Madeleine West has made an emotional appeal for more volunteers to help clean up in the wake of the floods which have wreaked havoc in Northern NSW.

Posting a video filmed in the wreckage strewn streets of Lismore's CBD Online Shop, the former Neighbours star broke down several times as she made her brief message.

'Its really, really bad,' she said on Friday.

'I don't know how to describe the devastation.'