Potentially historic flooding is underway in the Mississippi and Ohio valleys. Particularly dangerous and life-threatening flash flooding situation in an area that stretches from Arkansas to Kentucky.

First responders rescue teenage boy from floodwaters after vehicle swept away on bridge on April 4, in Jackson, Mo. This is along E. Independence Street where the Hubble Creek crosses.

Local property owners were working with heavy equipment to remove piles of debris left by the flooding when they found the remains.

Middle and West Tennessee has been inundated with rain the last few days and there is more to come. Weather service warns of more flooding on already saturated ground.

TOSHA said the company "exercised reasonable diligence" on the day of the flooding and told employees to leave the work site before the flooding intensified.

The search for a missing Sydney man believed to have been swept into floodwaters when the Barnard River broke its banks at Gloucester under heavy rain at the weekend, will continue on Wednesday, Police have confirmed.

As a raft of flood warnings remain in place on Sunday for vast areas of Queensland and NSW, an elderly man was missing after being swept away in floodwaters.