Climatology
Cyclones, thunderstorms and tornadoes
Practise 2 PYQsConcepts to cover
- 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
- Regions and names: hurricane, typhoon, willy-willy, cyclone; basins without cyclones (South Atlantic, south-east Pacific)
- Extra-tropical (temperate) cyclones: frontal origin, size, movement, contrast with tropical
- Thunderstorms and tornadoes
Where to study
Fundamentals of Physical Geography, Class XI, chapter 9: Atmospheric Circulation and Weather Systems (Reprint 2026-27)
- ch. 9, Atmospheric Circulation and Weather Systems, p. 1-10 (book pages 76-85)
- ch. 9, Tropical Cyclones, p. 8 (book page 83)
- ch. 9, typhoon, p. 8 (book page 83)
- ch. 9, Extra Tropical Cyclones, p. 7 (book page 82)
- ch. 9, Thunderstorms and Tornadoes, p. 9-10 (book pages 84-85)
Certificate Physical and Human Geography · Goh Cheng Leong
- ch. 13, Weather