It's been a foggy start to the week in Bristol and it's due to last for the rest of Monday, December 30.
The fog is so bad the Met Office has issued a yellow weather warning for much of the South West.
The warning covers Bristol and forecasters are warning of slower journey times, with delays to bus and train services possible.
There is also a chance of delays or cancellations to flights.
The warning is in place from 5pm to 11.59pm.
Driving in fog
The Met Office says fog is a major travel hazard. According to the Highway Code, headlights should be used when visibility is below 100 metres. Before setting off on a foggy journey, drivers should make sure their lights - especially fog lights - are working properly.
The Met Office and Highways England say you should:
- Avoid travel if possible
- Drive very slowly with dipped headlights, full-beam lights reflect off the fog causing a 'white wall' effect
- Keep an eye on your speed, fog can give the illusion of moving in slow motion
- Use fog lights, but remember to turn them off when the visibility improves
- Don't hang on the tail lights of the car in front, rear lights can give a false sense of security
- Watch out for freezing fog which is made of water droplets that freeze on contact with objects such as the pavement, road, car, etc. It can quickly form a layer of ice.
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