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#1445415 - 20/12/2017 16:50 Re: NSW - First summer heatwave of 2017, accompanied by thunderstorm activity 12/12/17 - 20/12/17 [Re: DerekHV]
Homer Offline
Meteorological Motor Mouth

Registered: 16/06/2007
Posts: 5856
Loc: Dural
Heavy rain and hail here now. Plenty of cg's as well.

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#1445416 - 20/12/2017 16:58 Re: NSW - First summer heatwave of 2017, accompanied by thunderstorm activity 12/12/17 - 20/12/17 [Re: DerekHV]
Long Road Home Offline
Meteorological Motor Mouth

Registered: 08/10/2007
Posts: 8520
Loc: Northern Beaches Syd
This one is looking and sounding dangerous. As soon as one of the media outlets said we wouldn't cop it as big as Melb yesterday, I knew we would

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#1445417 - 20/12/2017 16:59 Re: NSW - First summer heatwave of 2017, accompanied by thunderstorm activity 12/12/17 - 20/12/17 [Re: DerekHV]
Steve777 Offline
Weatherzone Addict

Registered: 20/10/2011
Posts: 4227
Loc: Artarmon (Sydney North Shore)
Getting dark and very noisy here. Frequent lightning and thunder, booms and crashes.

And what's the name of that other poster? Buggerthatwasclose! Multiple flash-bangs. No rain yet but it's not far away, that black cell near Pymble.

EDIT: heavy rain now, main strength passing to the North, however.


Edited by Steve777 (20/12/2017 17:07)

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#1445418 - 20/12/2017 17:02 Re: NSW - First summer heatwave of 2017, accompanied by thunderstorm activity 12/12/17 - 20/12/17 [Re: Long Road Home]
ashestoashes Offline
Weather Freak

Registered: 22/10/2017
Posts: 365
Loc: Voyager Point (South West Sydn...
Originally Posted By: Long Road Home
This one is looking and sounding dangerous. As soon as one of the media outlets said we wouldn't cop it as big as Melb yesterday, I knew we would

They should've known better given the northwest cloud band hanging around, this coupled with a cold front moving in.

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#1445420 - 20/12/2017 17:17 Re: NSW - First summer heatwave of 2017, accompanied by thunderstorm activity 12/12/17 - 20/12/17 [Re: DerekHV]
Rainbow Spirit Offline
Weather Freak

Registered: 10/11/2010
Posts: 564
Loc: Green Valley, just west of Liv...
All clear now, we got a whopping 3.5mm! Love the cool SE breeze though.

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#1445421 - 20/12/2017 17:22 Re: NSW - First summer heatwave of 2017, accompanied by thunderstorm activity 12/12/17 - 20/12/17 [Re: DerekHV]
Steve777 Offline
Weatherzone Addict

Registered: 20/10/2011
Posts: 4227
Loc: Artarmon (Sydney North Shore)
There's a severe thunderstorm warning out for the coast and Tablelands from Wollongong to Grafton for for LARGE HAILSTONES, DAMAGING WINDS and HEAVY RAINFALL, plus a detailed warning for cells near Colo Heights and Maroota, heading for Sydney's North.

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#1445422 - 20/12/2017 17:24 Re: NSW - First summer heatwave of 2017, accompanied by thunderstorm activity 12/12/17 - 20/12/17 [Re: Steve777]
Perfect Storm Offline
Weather Freak

Registered: 30/10/2005
Posts: 950
Loc: Carramar, Sydney, NSW
Steve777 which is funny Sydney is included because reading their Sydney forecast really doesn't give the impression of any notable inclement weather at all, lol.
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#1445423 - 20/12/2017 17:24 Re: NSW - First summer heatwave of 2017, accompanied by thunderstorm activity 12/12/17 - 20/12/17 [Re: DerekHV]
Sidney Offline
Weather Freak

Registered: 20/12/2013
Posts: 438
Loc: Macquarie fields ( South west ...
Looked at radar 10 mins ago it was completely clear for our area. Currently getting some massive drops.

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#1445424 - 20/12/2017 17:27 Re: NSW - First summer heatwave of 2017, accompanied by thunderstorm activity 12/12/17 - 20/12/17 [Re: DerekHV]
Long Road Home Offline
Meteorological Motor Mouth

Registered: 08/10/2007
Posts: 8520
Loc: Northern Beaches Syd
Good time for them to update that Syd forecast

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#1445425 - 20/12/2017 17:38 Re: NSW - First summer heatwave of 2017, accompanied by thunderstorm activity 12/12/17 - 20/12/17 [Re: DerekHV]
snowforus Offline
Weather Freak

Registered: 05/07/2012
Posts: 387
Loc: Lithgow 945m a.s.l. (Central T...
Down to 25C now.
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#1445426 - 20/12/2017 17:46 Re: NSW - First summer heatwave of 2017, accompanied by thunderstorm activity 12/12/17 - 20/12/17 [Re: DerekHV]
Wave Rider Offline
Meteorological Motor Mouth

Registered: 27/01/2014
Posts: 6877
Camden has had a spike to 30C in SW winds while the rest of Sydney, including hot Penrith are 25 degrees or less under that southerly/SEly change.


Edited by Wave Rider (20/12/2017 17:46)
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#1445427 - 20/12/2017 17:46 Re: NSW - First summer heatwave of 2017, accompanied by thunderstorm activity 12/12/17 - 20/12/17 [Re: Perfect Storm]
Homer Offline
Meteorological Motor Mouth

Registered: 16/06/2007
Posts: 5856
Loc: Dural
Originally Posted By: Perfect Storm
Steve777 which is funny Sydney is included because reading their Sydney forecast really doesn't give the impression of any notable inclement weather at all, lol.


Yeh, was thinking the same when I read the forecast issued at 4.44 pm.
They've been a bit slow off the mark today.
Maybe it's their Christmas Party day. smile

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#1445428 - 20/12/2017 17:47 Re: NSW - First summer heatwave of 2017, accompanied by thunderstorm activity 12/12/17 - 20/12/17 [Re: DerekHV]
Marts Offline
Weatherzone Addict

Registered: 10/01/2006
Posts: 2204
Loc: Mona Vale, northern beaches , ...
Had heavy rain and hail driving through Frenchs Forest on the way home. Some of the CG's were epic with one at Roseville making the traffic lights flash amber.

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#1445429 - 20/12/2017 17:50 Re: NSW - First summer heatwave of 2017, accompanied by thunderstorm activity 12/12/17 - 20/12/17 [Re: Wave Rider]
Homer Offline
Meteorological Motor Mouth

Registered: 16/06/2007
Posts: 5856
Loc: Dural
Originally Posted By: Wave Rider
Camden has had a spike to 30C in SW winds while the rest of Sydney, including hot Penrith are 25 degrees or less under that southerly/SEly change.


That's a good pickup WR. Quite unusual after such a strong southerly has passed through. Can't remember seeing something like that before.
Some of the wind gusts around the Metro and Illawarra were insane this afternoon.
Getting some loud rumbles again here from that storm passing to the north of here.

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#1445430 - 20/12/2017 18:04 Re: NSW - First summer heatwave of 2017, accompanied by thunderstorm activity 12/12/17 - 20/12/17 [Re: DerekHV]
Sidney Offline
Weather Freak

Registered: 20/12/2013
Posts: 438
Loc: Macquarie fields ( South west ...
Even campbelltown is at 28.3C now under a SE wind. Whats going on?

EDIT: nevermind it slowly turned SSW now 28.7C


Edited by Sidney (20/12/2017 18:07)

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#1445431 - 20/12/2017 18:06 Re: NSW - First summer heatwave of 2017, accompanied by thunderstorm activity 12/12/17 - 20/12/17 [Re: DerekHV]
Long Road Home Offline
Meteorological Motor Mouth

Registered: 08/10/2007
Posts: 8520
Loc: Northern Beaches Syd
Actually it's a brief SW wind at Campbelltown

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#1445432 - 20/12/2017 18:08 Re: NSW - First summer heatwave of 2017, accompanied by thunderstorm activity 12/12/17 - 20/12/17 [Re: Homer]
CoastalStorm22 Offline
Weatherzone Addict

Registered: 10/07/2006
Posts: 2806
Loc: Lane Cove, Sydney, NSW
Originally Posted By: Homer
Originally Posted By: Wave Rider
Camden has had a spike to 30C in SW winds while the rest of Sydney, including hot Penrith are 25 degrees or less under that southerly/SEly change.


That's a good pickup WR. Quite unusual after such a strong southerly has passed through. Can't remember seeing something like that before.
Some of the wind gusts around the Metro and Illawarra were insane this afternoon.
Getting some loud rumbles again here from that storm passing to the north of here.


I recorded a 89km/h gust here which is my second highest since installing my WS.
_________________________
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#1445434 - 20/12/2017 18:12 Re: NSW - First summer heatwave of 2017, accompanied by thunderstorm activity 12/12/17 - 20/12/17 [Re: DerekHV]
ashestoashes Offline
Weather Freak

Registered: 22/10/2017
Posts: 365
Loc: Voyager Point (South West Sydn...
We are for a sticky night, the dewpoints are hovering around 20 degrees in many sites.

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#1445435 - 20/12/2017 18:17 Re: NSW - First summer heatwave of 2017, accompanied by thunderstorm activity 12/12/17 - 20/12/17 [Re: DerekHV]
Steve777 Offline
Weatherzone Addict

Registered: 20/10/2011
Posts: 4227
Loc: Artarmon (Sydney North Shore)
Thunder is getting closer and louder again, but, as before, the main action seems to be passing to my North.

A swathe of Sydney's North from Hornsby to Manly has had falls between 12 and 18mm. Most other totals in Sydney have been under 10, mostly under 5.

EDIT: looks like the hot air is flighting back in the Camden- Campbelltown area. Maybe there's a small low down there.

Now the Sun's breaking out for the first time since the change. The low scud will be back, but that might be nearly it for storms here.


Edited by Steve777 (20/12/2017 18:19)

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#1445445 - 20/12/2017 21:06 Re: NSW - First summer heatwave of 2017, accompanied by thunderstorm activity 12/12/17 - 20/12/17 [Re: DerekHV]
CoastalStorm22 Offline
Weatherzone Addict

Registered: 10/07/2006
Posts: 2806
Loc: Lane Cove, Sydney, NSW
Not a terribly strong southerly that one, already winds are swinging north down south.
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