Source: Bureau of Meteorology

For people in parts of North West Slopes and Plains and Northern Tablelands Forecast Districts.

Issued at 4:45 pm Monday, 29 November 2021.

Heavy rainfall areas possible over northern parts of the state on Tuesday.

Weather Situation: A surface trough is forecast to deepen in response to an approaching upper level trough and embedded low overnight tonight and into Tuesday. A tropical airmass with abundant moisture will be in place ahead of these features.

HEAVY RAINFALL which may lead to flash flooding is forecast to develop on Tuesday morning over northern parts of the Northern Tablelands, and North West Slopes and PLains. Six-hourly rainfall totals between 50 to 70 mm are possible. Isolated heavier falls are also possible with thunderstorms.

A Flood Watch and multiple Flood Warnings are current over parts of the warning area. See http://www.bom.gov.au/nsw/warnings/ for more information.

Locations which may be affected include Tenterfield, Liston, Drake, Emmaville, Boggabilla and Ashford.

The State Emergency Service advises that people should:
* Don't drive, ride or walk through flood water.
* Keep clear of creeks and storm drains.
* If you are trapped by flash flooding, seek refuge in the highest available place and ring 000 if you need rescue.
* Be aware that run-off from rainfall in fire affected areas may behave differently and be more rapid. It may also contain debris such as ash, soil, trees and rocks.
* After bushfires, heavy rain and the loss of foliage can make the ground soft and heavy, leading to a greater chance of landslides.
* Stay vigilant and monitor conditions. Note that the landscape may have changed following bushfires.
* For emergency help in floods and storms, ring your local SES Unit on 132 500.