What are the causes of rainfall in Zambia?

Although Zambia lies within the tropics, its climate is modified by the altitude of the country and is generally favourable to human settlement and comfort. The marked seasonal pattern of precipitation is caused by the north and south movement of the intertropical convergence zone (ITCZ), which shifts with the Sun.

What are the factors that influence climate in Zambia?

There are lots of factors that influence our climate

  • Elevation or Altitude effect climate. Normally, climatic conditions become colder as altitude increases. …
  • Prevailing global wind patterns. …
  • Topography. …
  • Effects of Geography. …
  • Surface of the Earth. …
  • Climate change over time.

Which provinces in Zambia receive the highest rainfall?

The wettest areas are the northern ones, namely, the North-Western Province, the Copperbelt Province, and the Northern Province, where precipitation exceeds 1,000 millimeters (40 inches) per year, and in some areas, it can reach 1,400 mm (55 in).

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Which specific area in Zambia is relief rainfall common?

The highest rainfall is in the north, especially the north-west and the north-east, decreasing towards the south; the driest areas are in the far south west and the Luangwa River and middle Zambezi River valleys, parts of which are considered semi-arid.

What is the coldest place in Zambia?

CHOMA was coldest in the country on Tuesday after recording minimum temperature of 02˚c followed by Mongu with 08˚c.

What causes rainfall?

Within a cloud, water droplets condense onto one another, causing the droplets to grow. When these water droplets get too heavy to stay suspended in the cloud, they fall to Earth as rain. … When it evaporates—that is, rises from Earth’s surface into the atmosphere—water is in the form of a gas, water vapor.

What causes low rainfall?

The proximate or immediate cause of a rainfall shortage may be due to one or more factors including an absence of available moisture in the atmosphere; large scale subsidence (downward movement of air within the atmosphere) which suppresses convective activity; and the absence or non-arrival of rain-bearing systems.

What are the two causes of rainfall in Zambia?

Precipitation in Zambia increased to 164.83 mm in December from 91.33 mm in November of 2015. Geographically, Zambia is … The marked seasonal pattern of precipitation is caused by the north and south movement of the intertropical convergence zone (ITCZ), which shifts with the Sun. KEY SECTOR VULNERABILITIES.

How many types of rainfall are in Zambia?

So we can say the region has two distinct season dry and wet season. Rainfall in Zambia is strongly (ITCZ).

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What are the different types of rainfall?

Types of Rainfall

  • Convectional rainfall.
  • Orographic or relief rainfall.
  • Cyclonic or frontal rainfall.

How is cyclonic rainfall caused?

Frontal (or Cyclonic) Rain is caused by cyclonic activity and it occurs along the fronts of the cyclone. It is formed when two masses of air of different temperature, humidity and density meets. … As the warm air rises, it cools, and the moisture present in it condenses to form clouds altostratus clouds.

How is rainfall caused name the types of rainfall explain relief rainfall?

The three types of rainfall include relief, convectional, and frontal rainfall. Relief rainfall is rainfall that occurs when wind blows moist air…

What is the main cause of relief rainfall?

Relief rainfall occurs when warm moist air rises over mountains from the Atlantic Ocean. It cools and condenses as the warm air rises, to form clouds, which carry rain. It descends and warms until the air has passed over the mountains. That’s why it is called Relief rainfall.

What language is spoken in Zambia?

Numerous languages or dialects have been identified in Zambia. There are seven official vernacular languages: Bemba, Nyanja, Lozi, Tonga, Luvale, Lunda, and Kaonde, the latter three being languages of North-Western Province. English is the official language of government and is used for education, commerce, and law.

What is Zambia’s climate?

Zambia experiences a predominantly sub-tropical climate characterized by three distinct seasons: a hot and dry season (mid-August to mid-November), a wet rainy season (mid-November to April) and a cool dry season (May to mid-August).

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How many hours of sunlight is there in Zambia?

There is an average of 2836 hours of sunlight per year (of a possible 4383) with an average of 7:45 of sunlight per day. It is sunny 64.7% of daylight hours. The remaining 35.3% of daylight hours are likely cloudy or with shade, haze or low sun intensity. At midday the sun is on average 71° above the horizon at Lusaka.