Sydney braces for impending flood surge Extreme rain storms that have killed at least 10 people along Australia’s east coast have been dubbed a “one-in-a-thousand-year event” 200km 124 miles QUEENSLAND Brisbane Gold Coast Lismore Hundreds of people trapped in homes, many forced onto rooftops Grafton Coffs Harbour NEW SOUTH WALES Port Macquarie Newcastle Gosford Sydney Wettest summer in 30 years. Could see one month’s rainfall in 6-hour period Wollongong Canberra Queensland hit by 80% of annual rainfall in 3 days 24-hour rainfall (to 2200GMT, Mar 1) 100mm+ 50-99mm 25-49mm 10-24mm 0.2-9mm Perth WA NT SA Adelaide QLD NSW Melbourne VIC Brisbane Sydney TAS 2021-2022: East coast dominated by La Nina climate pattern for two years in succession Sources: Australian Bureau of Meteorology, CNN, Times © GRAPHIC NEWS