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  1. Clouds
  2. Fog Fog is essentially a cloud at ground level that causes a reduction in visibility to less than 1000 m. However, for most people, thick fog is when visibility drops below 180 m. Severe disruption to transport occurs when the visibility falls below 50 m over a wide area. This is referred to as dense fog.
  3. Wind

Weather phenomena

Learn more about the types of weather from weather we experience on a day-to-day basis to weather events.

In this section we look at the types of weather that occur on a day-to-day basis as a result of global weather systems. Our personal experience of weather on a local scale is a tiny sample of the activity in the atmosphere with constant shifts of air pressure controlling whether it rains or shines.

There are numerous different types of weather which can result including rain, snow, wind, frost, fog and sunshine. In this section we look at why these occur, how they form, how we classify them and their impact upon us.

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