Cyclones, thunderstorms and tornadoes
- Conditions for tropical cyclones: warm sea over 27 degrees C, Coriolis, low wind shear, upper divergence, pre-existing low
- Structure: eye, eye wall, spiral bands; warm core; landfall and decay
- Tropical-cyclone basin distribution and naming conventions
- Extra-tropical (temperate) cyclones: frontal origin, size, movement, contrast with tropical
- Thunderstorms and tornadoes