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Rab said:
Keep in mind as global temperatures rise there will be far more moisture in the air, but also combined with higher temps, this has the perverse effect of areas having very different outcomes to each other due to geography and location, some will see massive increases in rainfall due to higher air moisture, and other areas will dry out dramatically with higher temperatures, all of which will have far more active weather patterns like huge storms/tornadoes due to rising energy levels in the whole system resulting in greater instability in a run-away weather system, the danger is once the tipping point has been reached human intervention will have negligible effect |
I mean, it's hard to be sure. For instance, most models in the 2000s estimated stronger Hadley circulation with increasing temperatures but now it is theorized that both Hadley and Walker circulation would be weaker than present day due to decreased equator-to-pole temperature gradients. As for storms, we'll have to see. So far neither cyclones or tornadoes seem to be becoming more prevalent.
That is not to say warming is desired or morally fine, particularly at the present scale. While Earth has been much warmer throughout most of its history, climate changed in scales 10 - 1,000 times slower than current rates and animals and plants could migrate without cities and other human infrastructure in their way. Half of the world's population living at or very close to sea level doesn't help, either.
But to assume Earth's pre-industrial climate was somehow optimal for life or even human interests is a fairly ad hoc hypothesis.
