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Flood watch for the Derwent Valley

Bureau of Meteorology, Tasmania

Note: This Flood Watch is a “heads up” for possible future flooding and is NOT a Flood Warning.

Flood Watch for Furneaux Islands, North East, East Coastal, South East, Derwent and Huon catchments

Issued at 10:45 am EDT on Wednesday 24 March 2021

By the Bureau of Meteorology, Hobart. Flood Watch Number: 2

Widespread minor to moderate flooding is possible from Wednesday afternoon. A low pressure system is bringing rain to north eastern, eastern and southern Tasmania during Wednesday, with heavier rainfall forecast to commence around midday. Catchments across the state are generally dry to very dry. Parts of some catchments in the south are wet, notably the upper Huon.

In the 24 hours to 9 am Tuesday, widespread rainfall of up to 10 mm was recorded across the state with 15-20 mm in the northeast and 30-60 mm in northeastern elevated areas (Gray 55 mm, Mt Victoria 59 mm). A further 70-100 mm is forecast along eastern coastal areas from midday Wednesday through to midday Thursday, with isolated totals of up to 200 mm in elevated areas. Rainfall of 40 to 70 mm is forecast over the same period in the southeast, with isolated totals of 100 mm possible in elevated areas.

River rises are expected with the forecast rainfall, and widespread minor to moderate flooding is possible from Wednesday afternoon. Localised flooding is also expected in areas that receive heavy rainfall. Strong and dangerous flows may be a hazard for coming days.

Minor flood warnings are current for the South Esk and the Macquarie Rivers.

Catchments likely to be affected include:

Furneaux Islands
North Esk River
South Esk River
Macquarie River
East Coastal Rivers (north of Bicheno)
Ringarooma River
Tamar (Launceston)
Huon River (including Mountain River)
Channel Coastal Rivers (South East Cape to Gordon)
Derwent River (Ouse and Clyde)
Jordan River
Coal River
East Coastal Rivers (south of Bicheno)
South East

Note: This Flood Watch is a “heads up” for possible future flooding and is NOT a Flood Warning. The Bureau of Meteorology does not provide a flood warning service for all of the catchments covered by this flood watch. For more information on the Flood Watch Service: http://www.bom.gov.au/water/floods/floodWarningServices.shtml

For the latest warnings see www.bom.gov.au/tas/warnings

For the latest rainfall and river level information see www.bom.gov.au/tas/flood

For the latest weather forecast see www.bom.gov.au/tas/forecasts

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 Flood Watch will be issued by 11:00 am EDT on Thursday 25 March 2021.

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