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#1445641 - 24/12/2017 12:32 Re: NSW/ACT day to day weather [Re: Grant]
Flodge Offline
Weather Freak

Registered: 20/03/2010
Posts: 87
Loc: Camden, NSW
There are a few clouds starting to pop up out here. Fingers crossed for rain...

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#1445642 - 24/12/2017 12:37 Re: NSW/ACT day to day weather [Re: Flodge]
Homer Offline
Meteorological Motor Mouth

Registered: 16/06/2007
Posts: 5890
Loc: Dural
Originally Posted By: Flodge
There are a few clouds starting to pop up out here. Fingers crossed for rain...


Yeh, some showers/storms popping up in the Illawarra.

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#1445644 - 24/12/2017 12:45 Re: NSW/ACT day to day weather [Re: Grant]
chapo Offline
Weather Freak

Registered: 10/02/2012
Posts: 324
Loc: Campbelltown
a bit of lightning off the coast of Wollongong from those storms

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#1445646 - 24/12/2017 12:58 Re: NSW/ACT day to day weather [Re: Grant]
Rainbow Spirit Offline
Weather Freak

Registered: 10/11/2010
Posts: 567
Loc: Green Valley, just west of Liv...
The change appears to be approaching Nowra now, already through Ulladulla.

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#1445647 - 24/12/2017 13:03 Re: NSW/ACT day to day weather [Re: Grant]
dknever Offline
Weather Freak

Registered: 21/11/2016
Posts: 54
Loc: Liverpool, NSW
From BOM

THUNDERSTORMS WITH POSSIBLE DAMAGING WIND GUSTS IN ILLAWARRA AND SYDNEY'S SOUTH

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#1445648 - 24/12/2017 13:03 Re: NSW/ACT day to day weather [Re: Grant]
Sidney Offline
Weather Freak

Registered: 20/12/2013
Posts: 446
Loc: Macquarie fields ( South west ...
Severe Tstorm warning for damaging winds has been issued for southern sydney and the illawarra

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#1445649 - 24/12/2017 13:06 Re: NSW/ACT day to day weather [Re: Grant]
Steve777 Offline
Weatherzone Addict

Registered: 20/10/2011
Posts: 4270
Loc: Artarmon (Sydney North Shore)
Welcome back Eddy

------

Very hot and humid here in Lane Cove National Park. The car thermometer was showing 38 degrees. Many sites around Sydney have passed 40, including the Airport (41.6) and Olympic Park. It's actually getting a bit cloudy now. There was some interesting-looking development visible to the South about an hour ago, and the radar shows a very lightning-active looking cell passing along Sydney's Southern outskirts.


Edited by Steve777 (24/12/2017 13:07)

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#1445650 - 24/12/2017 13:07 Re: NSW/ACT day to day weather [Re: Grant]
Thunderstorm Offline
Weather Freak

Registered: 29/12/2012
Posts: 126
Loc: sw suburbs of Adelaide
Why does Penrith get so hot, already this month 3 days over 43C,and today another day over 40C, it gets temperatures, close to outback town of Bourke . The weather station for Penrith is not in a built up area is it, so it cannot be and urban heat effect ???.

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#1445651 - 24/12/2017 13:20 Re: NSW/ACT day to day weather [Re: Thunderstorm]
Sidney Offline
Weather Freak

Registered: 20/12/2013
Posts: 446
Loc: Macquarie fields ( South west ...
Originally Posted By: Thunderstorm
Why does Penrith get so hot, already this month 3 days over 43C,and today another day over 40C, it gets temperatures, close to outback town of Bourke . The weather station for Penrith is not in a built up area is it, so it cannot be and urban heat effect ???.


I mean today is not that hot considering many areas in the Sydney metro has also hit 40c+. But on a normal day i'd say Penrith gets its heat from its low elevation 25m ASL. Also due to the fact it's so far west from the coast, sea breezes and southerly's usually makes it there last compared to other areas of Sydney which allows it to heat up for longer. There should be more factors but i honestly am not too sure. I'm not sure why Richmond on average is slightly cooler than Penrith given that they are both similar in terms of how far they are away from the coast and elevation.


Edited by Sidney (24/12/2017 13:20)

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#1445654 - 24/12/2017 13:28 Re: NSW/ACT day to day weather [Re: Sidney]
Thunderstorm Offline
Weather Freak

Registered: 29/12/2012
Posts: 126
Loc: sw suburbs of Adelaide
Thanks Sidney

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#1445655 - 24/12/2017 13:37 Re: NSW/ACT day to day weather [Re: Grant]
Steve777 Offline
Weatherzone Addict

Registered: 20/10/2011
Posts: 4270
Loc: Artarmon (Sydney North Shore)
I think another factor affecting Penrith vs places West of the Divide is a Foehn effect. Air masses reaching Penrith from the West and NW have risen over land 1,000 to 1,200 metres (the height of the Great Divide West of Sydney) then dropped back to near sea level. It's not quite the Rockies, but it can make a difference of a few degrees in the right conditions.

This would apply to Richmond, in fact to all of Sydney, but no doubt local factors come into play too.

EDIT: there's a Severe Thunderstorm Warning out for the Metro and Illawarra regions from about Botany Bay to Jervis Bay for THUNDERSTORMS WITH POSSIBLE DAMAGING WIND GUSTS.

EDIT2: NWer might be winning in Sydney, with flags on the Harbour Bridge showing a strong NW'er.


Edited by Steve777 (24/12/2017 13:47)

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#1445658 - 24/12/2017 14:06 Re: NSW/ACT day to day weather [Re: Grant]
Jimi Offline
Weather Freak

Registered: 15/03/2004
Posts: 932
Loc: Cammeray
Spot on Steve. The temp has spiked 4C in 10 mins at Obs Hill. I wondered what was happening - we have had a gusty NWer for some time here but I thought I saw winds swinging SE at the airport and Nobbys so thought it may not happen for the coast

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#1445659 - 24/12/2017 14:13 Re: NSW/ACT day to day weather [Re: Grant]
dknever Offline
Weather Freak

Registered: 21/11/2016
Posts: 54
Loc: Liverpool, NSW
Faint rumbles in the background, no rain though.

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#1445660 - 24/12/2017 14:19 Re: NSW/ACT day to day weather [Re: Grant]
Perfect Storm Offline
Weather Freak

Registered: 30/10/2005
Posts: 952
Loc: Carramar, Sydney, NSW
Nice roll clouds with the southerly rolling in here at Malabar. Not overly gusty though

Will post a pic later on when the image hosting sites are playing nice.



Edited by Perfect Storm (24/12/2017 14:20)
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If life was a synoptic map it would probably be full of highs and lows.

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#1445661 - 24/12/2017 14:31 Re: NSW/ACT day to day weather [Re: Grant]
Petar @ Sdny Offline
Weather Freak

Registered: 09/03/2007
Posts: 570
Loc: South West Sydney
First traces of the Southerly wind change here at Riverwood with dark clouds. @2.20 pm
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#1445662 - 24/12/2017 14:38 Re: NSW/ACT day to day weather [Re: Grant]
ashestoashes Offline
Weather Freak

Registered: 22/10/2017
Posts: 379
Loc: Voyager Point (South West Sydn...
I'm getting absolutely whipped out here, a westerly gust of 52km/h was recorded at Holsworthy under the same cell. With some heavy rain to accompany.

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#1445663 - 24/12/2017 14:39 Re: NSW/ACT day to day weather [Re: Grant]
Homer Offline
Meteorological Motor Mouth

Registered: 16/06/2007
Posts: 5890
Loc: Dural
13 degree temp drop at Sydney AP between 2-2.30 pm with a 61 km/hr gust at 2.06 pm.
It's quite the southerly!

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#1445664 - 24/12/2017 14:43 Re: NSW/ACT day to day weather [Re: Grant]
Perfect Storm Offline
Weather Freak

Registered: 30/10/2005
Posts: 952
Loc: Carramar, Sydney, NSW
Photos of the roll cloud from Malabar. Click for larger images. Heading home, hoping for a good storm this Arvo






Edited by Perfect Storm (24/12/2017 14:43)
_________________________
If life was a synoptic map it would probably be full of highs and lows.

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#1445665 - 24/12/2017 14:43 Re: NSW/ACT day to day weather [Re: Homer]
ashestoashes Offline
Weather Freak

Registered: 22/10/2017
Posts: 379
Loc: Voyager Point (South West Sydn...
Originally Posted By: Homer
13 degree temp drop at Sydney AP between 2-2.30 pm with a 61 km/hr gust at 2.06 pm.
It's quite the southerly!

It seems to have strengthened dramatically towards the airport with Wattamolla AWS only sitting at 20km/h SSE.

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#1445666 - 24/12/2017 15:08 Re: NSW/ACT day to day weather [Re: Grant]
dknever Offline
Weather Freak

Registered: 21/11/2016
Posts: 54
Loc: Liverpool, NSW
This temperature drop feels bloody amazing.

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