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Cape Town will have an interesting climate for sure. Summer highs maybe about 20°C, with occassional heat waves with over 30°C- winter rather coolish but not really cold with maybe a few degrees above freezing on average. But significant snowfalls should then occur on an annual basis.
Also another interesing thing would be will the coastal Namib desert still exist in this scenario?
It would be about 40° South then in the westwind zone, so i guess it will be wetter than now.
Southern Chile has glaciers. The Cape of Good Hope would be as famous as Cape Horn for shipwrecks and wild weather. Mariners call fifty degreese south the furious fifties. They call sixty degrees south the screaming sixties. For thousands of years thevind has blown out of the west at 60 south. The swells are huge. I sat in the Pilot's seat of my helicopter which as chained to th deck and watched the altimeter go up and own 125 feet. Then there were waves on top of the swells. Our ship rolled 56 degrees either side of an even keel. When the ship rolls 40 degrees, stops and then rolls another 16 degrees in the sme direction it make you wonder just how far she's going to roll!
On the other hand, the Sues canal does need to be widened.
As for Dallol, I looked for an eastern and slightly inland city around 6*S, adjusting for altitude it would be around 34*C/23*C throughout the year with a wet and dry season. http://en.wikipedia.org/wiki/Morogoro
I wonder if hurricanes would start forming in the Mediterranean sea in a scenario like that and I wonder what would happen to hurricane activity in the Atlantic. cape town would have a climate similar to places like Glasgow which is at a similar latitude but a degree further north and in the northern hemisphere. so basically it would have wet cloudy winters with highs in the upper 30s to low 40s. and summers with highs in the upper 60s to low 70s but with occasional heat waves bringing temps to the mid 80s.
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