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Strong El Nino here to stay

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Created by bene313 > 9 months ago, 6 Oct 2015
bene313
WA, 1347 posts
6 Oct 2015 1:24PM
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El Niño persists as positive IOD emerges in a warm Indian Ocean
The tropical Pacific ocean and atmosphere are reinforcing each other, maintaining a strong El Niño that is likely to persist into early 2016. Tropical Pacific sea surface temperatures are more than 2 °C above average, exceeding El Niño thresholds by well over 1 °C, and at levels not seen since the 1997–98 event.


More:
www.bom.gov.au/climate/enso/

bene313
WA, 1347 posts
6 Oct 2015 1:30PM
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For those in the West, we are affected by the Indian Ocean Dipole (IOD):

http://www.bom.gov.au/climate/IOD/about_IOD.shtml

The above relates positive IOD with a warmer than usual Indian Ocean. However that section of colder water near Indonesia and at the top of Australia is what affects us. My understanding is that along our coast, currents from the north bring that colder east Indian Ocean water, thus adding to the seabreeze affect. (Please correct me if I am wrong)

austin
671 posts
7 Oct 2015 7:09AM
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It will be windy, now lets move on

ste
WA, 524 posts
7 Oct 2015 7:31AM
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Even a crap season in Perth is good.

prea
QLD, 184 posts
7 Oct 2015 9:32AM
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Is this why there are no northerlys on the gold coast

SUPSurferQLD
QLD, 333 posts
7 Oct 2015 10:07AM
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prea said..
Is this why there are no northerlys on the gold coast


perhaps...... if anything, I would have thought there would be MORE chance of northerly seabreezes, as the water temp is likely to stay cooler for longer...

then again, I haven't really noticed much difference so far about this season than last year. The Northerly's we have had are still being knocked out by 3pm once the storm clouds roll over from the cooling effect.

Hopefully the season is just dryer and more likely to continue into Jan/Feb, rather than the southerly garbage we had last season....

bene313
WA, 1347 posts
7 Oct 2015 8:42AM
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^ El Nino is usually associated with stronger seabreezes. Although I'm not sure about how this works over east.

mazdon
1198 posts
7 Oct 2015 8:44AM
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bene313 said..
For those in the West, we are affected by the Indian Ocean Dipole (IOD):

http://www.bom.gov.au/climate/IOD/about_IOD.shtml

The above relates positive IOD with a warmer than usual Indian Ocean. However that section of colder water near Indonesia and at the top of Australia is what affects us. My understanding is that along our coast, currents from the north bring that colder east Indian Ocean water, thus adding to the seabreeze affect. (Please correct me if I am wrong)


hey bene

my understanding is that the colder water just under png/indo creates a weaker leeuwin (warm) current pushing down from teh north, so the capes (colder) current from the south pushes up a bit further and stronger from the south west and into the lower and mid-west region then "normal" - which makes the waters off of our coast generally cooler for the next few months = stronger breezes as you said.
look up pattiaratchi for papers/research info on the capes current.

i'm sure someone has a more technical knowledge than that - but that's what i was taught.
cheers

jeroen
QLD, 38 posts
7 Oct 2015 7:40PM
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The water under Indonesia, thus in the Indian Ocean swept towards Indonesia by the trades, isn't that cold this year. In non El Nino years the water is much colder in our windy season.

The trades have been weak and it seems that didn't bring the cold water. The wind started late this season. For example, at the spot where I ride at Tabuhan Island in East Java we normally start to have solid trade winds of around 20 knots in May / June. The season stops around end of October. This year the winds kicked in in June / July, but we still had non windy days in July and August.

I was expecting the season to start late and end late, but it seems it has already stopped..

Normally in September the trade winds turn more south. That hasn't happened yet this year. Let's hope the winds will turn south soon because that means some spots in Eastern Indonesia will go off :)

prea
QLD, 184 posts
8 Oct 2015 10:48AM
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Last year there were at least 10 northerlys days in August, and at least 15 days in September
so far this year 2 northerlys in August and 2 or 3 northerlys in September
But there are plenty of southerlys, a lot more than the normal for this time of year, they dont normally start until December.
Is this El Nino

kemp90
QLD, 1694 posts
8 Oct 2015 12:53PM
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prea said...
Last year there were at least 10 northerlys days in August, and at least 15 days in September
so far this year 2 northerlys in August and 2 or 3 northerlys in September
But there are plenty of southerlys, a lot more than the normal for this time of year, they dont normally start until December.
Is this El Nino


If we didnt have the SE we would have more NE. At my place we have already had more NE winds then last year

djt91184
QLD, 1211 posts
8 Oct 2015 2:42PM
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eliknow it 20 knots right now out there

Lambie
QLD, 742 posts
8 Oct 2015 9:06PM
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East coast - cool sea and hot dry land = big differential in airmass potential :-)
That equation usually means great sea breezes!!

Triggerhappy
WA, 174 posts
8 Oct 2015 11:08PM
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From my experience here in WA.

When it was La nina the seabreeze struggles to get near 20 knots all season and the seabreeze dies by 7pm.

When neutral the seabreezes are averaging 20 knots and blows till 8-9

Full blown El nino is going to be friggin awesome.. bring it on :)

Plummet
4862 posts
9 Oct 2015 6:07AM
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Super El nino have kicked in here in the naki. Westerlies as far as the eye can see.

www.swellmap.co.nz/surfing/new-zealand/fitzroy-beach

I'm looking foward to at least 3 months of insane wind!

simonp
213 posts
9 Oct 2015 7:26AM
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It has been rather windy lately, it might pay to secure the water tank.

Plummet
4862 posts
9 Oct 2015 12:32PM
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simonp said..
It has been rather windy lately, it might pay to secure the water tank.


classic.



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"Strong El Nino here to stay" started by bene313