Thursday, July 14, 2016

Update: minor flood warning

Bureau of Meteorology, Tasmania

Minor Flood Warning for the River Derwent

Issued at 4:41pm on Thursday 14 July 2016
Flood Warning Number: 2

Minor flooding is likely develop in the lower Derwent catchment below Meadowbank Dam and some tributaries by Friday morning. Minor flooding may extend downstream to New Norfolk during Friday afternoon.
In the 7 hours since 9am as much as 26mm of rain has been recorded in the Upper Derwent catchment. Rainfall totals of 20 to 50mm are forecast for the remainder of Thursday into Friday morning with higher totals possible about elevated areas. Snow melt is expected to increase flood levels during the next 24 hours.
Strong and dangerous flows may be a hazard throughout the Derwent catchment during Thursday and Friday.

River Derwent above River Ouse:

Strong river rises are likely throughout the Upper Derwent catchment overnight Thursday into Friday.

River Ouse:

Minor flooding is not expected in the River Ouse.
River levels are expected remain below the Minor flood level at Ashton.
River levels are expected remain below the Minor flood level at Ouse.

River Clyde:

Minor flooding is not expected in the River Clyde.
River levels are expected remain below the Minor flood level at Bothwell.
River levels are expected remain below the Minor flood level at Hamilton.

River Derwent above Meadowbank Dam:

Minor flooding may develop in the middle reaches of the River Derwent by Friday morning.

Tyenna River:

Strong rises are likely in the Tyenna River during Thursday afternoon into Friday.

Styx River:

Minor flooding developed in the Styx River during Thursday afternoon, with continued strong rises expected.

River Derwent below Meadowbank Dam:

Minor flooding is likely along the River Derwent below Meadowbank Dam.
The River Derwent below Meadowbank Dam is currently at 2.72 metres and steady. The River Derwent below Meadowbank Dam is likely to exceed the minor flood level (4.10 m) Friday morning.
The River Derwent at Macquarie Plains is currently at 1.75 metres and rising. The River Derwent at Macquarie Plains may exceed the minor flood level (4.00 m) Friday afternoon.

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) Friday afternoon. Tidal effects around New Norfolk will affect the timing and magnitude of the peak.

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 Friday 15 July 2016.

Latest River Heights:

LocationHeight of River (m)TendencyDate/Time of Observation
River Ouse at Ashton1.39Steady03:30 PM THU 14/07/16
River Ouse at 3B Weir1.16Steady04:00 PM THU 14/07/16
River Clyde at Bothwell1.13Steady04:00 PM THU 14/07/16
River Derwent below Meadowbank Dam2.73Steady04:00 PM THU 14/07/16
River Derwent at Macquarie Plains1.78Rising04:21 PM THU 14/07/16
Tyenna River at Newbury1.01Rising04:00 PM THU 14/07/16
Styx River at Bruces Bridge2.45Rising04:34 PM THU 14/07/16
River Derwent at New Norfolk1.33Steady04:04 PM THU 14/07/16

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