Why does it flood in Malawi?

Malawi is in a part of the world where there is a rainy season during which there is very heavy rain and storms. Malawi has a lot of mountains, so the rain water flows into rivers and into the lower areas and there are floods in some parts.
Malawi is in a part of the world where there is a rainy season during which there is very heavy rain and storms. Malawi has a lot of mountains, so the rain water flows into rivers and into the lower areas and there are floods in some parts.