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Old 22nd August 2019, 08:27 AM   #41
lomiller
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Originally Posted by GlennB View Post
Would it have a knock-on effect that makes the atmosphere or general climate impossible for land animals? I'm not disputing what you're saying, but a quick read about mass extinctions doesn't explain why large mammals might be wiped out unless they depend directly on the sea (polar bears, walruses etc spring to mind)
The mass die-off it triggers in the oceans causes changes in ocean chemistry which in tern makes major changes in the composition of the atmosphere. The full scope of changes of these isn’t all that well documented, but two of them would be that Oxygen levels plummet and CO2 levels skyrocket causing even more warming. Other changes are possible as organisms that live in low oxygen conditions often produce toxic by-products.

https://www.pnas.org/content/116/30/14813
https://science.sciencemag.org/conte.../6419/eaat1327
https://science.sciencemag.org/content/348/6231/229
https://www.pnas.org/content/115/26/6596


Originally Posted by Pixel42 View Post
The temperature of the oceans will rise as the world warms and warm water can't dissolve as much CO2 as cold, so surely there's a limit to ocean acidification?
On geological time scales atmospheric CO2 is controlled by the rate at which carbonate rock forms in the oceans. Higher acidity slows down and potentially even reveres this process so rocks are being dissolved instead of formed.

Again, it’s not fully understood but all the major mass extinctions seem to follow the same pattern. Something causes atmospheric CO2 to increase, the oceans acidify, temperatures go way up, Oxygen levels plummet and almost everything dies.
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Old 22nd August 2019, 09:28 AM   #42
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Ah, the idiocracy, who figure it's Global Warming™, at a rate of c. 0.7°C per decade, manifesting as, like, a really hot summer in the UK and Europe.
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Old 22nd August 2019, 02:34 PM   #43
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Originally Posted by lomiller View Post
So you were commenting on the absence of a unit? Why didn't you just say so?

No, on the contrary, I was correcting something you wrote that other people picked up. Something misleading, because you assigned a unit to where I understood no unit should have been assigned. Apparently you are right and the "heat index" unit is Deg F, like in "feeled temperature", although it is a combination of actual temperature and humidity (the two dimensions in your chart). I assumed that the result would be just an index without unit, but wikipedia tells me that the result is Deg F as well. Which is kind of stupid, and misleading as we see by other people picking it up as if London had experienced 115′F actual temperature (which would have been some horrible event).
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Old 23rd August 2019, 07:37 AM   #44
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Originally Posted by IsThisTheLife View Post
Ah, the idiocracy, who figure it's Global Warming™, at a rate of c. 0.7°C per decade, manifesting as, like, a really hot summer in the UK and Europe.
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Old 24th August 2019, 05:10 PM   #45
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Originally Posted by Childlike Empress View Post
No, on the contrary, I was correcting something you wrote that other people picked up. Something misleading, because you assigned a unit to where I understood no unit should have been assigned. Apparently you are right and the "heat index" unit is Deg F, like in "feeled temperature", although it is a combination of actual temperature and humidity (the two dimensions in your chart). I assumed that the result would be just an index without unit, but wikipedia tells me that the result is Deg F as well. Which is kind of stupid, and misleading as we see by other people picking it up as if London had experienced 115′F actual temperature (which would have been some horrible event).
Since lolmiller’s post stated heat index and not temperature I can’t see what your complaint is.
Originally Posted by lomiller View Post
..
Heat index in London reached as high as 115 Deg F, which isn’t all that common even in the US south. A big difference is that no one in the UK has AC.
His post and statement was factually correct.

That other posters did not understand what lolmiller stated is not lolmiller’s fault or responsibility.
Those of us who know what Heat Index is and how it is used we’re not confused by lolmiller’s post at all. I did have to convert to real units, Celsius, to fully appreciate lolmiller’s post, but not to understand it.
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Old 24th August 2019, 06:08 PM   #46
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Originally Posted by EHocking View Post
Since lolmiller’s post stated heat index and not temperature I can’t see what your complaint is.

His post and statement was factually correct.

That other posters did not understand what lolmiller stated is not lolmiller’s fault or responsibility.
Those of us who know what Heat Index is and how it is used we’re not confused by lolmiller’s post at all. I did have to convert to real units, Celsius, to fully appreciate lolmiller’s post, but not to understand it.

Why do you think it is appropriate to insert this random nonsense into the already difficult conversation lomiller and I had about the units of what we said?
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Old 24th August 2019, 06:57 PM   #47
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If you equate summarising the situation to you as random nonsense, I’m not surprised that you misunderstood lolmiller’s clear and correct use of Heat Index as a measurement.

That you did not understand the term or the correctly used units in lolmiller’s posts is not his fault. Nor is your persistence in insisting that his posts were misleading.
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Old 24th August 2019, 08:28 PM   #48
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You failed to answer my question.
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Old 25th August 2019, 09:57 AM   #49
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UK weather: Hottest late August bank holiday weekend on record

Quote:
It has been the hottest late August bank holiday weekend ever - with temperatures reaching 33.3C (91.94F) in west London.
The Met Office confirmed the new record temperature, which was set at Heathrow.
It beats the previous record of 31.5C (88.7F), set in 2001 and again at Heathrow.
The hot temperatures are expected to continue to rise this afternoon, forecasters say.
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Old 25th August 2019, 10:30 AM   #50
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Pretty hot in North London as well.
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Old 25th August 2019, 11:47 AM   #51
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It was 29 degrees at about 3pm according to my vehicle's temperature gauge. That is stupidly hot for this time of year in Scotland.
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Old 25th August 2019, 11:36 PM   #52
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Record heat for an August bank holiday weekend in England and Wales....

Quote:
It has been the hottest late August bank holiday weekend ever - with temperatures reaching 33.3C (91.94F) in west London.

The Met Office confirmed the new record temperature, which was set at Heathrow.

It beats the previous record of 31.5C (88.7F), set in 2001 and again at Heathrow.

And BBC Weather said UK temperatures could reach similar levels on Monday - with highs of up to 33C in south-east England.
https://www.bbc.co.uk/news/uk-49466596

The papers and news websites love this kind of thing because it allows them to have lots of pictures of fruity young girls in bikinis on their pages and still call it news
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Old 28th August 2019, 02:52 AM   #53
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Originally Posted by The Don View Post
The papers and news websites love this kind of thing because it allows them to have lots of pictures of fruity young girls in bikinis on their pages and still call it news
Cf. GCSE and A-level results....
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Old 28th August 2019, 02:59 AM   #54
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Originally Posted by IsThisTheLife View Post
Ah, the idiocracy, who figure it's Global Warming™, at a rate of c. 0.7°C per decade, manifesting as, like, a really hot summer in the UK and Europe.
Ah, the idiocracy, someone pontificating on matters beyond his ken.
Like "Sharia law no-go areas" and Shakespeare.
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Old 28th August 2019, 04:02 AM   #55
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Originally Posted by Information Analyst View Post
Cf. GCSE and A-level results....
And the combination of the two is literally a fifty-something sub-editor's wet dream
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