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UK Fog: Smoke Seeds Cause Visibility Crisis
11 Nov
Summary
- Fog forms as water vapor turns into droplets in colder air near the ground.
- Fireworks and bonfires from recent events seeded fog, worsening visibility.
- The dense fog has prompted air pollution warnings in London.
Many areas across the United Kingdom have recently woken to thick fog, severely limiting visibility. This weather condition is essentially a cloud at ground level, forming when cold air causes water vapor to condense into droplets.
The recent increase in fog density has been linked to events like Bonfire Night and Diwali celebrations. The smoke particles released from fireworks and bonfires have acted as nuclei, promoting the formation of more water droplets.
In London, authorities have issued a high air pollution warning. This alert was triggered because the combination of dense fog and very light winds has allowed pollution levels to build up significantly.
While fog can make daily activities challenging, such as commuting, it doesn't usually harm healthy individuals. However, people with asthma or other breathing difficulties might find their symptoms worsen due to the increased presence of smoke or pollution particles in the air.
Looking ahead, forecasts suggest a change in weather patterns with increasing winds later in the week. This is expected to disperse the thick fog, though some foggy mornings may still occur in Northern Ireland and Scotland.
