MODERATE FLOOD BULLETIN # 37 Lachlan River at Nanami, Forbes, Cottons Weir and Euabalong Issued: Saturday 28 August 2021 at 12:00pm
What is happening?
MINOR FLOODING OCCURRING AT NANAMI, COTTONS WEIR AND JEMALONG
MINOR FLOODING LIKELY AT FORBES SATURDAY
MODERATE FLOODING LIKELY AT COTTONS WEIR AND JEMALONG FROM SUNDAY
Recent rainfall over the Lachlan River catchment area has caused minor flooding along the Lachlan River at Nanami, Cottons Weir and Jemalong.
There is the potential of moderate flooding along the Lachlan River at Cottons Weir and Jemalong from Sunday into early next week.
Longer duration peak river levels are expected at forecast locations. Predictions for locations downstream of Jemalong will be provided once the upstream peaks are observed.
The main flood peak from the previous rainfall event is now downstream of Euabalong, where the river level peaked on Wednesday with minor flooding likely continuing.
The Lachlan River at Hillston is expected to remain below the minor flood level (2.40 metres). What we are expecting:
Lachlan River downstream of Wyangala Dam to Jemalong Weir:
Minor flooding is occurring along the Lachlan River at Nanami, Cottons Weir and Jemalong. Moderate flooding is likely at Cottons Weir and Jemalong.
The Lachlan River at Nanami is currently at 8.95 metres and steady, with minor flooding. The Lachlan River at Nanami is expected to remain around 8.95 metres Saturday into Sunday.
The Lachlan River at Forbes Iron Bridge is currently at 8.71 metres and rising. The Lachlan River at Forbes Iron Bridge is expected to exceed the minor flood level (8.80 m) around 03:30 pm Saturday, with minor flooding. The river level may reach the moderate flood level (9.50 m) Sunday morning.
The Lachlan River at Cottons Weir is currently at 4.77 metres and rising, with minor flooding.
Issued By: Sally Smith, Incident Controller P: (02) 6841 3160 Issued By: Barry Griffith, Zone Duty Commander E: [email protected] P: (02) 42478098
The Lachlan River at Cottons Weir is likely to reach the moderate flood level (5.30 m) during Sunday, with moderate flooding.
The Lachlan River at Jemalong Weir Downstream is currently at 7.27 metres and rising, with minor flooding. The Lachlan River at Jemalong Weir Downstream may reach the moderate flood level (7.50 m) during Monday.
Lower Lachlan River downstream of Jemalong Weir to Euabalong:
Minor flooding is occurring at Euabalong.
The Lachlan River at Euabalong peaked around 6.48 metres on Wednesday. River levels are falling with minor flooding continuing. What you need to do: Should river heights continue to rise residents need to consider the impact of potential isolation.
Farmers and landholders in those areas are advised to relocate livestock, pumps and machinery to higher ground. Waste and chemical containers should be located well above predicted flood levels.
Nanami Peak Height Minor - Landholders adjacent to the river east and west of Gooloogong have access problems and low lying land start to become affected and Kangarooby Creek could flood Gooloogong-Cowra Road (Lachlan Valley Way).
Forbes Iron Bridge Peak Height Minor – during Saturday and may reach Moderate Sunday 29th August - The Park on Lake Forbes floods including footpaths, Low lying areas adjacent to the river can flood, Multiple roads are likely to be flooded including Gooloogong road at Dukes Crossing, Wirrinya Road at the Dog and Duck Crossing on Bundaburrah Creek, Grenfell road (Henry Lawson Way) at Muddy Lagoon. Caravans and campers need to move away from low lying areas.
Cottons Weir Peak Height Minor – may reach Moderate during Sunday 29th August - A number of roads are flooded including the Forbes-Gooloogong road (Lachlan Valley Way) at Dukes Crossing and the Forbes-Old Grenfell road (Henry Lawson Way) at Muddy Lagoon/Bundaburrah Creek, New Grenfell Road at Bundaburrah Creek and the Escort Way - preventing access south and east between Forbes, Grenfell, Gooloogong and Eugowra. Alternative access available via the Newell Highway. Water may be across North Condobolin Road at “Little Plains”.
Jemalong Weir height Minor – may reach Moderate during Monday 30th August – Farmers should move pumps and stock, Water will be across the Bedgerebong Road at Little Plains, Water will be crossing the Forbes-Condobolin Road at Jemalong homestead.
Euabalong Peak Height Minor - The Booberoi Road (Euabalong - Condobolin- road via Booberoi is closed at Gunnebang (5.40 metres at the Kiacatoo gauge). Access to Booberoi is still available on this road. Access to Condobolin is still available via Lachlan Valley Way but will close with further river rises.
Rural flooding begins to affect the access of some landholders to properties adjacent to the river.
Issued By: Sally Smith, Incident Controller P: (02) 6841 3160 Issued By: Barry Griffith, Zone Duty Commander E: [email protected] P: (02) 42478098
For emergency help in floods and storms, call the NSW State Emergency Service on 132 500. In life threatening situations call triple zero (000) immediately.
Latest River Heights for the Lachlan River: Location Height of River (m)Tendency Date/Time of Observation
Boorowa River at Prossers Crossing 1.43 Falling 11:30 AM SAT 28/08/21
Lachlan River at Cowra 7.06 Steady 11:30 AM SAT 28/08/21
Lachlan River at Nanami 8.94 Steady 11:30 AM SAT 28/08/21
Lachlan River at Forbes Iron Bridge 8.74 Rising 11:00 AM SAT 28/08/21
Lachlan River at Cottons Weir 4.79 Rising 11:30 AM SAT 28/08/21
Lachlan River at Jemalong Weir Downstream 7.29 Rising 10:45 AM SAT 28/08/21
Lachlan River at Condobolin Bridge 3.51 Rising 11:00 AM SAT 28/08/21
Lachlan River at Hillston Weir 2.02 Steady 11:00 AM SAT 28/08/21
Lachlan River at Booligal Weir 2.12 Steady 11:00 AM SAT 28/08/21
For more information: • Listen to your local ABC radio station, follow /NSWSES on Facebook or www.ses.nsw.gov.au • Latest Weather, Warnings, Rainfall and River heights: www.bom.gov.au/nsw/ • Road Closures: www.livetraffic.com.au , 131 701 or Refer to stakeholder websites for current information. E.g. links to Council websites for current road closures information: Bland Shire road conditions (Lake Cowal area), Cobar Shire road conditions (Euabalong area) and Lachlan Shire road conditions (Condobolin and Lake Cargelligo).
The next bulletin will be issued by 12:00pm on Sunday 29 August 2021.
Issued By: Sally Smith, Incident Controller P: (02) 6841 3160 Issued By: Barry Griffith, Zone Duty Commander E: [email protected] P: (02) 42478098