Its been a strange few weeks weatherwise here. There seems to have been a pattern set up just off Sydney that is spawning serial low pressure systems that sit over the Tasman Sea and suck up huge quantities of water, pull in cold air from the southern latitudes and dump it all on about 200 km of Australian coastline, with Sydney in the bullseye.
And here comes another one. The latest from the Met Bureau:
The Bureau of Meteorology in Sydney today warned of a return to high winds and
rain for southern and central coastal parts of NSW later on Tuesday and
Wednesday. This will be the third intense weather system to affect the NSW coast
in the past fortnight.
An intense low is expected to develop rapidly off Sydney overnight Tuesday with
southerly winds reaching storm force in NSW south coastal waters Tuesday
evening, extending through Sydney and Hunter waters to the Mid North Coast on
Wednesday morning. "Seas will be very dangerous off the NSW coast Tuesday night
and into Wednesday", said the Bureau's Regional Director in NSW Barry Hanstrum.
"Damaging winds with gusts to 100km/h are expected along the coastal strip from
Nowra to Forster, including the eastern parts of Sydney, commencing before
sunrise on Wednesday morning.
The heaviest rain from this storm is expected to be to the south of Sydney
sparing the Hunter region that bore the brunt of flooding earlier in the month.
People should stay tuned to the Bureau's severe weather and coastal waters
warnings which will up-dated regularly during Tuesday.
The NSW State Emergency Service [SES] Director General, Brigadier Philip
McNamara said, "with the recent heavy rain and damaging winds and the predicted
worsening weather, there will be a greater risk to life and property". "I urge people to prepare and take extreme care during storm conditions" he added.
Here's its portrait. BTW, there's a great chart loop of the last 7 days here, watch the last suystem fade away north of NZ and the new one form, take a little trip north to pick up some energy, than come back south and tighten up like a Brussel sprout in a frost.
Normally the weather comes in across the continent, either from the tropics, drying out and heating up, or across the southern bight. But this year the systems were first pushed further south, leaving NSW in deepening drought, and then this; almost a standing wave over the Tasman that is constantly renewed by the weather systems north and south of it.
OK, I'm off out to check for loose stuff around the house. Hopefully I wont have any bizarre photos to show for it in the morning.
Global warming is not, after all, about hotter days, its about more energetic weather, and when weather gets energetic you get wind, serious wind, and water, LOTS of water. Floods in Texas, tornadoes across the South, more floods in the UK, 30 degrees the other day in Stockholm and meteorological mayhem here as well.
I was talking to a lawyer the other day about a house sale and we got on to global warming, which he scoffs at. Now, I know where to find the evidence that convinces me, but I keep wondering about the scoffers, what WOULD it take to convince them? Strangely silent on that.