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Contrast and compare as they used to say - BBC News versus Sky News

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Contrast and compare as they used to say - BBC News versus Sky News

http://news.sky.com/story/1137389/sheppey-crash-100-cars-collide-on-bridge
Quote
More than 100 vehicles have been involved in a pile-up in misty conditions on the New Sheppey Crossing bridge.
http://www.bbc.co.uk/news/uk-england-kent-23970047
Quote
Two hundred people have been injured as more than 100 vehicles were involved in a series of crashes in thick fog on the A249 Sheppey crossing in Kent.
The question is when does misty become thick fog
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Re: Contrast and compare as they used to say - BBC News versus Sky News

And the practical stuff http://www.highways.gov.uk/traffic-information/
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Re: Contrast and compare as they used to say - BBC News versus Sky News

There are a number of photo's showing that 50 meters is about the viewable distance, to me that is Fog.
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Re: Contrast and compare as they used to say - BBC News versus Sky News

Driving around here this morning I have encountered conditions from mist through to fog.
Some eye witnesses interviewed at the accident said conditions were variable.
Luckily so far there are no fatalities reported.
Thunderclap
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Re: Contrast and compare as they used to say - BBC News versus Sky News

This morning in the fog, mist and fog again, we played count the vehicles with lights on. Should have been all, but there was only an occasional one. Maybe most drivers assumed that everyone else could see them? Or maybe they had not received a text from the Highways Agency saying TRN UR LITES ON COZ IZ FOG E.  Not sure what is denser, fog or drivers?
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Re: Contrast and compare as they used to say - BBC News versus Sky News

I don't know if it's just forgetfulness or reluctance that prevents drivers from using lights.  Fortunately a lot of cars these days have the lights that come on automatically in dark/cloudy weather.
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Re: Contrast and compare as they used to say - BBC News versus Sky News

Quote from: Thunderclap
Not sure what is denser, fog or drivers?

Brilliant!
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Re: Contrast and compare as they used to say - BBC News versus Sky News

Quote from: Oldjim
The question is when does misty become thick fog

Quote
The official definition of fog is a visibility of less than 1,000 m. This limit is appropriate for aviation purposes, but for the general public and motorists an upper limit of 200 m is more realistic. Severe disruption to transport occurs when the visibility falls below 50 m. Useful labels for these three categories are aviation fog, thick fog and dense fog.
(from: http://www.metoffice.gov.uk/learning/fog)
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