Extreme wind and rain, storms and other events Extreme weather conditions are expected, involving increased intense tropical cyclone activity, increased frequency of floods and large-area floods in many regions, higher sea levels and an increased risk of drought in Australia, Eastern New Zealand, and the Mediterranean, with exceptional seasonal droughts in Central Europe and Central America. This could lead to wind storms and flooding. It is expected that climate change may lead to more tropical storms. Therefore, certain areas such as the US Gulf Coast, China, Japan and Vietnam are increasingly vulnerable.