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Flood warning for Adelaide

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Re: Flood warning for Adelaide

How can there be a flood warning when it hasn't started raining yet?
I now live in NSW,but own a house at Kerbrook ,Adelaide Hills,SA...The rainfall this year at Kersbrook was eighteen inches...average usually 36...I have two rainwater tanks,one for the house and one for the garden...this year with restrictions,the garden tank comes in very useful...I will be back in SA on Friday afternoon ...I hope that my rain guage is full.
 
Re: Flood warning for Adelaide

Its a "heads up" warning for potential flooding this arvo.

The ground is so dry and will not hold any water, so most likely it will just run off, causing much flooding
 
Re: Flood warning for Adelaide

moses said:
the greenest part of my lawn is around the pool
Click to expand...
How interesting, Moses. Presumably the pool water is chlorinated?
Perhaps it's the salt that does the damage?

Julia
 
Re: Flood warning for Adelaide

When I was a little girl : we had a rainwater tank and it was disgusting! Father used to put kero on the water to stop the mossies breeding (we have thousands of mossies in Adelaide yet it is so damn dry - go figure!); we refused to drink it, and I still cant get the thought of the water washing off all the bird and possum c%$p of the roof and into the tanks.

I gather they are better designed now?

How does the weather bureau know it is coming so far in advance? (and it is building up outside nicely now)

They look at the barometric map - there is a trough coming in from the west (ie that is the normal cool change we get here). Normally that just cools things down and may bring a few light showers. HOWEVER, when the arrival of that trough meets the warm moist air of the upper level low that is currently squat in the middle of Australia, this gets dragged down over the Adelaide area and together they produce a LOT of rain. Has to be exact timing of both events, but it only happens maybe every couple of years or so. And when it does, it pours!
 
Re: Flood warning for Adelaide

yeah, i don't think i'll ever be drinking rain water from a tank again, after we took apart one of the old tanks a few years ago...
 
Re: Flood warning for Adelaide

Here she comes..massive dark clouds above...wind picking up and the temp has already dropped a few degrees.

Just waiting for the first flash of lightning, big crash of thunder...then please let it just piss down.

This is the norm for Brisbane and Darwin, but here in Adelaide its a treat
 
Re: Flood warning for Adelaide

Think it is safe to say....there will be flooding. Bucketing down now and the heavy rains aren't here yet! Adelaide drainage system is useless for rain like this! Garden is smiling though! We are lucky, we live on higher ground away from creeks. At least, I hope so
 
Re: Flood warning for Adelaide

Hi rafa,

Yep, it is amazing how much water a tank will collect, I read that on coastal NSW a water tank will collect up to 40 times its own capacity in any given year.

So my 10000 litre tank on my double garage will give me up to 400000 litres of water a year.

Of course if I don't use that much it simply refills and then spills into the yard and garden.

There is SO much water wasted in coastal cities in Oz that it is great that the governments have finally woken up and now encourage water tanks to be installed.
 
Re: Flood warning for Adelaide

Here's hoping the Adelaide rain will do some useful soaking in before it runs off. It sounds like a real novelty for all of you there. The gardens will be so grateful.

Julia
 
Re: Flood warning for Adelaide

macca said:
There is SO much water wasted in coastal cities in Oz that it is great that the governments have finally woken up and now encourage water tanks to be installed.
Click to expand...


Funny they encourage every city dweller to collect water, yet they have complete pipe system to collect all water in storm water drains and they let it escape to ocean.

But probably cheaper for council to put blame of not collecting water on every little homeowner / occupier.
 
Re: Flood warning for Adelaide



very good point Happy...

I must say, Adelalide is one of the most advanced cities in pumping storm water back into underground aquifers...

a lot of golf courses are being recruited to set up massive wet land areas which allow storm water to filter and then run into the aquifers...

Also a very high % of houses in Adelaide also have rain water tanks...
 
Re: Flood warning for Adelaide

I've been watching the bureau of met. site (radar map) and it shows a lot of heavy rain near Adelaide. You may just get the local flooding you have talked about. I couldn't work out how to put the map up here.
 
Re: Flood warning for Adelaide

How did you Adelaide folk go with the rain yesterday? Did some of it soak in to your thirsty ground?

Julia
 
Re: Flood warning for Adelaide

Are they too busy mopping up flood water to let us know?
 
Re: Flood warning for Adelaide

we had a lot of heavy rain, but i don't think the flooding was that much...
looks like the ground absorbed a fair bit...

certainly my backyard absorbed it all,
and the pool went up a couple of cm's.
 
Re: Flood warning for Adelaide

nioka said:
Are they too busy mopping up flood water to let us know?
Click to expand...

LOL. In typical fashion, the suspense built up all night. Scheduled to hit Adelaide between 9:30 and 10:00pm. One or two claps of thunder then the BOM puts out :

For people in Adelaide and the Mount Lofty Ranges District
Issued at 9:55 pm on Thursday 21 December 2006

The thunderstorms over Adelaide have now weakened and are no longer expected to be severe.
Click to expand...

And I think the flood alert was canceled . .
 
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