Debris threat for NSW fire areas rainwater

By Heather McNab
Updated January 20 2020 - 10:33pm, first published 10:29pm
Damaging winds, large hailstones and heavy rainfall have hit parts of NSW.
Damaging winds, large hailstones and heavy rainfall have hit parts of NSW.

Rainfall run-off in NSW's fire-affected areas may bring flash flooding filled with debris as severe thunderstorms hit Sydney, Newcastle and Wollongong on Monday.