Thursday, August 22, 2019

Thursday weather warning wrap

Minor Flood Warning | Warning to Sheep Graziers | Damaging Winds Warning | Gale Warning (click for the latest updates and for the full marine wind warnings)


Australian Government Bureau of Meteorology

Severe Weather Warning

for DAMAGING WINDS

For people in King Island, Furneaux Islands, Western, Upper Derwent Valley, South East, North West Coast, Central Plateau and parts of East Coast, Central North and Midlands Forecast Districts.
Issued at 10:51 pm Wednesday, 21 August 2019.
DAMAGING WINDS POSSIBLE WEDNESDAY NIGHT INTO THURSDAY MORNING.
Plan Image
Weather Situation:
Strong and gusty southwesterly winds will increase during Wednesday evening as a cold front crosses Tasmania.
DAMAGING SOUTHWESTERLY WINDS are possible in western, southern and central areas, as well as over the Bass Strait islands and lower east coast. DAMAGING WINDS averaging 60 to 70 km/h with peak gusts near 100 km/h are possible, although exposed coastal locations and elevated areas above 400 metres may experience gusts over 110 km/h.
Winds are expected to ease during Thursday morning.
Locations which may be affected include Burnie, Swansea, Strahan, New Norfolk, Hobart and Dover.
Maximum wind gust observations over the past 6 hours include: 131 km/h Mount Read, 119 km/h Cape Grim, 104 km/h Cape Sorell, 94 km/h Low Rocky Point.
The State Emergency Service advises that people should:
* Supervise children closely.
* Check that family and neighbours are aware of warnings.
* Manage pets and livestock.
* Secure outdoor items including furniture and play equipment.
* Be prepared in case of power outages and report any outages to TasNetworks on 132 004.
* Beware of damaged trees and power lines and take care when driving.
* Listen to the ABC radio or check www.ses.tas.gov.au for further advice.
* For emergency assistance contact the SES on 132500.
The next Severe Weather Warning will be issued by 5am Thursday.
Warnings are also available through TV and Radio broadcasts, the Bureau's website at www.bom.gov.au or call 1300 659 210. The Bureau and State Emergency Service would appreciate warnings being broadcast regularly.

Warning to Sheep Graziers

for the Furneaux Islands, North West Coast, North East, Midlands, East Coast, Upper Derwent Valley and South East forecast districts
Issued at 10:12pm on Wednesday 21 August 2019.
Sheep graziers are warned that cold temperatures, showers and strong southwesterly winds are expected during Wednesday and Thursday. Areas likely to be affected include the Furneaux Islands, Midlands, East Coast, Upper Derwent Valley and South East forecast districts and parts of the North West Coast and North East forecast districts. There is a risk of losses of lambs and sheep exposed to these conditions.
The next warning will be issued by 5am Thursday.

Initial Minor Flood Warning for the River Derwent

Issued at 10:44am on Wednesday 21 August 2019
Flood Warning Number: 1
Minor flooding may develop along the lower Derwent River below Meadowbank Dam during Wednesday. Flooding is not expected to extend downstream to Macquarie Plains and New Norfolk.
In the 24 hours to 9 am Wednesday, widespread rainfall totals between 10-40 mm were observed in the Derwent River catchment, with isolated higher totals up to 67 mm at Narcissus River.
Widespread rainfall totals of 10-20 mm are forecast for the remainder of Wednesday and 5-15 mm for Thursday. No significant rainfall is forecast for Friday.
River levels are high in the upper Derwent, Nive, Florentine, Tyenna, Styx and Plenty Rivers.
Strong and dangerous flows will be a hazard over the next couple of days.

River Derwent above River Ouse:

Strong river rises are occurring in the upper River Derwent and its tributaries.

River Derwent above Meadowbank Dam:

Strong river rises are occurring in the middle reaches of the River Derwent.

Tyenna River:

Strong river rises are occurring in the Tyenna River.

Styx River:

Minor flooding has eased along the Styx River about Bruces Bridge.

River Derwent below Meadowbank Dam:

Minor flooding may occur along the River Derwent below Meadowbank Dam.
The River Derwent below Meadowbank Dam is currently at 3.77 metres and steady. The River Derwent below Meadowbank Dam may reach the minor flood level (4.10 m) during Wednesday.
The River Derwent at Macquarie Plains is currently at 2.17 metres and rising. The River Derwent at Macquarie Plains is expected to remain below the minor flood level (4.00 m) during Wednesday.

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 11:30am on Thursday 22 August 2019.

Latest River Heights:

LocationHeight of River (m)TendencyDate/Time of Observation
River Derwent below Lake St Clair2.19Steady10:00 AM WED 21/08/19
River Ouse at Ashton0.93Rising10:00 AM WED 21/08/19
River Ouse at 3B Weir0.79Steady10:00 AM WED 21/08/19
River Clyde at Bothwell0.07Steady10:00 AM WED 21/08/19
River Derwent below Meadowbank Dam3.77Steady10:15 AM WED 21/08/19
River Derwent at Macquarie Plains2.18Rising10:25 AM WED 21/08/19
Tyenna River at Newbury1.51Falling10:15 AM WED 21/08/19
Styx River at Bruces Bridge1.50Falling10:29 AM WED 21/08/19
River Derwent at New Norfolk1.03Falling10:22 AM WED 21/08/19
This advice is also available by dialling 1300 659 210. 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.

Marine Wind Warning Summary

Issued at 10:16pm on Wednesday 21 August 2019
for the period until midnight Thursday 22 August 2019.

Wind Warnings for Wednesday 21 August

Gale Warning for the following areas:
Frederick Henry Bay and Norfolk Bay, Storm Bay, Central Plateau Lakes, Far North West Coast, Central North Coast, Banks Strait and Franklin Sound, East of Flinders Island, Upper East Coast, Lower East Coast, South East Coast, South West Coast and Central West Coast
Strong Wind Warning for the following areas:
Derwent Estuary, Channel and South West Lakes

Wind Warnings for Thursday 22 August

Gale Warning for the following areas:
Derwent Estuary, Frederick Henry Bay and Norfolk Bay, Storm Bay, Channel, Central Plateau Lakes, Far North West Coast, Central North Coast, Banks Strait and Franklin Sound, East of Flinders Island, Upper East Coast, Lower East Coast, South East Coast, South West Coast and Central West Coast
Strong Wind Warning for the following area:
South West Lakes
The next marine wind warning summary will be issued by 5am Thursday.
Check the latest Coastal Waters Forecast or Local Waters Forecast for information on wind, wave and weather conditions for these coastal zones.

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