How climate change affects tropical storms | AQA GCSE 9-1 Geography

How will climate change affect tropical storms? How will the distribution, frequency and intensity of tropical storms change with climate change?

This is the fourteenth video for the AQA GCSE 9-1 Geography course, and the fourteenth video of the Challenge of Natural Hazards topic.

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Video Script:
Climate change is likely to affect tropical storms in three ways; the distribution, frequency and intensity may change.

The distribution of tropical storms is where they are located.
Tropical storms require sea surface temperatures of at least 27°C to form, meaning they can only form in certain places. However, rising sea temperatures will allow them to form in areas that they previously couldn’t, such as the subtropics and South Atlantic, as it will make them warm enough.

This increased distribution is one of the reasons that the frequency of tropical storms is likely to increase too.

And finally the intensity. Climate change is likely to make storms much more intense with an increased impact. With higher ocean temperatures, the storms will have more energy. Higher sea levels will cause coastal areas to be at a greater risk, for example due to a higher storm surge. Wind speeds could potentially increase 2-11% and rainfall rates during storms are projected to rise by about 20%.

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GCSE Geography
20/08/2022
Keducate

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