Mangrove and freshwater swamps occur along the coast and in the Niger delta. The average level of precipitation a year on the planet is 1000 mm. Atmospheric precipitation is water in a liquid or solid state, dropping out of the atmosphere. By After School Africa Last updated Jul 29, 2013. Ice rains are a special kind of precipitation, which occur in sub-zero air temperatures. Economically valuable, the oil palm grows wild and is usually preserved when forest is cleared for cultivation. Types of Vegetation Zones in Nigeria. Sometimes humidity ist unpleasantly high from July to September. Less numerous are the Ibibio, who live near the Igbo and share many of their cultural traits, and the Edo, who created the important precolonial kingdom of Benin. Individuals who are not members of a dominant group but who have lived and worked for several decades in the territory of the group are still considered to be aliens. A lot of rain (rainy season) falls in the months: April, May, June, July and October. In addition, it is almost impossible to determine the approach of an hailstorm in advance. Areas are occupied by forests and receive a little less moisture - depending on the year, its number varies from 1600 to 3000 mm. Our latest episode for parents features the topic of empathy. Of course, only crisp notes are encouraged. The solution to healthcare problems in Nigeria. In savannah, the intensity of rain decreases as it moves from south to north. Do you know the different types of rainfall and their causes? The tropical monsoon climate, designated by the Köppen climate classification as "Am", is found in the southern part of the country. Scholarships. The mean annual rainfall along the coast in the south- east is 4000mm while it is only 500mm in the north- east. A hail in its internal structure is very similar to a bulb: it consists of several layers of ice. pattern of rainfall in Nigeria using data on the average rainfall for a period of eleven years was examined. In the southern part of the country, the seasons could be classified as March, April, May (MAM), April, May, June (AMJ) and June, July, August, September, (JJAS) while the northern area has one rainfall season – June, July, August, September, (JJAS). Showers are formed on cold atmospheric fronts, within the limits of unstable air masses. Interesting! The northern part of Nigeria has the lowest amount of rainfall in a year sometimes as little as 120 to 130 rainy days in Kano and even lesser by 10 to 20 days in Katsina and Sokoto. READ ALSO: These mesmerising sights prove that nature is the art of God. The water that has fallen to the surface of the earth flows over time into streams into rivers and seas. Regions in Nigeria with low-lying topography and heavy rainfall, such as the Niger Delta region, are likely to experiences perennial floods owing to its location. This process is called condensation, and these water particles form the clouds that we admire in the sky. The northern savanna abounds in guinea fowl. 1. The rivers contain crocodiles, hippopotamuses, and a great variety of fishes. With a yearly average of 33 °C the climate in Nigeria ist warm, but has only a few really tropical and sticky months. In general, the length of the rainy season … Share . The most humid regions are the delta of the Niger and the south-east of the country, there is more than 4000 mm of precipitation in a year. In the more densely populated parts of the southeast, the original forest vegetation has been replaced by open palm bush. The northern-dwelling Hausa, one of the most numerous groups in the country, have become integrated with the smaller Fulani group, whose members conquered Hausaland in the early 19th century; the great majority of both are Muslims. Nigeria has a tropical climate with variable rainy and dry seasons, depending on location. It consists of a cylindrical vessel 127mm in diameter with a base enlarged to 210mm diameter. So, for rain to fall, it is necessary to interact with three components: the sun, the surface of the Earth and the atmosphere. It all starts when the sun begins to warm up the earth's surface. As a result, they become so heavy that they can no longer hold in the atmosphere, and fall down. A series of world oil price increases from 1973 produced rapid economic growth in transportation, construction, manufacturing, and government services. It starts instantly and happens, typically, in the summer season. Be on the lookout for your Britannica newsletter to get trusted stories delivered right to your inbox. The records at 25 … In the south the rainy season lasts from March to November, whereas in the far north it lasts only from mid-May to September. Today these animals can be found only in such protected places as the Yankari National Park in Bauchi state, Gashaka Gumti National Park in Taraba state, Kainji Lake National Park in Kwara state (see Kainji Lake), and Cross River National Park in Cross River state. Rain, snow or hail - all these concepts are not foreign to us. Analysis of Rainfall and Temperature Variability Over Nigeria . The scheme of their formation is based on the continuous cycle of water in nature. In most rural areas, such aliens may not acquire outright title to land, yet considerable numbers of people have migrated from one ethnic territory to another in search of farmland. (10 marks) Relief rainfall. Under the influence of heating, the water masses that are contained in the oceans, seas, rivers, are converted into water vapor, mixing with air. Temperature and humidity remain relatively constant throughout the year in the south, while the seasons vary considerably in the north; during the northern dry season the daily temperature range becomes great as well. The drops of rain falling on a water surface create divergent circles of an ideally round shape on the water. This climate is influenced by the monsoons originating from the South Atlantic ocean, which is brought into the country by the (maritime tropical) MT airmass, a warm moist sea to land seasonal wind. Tropical grassland occupies the area north of the forest belt and is studded with baobab, tamarind, and locust bean trees. In the middle belt, where the greatest concentration of ethnic groups (more than 180) occurs, the Tiv and the Nupe are the largest groups. The amount of precipitation in a particular area can be measured. The volumes of vapor formation depend on the latitude of the terrain, as well as on the intensity of solar radiation. Under the Koppen Climate Classification system, the type of climate that encompasses southern Nigeria is that of the “Af” classification. Nigeria has two main relief regions: the high plateaux ranging between 300 and more than 900m above sea level, and the lowlands, which are generally less than 300 m. The high plateaux include the North Central Plateau, the Eastern and North Eastern Highlands and the Western Uplands. Depending on the intensity, rain can be drizzling, hard or stormy. Thus, atmospheric precipitation is born, the species of which depend on specific meteorological conditions in a certain locality. Relief rainfall frequently occurs near mountains beside the sea. In general, the length of the rainy season decreases from south to north. Rainforest. By Akinsanola A. This is a kind of liquid precipitation in the form of water droplets, … It is warm to hot all year round and invites to bathe at average water temperatures of 27 degrees. Nigeria’s growing population is a result of a high fertility rate and increasing life expectancy. Rainfall decreases progressively away from the coast; the far north receives no more than 20 inches (500 mm) a year. As reported by the FAO, agriculture remains the foundation of the Nigerian economy, despite the presence of oil in the country. Forests. During heavy frosts, weak snow can be observed even during a cloudless sky. On the coast the mean monthly maximum temperatures are steady throughout the year, remaining about 90 °F (32 °C) at Lagos and about 91 °F (33 °C) at Port Harcourt; the mean monthly minimum temperatures are approximately 72 °F (22 °C) for Lagos and 68 °F (20 °C) for Port Harcourt. The average amount of annual precipitation is: 999.9 mm (39.37 in) Kingdoms and empires of precolonial Nigeria, Controversies surrounding the 2007 presidential election, Nigeria under Umaru Musa Yar’Adua and Goodluck Jonathan, The 2015 elections and electorate concerns, Recession, fight against corruption, and insecurity. In the early 0th century, the government allotted about 970 square kilometers for forest reserves. The main vegetation patterns run in broad east-west belts, parallel to the Equator. Both are settled cultivators, but, while Nupe society is hierarchical, that of the Tiv tends to be decentralized. the empirical study of seasonal rainfall effect in Calabar, Nigeria. This is a kind of liquid precipitation in the form of water droplets, dropping to the ground under the influence of gravity. Also, this type of precipitation is distinguished, such as rain and snow. Forests are areas where there is significant tree cover. What is rainfall? All types of precipitation can be divided into three main groups: Rainfall can also be liquid (rain, drizzle, fog) or hard (snow, hail, frost). Type: Double Blind Peer Reviewed International Research Journal Publisher: Global Journals Inc. (USA) Online ISSN: 2249-460x & Print ISSN: 0975-587X . A short way inland, the swamps give way to dense tropical rainforests. Hence, this study investigates change detection in rainfall pattern over each climatic zone of Nigeria. The rain continues in most part of the country till even October and November although Nigeria climate has its own variability. The Harmattan wind is hot and dry and carries a reddish dust from the … Then the natural cycle is repeated again and again. Other common birds include quail, vultures, kites, bustards, and gray parrots. As already mentioned, there are a number of variations when it comes to types of precipitation. In the late 19th century, the colonial leadership in which Nigeria was under then established forest reserves. Now you know how atmospheric precipitation forms and the causes of rainfall. The droplet sizes can be different: from 0.5 to 5 millimeters in diameter. Rainfall can also be liquid (rain, drizzle, fog) or hard (snow, hail, frost). In densely populated areas of the savanna, such as those around the towns of Sokoto, Kano, and Katsina, the vegetation has been removed by continuous cropping, overgrazing, and bush burning. Animals found in both forest and savanna included leopards, golden cats, monkeys, gorillas, and wild pigs. Nigeria one of the Africa country and to be precise in West Africa, it is an area with heavy rainfall. They consider the city of Ile-Ife their ancestral home and the deity Oduduwa their progenitor. The drops in the clouds grow larger and larger, gathering more and more moisture. The result showed a continuous increase in the pattern of rainfall for a period of five years within the period under study. In Nigeria, the climate is tropical, semi-arid in the far north, ... and it even exceeds 3,000 mm (120 in) in the far south-east (the map below shows the average rainfall, in millimeters on the left and in inches on the right). You can even count them and you can determine how many times the drops travelled vertically in the atmosphere. Dued to the lesser rain the best time for traveling is from November to April. This causes the air to cool and the moisture in the air condenses and rain falls. Since the late 1960s it has been based primarily on the petroleum industry. For instance, if you notice gray and cloudy sky, then this could mean rainfall. There are 3 main types of rainfall: relief, frontal and convectional. Rainfall in Nigeria is characterized by both latitudinal and longitudinal variations. 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