The Polar Vortex and Climate chnage (CO2)

Originally posted by mjp2 ↑

No jopo, I am not arguing with the IPCC.

Last I checked the stratosphere has been cooling as expected, allowing for ozone recovery, consistent with models. So that fingerprint is working out as expected. I am posting from my mobile and was doing so while I was in Aus last week and for some reason it's not letting me copy links from other web sites into posts. Otherwise I'd be referencing links to what I am saying.

Thats neither lying, on this specific issue, nor is my posting continual and deliberate lies. You may be frustrated with my replies, but that's an unacceptable allegation.

On the contrary your claim to have shown no correlation between "CO" and AGW is just hyperbolic BS and a logical fail. And if you cannot acknowledge that you were mistaken attempting to claim that then you are deluded.

Footprint one, on stratospheric cooling, looks just fine and I am making no argument with the IPCC on that one. And I agree that is an important footprint of greenhouse gas caused warming.

Exactly what is happening with the polar vortex and jet stream seems less clear. I've posted links to the articles and papers on the possibility that the observed wobbliness of the jet stream is related to warming. I have read articles that have indicated model resolution is not sufficient to give a clear understanding of effects on the jet stream/polar vortex. And the papers on wobbliness talk of further work being required to attempt to gain clarity on this. That is not indicating a clear fingerprint nor science clarity on this. You have posted IPCC sections suggesting strengthening and pole ward shift of the jets with warming and indicating that's what GCMs seem to be predicting but, as I have said, my reading has suggested there is uncertainty of models predictive value for that.

And as I have already stated I am not sure those two things are necessarily inconsistent. A and B do not necessarily conflict.

Nevertheless this stuff on jet stream and polar vortex impacts is interesting. If you post which IPCC report you copied that section 7.2.4.1 from that would help with following up on the sections 2.7.4 and 2.7.5 refered to. And I'll look for any subsequent IPCC and later science findings on this.

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you said

Exactly what is happening with the polar vortex and jet stream seems less clear.

You are 100% wrong mjp.

The IPCC are EXTREMELY clear as to what controls the polar vortex and the Jet stream. It is you that is not understanding what the IPCC are saying.

We have just spent time on this whole thread posting extracts from the IPCC on what is expected from a cooling stratosphere.

You are struggling with this. Start reading mate.

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