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#1390777 - 20/10/2016 07:16 Re: Frost season 2016 [Re: greg.l]
greg.l Offline
Weather Freak

Registered: 01/09/2016
Posts: 335
Loc: north of bathurst NSW
It only got down to 3 so the forecast was spot on. Was 4 at 1.30 so it didn't cool off much overnight. I think there was a bit of cloud and the weather switched round to the east. Another cold change for saturday so sunday and monday mornings are the next worry. So many cold changes this spring, but the temperature just doesn't want to get down to zero.

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#1390794 - 20/10/2016 09:56 Re: Frost season 2016 [Re: greg.l]
orangeroughy Offline
Weather Freak

Registered: 14/08/2012
Posts: 640
Loc: Orange, NSW
Got down to 1deg at Orange AP. Between 18.50 and 19.50 it dropped by 4deg so it looked to be heading into frost territory...out on the mower it certainly felt like it. After that the cooling then slowed, but there might have been a few patches of mild frost in susceptible locations.
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NW Orange NSW 860m asl

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#1390893 - 21/10/2016 11:43 Re: Frost season 2016 [Re: greg.l]
orangeroughy Offline
Weather Freak

Registered: 14/08/2012
Posts: 640
Loc: Orange, NSW
Opticast has Sunday's and Monday's minima at Orange AP dropping to zero.
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NW Orange NSW 860m asl

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#1391037 - 23/10/2016 09:20 Re: Frost season 2016 [Re: greg.l]
greg.l Offline
Weather Freak

Registered: 01/09/2016
Posts: 335
Loc: north of bathurst NSW
Last night only went down to 5 at my place, clouds came over. Tonight is a real chance of frost but then a stretch of warm weather.

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#1391149 - 24/10/2016 09:44 Re: Frost season 2016 [Re: greg.l]
greg.l Offline
Weather Freak

Registered: 01/09/2016
Posts: 335
Loc: north of bathurst NSW
Down to 1C this morning. I got up at 1.30 and it was 3 so I turned the frost sprinklers on the vineyard just to be safe. It wasn't really necessary in the end but it saves worrying all night.

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#1391156 - 24/10/2016 11:20 Re: Frost season 2016 [Re: greg.l]
DaveM Offline
Meteorological Motor Mouth

Registered: 21/05/2001
Posts: 9501
Loc: Bathurst NSW about 700 m asl
Very close though wasn't it!!

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#1391230 - 25/10/2016 12:34 Re: Frost season 2016 [Re: greg.l]
orangeroughy Offline
Weather Freak

Registered: 14/08/2012
Posts: 640
Loc: Orange, NSW
Good coverage of light frost on the grass this morning. I suspect Greg would have had the sprinklers on again. Might be the last of it for a while.
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NW Orange NSW 860m asl

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#1391239 - 25/10/2016 14:40 Re: Frost season 2016 [Re: greg.l]
greg.l Offline
Weather Freak

Registered: 01/09/2016
Posts: 335
Loc: north of bathurst NSW
https://goo.gl/photos/yaF983TnwV2Ngyiw8

I hope this link works, it shows my vineyard after a frost 3 years ago on this date.

No frost here last night, only got down to 3, so I didn't need the sprinklers. Hopefully that is it for the frost season this year, though even in november there is a chance of frost.

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#1391242 - 25/10/2016 15:05 Re: Frost season 2016 [Re: greg.l]
orangeroughy Offline
Weather Freak

Registered: 14/08/2012
Posts: 640
Loc: Orange, NSW
Re your pic: this year has been most benign by comparison. That is one helluva frost! A pic like that could have been taken in WA earlier this spring.
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NW Orange NSW 860m asl

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#1391244 - 25/10/2016 15:25 Re: Frost season 2016 [Re: greg.l]
greg.l Offline
Weather Freak

Registered: 01/09/2016
Posts: 335
Loc: north of bathurst NSW
All the ice is from the sprinklers. The vines survived unscathed. So long as the sprinklers are on, new water keeps freezing, and the "heat of fusion" releases enough heat to stop the buds freezing. If I turn off the sprinklers while there is still ice on the buds, the buds will freeze and goodbye that year's crop. I am drinking the wine from that year and it is excellent.

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#1391245 - 25/10/2016 16:01 Re: Frost season 2016 [Re: greg.l]
Wave Rider Online   content
Meteorological Motor Mouth

Registered: 27/01/2014
Posts: 5821
Loc: Wollongong NSW
Interesting that you make white wines, looking at the green grapes in your pic. I've only been to a vineyard (geography field study) that produces red wines. I assume you don't have any red grapes in your vineyard? Climate up there is probably too cold for them I'd imagine.
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2016-17 season storm total for here= 15

Oct- 21st
Nov- 9th, 28th
Jan- 24th
Feb- 11th, 12th, 17th, 18th(2)
Mar- 13th, 16th, 22nd
Apr- 9th, 26th
May- 24th

The longer you wait for things, the more you appreciate them.

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#1391246 - 25/10/2016 16:07 Re: Frost season 2016 [Re: greg.l]
greg.l Offline
Weather Freak

Registered: 01/09/2016
Posts: 335
Loc: north of bathurst NSW
Those are shiraz grapes. They don't turn red until the stage called "veraison" in february. I grow shiraz, cab sav and sav blanc.

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#1391247 - 25/10/2016 16:10 Re: Frost season 2016 [Re: greg.l]
greg.l Offline
Weather Freak

Registered: 01/09/2016
Posts: 335
Loc: north of bathurst NSW
In fact there aren't any grapes or flowers in that picture, it is too early. All the green in the picture is leaves and buds.

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#1391248 - 25/10/2016 16:28 Re: Frost season 2016 [Re: greg.l]
EddyG Offline
Weatherzone Addict

Registered: 19/12/2008
Posts: 4050
Loc: NSW Port Stephens
Someone mentioned Cab Sav? I love a Cab Sav!!

Do you sell your wines greg.l?
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#1391250 - 25/10/2016 16:35 Re: Frost season 2016 [Re: greg.l]
Wave Rider Online   content
Meteorological Motor Mouth

Registered: 27/01/2014
Posts: 5821
Loc: Wollongong NSW
Ah that's right, it's all coming back to me now, we did a whole topic on viticulture and winemaking earlier this year in geography. I think the vineyard I went to near Kiama mainly produced merlot from memory.

I thought it was green but just not grapes lol.
_________________________
2016-17 season storm total for here= 15

Oct- 21st
Nov- 9th, 28th
Jan- 24th
Feb- 11th, 12th, 17th, 18th(2)
Mar- 13th, 16th, 22nd
Apr- 9th, 26th
May- 24th

The longer you wait for things, the more you appreciate them.

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#1391254 - 25/10/2016 17:04 Re: Frost season 2016 [Re: EddyG]
greg.l Offline
Weather Freak

Registered: 01/09/2016
Posts: 335
Loc: north of bathurst NSW
Originally Posted By: EddyG
Someone mentioned Cab Sav? I love a Cab Sav!!

Do you sell your wines greg.l?


This year I made about 250L, not really a commercial quantity. My 2014 cab sav is really good but I am down to my last 2 dozen bottles,my wife would kill me if i gave any away, and I mean that literally.

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#1391361 - 27/10/2016 10:28 Re: Frost season 2016 [Re: greg.l]
DaveM Offline
Meteorological Motor Mouth

Registered: 21/05/2001
Posts: 9501
Loc: Bathurst NSW about 700 m asl
Only just spotted that photo. I find the way those frost sprinklers work (as you explained) to be amazing!! Who knew that you protected from frost by "FREEZING" something!! smile

I always wondered why sprinklers helped - assumed the water must not freeze, maybe an additive - BUT I thought that doesn't sound logical, especially in a big frost where you could almost kinda make snow with a sprinkler. Now I know more smile

Now don't worry about your wife, we're your new best buddies!!! grin

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#1391379 - 27/10/2016 12:29 Re: Frost season 2016 [Re: greg.l]
greg.l Offline
Weather Freak

Registered: 01/09/2016
Posts: 335
Loc: north of bathurst NSW
I've used the sprinklers down to -2 and they still work well. It looks amazing to see so much ice, yet the new growth, which is so delicate and frost sensitive, comes out completely unscathed. The biggest mistake people make is turning off the sprinklers too early, you have to leave them going until all the ice melts away.

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#1391394 - 27/10/2016 14:17 Re: Frost season 2016 [Re: greg.l]
DaveM Offline
Meteorological Motor Mouth

Registered: 21/05/2001
Posts: 9501
Loc: Bathurst NSW about 700 m asl
Complex business this horticulture!!

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#1391770 - 30/10/2016 19:16 Re: Frost season 2016 [Re: greg.l]
greg.l Offline
Weather Freak

Registered: 01/09/2016
Posts: 335
Loc: north of bathurst NSW
The prediction is for 1c on tuesday morning hopefully it will be the last frost of the season. It has been a good spring at my place, I have plenty of cherries, peaches,plums,figs, pears, and probably a couple of tons of apples for cider. Alas no apricots but that is normal.

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