The southwestern Cape is a winter rainfall region that receives the bulk of its annual rainfall in the form of frontal rain during winter. The Cape south coast is an all-season rainfall region. Flood risk is moderate along most of the coast, but moderate to high where rainfall is high [SARVA].
Where does orographic rainfall occur in South Africa?
A good example of orographic rains can be seen in the Eastern Cape around Alice. The average yearly at Alice in the foothills of the Amatola Mountains is about 500 mm, but at Wolfridge in the mountains, the yearly rainfall is about 1 700 mm.
Which parts of South Africa get rain all year round?
KwaZulu-Natal’s coast and areas of the Mpumalanga lowlands get warm rain all year. The great inland Karoo plateau, where rocky hills rise from scrubland, is dry, and gets drier in the northwest towards the Kalahari desert.
Why do cold fronts occur in winter in South Africa?
This is because mid-latitude cyclones migrate further north during winter, allowing the edge of the cold front arm to sweep across the southern most part of the country. The interior is dry and cold in winter, with subsiding air from strong high pressure systems.
Why are cold fronts important for South Africa?
In the South African context, cold fronts are deemed highly relevant to the wind energy industry as they are the main strong wind producers along the coast and adjacent interior of South Africa (Kruger et al., 2010).
Which city has the best weather in South Africa?
Gauteng is said to offer one of the world’s best climates: summer days are warm and wind free and winter days are crisp and clear. Johannesburg and Pretoria differ in temperature by about 2% (Pretoria being the warmer of the two).