The following synoptic charts show a Tropical Depressions off the east coast of Madagascar. These Tropical Depressions can develop in to Tropical Cyclones. This tropical depression has now developed in to a moderate tropical storm. In the satellite image below you can see formation of an eye. Tropical Cyclone Felleng http://earthobservatory.nasa.gov/NaturalHazards/view.php?id=80294 Tropical Storm Felleng
The following synoptic charts are of Coastal Lows in different positions on the coast of South Africa. Coastal lows are a dominant weather feature along the South African coast. Coastal lows migrate along the South African Coastline from West to East. Coastal lows are characterized by a large change in weather from warm, dry and… Read More »
Low Pressure over South Africa South Africa is situated in a High Pressure belt due to descending air from the Hadley Cell (see image below). In summer, prolonged heating of the earth’s surface in South Africa results in rising air and a Lower Pressure over the country. The South Atlantic High Pressure is ridging around the south of… Read More »
How can we see from this Synoptic Chart that it is summer in South Africa? The South Atlantic High Pressure and South Indian High Pressure are far south The Mid-latitude Cyclones are far south and will miss South Africa There is a low pressure over all of South Africa The temperatures are high over much of the… Read More »
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