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| uk.sci.weather (UK Weather) (uk.sci.weather) For the discussion of daily weather events, chiefly affecting the UK and adjacent parts of Europe, both past and predicted. The discussion is open to all, but contributions on a practical scientific level are encouraged. |
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#1
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Some very interesting discussion on the programme this morning (still available
on iPlayer). Good to hear Prof Sir Brian Hoskins stressing the great uncertainty in future climate predictions. He said that "we" have no idea what will happen to the Indian monsoon in future and very little idea about how many summers like 2003 there will be in Europe in future. He clearly has little time for the current debate between the polarised views of the "believers" and "unbelievers" on climate change. He said the real discussion is about the uncertainties and unknowns. A man who speaks very sound science. -- Norman Lynagh Tideswell, Derbyshire 303m a.s.l. |
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#2
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On Sep 6, 1:58*pm, "Norman" wrote:
Some very interesting discussion on the programme this morning (still available on iPlayer). Good to hear Prof Sir Brian Hoskins stressing the great uncertainty in future climate predictions. He said that "we" have no idea what will happen to the Indian monsoon in future and very little idea about how many summers like 2003 there will be in Europe in future. He clearly has little time for the current debate between the polarised views of the "believers" and "unbelievers" on climate change. He said the real discussion is about the uncertainties and unknowns. A man who speaks very sound science. -- Norman Lynagh Tideswell, Derbyshire 303m a.s.l. But we do know. They will get worse. Over the last month we have had flooding in Pakistan (and Afganistan), http://www.bbc.co.uk/news/world-south-asia-10896849 http://www.un.org/apps/news/story.as...&Cr=Afghan&Cr1 China, http://www.guardian.co.uk/world/2010...ains-predicted Australia http://www.bbc.co.uk/news/world-asia-pacific-11197001 Guatemala http://www.bbc.co.uk/news/world-latin-america-11189918 And later this week will have record rains here. Each event is dismissed as weather, but tken together they are global climate change! Cheers, Alastair. |
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#3
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On Sep 6, 5:01*pm, Alastair wrote:
... Each event is dismissed as weather, but tken together they are global climate change! Complete non-sequitur though. Isn't it? As far as I'm aware, there's no consensus that GW/AGW will lead to a greater incidence of severe weather events. Some theorise that it will of course, but equally some have the opposite interpretation - overall increased thermal energy in the atmosphere vs a reduced polar/equatorial temperature gradient - which will have the upper hand in terms of generating severe events? Has the likely winner been declared yet? However, this sort of thing should be easily testable, perhaps so easily in fact - assuming that the necessary wordlwide data is available - that it's presumably already been done by someone. If you can objectively define what's to be counted as a severe weather event then has the worldwide incidence increased significantly or not over the past 50 years or so? But maybe the necessary historical record isn't uniformly available for the less well-instrumented parts of the world? JGD |
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#4
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On 6 Sep, 18:01, Alastair wrote:
On Sep 6, 1:58*pm, "Norman" wrote: Some very interesting discussion on the programme this morning (still available on iPlayer). Good to hear Prof Sir Brian Hoskins stressing the great uncertainty in future climate predictions. He said that "we" have no idea what will happen to the Indian monsoon in future and very little idea about how many summers like 2003 there will be in Europe in future. He clearly has little time for the current debate between the polarised views of the "believers" and "unbelievers" on climate change. He said the real discussion is about the uncertainties and unknowns. A man who speaks very sound science. -- Norman Lynagh Tideswell, Derbyshire 303m a.s.l. But we do know. They will get worse. Over the last month we have had flooding in Pakistan (and Afganistan),http://www.bbc.co.uk/news/world-sout...&Cr=Afghan&Cr1 China,http://www.guardian.co.uk/world/2010...s-heavy-rains-... Australiahttp://www.bbc.co.uk/news/world-asia-pacific-11197001 Guatemalahttp://www.bbc.co.uk/news/world-latin-america-11189918 And later this week will have record rains here. Each event is dismissed as weather, but tken together they are global climate change! Cheers, Alastair. "...But we do know. They will get worse...." More unfounded, alarmist hooey... CK |
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#5
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On Monday 06 September 2010 17:34, prodata scribbled:
Complete non-sequitur though. Isn't it? ^^^^^^^^^^^^ Careful! The last time someone used that word here it started a row that makes the one over AGW look like a storm in a tea-cup. ;-) -- Graham Davis, Bracknell, Berks. E-mail: "newsman", not "newsboy". "It pays to keep an open mind, but not so open your brains fall out." - Carl Sagan Another Brick in The Wall: http://www.youtube.com/watch?v=OIP38eq-ywc |
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#6
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On Monday 06 September 2010 17:01, Alastair scribbled:
On Sep 6, 1:58 pm, "Norman" wrote: Some very interesting discussion on the programme this morning (still available on iPlayer). Good to hear Prof Sir Brian Hoskins stressing the great uncertainty in future climate predictions. He said that "we" have no idea what will happen to the Indian monsoon in future and very little idea about how many summers like 2003 there will be in Europe in future. He clearly has little time for the current debate between the polarised views of the "believers" and "unbelievers" on climate change. He said the real discussion is about the uncertainties and unknowns. A man who speaks very sound science. But we do know. They will get worse. Over the last month we have had flooding in Pakistan (and Afganistan), http://www.bbc.co.uk/news/world-south-asia-10896849 http://www.un.org/apps/news/story.as...&Cr=Afghan&Cr1 China, http://www.guardian.co.uk/world/2010...s-heavy-rains- predicted Australia http://www.bbc.co.uk/news/world-asia-pacific-11197001 Guatemala http://www.bbc.co.uk/news/world-latin-america-11189918 And later this week will have record rains here. Each event is dismissed as weather, but tken together they are global climate change! And Niger: http://www.guardian.co.uk/commentisf...donor-fatigue- media-images http://www.worldvision.org.uk/server.php?show=nav.3687 -- Graham Davis, Bracknell, Berks. E-mail: "newsman", not "newsboy". Pakistan Floods Appeal: http://www.dec.org.uk/ Niger Appeals: http://www.dec.org.uk/item/467 |
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#7
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On 6 Sep, 14:58, "Norman" wrote:
Some very interesting discussion on the programme this morning (still available on iPlayer). Good to hear Prof Sir Brian Hoskins stressing the great uncertainty in future climate predictions. He said that "we" have no idea what will happen to the Indian monsoon in future and very little idea about how many summers like 2003 there will be in Europe in future. He clearly has little time for the current debate between the polarised views of the "believers" and "unbelievers" on climate change. He said the real discussion is about the uncertainties and unknowns. A man who speaks very sound science. -- Norman Lynagh Tideswell, Derbyshire 303m a.s.l. It's the fact that we actually have very little understanding of the effects we can have on climate, that we (meaning the human race, rather than just you & me!) need to minimise our impact on the global environment, better safe than sorry. Chucking vast quantities of CO2 (and other things) into the atmosphere, or removing huge chunks of equatorial rainforests, is clearly a bad idea, as we don't know what the outcome will be. Interesting that gale frequencies have declined markedly along the Atlantic seaboard of the UK over the last decade or so. (The higher frequencies in the '90s were all put to to AGW). This has been the case in Orkney, it's the case in Cornwall, so it's not simply a change in depression tracks. Possibly down to the greatest warming being in the arctic, therefore a lower latitudinal temprature gradient? But who really knows. Graham Penzance |
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#8
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Graham Easterling wrote:
On 6 Sep, 14:58, "Norman" wrote: Some very interesting discussion on the programme this morning (still available on iPlayer). Good to hear Prof Sir Brian Hoskins stressing the great uncertainty in future climate predictions. He said that "we" have no idea what will happen to the Indian monsoon in future and very little idea about how many summers like 2003 there will be in Europe in future. He clearly has little time for the current debate between the polarised views of the "believers" and "unbelievers" on climate change. He said the real discussion is about the uncertainties and unknowns. A man who speaks very sound science. -- Norman Lynagh Tideswell, Derbyshire 303m a.s.l. It's the fact that we actually have very little understanding of the effects we can have on climate, that we (meaning the human race, rather than just you & me!) need to minimise our impact on the global environment, better safe than sorry. Chucking vast quantities of CO2 (and other things) into the atmosphere, or removing huge chunks of equatorial rainforests, is clearly a bad idea, as we don't know what the outcome will be. Interesting that gale frequencies have declined markedly along the Atlantic seaboard of the UK over the last decade or so. (The higher frequencies in the '90s were all put to to AGW). This has been the case in Orkney, it's the case in Cornwall, so it's not simply a change in depression tracks. Possibly down to the greatest warming being in the arctic, therefore a lower latitudinal temprature gradient? But who really knows. Graham Penzance That's the point that Brian Hoskins was making. Global warming is a fact but what the long-term effects of it will be - globally, regionally and locally - is really a great unknown. The professional scientific community recognise this and this is where the real discussion should be. The reduced gale frequency around the UK is just one example of a change that has occurred in the past decade or two. Is this random or is it a direct consequence of global warming? At present I don't think any serious scientist can answer that. The problem is that the climate signal is very noisy so it is only with the benefit of hindsight that true changes in the mean can be differentiated from random fluctuations either side of the mean. Interesting times...... -- Norman Lynagh Tideswell, Derbyshire 303m a.s.l. |
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#9
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On 2010-09-06, prodata wrote:
On Sep 6, 5:01*pm, Alastair wrote: ... Each event is dismissed as weather, but tken together they are global climate change! Complete non-sequitur though. Isn't it? As far as I'm aware, there's no consensus that GW/AGW will lead to a greater incidence of severe weather events. Some theorise that it will of course, but equally some have the opposite interpretation - overall increased thermal energy in the atmosphere vs a reduced polar/equatorial temperature gradient - which will have the upper hand in terms of generating severe events? Has the likely winner been declared yet? However, this sort of thing should be easily testable, perhaps so easily in fact - assuming that the necessary wordlwide data is available - that it's presumably already been done by someone. If you can objectively define what's to be counted as a severe weather event then has the worldwide incidence increased significantly or not over the past 50 years or so? But maybe the necessary historical record isn't uniformly available for the less well-instrumented parts of the world? Then there is the issue that there's more people around to notice severe weather. More people able to pass the information on. More people in places where there were none, more people in flood-prone areas. Isn't this observational bias? -- comp.john |
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#10
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On Sep 6, 5:34*pm, prodata wrote:
On Sep 6, 5:01*pm, Alastair wrote: ... Each event is dismissed as weather, but tken together they are global climate change! Complete non-sequitur though. Isn't it? As far as I'm aware, there's no consensus that GW/AGW will lead to a greater incidence of severe weather events. Some theorise that it will of course, but equally some have the opposite interpretation - overall increased thermal energy in the atmosphere vs a reduced polar/equatorial temperature gradient - which will have the upper hand in terms of generating severe events? Has the likely winner been declared yet? However, this sort of thing should be easily testable, perhaps so easily in fact - assuming that the necessary wordlwide data is available - that it's presumably already been done by someone. If you can objectively define what's to be counted as a severe weather event then has the worldwide incidence increased significantly or not over the past 50 years or so? But maybe the necessary historical record isn't uniformly available for the less well-instrumented parts of the world? JGD I was having a similar argument in the pub this evening with someone whose response was, if thought about for a second or two, quite breathtaking. He said that I basically had too much knowledge ( being aware that I had been in the business, albeit a long time ago) and was too involved with the minutiae of meteorological events and their causes, inplying that he, unencumbered by all this, could offer a broader view and that was that things were going to get rapidly "worse", which meant not just hotter but capricious and chaotic ("obviously"). He was certainly educated and knew about the effect of CO2 and methane but only a superficial knowledge of atmospheric processes. He thought I couldn't see the wood for the trees. But it's a purely technical subject, not an impressionistic one, and you have to know what makes trees grow or wither. Tudor Hughes, Warlingham, Surrey |
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