flood level (4.10 m) during Thursday. The river level may peak between 5.20 and 5.50 metres Thursday evening.

The River Derwent at Macquarie Plains is currently at 3.25 metres and rising. The River Derwent at Macquarie Plains may reach the minor flood level (4.00 m) overnight Thursday into Friday and the river level may peak between 3.80 and 4.10 metres.

River Derwent around New Norfolk:

Minor flooding may occur along the River Derwent around New Norfolk.

The River Derwent at New Norfolk may reach the minor flood level (2.00 m) overnight Thursday into Friday and the river level may peak between 1.80 and 2.10 metres.


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 10:00 am EST on Friday 17 August 2018.


Latest River Heights:

LocationHeight of River (m)TendencyDate/Time of Observation
River Derwent below Lake St Clair2.13Steady01:30 PM THU 16/08/18
River Ouse at Ashton1.71Steady02:00 PM THU 16/08/18
River Ouse at 3B Weir1.41Steady01:30 PM THU 16/08/18
River Clyde at Bothwell0.60Steady02:15 PM THU 16/08/18
River Derwent below Meadowbank Dam4.73Rising02:00 PM THU 16/08/18
River Derwent at Macquarie Plains3.25Rising02:15 PM THU 16/08/18
Tyenna River at Newbury0.98Steady02:15 PM THU 16/08/18
Styx River at Bruces Bridge1.63Falling02:44 PM THU 16/08/18
River Derwent at New Norfolk1.65Falling02:45 PM THU 16/08/18


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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