Crazy storm pounding Sydney

Written By komlim puldel on Sabtu, 06 Desember 2014 | 20.01

More thunderstorms forecast for much of the state this weekend.

This is not the apocalypse. Well, maybe just a bit. Source: News Corp Australia

UPDATE: Storms and rain has hit Sydney earlier than expected with areas expected to be hit by multiple storms.

A spokesperson for the Bureau of Meteorology told news.com.au that a line of thunderstorms is now moving into the central parts of Sydney.

The heavy downpour initially hit western Sydney around 5pm. The V8 Supercars race in Olympic Park has been suspended due to unsafe driving conditions.

BOM said it was expecting heavy rainfalls with the potential for multiple storms over one location. But happily for residents, the ferocity of the wind is not expected to reach the levels seen over previous days.

The spokesperson added: "What we're seeing is a continuation of already unsettled conditions across NSW all week. In Sydney in particular, we have had quite heavy rainfalls and this is similar."

According to Ausgrid, around 900 homes in north west Sydney are without power.

EARLIER: IF you've been in Canberra, Sydney or Brisbane in recent days and weeks, you've seen storms just about every afternoon and they're not over yet.

This weekend, more severe thunderstorms, hail and powerful winds are expected in New South Wales set to last until early next week. Saturday is likely to be the worst day with heavy rains across one third of the state.

On Saturday afternoon, the Bureau of Meteorology issued a severe thunderstorm warning for much of NSW. The agency cautioned that the state might be hit with hail larger than 2cm, winds stronger than 90km an hour and flash flooding.

Sydney looks to, for the time being, escape from the worst of it with the storm potentially clipping the outer western edges of the city. But there is potential for the storm to expand into the Sydney metro area later this afternoon or in the evening.

The warning was for the Illawarra, South Coast, Central Tablelands, Southern Tablelands, Central West Slopes and Plains, South West Slopes, Riverina, Snowy Mountains, ACT and parts of the Hunter, North West Slopes and Plains, Lower Western and Upper Western Forecast Districts.

MORE: 7-day forecast

MORE: Electric week is set to continue

It comes after three days of severe weather in New South Wales that saw the State Emergency Service receive about 300 calls for help overnight and has led to thousands of volunteers being put on standby.

Crews will be stationed at flash-flood hotspots in Sydney, while the Belubula River in the central west region will be on flood watch on Saturday.

"Definitely not a good afternoon for golf tomorrow," SES spokesman Phil Campbell said.

"While it's still sunny, clean your gutters and downpipes, secure loose items in your yard or balcony like trampolines and also check your roof is in good repair."

Meanwhile large hailstones, heavy rain and damaging winds have been forecast for Brisbane and parts of southeast Queensland, just a week after a supercell smashed the city causing up to $1 billion worth of damage according to Brisbanes's Lord Mayor Graham Quirk.

Queensland's Bureau of Meteorology says severe thunderstorms have hit parts of Brisbane's outer northwest, including Mount Nebo, Highvale and the D'Aguilar Ranges.

"These thunderstorms are moving towards the northeast," it says. "Damaging winds, heavy rainfall that may lead to flash flooding and large hailstones are likely."

Sydney radar this Friday arvo. Bring your brolley! Source: NewsComAu

But why is it so bad?

We put that question to Chris Webb, forecaster at the Bureau of Meteorology in Sydney. He started spouting confusing weather jargon at us like these people often do so we said, whoa, slow down and talk English please.

This he eventually did and we now translate for your reading pleasure.

Basically, the wind has been blowing from the north all week. That makes it hot. That northerly wind has also been carrying a bunch of moisture and humidity down from Queensland. That makes it sticky.

There has also been a trough in central New South Wales. No, not a big thing that cattle are all drinking from, but a part of the atmosphere which has low air pressure, and which is therefore acting like a giant basin where all the air converges.

All that air has to go somewhere. So what happens is, it goes up. That turns the moisture into liquid for a bunch of reasons which you probably learned in school. And because it's all unstable, you get heaps of thunder and lightning as part of the show.

A montage of lightening strikes in Sydney by photograher Roland Taylor. Source: Supplied

Spooky. Source: TWITTER @kwogowitch Source: Twitter

Anyway, what you really want to know is: are we going to have storms that ruin your BBQ tomorrow? Sadly the answer is probably yes. Maybe have your barbie early in the day or soemthing.

And take care if there's lightning around, won't you. The SES is warning people to keep clear of fallen power lines, storm drains and creek beds. They're also advising people not to ride their bike or walk through river or flood water.

For more information, visit the Bureau of Meterology's website at www.bom.gov.au.

As for next week, it's looking drier at this stage, which is good news.

Visit Roland Taylor's Facebook page for more amazing storm photography here


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