Tuesday, August 20, 2019

Derwent flood watch updated

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 North West and Derwent catchments


Issued at 11:29 am on Tuesday 20 August 2019

By the Bureau of Meteorology, Hobart.

Flood Watch Number: 2

Flooding is possible at some forecast locations in the North West and Derwent catchments from Wednesday morning. A Minor Flood Warning is current for the Huon River.

A strong westerly to southwesterly flow will persist over Tasmania for the next couple of days, with embedded fronts.

Catchments are wet from winter rainfall.

In the 24 hours to 9 am Tuesday, widespread rainfall totals of 5-45 mm were recorded in the flood watch catchments, with isolated higher totals up to 86 mm at Cradle Valley.

Widespread rainfall totals of 20-50 mm are forecast for Tuesday, with higher totals up to 80 mm possible in elevated areas. Additional totals of 15-25 mm are forecast for Wednesday,

Showers are expected to clear during Thursday.

Minor flooding is occurring along the Styx River (in the Derwent catchment). Additional river rises and flooding is possible at some forecast locations from Wednesday morning, based on observed and forecast rainfall.

Catchment specific warnings will be issued if and when required.


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

Catchments likely to be affected include:

Mersey River

Forth River

Northwest and Central Coastal Rivers

Arthur River

Channel Coastal Rivers (South East Cape to Gordon)

Derwent River
(including Ouse)


Flood warnings are current for the following catchments: Huon River.

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 11:30am on Wednesday 21 August 2019.

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