Startling inversion in the Dandenong this morning. Car thermometer went form 7C at our place (560m) to 2C at (150m). It dropped almost all of that over about 100m of vertical. Above the inversion we got to a lofty 9.9C and at one point our DP dropped to -5C. That is quite a stunning inversion. They do happen, but they rarely last all day at such a low elevation.How odd. Melbs is having very cold day, while im having my warmest day of the month at Mt Macedon. Hardly any temp difference between the two despite my 860m elevation.
11s and 10s around central melbourne and a shade above 9C at Mt Macedon.
An impressive maximum spoilt by rising temperatures through the night Current max sat on 10.3C. By some irony as the winds mixed the Dandenongs have got colder and the low levels have got warmer (not surprised as you've mixed warm air down and cold air up).Also, Melbourne city's maximum of 9.8 today was the coldest June day in 25 years.
The Indian Ocean appears to be trending towards +ve IOD at present. Anyway, it looks like a decent cold front around July 6-8 to keep the ski season ticking along. EC reckons around 12mm for us.flyfisher wrote: ↑Fri Jun 29, 2018 8:26 am I look at the charts and it's just hopeless. The kind of frustration we felt during the millennium drought. BOM's long-range forecast is dim reading too.
While the Indian ocean has warmed up a fair bit recently - that cold upwelling has ceased. The cut off lows in the Tasman continue which hold the high back over us in a narrow ridge that the good strong WA fronts keep slamming into. If a front is strong enough to get through - about once every 2 weeks, it's upper component induces the next Tasman tea low recreating the block all over again. This pattern just continues and continues.
The weather we have been getting is due to the SAM influences induced by SSM as outlined by Jasmine - without that, it would be dismal indeed.
Of course, one big inland cut off low with tropical infeed could change it all around - these are the saviours in a dry year. GFS recently showed one on the long range but it quickly disappeared. Can only hope...
I had a feeling that might happen. Happens every time. We just can't get sustained cold weather.hillybilly wrote: ↑Fri Jun 29, 2018 8:01 amAn impressive maximum spoilt by rising temperatures through the night Current max sat on 10.3C. By some irony as the winds mixed the Dandenongs have got colder and the low levels have got warmer (not surprised as you've mixed warm air down and cold air up).Also, Melbourne city's maximum of 9.8 today was the coldest June day in 25 years.
10.6C in the end. June record for Melbourne is 5.3C so puts it in perspective I randomly looked at June 100 years ago, 50 years ago, 20 years ago and 10 years ago. They saw 9.9, 9.9, 10.0 and 11.6C. Make what you want of those numbersThats annoying. So the max for yesterday (thurs) will now be 10.3C. Bugger.