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Warning to drivers as fog shrouds Cornwall

Warning to drivers as fog shrouds Cornwall

Published by Emma Carton at 9:38am 30th January 2020. (Updated at 10:27am 30th January 2020)

Archive photo of fog on the A30. Credit: Alliance Roads Policing Team

A warning is going out to drivers as a blanket of fog descends on Cornwall.

Kernow Weather Team has issued an alert for rain, drizzle and mist across the Duchy.

The group says visibility will remain poor in many areas for most of the day on Thursday.

The Met Office has not issued any official warnings, but tonight is forecast to be murky too.

Scroll down to check the full forecast and read the advice for driving in mist and fog.

What is the forecast?

Thursday: "A murky day with low cloud and hill fog. Drizzly rain across Devon and Cornwall will spread to most parts for a time. Blustery but milder than of late. Maximum temperature 14 °C".

Thursday night: "It will stay largely cloudy and murky overnight with further hill fog and a few spots of rain. the cloud and brisk winds will keep temperatures from dropping much. Minimum temperature 8 °C"

Friday: "After a grey but largely dry start it will turn wet through the morning as rain arrives. Windy at times with temperatures well above average for the end of January. Maximum temperature 14 °C"

Outlook for Saturday to Monday: "The changeable pattern is going to remain through the weekend and into next week. There will be some dry weather but also spells of wind and rain, with temperatures dipping".

Met Office

You can check the full forecast for Cornwall and the south-west here.

When do I need my fog lights?

  • Before entering fog, you should check your mirrors, then slow down
  • Maintain a greater distance between you and the car in front, you could increase the gap to four seconds from the recommended two
  • Make sure to use your wipers and to keep your windscreen demisted to aid visibility
  • If the word ‘fog’ is shown on a signal, but the road is clear, be prepared for a sudden bank of fog or drifting, patchy fog
  • Use your lights if visibility is reduced to 100m (328ft) or roughly the length of a football pitch
  • Make sure you know where your fog-light switch is before you set off
  • Do not use full beam, because the fog reflects the light back, reducing visibility even further
  • Do not attempt to navigate using the tail lights of the car in front, as these can give a false sense of security
  • If visibility is very limited, wind down your windows at junctions and crossroads to allow you to listen out for approaching traffic
  • If you really cannot see, you should consider stopping until it is safe to continue.

You can read more advice from the RAC here.

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