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You can find the current article at its original source at https://www.theguardian.com/uk-news/2017/nov/12/pollutionwatch-sepia-skies-point-to-smoke-and-smog-in-our-atmosphere
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| Version 3 | Version 4 |
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| Pollutionwatch: sepia skies point to smoke and smog in our atmosphere | Pollutionwatch: sepia skies point to smoke and smog in our atmosphere |
| (11 days later) | |
| While Hurricane Ophelia battered Ireland, to the east the sun turned red and a dense brown cloud rendered central and southern England in sepia. Street lamps switched on, cars needed headlights and lights were needed indoors. Social media and news reporters likened the effect to scenes from Blade Runner. | While Hurricane Ophelia battered Ireland, to the east the sun turned red and a dense brown cloud rendered central and southern England in sepia. Street lamps switched on, cars needed headlights and lights were needed indoors. Social media and news reporters likened the effect to scenes from Blade Runner. |
| The sepia skies might have been more familiar to Victorians and Edwardians. Meteorologists used the term “high fog” in their reports for days when skies darkened and gas lamps and candles were lit indoors. Despite the thick fog above, oddly, views at the ground were unobscured. Around 1900, Claude Monet travelled to London for its wonderful light and painted red sun and orange winter tints over the Houses of Parliament. | The sepia skies might have been more familiar to Victorians and Edwardians. Meteorologists used the term “high fog” in their reports for days when skies darkened and gas lamps and candles were lit indoors. Despite the thick fog above, oddly, views at the ground were unobscured. Around 1900, Claude Monet travelled to London for its wonderful light and painted red sun and orange winter tints over the Houses of Parliament. |
| High fog led to many problems for London’s early power stations as demand would soar when lights were unexpectedly switched on by day and aviators sometimes reported a black mushroom of smog hanging high above the city. | High fog led to many problems for London’s early power stations as demand would soar when lights were unexpectedly switched on by day and aviators sometimes reported a black mushroom of smog hanging high above the city. |
| Modern meteorological approaches were used to analyse a high fog in January 1955. Smoke was found to have flowed out of London and was lifted by the Chiltern Hills. It returned on higher level winds spreading over the city and then across Kent and East Sussex, where almost no light reached the ground. Satellite measurements of particles and carbon monoxide tell us that this October’s sepia skies were mainly caused by smoke from Portuguese forest fires. | Modern meteorological approaches were used to analyse a high fog in January 1955. Smoke was found to have flowed out of London and was lifted by the Chiltern Hills. It returned on higher level winds spreading over the city and then across Kent and East Sussex, where almost no light reached the ground. Satellite measurements of particles and carbon monoxide tell us that this October’s sepia skies were mainly caused by smoke from Portuguese forest fires. |
| Guy Fawkes fireworks and, especially, bonfires also take us back to a previous era of air pollution. This year’s celebrations caused pollution to reach the top level of 10 on the UK government’s scale across north-west England. | Guy Fawkes fireworks and, especially, bonfires also take us back to a previous era of air pollution. This year’s celebrations caused pollution to reach the top level of 10 on the UK government’s scale across north-west England. |
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