deadly weapons of nature

Habub, the name of sand or dust storms in the Sudan. Habub attributable to the strong convection in the invasion of cold air masses. It happens usually from May to October, the average length of about 3 hours During Habuba clouds of dust could be raised to a height of 1500 metres; wind often has a destructive force. In Khartoum Habub notes on average 24 times a year.