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5:25pm 25 July 2006
Trentham: high elevation, track to west-northwest of observer
Tracking: approx 010T (slightly east of north)
A/c type: Twin, high bypass, passenger jet (?B737)
Altitude: high, ?FL280
Appearance: white, trail appeared somewhat behind tail, trail evapourated approx 500m behind a/c, trail noticably shortened the further north it went.
Other clouds: near cloudless sky
Other phenomena: none, jet noise heard when nearly overhead
Weather: anticyclone centred just west of NZ, fine and clear, light southerly in Wellington
Comment: probably genuine contrail
12:10pm Saturday 23 September
Trentham: high elevation, track to west of observer, probably overhead Porirua
Plane moving north
Started probably over Wellington city
White, forming close to plane, slowly spreading horizontally to estimated 700 metres wide before dissipating after 20 minutes.
Other clouds: Cumulus, and very thin cirrus patches.
Two other trails visible well to the west.
Another forming at time of writing, about a kilometre west of the first one.
Plane moving north.
Second one is spreading and dissipating like the first one.
Sun is too high in the sky relative to the contrail, so no "Black Line" observed from here. That may have been observable from suburbs further west of Hutt Valley.
There may be quite a lot of reports today from central New Zealand.
Formal analysis not attempted. We know what the result will be.
Chemtrailing all day today. Ive got a couple of average pics. Do you think its possible 3 or 4 airliners would fly over at relatively the same time.
What are your thoughts on the following with regard to a connection...
Quote:
Scientists are warning of record low ozone levels on Sunday.
A breakaway atmospheric system will increase UV radiation by almost half in parts of the country.
Reports from European weather monitoring agencies have warned of a rogue patch of ozone-light atmosphere likely to pass over New Zealand on Sunday.
A forecast 23 per cent drop in atmospheric ozone would let more solar radiation through, pushing UV index levels in the north as high as 8, from a usual September level of 6, National Institute of Water and Atmospheric Research scientist Greg Bodeker said.
South Island UV levels would rise to 5.5 from 4, with ski-fields as high as 8.
The levels were low compared with summer UV readings of 13, but a mix of fine weather, school holidays and winter skin could catch people out, Dr Bodeker said. "They're all white and pasty coming out of winter and their skin hasn't been conditioned for high UV."
The patch of thin ozone had separated from the edge of the permanent thin ozone layer over Antarctica and was over the southern Indian Ocean yesterday.
"It's moving like a weather front and will sweep over New Zealand on Sunday afternoon," Dr Bodeker said. The forecast was for fine weather with light cloud over most of the country.
SunSmart spokeswoman Wendy Billingsley said that, when UV levels were 6 or above, "we all need to follow the slip, slop, slap and wrap rules".
Dr Bodeker said heavy cloud would block the sun's rays, but light cloud cover, where the sun was still visible, increased the UV effect because it reflected radiation.
Joined: 05 Nov 2003
Posts: 814
Location: Auckland, New Zealand
Posted: Sat Sep 23, 2006 6:01 pm Post Subject:
Hi Deano
Deano wrote:
Do you think its possible 3 or 4 airliners would fly over at relatively the same time
I have been working on our airline vector map solidly now for the past few days trying to get it finalised and ready for upload. One thing that seeing all the vectors on the same map does is make you realise just how much traffic is flying over that central portion of New Zealand.
The map shouldn't be too much further away now. I will also upload a 25 page PDF document (it'll be around 11mbs) which will allow you to print out all 25 pages on A4 paper and stick them together to form a wall chart just over a metre high. I did a test run on the uncompleted map the other day and it took over 3 hours to output/create the document to PDF from my Illustration application :P
We'll upload a first edition which will be as complete as we can make it at this time and add to it if and when necessary...
Leave Inital time where it is
Region: South Pacific
Forecast: 0 or 24 hours or whatever
Level: does not matter
First Color Fill: Total Ozone (bottom of the list)
All the others: None
You can experiment with other combinations for other purposes.
The 4 contrails I saw were:
2 probably an hour old, low to the western horizon, possibly over Marlborough;
and 2 overhead, about 20 minutes apart.
These could all be the same airline or any mix of the many operating.
Deano: "only the aircraft laying down the chems are not airliners"
Nobody was "laying down the chems" today. What we saw were jet engine exhaust condensation clouds. There is no "they" to be argued over. Hello-o
Melody: about the map in PDF, will you be doing a one-page version?
Im interested in what you think "they are" if not airliners
and why?
What is creating the chems is a more of a small jet plane in size. It is always the same type of aircraft. I can view it easier with my eye than with a good shot at full zoom on my camera. It has an unusual paintjob which seems to give it a dull white silvery look. Like no jet Ive seen. I have seen many different types of passenger planes at altitude and quite frankly none of them are creating contrails.
Joined: 05 Nov 2003
Posts: 387
Location: Auckland, New Zealand
Posted: Sun Sep 24, 2006 3:59 pm Post Subject:
Hello-o Hector,
Your comments to Deano are a little disparaging don't you think?
Quote:
These could all be the same airline or any mix of the many operating.
Deano: "only the aircraft laying down the chems are not airliners"
Nobody was "laying down the chems" today. What we saw were jet engine exhaust condensation clouds. There is no "they" to be argued over. Hello-o
Deano is a valued member of our forum and one who has proven himself over a long period to be a person who is genuinely concerned about the nature of the way things are in this country - and not just what is happening in our skies. We share many of Deano's concerns, we also recognise his sincerity and respect him for that. You obviously do not respect him as your tone would indicate. If you wish others to have respect for your words then you will have to take control of your undoubted sense of superiority and treat others with respect. Deano and others have seen things that you have not, and have given a great deal of consideration to what they have experienced, they may well know things that you do not. Definitive statements debunking Deano's comments are somewhat inappropriate for someone who feels they have a purpose in this forum.
You also show your lack of respect for Mysterious New Zealand and everyone here in neglecting to address the spelling mistakes in your posts. Yes, I know others are equally as careless, however you are in a different category to most. You have put yourself here in a sort of official capacity representing both your profession and your department. There is no way you would present reports in your professional consultative capacity with such errors, because it would matter too much to you how these reports are perceived. It would appear that with us it does not matter to you - or it could be that you wish to deliberately display lack of respect and superiority.
Others on this forum are genuinely part of the texting generation for which lack of punctuation and spelling mistakes are part of the required 'language'. For others it is an affectation to make it appear that they are 'kewl' (fashionably current). You are not in either of these categories - or are you?
There is an important role for your participation here in this forum with respect to the search for the truth. Ideally it is a role of partnership. Comments such as the above to Deano do nothing for your credibility and in our opinion denigrate all your hard work with respect to contrail charts etc. You run the risk of being thrown out with 'the bath water'. Enough already!
Quote:
Sun is too high in the sky relative to the contrail, so no "Black Line" observed from here. That may have been observable from suburbs further west of Hutt Valley.
Hahaha, it looks like you are continuing to exercise your sense of humour again. In case you have made a 'genuine' comment, we feel we must attempt to educate you. Shadows are shadows, they are not Black Lines. There are two types of shadows associated with contrails, neither are Black Lines. There are also Distrails, they are not Black Lines. Some people think that Black Lines are shadows, even some' Chemtrail sites’ label photos of shadows as Black Lines, they are all wrong. Only Black Lines are Black Lines. Black Lines are very scary stuff; they have the power to severely shake up your version of reality. Don't go there Hector...
I have until now declined to respond to this exploratative abmonishment by John. I have kept to a low profile and posted when I felt I could make a positive and constructive contribution to the topic, and without indvartently offending anyone's delicate sensibilities.
In another thread, a poster appears to have picked up on a statement of John's and extended it by suggesting that I am paid to post here. I have responded to that suggestion in that thread.
Now, regarding John's statement in his post above: I have not, and do not post on this site in an official capacity.
On an unrelated matter mentioned in his post; John first offered back in August to put up an article about what apparently are referred to as Black Lines. Is anyone else (who is also not scared of them) waiting to find out more about this interesting aspect of contrails?
