Dense fog warning issued for London and South East

Summarised from 3 outlets · Updated 8 Nov, 12:20 · Archive

The Met Office has issued a yellow weather warning for London with visibility expected to plummet below 50 metres.

The Met Office has issued a yellow weather warning for London and the South East as dense fog descends on the capital. Visibility is expected to plummet below 50 metres, with fog patches beginning to appear on Sunday evening and becoming extensive by Monday morning. The warning runs until 11am on Monday.

Transport bosses have warned that the heavy mist threatens to disrupt multiple transport networks. Flights at London airports may be cancelled, Thames ferries are expected to be stalled, and buses, trains and roads face delays. The alert coincides with Remembrance Sunday, when crowds travel to Whitehall and local war memorials. Drivers are urged to use fog lights, check routes and allow significant extra time for journeys.

Meteorologists are tracking a separate atmospheric system that could bring longer-term impacts. Met Office forecaster Marco Petagna confirmed that a warming in the stratosphere is causing the polar vortex to weaken. This ring of powerful winds normally keeps freezing air trapped at the North Pole, but if it continues to weaken, Arctic air could sweep towards Britain, potentially bringing a prolonged winter freeze in late November.

Dense fog warning issued for London and South East — Image: This Is Local London

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How it is being reported

Thick fog to descend all over London as travel warning issuedThick fog is set to descend on London with warnings of difficult travel conditions and visibility dropping as low as 50 metres.This Is Local London · 8 Nov, 15:39
17-hour London weather warning issued by Met Office - expect delays and slow journeys into MondayForecasters have warned there is a chance of flights being cancelled and roads and rail being disruptedMyLondon · 8 Nov, 11:55
Yellow fog warning across London could cause travel delaysThe Met Office has issued a yellow weather warning, with visibility poised to plummet below 50 metres across LondonEvening Standard · 8 Nov, 07:59

In this story: Met Office · London · South East · Whitehall · North Pole · Marco Petagna · Britain

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