Friday, August 1, 2014

Latest on the minor flooding

Australian Government Bureau of Meteorology Tasmania
RENEWED WARNING

MINOR FLOOD WARNING FOR RIVER DERWENT

Issued at 3:08 pm EST on Friday 1 August 2014
by the Bureau of Meteorology, Hobart
Flood Warning Number: 4
Minor flooding has developed about New Norfolk this afternoon and is expected to continue overnight Friday.
High levels of Minor flooding continue throughout the middle reaches of the River Derwent and in the lower reaches below Meadowbank Dam following heavy rain across the catchment in the past three days.
Strong rises have been observed in most tributaries of the River Derwent. River levels will remain high during Friday. Storages in the Derwent system are quite full with several dams currently spilling.
No further significant rainfall is forecast today, with snow falling about elevated areas. Snow melt is expected to maintain high river levels over the weekend, with renewed rises possible.

Derwent above Ouse River

Strong river rises have been recorded in the majority of the upper River Derwent. The River Derwent at Glendhu peaked overnight near the Moderate flood level (5.0 metres) and is now easing slowly. Minor flooding to continue easing during Friday.

Ouse River

Minor flooding developed in the Ouse River at Ashton overnight, with a peak of about 2.4 metres. River levels have now fallen below the Minor flood level and will continue to ease slowly during Friday. River levels are expected to remain below minor flood level at Ouse township.

Clyde River

Small river rises remaining below the Minor Flood Level.

Below Meadowbank Dam

High levels of Minor flooding continue in the Lower River Derwent below Meadowbank Dam this afternoon. River levels throughout the lower reaches are currently steady near the expected peak and will start to ease slowly over the weekend. Strong river rises have been observed about Macquarie Plains where the Minor flood level (4.0m) was exceeded early this morning.

Tyenna River

River levels Tyenna River will continue to ease today. Localised flooding in adjacent creeks and surrounding low lying areas in the lower Tyenna River about Westerway to continue during Friday due to high levels in the Derwent.

Styx River

River levels in the Styx will continue to ease today. Localised flooding in adjacent creeks and surrounding low lying areas in the lower Styx River around Bushy Park and Glenora expected to continue during Friday due to high levels in the Derwent.

New Norfolk

Minor flooding has developed in the Derwent about New Norfolk this afternoon. Minor flooding is expected to continue overnight Friday with tidal variation at New Norfolk to maintain high river levels. Localised flooding in adjacent creeks and surrounding low lying areas of the River Derwent is expected to continue over the weekend.

Predicted River Heights/Flows:

Based on observed and forecast rainfall, the following river peak heights are predicted:
River Derwent at New Norfolk 2.0 - 2.4m (MINOR) late Friday afternoon 01/08/2014
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.

Weather Forecast:

Showers easing.

Next Issue:

By 8PM on Friday 1 August 2014

Latest River Heights:

LocationHeight of RiverDate/Time of Observation
Derwent River below Lk St Clair2.49m steady03:05 AM FRI 01/08/14
Ouse River at Ashton1.93m steady01:30 PM FRI 01/08/14
Clyde River at Bothwell1.12m steady02:00 PM FRI 01/08/14
Derwent River below Meadowbank Dam5.63m steady02:00 PM FRI 01/08/14
Derwent River at Macquarie Plains4.62m steady02:36 PM FRI 01/08/14
TYENNA RIVER AT NEWBURY1.3m falling12:15 PM FRI 01/08/14
STYX RIVER AT BRUCES BRIDGE1.55m falling12:56 PM FRI 01/08/14
Derwent River near Bryn Estyn4.10m rising02:00 PM FRI 01/08/14
DERWENT RIVER AT NEW NORFOLK2.05m rising02:39 PM FRI 01/08/14
For the latest rainfall and river level information see www.bom.gov.au/tas/flood/

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