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#1485198 - 12/01/2019 10:39 Re: NSW Day to Day Weather - January to July 2019 [Re: Seabreeze]
kizz Offline
Weatherzone Addict

Registered: 11/02/2002
Posts: 2202
Loc: Beacon Hill, Sydney 152m asl
Those DPs are business as usual in Summer for many similar latitudinal locations in the northern hemisphere .

Almost a month now and Badgery's Creek still offline.
Is it coming back? Anybody know? Seems a bit strange.


Edited by kizz (12/01/2019 10:46)
Edit Reason: Gravitational wave anomolies
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#1485207 - 12/01/2019 11:58 Re: NSW Day to Day Weather - January to July 2019 [Re: kizz]
Longys Offline
Cloud Gazer

Registered: 03/03/2012
Posts: 26
Loc: Glenmore Park
Originally Posted By: kizz
Those DPs are business as usual in Summer for many similar latitudinal locations in the northern hemisphere .

Almost a month now and Badgery's Creek still offline.
Is it coming back? Anybody know? Seems a bit strange.


Maybe it's part of the earthworks at the new airport?

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#1485212 - 12/01/2019 13:45 Re: NSW Day to Day Weather - January to July 2019 [Re: kizz]
Kino Offline
Weatherzone Addict

Registered: 10/08/2017
Posts: 3505
Loc: Wollongong, NSW, Aus
Originally Posted By: kizz
Those DPs are business as usual in Summer for many similar latitudinal locations in the northern hemisphere.


Really? Like where? The only place I can think of would be Florida due to the Gulf Stream.

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#1485213 - 12/01/2019 13:48 Re: NSW Day to Day Weather - January to July 2019 [Re: Long Road Home]
Kino Offline
Weatherzone Addict

Registered: 10/08/2017
Posts: 3505
Loc: Wollongong, NSW, Aus
Originally Posted By: Long Road Home
Does look to be a somewhat humid stormy heatwave unlike the typical dry ones we get this time of year. Wouldn't be surprised if we get more sea foggy days either, the SST anomalies have spiked up to +4C just off the Illawarra.

WZ forecasting DPs of 23-24C during the peak of the heat for coastal SYD. Will get pretty uncomfortable.


The only real benefit those anomalies will have is for places like the South Coast if we have days of ese/se’erlies otherwise they’re useless that far south. If they were more e/ene/ne then they’d pump bucket loads into approaching troughs.

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#1485219 - 12/01/2019 14:07 Re: NSW Day to Day Weather - January to July 2019 [Re: Kino]
Adaminaby Angler Offline
Weather Freak

Registered: 26/03/2018
Posts: 375
Loc: Anglers Reach NSW; 1,290 m AMS...
Originally Posted By: Kino
Originally Posted By: kizz
Those DPs are business as usual in Summer for many similar latitudinal locations in the northern hemisphere.


Really? Like where? The only place I can think of would be Florida due to the Gulf Stream.


Atlanta, GA (34° N), for instance; easily more humid on average than Sydney.
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#1485220 - 12/01/2019 14:12 Re: NSW Day to Day Weather - January to July 2019 [Re: Kino]
Jac0b Offline
Weather Freak

Registered: 17/12/2018
Posts: 144
Originally Posted By: Kino
Originally Posted By: kizz
Those DPs are business as usual in Summer for many similar latitudinal locations in the northern hemisphere.


Really? Like where? The only place I can think of would be Florida due to the Gulf Stream.


I think most of Japan gets those high DPs due to being surrounded by water, also Eastern Coastal China, for example Shanghai often gets DPs in the low-mid 20's. Along with Florida, most of Eastern USA gets very humid during summer, especially July and August. However temps above the high 30's are very rare there, unlike in Sydney. Even as far north as New York dew points rise into the low-mid 20's quite often in late summer.

Mediterranean cities such as Beirut have very high DPs as well during summer, however virtually rainless.

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#1485221 - 12/01/2019 14:13 Re: NSW Day to Day Weather - January to July 2019 [Re: Adaminaby Angler]
Ben K Offline
Weather Freak

Registered: 22/06/2012
Posts: 164
Loc: Central Coast, NSW
Originally Posted By: Adaminaby Angler
Originally Posted By: Kino
Originally Posted By: kizz
Those DPs are business as usual in Summer for many similar latitudinal locations in the northern hemisphere.


Really? Like where? The only place I can think of would be Florida due to the Gulf Stream.


Atlanta, GA (34° N), for instance; easily more humid on average than Sydney.


Also Buenos Aires gets fairly high dew points as well (and plenty of severe storms).


Looking pretty humid here on the Central Coast for the next week. A dew point of 28°C is forecast for Gosford next Friday.

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#1485223 - 12/01/2019 14:33 Re: NSW Day to Day Weather - January to July 2019 [Re: Seabreeze]
ashestoashes Offline
Weather Freak

Registered: 22/10/2017
Posts: 739
Loc: Voyager Point (South West Sydn...
America is very lucky in that sense they are surrounded by two very warm regions that pump ample moisture. They have the shallow gulf of mexico and the gulf stream right next to it. Meanwhile Buenos Aires doesn't have such a warm ocean near it they have ample rainforests and forests north of it which create their own moisture feed.

On the note of heatwaves EC is predicting some amazing dew points for elevated areas Katoomba at a dewpoint of 22 degrees and Kangaroo valley at 24 degrees. This recent rain would have certainly contributed to these dewpoints and the lack of westerlies adds to it. I wonder if any wet bulb records would be broken.

Also could someone explain the concept of Wet Bulb temperatures, its a bit confusing personally.


Edited by ashestoashes (12/01/2019 14:42)

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#1485227 - 12/01/2019 16:13 Re: NSW Day to Day Weather - January to July 2019 [Re: Seabreeze]
GringosRain Offline
Weatherzone Addict

Registered: 19/06/2007
Posts: 1770
Loc: Quorrobolong NSW
So massive CAPE figures and good LI's next week, but very little interest in storms at least from GFS. Must be some hefty capping expected, otherwise you would think that storms along the Seabreeze boundary would be likely?

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#1485229 - 12/01/2019 16:49 Re: NSW Day to Day Weather - January to July 2019 [Re: Seabreeze]
ashestoashes Offline
Weather Freak

Registered: 22/10/2017
Posts: 739
Loc: Voyager Point (South West Sydn...
I Doubt it GR it's very likely that the CAP will be extremely strong with a lot of heat pouring mixing in at higher levels. Which prove to be a very strong cap, although EC has been indicating that storms will happening on isolated areas on the tablelands which would somewhat escape the capping.

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#1485230 - 12/01/2019 16:54 Re: NSW Day to Day Weather - January to July 2019 [Re: Kino]
lab276 Offline
Cloud Gazer

Registered: 02/11/2018
Posts: 19
Originally Posted By: Kino
Originally Posted By: kizz
Those DPs are business as usual in Summer for many similar latitudinal locations in the northern hemisphere.


Really? Like where? The only place I can think of would be Florida due to the Gulf Stream.


Take a look through Tokyo's summer weather, like August 2010 for example, when the dew point was hardly ever below about 23C even on the hottest days. It's like that pretty much all over Japan and Asia even up to Beijing, and in North America even up to the Canadian border (due to the Gulf of Mexico).

http://www.data.jma.go.jp/obd/stats/etrn...08&day=&view=p1

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#1485243 - 12/01/2019 19:12 Re: NSW Day to Day Weather - January to July 2019 [Re: Seabreeze]
Steve777 Offline
Meteorological Motor Mouth

Registered: 20/10/2011
Posts: 5027
Loc: Artarmon (Sydney North Shore)
It looks like a five day Heatwave starts Tuesday. I'll start a heat thread in the next day or two unless someone else wants to.

Penrith is forecast to get four consecutive days of 41+ stating Wednesday 16th. Even OH is forecast to get five consecutive 31+. A 'courageous' forecast as this rarely happens. Seabreezes will moderate coastal temperatures until the last day of the event (which currently looks like the 19th). 850 temps over Sydney reach 28 mid week.

Meanwhile, tomorrow's Sydney forecast makes no sense. Cloudy, 20 km/h Southerlies and 27? It'll get to 27 if there are lengthy sunny periods. 850 humidity and soundings aren't showing as much cloud as the three recent cloudy days when it couldn't get past 22 apart from bonus additions.

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#1485262 - 13/01/2019 07:13 Re: NSW Day to Day Weather - January to July 2019 [Re: Seabreeze]
Teddy Offline
Weather Freak

Registered: 15/01/2010
Posts: 368
Loc: Monash, Canberra 625m
Yeah Canberra will get it's fair share of the heat too, always does this time of year, typically early Feb is the peak time for the heat.
I guess time will tell if our all time record of 42.2C will be broken on Wednesday or not.
Teddy

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#1485264 - 13/01/2019 07:49 Re: NSW Day to Day Weather - January to July 2019 [Re: Seabreeze]
DerekHV Offline
Weatherzone Addict

Registered: 12/02/2010
Posts: 1282
Loc: Aberglasslyn (Maitland) NSW
Looks like a genuine heatwave starting on Tuesday, at least 4 days in a row over 40C in western Sydney and the Hunter.
Definitely a new thready worth event Steve.
The Upper Hunter, Singleton going for 3 x 43C days, and even 44C in Scone.
Tocal a chance of challenging the Jan record too. (no long term records at Maitland Airport)
Looks like the normal weather we get in the 2nd half of Jan, which tends to peak around Australia Day to early Feb.


Edited by DerekHV (13/01/2019 07:57)

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#1485273 - 13/01/2019 09:29 Re: NSW Day to Day Weather - January to July 2019 [Re: Seabreeze]
Eigerwand Offline
Weather Freak

Registered: 28/05/2012
Posts: 526
Forecast for Katoomba from Monday onwards is downright ridiculous. Mt Boyce is already running an avg max of 26.4C, 3C above the long term avg for Katoomba (Mt Boyce would actually be a touch cooler on avg than Katoomba). May end up being the hottest month on record if next week comes off and the weather doesn’t switch to rain and SE’lies to cap the month off. Sad times for much of the fragile ecosystems in that part of the world.


Edited by Eigerwand (13/01/2019 09:32)

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#1485279 - 13/01/2019 10:16 Re: NSW Day to Day Weather - January to July 2019 [Re: Seabreeze]
Steve777 Offline
Meteorological Motor Mouth

Registered: 20/10/2011
Posts: 5027
Loc: Artarmon (Sydney North Shore)
I was woken by the Southerly around 3:30 this morning. It is still reasonably brisk, around 15 - 25 knots (not km/h) near the coast. It was 100% overcast here for most of the morning, but the Sun and the cicadas are starting to come out now. The BOM just updated the forecast to "Mostly cloudy, though sunny breaks at times" and still going for 27/32 for Sydney and Penrith. I think that would take a bit more sun than the forecast implied to get there.

I was in the Hawkesbury district yesterday. It was sunny and humid with small convective clouds trying to get going, about 35 degrees on the car thermometer. Everything is looking very green after Spring and Summer rains. Dams look full or nearly full. Pughs Lagoon near Richmond is back to its normal level, the sandy beaches that appeared for a while now covered.

Here's the countryside near Kurrajong yesterday:


Green Countyside
by Steve, on Flickr

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#1485282 - 13/01/2019 12:31 Re: NSW Day to Day Weather - January to July 2019 [Re: Steve777]
kizz Offline
Weatherzone Addict

Registered: 11/02/2002
Posts: 2202
Loc: Beacon Hill, Sydney 152m asl
Originally Posted By: Steve777
Even OH is forecast to get five consecutive 31+. A 'courageous' forecast as this rarely happens. Seabreezes will moderate coastal temperatures until the last day of the event (which currently looks like the 19th). 850 temps over Sydney reach 28 mid week.

Meanwhile, tomorrow's Sydney forecast makes no sense. Cloudy, 20 km/h Southerlies and 27? It'll get to 27 if there are lengthy sunny periods. 850 humidity and soundings aren't showing as much cloud as the three recent cloudy days when it couldn't get past 22 apart from bonus additions.

The forecast for Sydney might not necessarily be Dawes Point \ Obs Hill. I know from years of working in the city that you only have to go a couple of blocks away from the harbour foreshore to experience higher temps. Barangaroo & Darling Harbour feel decidedly warmer\hotter when the ENE breeze is blowing (as opposed to a gradient ENE wind).
We've done this discussion to death but I always consider these 'courageous' forecasts to be a better representation of what you feel in the city.

Meanwhile the Obs Hill site has reached the forecast 27 in sunny breaks and under the influence of one of the few wind directions where it is not exposed to the water.
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#1485283 - 13/01/2019 12:31 Re: NSW Day to Day Weather - January to July 2019 [Re: Seabreeze]
ashestoashes Offline
Weather Freak

Registered: 22/10/2017
Posts: 739
Loc: Voyager Point (South West Sydn...
Yes Steve I've noticed how green Western Sydney is at the moment. During July Everything was yellow and rough, but given 4 months of above average rainfall. Everything has turned beautiful and lush haven't had to water anything at all as well.
Hence probably why this heatwave will be pushing our comfort levels.

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#1485285 - 13/01/2019 13:47 Re: NSW Day to Day Weather - January to July 2019 [Re: Seabreeze]
GringosRain Offline
Weatherzone Addict

Registered: 19/06/2007
Posts: 1770
Loc: Quorrobolong NSW
Doesnt look like that around here thats for sure.... Great that those areas have had a reprieve. Really not looking forward to back to back days of heat. They are only ok if there is storms in the mix.....

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#1485289 - 13/01/2019 14:41 Re: NSW Day to Day Weather - January to July 2019 [Re: Seabreeze]
Sidney Offline
Weather Freak

Registered: 20/12/2013
Posts: 759
Loc: Macquarie fields ( South west ...
Check out windy.tv GFS 2pm at Musswellbrook. 49c.

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