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This is what I put on my internet site:
( http://www.euronet.nl/users/e_wesker/dat.html ) __________________________________________________ ______ "The Day after Tomorrow", spectacular & amusing bull**** These days a new (intended) "blockbuster movie" is released: "The Day after Tomorrow". In this movie a climate catastrophe is riding roughshod all over the world. First all kinds of voilent weather is raking numorous places, and then "the big freeze" follows. In my opinion it is a load of rubbish, which might give rise to an opportunity to greenhouse sceptics to ridicule sound climate science done by e.g. NOAA or the KNMI. Therefore I list some details from the movie which are plain wrong or highly improbable. The special affects look good as far as I can see from the trailers available on the internet. From this point of view I may well go to the cinema and watch it. But only in the same way that a looked at James Bond movies: I am looking at unpretentious amusement. Don't take it seriously. Some minor details Tornadoes in Los Angeles In the movie Los Angeles is levelled by huge F4 to F5 multiple vortex tornadoes. This is simply impossible. The sea surface temperatures off the Californian coast are far too low to create the conditions needed to produce such beasts. If there are places as examples where no tornadoes (not even a waterspout) are possible these are the subtropical areas where upwelling of cold water takes place: Marocco, Namibia & the NW of South Africa, California and Peru & Northern Chili. A 300 ft tidal wave generated by a storm A 300 ft tidal wave generated by a "superstorm" sweeps over lower Manhattan. (Buildings do not topple - which is highly unlikely.) Also this is simply impossible. The worst case scenario for New York is a repeat of 'the New England hurricane of 1938' and the eye making landfall slightly South-West of the city, thus sending the worst part of the storm and its accompanying storm surge into the New York harbor. In such a scenario the storm surge will be 30 ft above the normal tide. Lower Manhattan will be inundated, and the subway will be flooded. JFK international airport will be rendered useless due to flooding. So: Quite major inconveniance and some $20 billion economic damage, but nothing like in the movie. The trigger is a big ice shelf breaking off near Antarctica Quite big ice sheets (sometimes as big as 5000 - 10000 km˛!) have broken away from the Antarctic pack ice in recent years. Up to now no appreciable climate effects due to these events have been observed. They are probably a result of the present warming, so a consequence. Secondly: The influence of these events on the sea currents in the Northern Hemisphere is (at most) very indirect. Climate change Climate change doesn't occur in one day. So "the big freeze" in the movie is not credible. The movie is in fact a highly exaggerated version of the Younger Dryas cold wave which occurred 12700 years ago. This was caused by a huge fresh water flood from the Laurentide Ice cap (on Canada) into the Atlantic. Due to this the gulf stream stopped, causing the tempratures in Europe and North America to drop dramatically within 50 years. It was a mini ice age which lasted some 1200 years. 11500 years ago the climate flipped back to normal. Currently the Younger Dryas cold wave scenario is regarded by most climate scientists as highly improbable. A similar conclusion can be found in the last IPCC report. If you want to read some more on the subject of climate change, on this internet site quite a few small articles on it can be found. As a start look at http://www.euronet.nl/users/e_wesker/climate.html A final remark Enjoy the movie, but don't take it seriously. __________________________________________________ ______ Mazzel & broge / kind regards, Evert Wesker Amsterdam, The Netherlands http://come.to/wesker (redirect URL, no adv's), or http://www.euronet.nl/users/e_wesker/ |
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