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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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I've twice tried to post this under Joe's hinting of another cool
winter for Europe thread, but for some reason it's not appearing, so here goes again. Looking at the Met Office Ensemble-mean maps for Dec/Jan/Feb, they are forecasting temperatures between 1°C & 1.5°C above average. http://www.metoffice.gov.uk/science/.../ens_mean.html And looking at their European long-range probability maps for the same period they are forecasting the following probability; http://www.metoffice.gov.uk/science/...seas_prob.html Temperatures above average 60-80% confidence Temperatures average 20-40% confidence Temperatures below average less than 20% confidence. So on both counts the Met Office are forecasting a Mild Winter. Will they have Egg on their Faces 2 years in a row? |
#2
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On 7 Oct, 20:35, Teignmouth wrote:
I've twice tried to post this under Joe's hinting of another cool winter for Europe thread, but for some reason it's not appearing, so here goes again. Looking at the Met Office Ensemble-mean maps for Dec/Jan/Feb, they are forecasting temperatures between 1°C & 1.5°C above average.http://www..metoffice.gov.uk/science.../ensemble/ens_... And looking at their European long-range probability maps *for the same period they are forecasting the following probability;http://www.metoffice.gov.uk/science/.../probability/g... Temperatures above average 60-80% confidence Temperatures average 20-40% confidence Temperatures below average less than 20% confidence. So on both counts the Met Office are forecasting a Mild Winter. Will they have Egg on their Faces 2 years in a row? Is that not percentages similar to the winter forecast issued last Autumn. Simon S (South Yorkshire) |
#3
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![]() ha ha , and you beleive them? they havent given the up the LRF game for nothing. the last few summers and last 2 winters killed all that theory. next... On 07/10/2010 8:35 PM, Teignmouth wrote: I've twice tried to post this under Joe's hinting of another cool winter for Europe thread, but for some reason it's not appearing, so here goes again. Looking at the Met Office Ensemble-mean maps for Dec/Jan/Feb, they are forecasting temperatures between 1°C& 1.5°C above average. http://www.metoffice.gov.uk/science/.../ens_mean.html And looking at their European long-range probability maps for the same period they are forecasting the following probability; http://www.metoffice.gov.uk/science/...seas_prob.html Temperatures above average 60-80% confidence Temperatures average 20-40% confidence Temperatures below average less than 20% confidence. So on both counts the Met Office are forecasting a Mild Winter. Will they have Egg on their Faces 2 years in a row? |
#4
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On Oct 7, 8:35*pm, Teignmouth wrote:
I've twice tried to post this under Joe's hinting of another cool winter for Europe thread, but for some reason it's not appearing, so here goes again. Looking at the Met Office Ensemble-mean maps for Dec/Jan/Feb, they are forecasting temperatures between 1°C & 1.5°C above average.http://www..metoffice.gov.uk/science.../ensemble/ens_... And looking at their European long-range probability maps *for the same period they are forecasting the following probability;http://www.metoffice.gov.uk/science/.../probability/g... Temperatures above average 60-80% confidence Temperatures average 20-40% confidence Temperatures below average less than 20% confidence. So on both counts the Met Office are forecasting a Mild Winter. Will they have Egg on their Faces 2 years in a row? If someone could avoid having egg on their face with a LR seasonal forecast that was correct 5 times on the bounce, I'd start to take notice of them. There's not a single forecaster, or organisation, that has managed to do that over the last 5 years, AFAIK. The MetO could get the winter forecast wrong this coming year, then be right the next 8 running. How would you feel about them then, T? Not that the general pubic, the media and almost anyone else would take a blind bit of notice, as they only focus on the mistakes and the ridiculous (and painfully real) PR gaffes. It's difficult, incremental work by good research scientists, which is showing very slow progress and relies on an awful lot of peer reviewed research and hindsight stats, to tease out cause and effect. Anyone who thinks they can do better needs their last 5 seasonal forecasts examining.......and their bumps. *)) It's fun watching and reading their forecasts each winter though! Reading their gloating and that of their followers when they get one right (after messing up and conveniently forgetting the last 4 or so years' forecasts) is not so edifying. As it happens, in terms of temperature, warmer than average, with a spread around +1C sounds a very good bet for this winter, as the world is warmer than it was in comparison to the 1971-2000 mean and the UK is hardly immune to that trend. If Lockwood (2010) is correct, in saying that a solar minimum can produce changes in stratospheric winds which can lead to more NH blocking at the surface, a spread around +0.5 might be better. I'd just go for warmer than average, but then again, I have every winter, spring, summer and autumn, since about 1990 when I first started talking about this. If you can beat about 75% correct over 20 years and 80 forecasts, then well done (less than 75% in winter, mind)*. UK seasonal forecasting for me remains pretty impossible and that's a real regret. 20 years ago, I thought we'd be far better by 2010 than we actually are. I don't think precipitation is forecastable at 3 months in advance with any decent accuracy at all. i.e. it's pretty much a guess. The MetO has about a 65% success record in predicting the sign of the NAO from using N. Atlantic SSTs in early summer, but even a -ve/+ve NAO is not an accurate indicator of the UK winter weather. *Hardly a claim to fame: it's the ability to predict the cold ones that counts and I have no idea, the same as everybody else, when they will come along. If I'd have forecast a cold winter every year since 1990, I'd have been correct 7 times and wrong far more (Hadley, below), but I'd have great fun saying how good I was, after the 7 colder than average ones and I'd be on a real roll after the last 2!! *)) http://www.metoffice.gov.uk/climate/...ics/uktemp.txt |
#5
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On 8 Oct, 23:36, mumford wrote:
ha ha , and you beleive them? they havent given the up the LRF game for nothing. the last few summers and last 2 winters killed all that theory. next... On 07/10/2010 8:35 PM, Teignmouth wrote: I've twice tried to post this under Joe's hinting of another cool winter for Europe thread, but for some reason it's not appearing, so here goes again. Looking at the Met Office Ensemble-mean maps for Dec/Jan/Feb, they are forecasting temperatures between 1°C& *1.5°C above average. http://www.metoffice.gov.uk/science/.../ensemble/ens_... And looking at their European long-range probability maps *for the same period they are forecasting the following probability; http://www.metoffice.gov.uk/science/.../probability/g... Temperatures above average 60-80% confidence Temperatures average 20-40% confidence Temperatures below average less than 20% confidence. So on both counts the Met Office are forecasting a Mild Winter. Will they have Egg on their Faces 2 years in a row? Mumford & Sons, I most certainly do note agree with the Met Office about this coming winter, I think we are in for another cold & harsh winter here in the UK. |
#6
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On 9 Oct, 09:28, Dawlish wrote:
On Oct 7, 8:35*pm, Teignmouth wrote: I've twice tried to post this under Joe's hinting of another cool winter for Europe thread, but for some reason it's not appearing, so here goes again. Looking at the Met Office Ensemble-mean maps for Dec/Jan/Feb, they are forecasting temperatures between 1°C & 1.5°C above average.http://www.metoffice.gov.uk/science/.../ensemble/ens_... And looking at their European long-range probability maps *for the same period they are forecasting the following probability;http://www.metoffice.gov.uk/science/.../probability/g... Temperatures above average 60-80% confidence Temperatures average 20-40% confidence Temperatures below average less than 20% confidence. So on both counts the Met Office are forecasting a Mild Winter. Will they have Egg on their Faces 2 years in a row? If someone could avoid having egg on their face with a LR seasonal forecast that was correct 5 times on the bounce, I'd start to take notice of them. There's not a single forecaster, or organisation, that has managed to do that over the last 5 years, AFAIK. The MetO could get the winter forecast wrong this coming year, then be right the next 8 running. How would you feel about them then, T? Not that the general pubic, the media and almost anyone else would take a blind bit of notice, as they only focus on the mistakes and the ridiculous (and painfully real) PR gaffes. It's difficult, incremental work by good research scientists, which is showing very slow progress and relies on an awful lot of peer reviewed research and hindsight stats, to tease out cause and effect. Anyone who thinks they can do better needs their last 5 seasonal forecasts examining.......and their bumps. *)) It's fun watching and reading their forecasts each winter though! Reading their gloating and that of their followers when they get one right (after messing up and conveniently forgetting the last 4 or so years' forecasts) is not so edifying. As it happens, in terms of temperature, warmer than average, with a spread around +1C sounds a very good bet for this winter, as the world is warmer than it was in comparison to the 1971-2000 mean and the UK is hardly immune to that trend. If Lockwood (2010) is correct, in saying that a solar minimum can produce changes in stratospheric winds which can lead to more NH blocking at the surface, a spread around +0.5 might be better. I'd just go for warmer than average, but then again, I have every winter, spring, summer and autumn, since about *1990 when I first started talking about this. If you can beat about 75% correct over 20 years and 80 forecasts, then well done (less than 75% in winter, mind)*. UK seasonal forecasting for me remains pretty impossible and that's a real regret. 20 years ago, I thought we'd be far better by 2010 than we actually are. I don't think precipitation is forecastable at 3 months in advance with *any decent accuracy at all. i.e. it's pretty much a guess. The MetO has about a 65% success record in predicting the sign of the NAO from using N. Atlantic SSTs in early summer, but even a -ve/+ve NAO is not an accurate indicator of the UK winter weather. *Hardly a claim to fame: it's the ability to predict the cold ones that counts and I have no idea, the same as everybody else, when they will come along. If I'd have forecast a cold winter every year since 1990, I'd have been correct 7 times and wrong far more (Hadley, below), but I'd have great fun saying how good I was, after the 7 colder than average ones and I'd be on a real roll after the last 2!! *)) http://www.metoffice.gov.uk/climate/...ics/uktemp.txt You do like the sound of your own voice, don't you. Give it a rest, we are all tired of it now. |
#7
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On Oct 9, 10:04*am, Teignmouth wrote:
On 9 Oct, 09:28, Dawlish wrote: On Oct 7, 8:35*pm, Teignmouth wrote: I've twice tried to post this under Joe's hinting of another cool winter for Europe thread, but for some reason it's not appearing, so here goes again. Looking at the Met Office Ensemble-mean maps for Dec/Jan/Feb, they are forecasting temperatures between 1°C & 1.5°C above average.http://www.metoffice.gov.uk/science/.../ensemble/ens_... And looking at their European long-range probability maps *for the same period they are forecasting the following probability;http://www..metoffice.gov.uk/science.../probability/g... Temperatures above average 60-80% confidence Temperatures average 20-40% confidence Temperatures below average less than 20% confidence. So on both counts the Met Office are forecasting a Mild Winter. Will they have Egg on their Faces 2 years in a row? If someone could avoid having egg on their face with a LR seasonal forecast that was correct 5 times on the bounce, I'd start to take notice of them. There's not a single forecaster, or organisation, that has managed to do that over the last 5 years, AFAIK. The MetO could get the winter forecast wrong this coming year, then be right the next 8 running. How would you feel about them then, T? Not that the general pubic, the media and almost anyone else would take a blind bit of notice, as they only focus on the mistakes and the ridiculous (and painfully real) PR gaffes. It's difficult, incremental work by good research scientists, which is showing very slow progress and relies on an awful lot of peer reviewed research and hindsight stats, to tease out cause and effect. Anyone who thinks they can do better needs their last 5 seasonal forecasts examining.......and their bumps. *)) It's fun watching and reading their forecasts each winter though! Reading their gloating and that of their followers when they get one right (after messing up and conveniently forgetting the last 4 or so years' forecasts) is not so edifying. As it happens, in terms of temperature, warmer than average, with a spread around +1C sounds a very good bet for this winter, as the world is warmer than it was in comparison to the 1971-2000 mean and the UK is hardly immune to that trend. If Lockwood (2010) is correct, in saying that a solar minimum can produce changes in stratospheric winds which can lead to more NH blocking at the surface, a spread around +0.5 might be better. I'd just go for warmer than average, but then again, I have every winter, spring, summer and autumn, since about *1990 when I first started talking about this. If you can beat about 75% correct over 20 years and 80 forecasts, then well done (less than 75% in winter, mind)*. UK seasonal forecasting for me remains pretty impossible and that's a real regret. 20 years ago, I thought we'd be far better by 2010 than we actually are. I don't think precipitation is forecastable at 3 months in advance with *any decent accuracy at all. i.e. it's pretty much a guess. The MetO has about a 65% success record in predicting the sign of the NAO from using N. Atlantic SSTs in early summer, but even a -ve/+ve NAO is not an accurate indicator of the UK winter weather. *Hardly a claim to fame: it's the ability to predict the cold ones that counts and I have no idea, the same as everybody else, when they will come along. If I'd have forecast a cold winter every year since 1990, I'd have been correct 7 times and wrong far more (Hadley, below), but I'd have great fun saying how good I was, after the 7 colder than average ones and I'd be on a real roll after the last 2!! *)) http://www.metoffice.gov.uk/climate/...ics/uktemp.txt You do like the sound of your own voice, don't you. Give it a rest, we are all tired of it now.- Hide quoted text - - Show quoted text - If I type a lot, it's because it needs it and I don't see a lot wrong with doing that. If there's anything wrong with the content, focus on that instead. Why on earth do you think it's going to be a cold winter? |
#8
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On Saturday 09 October 2010 10:04, Teignmouth scribbled:
You do like the sound of your own voice, don't you. Give it a rest, we are all tired of it now. If you're tired, use the killfile and have a rest. All you've done here is to re-publish a load of stuff you say you don't like. You didn't even snip it! That seems rather perverse. -- 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 |
#9
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![]() "Graham P Davis" wrote in message ... On Saturday 09 October 2010 10:04, Teignmouth scribbled: You do like the sound of your own voice, don't you. Give it a rest, we are all tired of it now. If you're tired, use the killfile and have a rest. All you've done here is to re-publish a load of stuff you say you don't like. You didn't even snip it! That seems rather perverse. Googlers can't use killfiles LOL! Will -- |
#10
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On Saturday 09 October 2010 13:30, Will Hand scribbled:
"Graham P Davis" wrote in message ... On Saturday 09 October 2010 10:04, Teignmouth scribbled: You do like the sound of your own voice, don't you. Give it a rest, we are all tired of it now. If you're tired, use the killfile and have a rest. All you've done here is to re-publish a load of stuff you say you don't like. You didn't even snip it! That seems rather perverse. Googlers can't use killfiles LOL! Grief! Why do people use such garbage? -- 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 |
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