Friday, September 30, 2016

Minor flood warning: third update

Australian Government Bureau of Meteorology,
Tasmania

Minor Flood Warning for the River Derwent

Issued at 6:05pm on Friday 30 September 2016

Flood Warning Number: 3

Minor flooding is occurring in the Ouse River, in the Clyde River and in the lower River Derwent below Meadowbank dam.

Minor flooding expected to extend into the lower River Derwent around Macquarie Plains overnight Friday into Saturday morning.

Strong rises have been observed in several rivers overnight Thursday and during Friday.

In the 24 hours to 9am Friday, widespread rainfall totals of 30 to 50mm were reported about the Derwent catchment, with the highest total of 98mm at Interlaken. Rainfall totals of 15 to 25mm have been observed since 9am Friday.

Strong flows may be a hazard throughout the Derwent catchment for the next few days.

River Derwent above River Ouse:
River rises are expected in the upper reaches of the River Derwent above the River Ouse during Friday.

River Ouse:
Minor flooding is occurring along the River Ouse.

The River Ouse at Ashton is currently at 2.55 metres and rising. The River Ouse at Ashton is expected to remain above the minor flood level (2.40 m) overnight Friday into Saturday.

The River Ouse at Ouse is likely to remain above the minor flood level (4.00 m) Friday evening.

River Clyde:
Minor flooding is occurring along the River Clyde.

The River Clyde at Bothwell is currently at 2.67 metres and steady. The River Clyde at Bothwell is expected to remain above the minor flood level (2.00 m) overnight Friday into Saturday.

The River Clyde at Hamilton is expected to exceed the minor flood level (2.40 m) Friday evening.

River Derwent above Meadowbank Dam:
River rises are likely in the middle reaches of the River Derwent above Meadowbank Dam during Friday.

Tyenna River:
River rises have occurred in the Tyenna River during Friday and are now easing.

Styx River:
Minor flooding has eased at the Styx River at Bruces Bridge.

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 4.28 metres and rising. The River Derwent below Meadowbank Dam is expected to peak between 5.50 and 5.80 metres overnight Friday into Saturday.

The River Derwent at Macquarie Plains is currently at 1.78 metres and rising. The River Derwent at Macquarie Plains is expected to exceed the minor flood level (4.00 m) overnight Friday into Saturday. The river level may peak between 4.30 and 4.60 metres Saturday morning.

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

The River Derwent at New Norfolk is currently at 0.98 metres and rising. The River Derwent at New Norfolk may exceed the minor flood level (2.00 m) Saturday 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 9am on Saturday 01 October 2016.

Latest River Heights:

LocationHeight of River (m)TendencyDate/Time of Observation
River Derwent below Lake St Clair0.87Steady05:30 PM FRI 30/09/16
River Ouse at Ashton2.55Steady05:00 PM FRI 30/09/16
River Ouse at 3B Weir3.06Steady05:30 PM FRI 30/09/16
River Clyde at Bothwell2.67Steady04:00 PM FRI 30/09/16
River Derwent below Meadowbank Dam4.89Rising05:30 PM FRI 30/09/16
River Derwent at Macquarie Plains1.78Rising05:43 PM FRI 30/09/16
Tyenna River at Newbury1.15Steady04:15 PM FRI 30/09/16
Styx River at Bruces Bridge1.90Falling04:24 PM FRI 30/09/16
River Derwent at New Norfolk1.00Rising06:00 PM FRI 30/09/16

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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