Melbourne and Victoria daily weather commentary

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Re: Melbourne and Victoria daily weather commentary

Post  mick on Tue Jun 30, 2009 8:26 pm

A bit of a let down here in Carrum, just a bit of wind and 30 min of light rain.

Congrats on getting this up and running karl!

I look forward to robust debate like we used to have in the good old days!

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Re: Melbourne and Victoria daily weather commentary

Post  Johnno on Thu Jul 02, 2009 12:06 pm

FROM MELBOUNE WATER

DAMS HAVE SECOND-DRIEST START TO YEAR

The reconnection of Tarago Reservoir provided the only real boost to storage levels in what has been an extremely dry first half of the year for Melbourne’s storages.

Between 1 January and 30 June, Melbourne’s major catchments received 258 mm of rain, which was 42% below the long-term average.

As a result, reservoirs only received about half (64.1 billion litres) of their average inflows for the first six months of the year – slightly better than the record low set in the first six months of 2008. The third-lowest inflow figure for the first half was in 1967.

Despite a 22 billion litre boost from the reconnection of Tarago Reservoir and lower water use, storages dropped from 34.9% at the start of the year to 26.0% at the end of June.

Manager of Water Supply, John Woodland, said storages normally recovered in the second half of the year but would have a lot of ground to make up before next summer.

“The reservoirs have now had their two poorest starts to the year on record, back to back,” he said.

“These latest figures show the importance of diversifying our water sources with desalination and savings from irrigation upgrades, as well as more recycling and ongoing water conservation.

“With the reconnection of Tarago, Melbourne now has a total of 470 billion litres of water in storage. This will help see us through until the rest of the major water projects come online, but we need to keep saving to maintain a healthy buffer,” added Mr Woodland.

Melbourne households have now achieved Target 155 for 16 weeks in a row.

DRY START TO WINTER – IMPACT OF JUNE 2009 ON STORAGES An average of 59.6 mm of rain was received over the four major catchments during June, compared with the 30-year average of 106.1 mm (43.8% below normal).
Inflows into reservoirs in the four major catchments totalled 14.6 billion litres in June, compared with the 30-year average of 39.3 billion (62.8% below normal).


Overall June consumption (all uses) dropped by 2.9% compared to June last year.

STORAGE COMPARISON TO RECENT YEARS (as at 30 June)2008: 29.5%
2007: 30.7%
2006: 48.0%
2005: 52.2%

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Re: Melbourne and Victoria daily weather commentary

Post  norfolk on Thu Jul 02, 2009 5:08 pm

had some showers this afternoon which was great! But looks like something substantial is on its way! cant wait!

There was some sun but it was a mostly cloudy day.

It got to 13 today here.

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Re: Melbourne and Victoria daily weather commentary

Post  Australis(Shell3155) on Thu Jul 02, 2009 7:20 pm

Wilsons prom have had some good rain over 100mm
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Re: Melbourne and Victoria daily weather commentary

Post  norfolk on Fri Jul 03, 2009 3:37 pm

cant really report on much again. Just some wind, some cloud, some sun, a shower or 2 and that's all. Nothing like other parts of melbourne.

maybe only 0.5mm if that!

so far this month we only have had probably 5mm as well.

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Re: Melbourne and Victoria daily weather commentary

Post  norfolk on Sat Jul 04, 2009 4:12 pm

pretty much a similar day to yesterday, lots of sun, some cloud, a shower or 2 and a bit of wind. Nothing too exciting!

Min: 7.9 max: 15.0

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Re: Melbourne and Victoria daily weather commentary

Post  droughtbreaker on Sun Jul 05, 2009 6:02 pm

Cold here today, just 8C maximum. 2.5mm in the gauge over the last day or two, a bit of drizzly stuff around the mountain today.

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Re: Melbourne and Victoria daily weather commentary

Post  Sniper on Mon Jul 06, 2009 5:21 pm

Didn't know where to post this.

Water storages have biggest rise since mid-December.

http://www.news.com.au/heraldsun/story/0,21985,25740410-661,00.html

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Re: Melbourne and Victoria daily weather commentary

Post  norfolk on Mon Jul 06, 2009 5:49 pm

day started clear and sunny and cold! Then there was cloud, then there was sun again, then there was cloud again and now it's clear again. Confusing day, but all those dark clouds just passed overhead and dropped nothing.

John may be able to answer this question or someone else might, apart from the slight rain shadow effect that the Brisbane Ranges have (and in some instances the northern ranges) what else (if anything) causes the dryness out here?


Min: 4.7 max: 12.9

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Re: Melbourne and Victoria daily weather commentary

Post  droughtbreaker on Mon Jul 06, 2009 7:52 pm

Another 2.2mm here today, just a sprinkle at North Melbourne before lunch that I didn't even notice.

Several reasons why western Melbourne is so dry.

1. Mount Macedon and Great Dividing range to the NW blocking out significant rain events in winter and spring (which predominantly come from the NW) This is a very significant rain shadow as far as Melb area goes. Eg. Riddells Creek just 10 kilometres or so SE of here gets around 650mm a year whereas the centre of the Mount Macedon village gets around 900mm a year and higher than that the higher you go on the range. Sunbury only gets around 530-550mm a year from memory and is only a further 15km SE of Riddells Creek.

2. West of the bay, and therefore misses out on most of the showers in SW winds which is the predominant direction of unstable flow behind cold fronts and lows. West of Melbourne dries out whilst east of Melbourne picks up moisture from the bay.

3. Significant rain from the SW is further blocked out by the Otway Ranges (another rain shadow), particularly from Geelong to Werribee which makes this part of southern VIC pretty much the driest.

4. Western suburbs of Melbourne are as flat as the proverbial so absolutely no uplift from orographic effects to enhance rainfall or develop rainfall in marginal conditions. Around the You Yangs and Brisbane ranges I could imagine they pick up a few more showers here and there than areas on the plains thanks to localised uplift.

5. Not 100% on this one, but I'm pretty sure as warm northerlies descend down the southern slopes of the Great Dividing range they usually become warmer still, kind of a foehn wind effect. That's why on hot northerly days in Spring and Summer places like Avalon, Laverton etc. usually are several degrees warmer than Melbourne CBD and the winds tend to be stronger due to the absence of trees or hills, the area is extremely exposed in other words. This combination of heat and wind causes the land to dry out more west of Melbourne therefore the area appears brown and barren most of the time.

Not trying to rub things in Tony but that is pretty much an honest assessment of the micro climate of the western suburbs of Melbourne. I can imagine the frustration weather enthusiasts have living there but it is only a short and easy drive away from places that get heavier rain more often and snow and of course some of the best storms can develop west of Melbourne in Summer outbreaks.

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Re: Melbourne and Victoria daily weather commentary

Post  norfolk on Mon Jul 06, 2009 8:26 pm

not rubbing it it at all, it is an excellent example of a micro climate, and living and growing up here, I have always been curious about our own mini micro climate. I have called this part of Melbourne, out own little desert, my friends in perth always talk about the showers we get and I always say it never happens!!!

Am a westy through and through, and while the dryness never really bothered me when we used to get average 500-600mm of rain, but now when you could almost say averages have been closer to 350-450mm, starts to get a bit desperate!!!

Am sure other westies can comment as well!

Oh and when they say showers in melbourne, surely the BOM could change a forecast for laverton to mainly fine or even just 'a shower or 2' instead of showers! Because Melbourne's forecast are really not indicative of our weather on those showery days.

And talking about heat, Feb 7 was 46 in Melb, 47 here 47.5 in Laverton and 48 in Avalon.

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Re: Melbourne and Victoria daily weather commentary

Post  Lily on Tue Jul 07, 2009 3:41 am

Brrrrrr, morning all. Currently on 1.2 degrees and the moon is shining brightly low in the western sky, going to be a frosty old morning. I'm off to Canberra for work this morning, temps there are 0.0 Shocked

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Re: Melbourne and Victoria daily weather commentary

Post  Karl Lijnders on Tue Jul 07, 2009 5:43 am

Certainly is fresh. Down to -0.6C still. Full iced car this morning.

Let us know what's happening in Canberra Lily.
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Re: Melbourne and Victoria daily weather commentary

Post  hillybilly on Tue Jul 07, 2009 5:48 am

3.1C in FC overnight comfortably sat above the inversion. Anticipate a minimum of about 2C - we usually have our minimum at about 9am in winter as the sun doesn't come over the hill until (about) then.

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Re: Melbourne and Victoria daily weather commentary

Post  norfolk on Tue Jul 07, 2009 5:59 pm

clear blue skies all day today quite a cold start to quite a cold day. Amzing how the heat island effect, effected the overnight low in the city last night. 7.6 in the city but regular 1's and 2's in most suburbs!

Min: 2.6 max: 12.5

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Re: Melbourne and Victoria daily weather commentary

Post  AUSSKY on Tue Jul 07, 2009 6:39 pm

Currently -1.0°C at Clyve's and -0.6°C at my place in Trentham....could be a night of broken sleep.......making sure pipes don't freeze...
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Re: Melbourne and Victoria daily weather commentary

Post  mick on Tue Jul 07, 2009 6:54 pm

You should consider a recirculating pump.

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Re: Melbourne and Victoria daily weather commentary

Post  AUSSKY on Tue Jul 07, 2009 7:43 pm

Not sure that the dozen nights or so I'm likely to get are worth that - I found last week that if I leave the hot water tap in the shower not turned off hard, that it starts running at about 3am and that's enough to get me out of strife...still learning about what this house will and won't put up with on cold night...I think I've foound all the joints - the toilet's now ok, the cold water's fine.......
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Re: Melbourne and Victoria daily weather commentary

Post  droughtbreaker on Tue Jul 07, 2009 8:17 pm

1.2C at 8:30pm, 4C at around 9pm and now back to 1.2C. No cloud cover or wind at any stage.

Weird. cyclops

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Re: Melbourne and Victoria daily weather commentary

Post  droughtbreaker on Tue Jul 07, 2009 8:53 pm

Back to 4C, northerly wind is the culprit. Looks like we'll be spared from a frost here tomorrow morning. Smile (I used to like them but now I hate them, cause more trouble than they're worth).

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Re: Melbourne and Victoria daily weather commentary

Post  AUSSKY on Wed Jul 08, 2009 5:22 am

5am in Trentham saw +0.6°C at my place, -2.6°C at Clyve's. A brilliant white frost turning my dark grey roof white like snow......by 6am it had started to 'warm' (if you could call it that and Clyve had -2.0°C. Woodend was -2.1°C and the Macedon exit a few kms down the road was +4.9°C. Melbourne cars have a very thick layer of frost on them across through Brunswick & Clifton Hill with an air temp currently of +3°C.
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Re: Melbourne and Victoria daily weather commentary

Post  hillybilly on Wed Jul 08, 2009 5:38 am

Comfortably above the inversion in Ferny Creek with a balmy 4.2C at home at 6am. Dipped to 4C by 7pm (our max yesterday was just 8.1C) last night but then rose around mid night to 6C for a few hours then back down to 4C around 5am. The warming was associated with a slight pick up in the northerly at our place (I'm guessing a mainly katabatic one).

The parks around the Yarra were white this morning which doesn't happen often.

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Re: Melbourne and Victoria daily weather commentary

Post  Karl Lijnders on Wed Jul 08, 2009 6:01 am

-2.6 here this morning making it one of the coldest in a long while. Laverton had it's coldest morning since 1997 and Coldstream since 2005.
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Re: Melbourne and Victoria daily weather commentary

Post  Madmel on Wed Jul 08, 2009 1:17 pm

Yeah being close to the river here it would have dipped down to -3.C this morning. Oddly enough it didnt feel like -3 when I left for work, was quite mild dare say. Though my windscreen had different opinions LOL kept freezing up between the buckets of water. Sensational day though!

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Re: Melbourne and Victoria daily weather commentary

Post  Karl Lijnders on Wed Jul 08, 2009 1:38 pm

I hate the cold mornings, it was absolutely foul. Getting the water to melt the frost was difficult. I ran the car for 10 minutes before entering in!! I wore a scarf and little did I realise I dipped it into the bucket and got in the car and had a puddle on my pants. Not happy Jan Laughing

Much milder tomorrow down to just 1C here tonight.
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