It is official — 2022 is Sydney’s wettest 12 months on file


This 12 months is formally Sydney’s wettest on file after one more downpour over the climate station within the CBD the place information is gathered.

A whole of two,199.8 millimetres of rain has been recorded at Observatory Hill within the 12 months to 1.10pm at present.

Sydney’s earlier rainfall file was set in 1950, when 2,194.0mm was dumped over town.

Climate data have been stored at Observatory Hill since 1858.

A band of heavy rain is at present sitting over the jap a part of Sydney however is predicted to maneuver off the coast later this afternoon, bringing a short-term reprieve.

Sydney has smashed the moist climate file and extra rain is on the way in which.(ABC Information: Harriet Tatham)

Nevertheless, one other band of heavy rain is brewing and intense downpours are predicted over the weekend, with Saturday set to carry essentially the most harmful circumstances.

Some places throughout the state are anticipated to see nicely over 100mm of rain between now and Sunday night time.

Catchments are already saturated and dams are full, with flood warnings for many rivers throughout the state.

The Bureau of Meteorology’s (BOM) Gabrielle Woodhouse mentioned the riverine and flash flooding threat over the weekend was “vital”, notably alongside the coast.

“[The system coming] is kind of a major and critical system,” she mentioned.

“And the flooding we’re taking a look at appears as if its going to be extra vital than what we’ve have been seeing over the past 12 months.”

Hawesbury Flooding Windsor
Floodwaters from the swollen Hawkesbury River inundated Windsor in March.(AAP: Dan Himbrechts)

Ms Woodhouse mentioned there may also be a extreme thunderstorm threat within the far west, with potential tremendous cells, and main flooding anticipated throughout the Western Slopes.

“These storms are fairly extreme in nature and so they can carry the danger of heavy rain, flash flooding, damaging winds and hail.”

She mentioned that system would transfer off the coast by Sunday.

Japanese Australia is at present enduring its third La Niña in a row, which brings wetter than common circumstances.

Having two La Niñas in a row is widespread however three is way extra uncommon and local weather scientists have warned individuals to arrange for the worst this summer season.

Sydney has been saturated all 12 months attributable to La Niña occasions and again in March the Harbour Metropolis had already seen 70 per cent of the common rainfall.

There have been a number of flood emergencies this 12 months, with residents within the Hawkesbury-Nepean compelled to evacuate 4 occasions.



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