2 Global air circulation
Global air circulation and resultant weather patterns 1. Primary air circulation Tri Cellular Arrangement 2. Secondary Circulation The inter-tropical convergence zone (ITCZ) Monsoons
Global air circulation and resultant weather patterns 1. Primary air circulation Tri Cellular Arrangement 2. Secondary Circulation The inter-tropical convergence zone (ITCZ) Monsoons
Land and sea breezes Fohn Winds
Mid-latitude cyclones Air Masses – An Introduction Frontal systems explained – Northern Hemisphere Cold Fronts Time-lapse photography of a passing cold front Occlusions Warm Front Occlusion (The cold front is rising above the warm front) Cold Front Occlusion (The warm front is rising above the cold front)
Examples: Introduction Hurricane Katrina Current Hurricanes occurring in the Atlantic Ocean: Occurrence: Development: How a hurricane is born – The Science Of Superstorms Anatomy of a Hurricane Storm Surge: Hurricane intensifying over the warmer ocean of the Gulf of Mexico An approaching wall of cloud The eye from the air Categories: Destruction: Cyclones around the globe Cyclone… Read More »
Factors determining the weather of South Africa Today’s Weather: Click here to open the synoptic chart in a new window. Click here to open the synoptic chart in a new window.
1 Classification of settlements and factors influencing site and situation What is settlement? Settlement is a place where people live, which includes buildings, economic activities and transport networks. The size and shape of settlements vary across the earth’s surface. A settlement can be as small as a single building or as large as a megalopolis.… Read More »