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Cold winds, rain deliver a freezing day

Date

Adrian Lowe and Stephen Cauchi

Weather forecasters say Melbourne's winter gloom should lift by Sunday.

Weather forecasters say Melbourne's winter gloom should lift by Sunday. Photo: Angela Wylie

If it feels freezing outside, that's because it is.

Despite the temperature hovering around 10 degrees, 50 km/h winds and 70 per cent humidity have pushed the apparent temperature – basically a wind chill index –  below freezing in the CBD and northern suburbs.

In the CBD, for example, the apparent temperature is - 1.5 degrees, in Essendon -1.6 and at the airport -1.0.

Weatherzone: Melbourne storm tracker

"I haven't noticed it (apparent temperature) this low in the afternoon before," said Bureau of Meteorology senior forecaster Terry Ryan. "But we probably get these conditions a couple of times per winter."

Apparent temperature was measured on the basis of how cold exposed skin felt, said Mr Ryan, and is calculated using a formula mixing "normal" temperature, humidity and wind speed.

It's been chilly the entire day. The city recorded an apparent temperature of 1.3 just before 7.30am, with winds about 33km/h. The normal temperature at the time was 8.5 degrees.

At Melbourne Airport, the apparent temperature was -3.3 at 7.25am, with winds at 52km/h. (They were 70km/h at 5.53am.) It reached a frigid -4.6 at 11.30am, despite a normal temperature of 8.5.

Unfortunately records of apparent temperature are not kept, said Mr Ryan, but he said it was Melbourne's coldest weekend since July 20 and 21, when maximum temperatures were 9.7 and 11.1.

Today's wintry blast comes in stark contrast to Thursday, which had apparent and normal temperatures above ten degrees thanks to some winter afternoon sunshine.

There’s been a little rainfall, but not much. The highest metropolitan falls coming at Craigieburn, with 4.6 millimetres between 3am and 6am. At Essendon Airport and Warrandyte, 3.6 mm fell and there was 3.4 mm in Ringwood.

After starting the year strongly, Melbourne's water catchments – at 72.9 per cent – are a tad lower than they were this time last year. Still, they are much higher than they have been over the past decade.

The showers are expected to continue until Saturday afternoon, which is expected to be a much warmer day with a top of 18.

Sunday should be mostly sunny, with a high of 17. Northerly winds are tipped to reach  35km/h.

Next week will be wet, with storms and hail on Monday and Tuesday. Winds will also be strong next week, with north-westerlies expected to reach up to 45km/h by Thursday.

♦ A huge tree is in danger of collapsing onto Toorak Road, causing traffic chaos and tram services to be diverted.

The 80-metre tree, located at 546 Toorak Road, became uprooted this afternoon during heavy winds.

It is expected to fall between Kooyong Road and Orrong Road.

VicRoads is advising drivers to avoid the area.

Yarra Trams is diverting its Route 8 Moreland-Toorak tram via Commercial and Malvern roads in both directions.

SES spokesman Lachlan Quick said emergency services volunteers were at the scene.

The uprooted tree was one of about 140 Victorian incidents the SES had been called out to by Friday evening.

"A majority have related to trees down onto roads… there has also been some significant damage to power lines," Mr Quick said.

Kristian Silva

5 comments

  • Lucky you've got global warming happening or we'd have all you mob down there moving up here - but it's still bloody cold up here - nine min and 26 max yesterday.

    Commenter
    laurie mills
    Location
    fnq
    Date and time
    August 09, 2013, 9:26AM
    • I moved to Melbourne from Dunedin, NZ 12 years ago so this feels quite tropical to me...!!

      Commenter
      Oggly
      Location
      Melbourne
      Date and time
      August 09, 2013, 10:28AM
    • we need more cold weather for our snow resorts, not much snow this year and we are going skiing next week. that's something you can't do in FNQ !

      Commenter
      C
      Date and time
      August 09, 2013, 11:21AM
  • Flying in today... Great!

    Commenter
    G
    Date and time
    August 09, 2013, 10:44AM
    • "we need more cold weather for our snow resorts"

      Just one of the many ways that EVEN IF all we are doing is looking at observational weather fluctuations (rather than assessing the validity of climate change through the long-term trends and averages, which are what tell the true story), the effects of climate change are being felt and seen. The snow fields are having one of their worst seasons in years. So EVEN IF we are seeing one or two days of cold weather at the end of Winter, the season in which we will still see cold weather but with incrementally-increasing temperatures under GW, we have also seen record warm averages for Winter, reduced snow, record temps over last Summer, records tumbling around the world eg. China recently etc, etc. Yet a couple of days of clearly-observable chilly weather and suddenly that's proof that there's nothing to worry about. People need to step back a bit and inform themselves as to how these things are actually measured. Global Warming does not mean that it will be 20 degrees every day in the middle of Winter (well, maybe not until 2100). Apologies if you re just being light-hearted, Laurie, but such jokes just add to the misinformation that people use to shield themselves from the truth.

      Commenter
      Richard
      Location
      Melbourne
      Date and time
      August 09, 2013, 2:22PM
      Comments are now closed

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