Cyclonic conditions have hit Australia, killing three people. Rainfall in excess of 300 millimetres fell in less than 24 hours in a town north of Sydney. This amounts to approximately six times the normal yearly precipitation. Homes were lifted off their foundations and washed away by flood waters in the town of Dungong.
Electricity to over 200 000 customers in the state was disrupted and evacuation alerts were issued.
Winds of 100km have stripped tonnes of sand off famous Bondai Beach. Sydney has been hard hit as well. A deep low pressure system is stalled to the east of the coast and has been battering the city for the past three days. Another big storm is poised to hit the area from the north in the next few hours.
Ferry service in the Sydney area has been cancelled due to the high winds and rough seas. A rogue wave of 11metres(36 feet) was reported. The cruise ship Carnival Spirit carrying 2500 passengers was unable to enter Sydney Harbour due to the dangerous conditions. They are hoping for a chance to disembark their people on Wednesday morning.
Sydney Harbour Master Captain Philip Holliday stated that this was the first time that he had to close the harbour due to weather.
Small increases in global temperatures can translate into extreme weather events. NOAA has released its measurements of global temperatures for March. It has been the hottest March since 1880. It is expected that droughts will be longer and more severe. Wind speeds will increase. When rain falls, it will deliver more water that what is usual now.
As the world continues to warm, some agricultural land may be abandoned, people may be forced from their homes to become migrants, tropical disease vectors may also spread into new areas. As often happens in making predictions, many of the changes are as yet unknown.
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