rainfall distribution in south africa12 December 2020
Louis Trichardt Climate (South Africa) >>Louis Trichardt Weather by month // weather averages ... Louis Trichardt climate summary The Louis Trichardt lies on 990m above sea level The climate in Louis Trichardt is warm and temperate. The rainy season for most of the country is in the summer which is November through to March. AfriWX SA Weather (WX) Forecasts, Rainfall and Storm Reports for South Africa. Occasionally tropical cyclones develop, which bring devastating rains and floods. The aim of this study is to update the analysis of historical rainfall trends with reference to the work from previous studies, through optimizing the highest spatial resolution with the longest possible period of analysis, i.e., 1921–2015. Most of South Africa is a summer rainfall area, November to March, while the Western Cape Province receives most of its rain during winter, May to August. Search for more papers by this author. South Africa is a relatively dry country and is well known for its sunshine. The average annual rainfall for the whole of South Africa is about 464 mm. Most of South Africa gets rain only in the summer. On the central plateau, which includes the Free State and Gauteng provinces, the altitude keeps the average temperatures below 20 °C (68 °F); Johannesburg, for example, lies at 1,753 metres (5,751 ft). Despite a projected decline in rainfall in Southern Africa (IPCC, 2007), existing statistics reveal that the valley received mean annual rainfall of 1292.75 mm (standard dev. The summer rainfall region is the largest, being most of the country north of the coastal areas and the north west arid desert. , CS1 maint: multiple names: authors list (, "GPCC's new land surface precipitation climatology based on quality-controlled in situ data and its role in quantifying the global water cycle", "Johannesburg & Gauteng Weather and Climate", "Joburg covered by snow as temperature drops", "World Map of the Köppen-Geiger climate classification updated", https://www.environment.gov.za/sites/default/files/docs/nationalclimatechange_adaptationstrategy_ue10november2019.pdf, "Impacts of and Adaptation to Climate Change", "International Journal of Environmental Research and Public Health", "Climate change in Africa: costs of mitigating heat stress", https://en.wikipedia.org/w/index.php?title=Climate_of_South_Africa&oldid=993504710, Creative Commons Attribution-ShareAlike License, This page was last edited on 10 December 2020, at 23:32. This is illustrated by the yearly rainfall difference between Port Nolloth on the west coast, 50 mm and Richards Bay, 1 000 mm at the same latitude on the east coast.  Speedy environmental changes are resulting clear effects on the community and environmental level in different ways and aspects, starting with air quality, to temperature and weather patterns, reaching out to food security and disease burden. It was revealed that the change in the rate of rotation in regard to the Earth's atmosphere can wag to the distribution of rainfall. ... Hans-Juergen Panitz, Ruth Cerezo-Mota, Spatial distribution of precipitation annual cycles over South Africa in 10 CORDEX regional climate model present-day simulations, Climate Dynamics, … The winds come from the Atlantic Ocean (west of Zimbabwe) towards Angola and Namibia and divert from Zambia to Zimbabwe. Crossref. The winter rainfall region is confined to a relatively small area in the south-west, the Western Cape area, where gentle rain falls from May to August but the summers are dry. Although generalizing South Africa's weather is difficult, there are a few absolutes that apply throughout the country.  South Africa contributes considerable CO2 emissions, being the 14th largest emitter of CO2. The warm Agulhas Current runs south along the east coast and the cold Benguela Current flows north along the western shore. 1a. For most of the country, rain falls mainly in the summer months with brief afternoon thunderstorms. This region is characterized by rainfall throughout the year, but it is heaviest in summer. , Africa is currently and prospectively suffering from significant heat waves based on the nature of the continent amid the current environmental crisis. The arid regions are in the north-west, with the driest areas being the north-west coast. The exception is the Western Cape and its capital city Cape Town where the climate is Mediterranean and it rains more in the wintertime.  As part of its international commitments, South Africa has pledged to peak emissions between 2020 and 2025. 4 . Skip to Article Content ... shoal distribution in relation to nearshore environmental conditions, 1997–2007, African Journal of Marine Science, 10.2989/1814232X.2010.501587, 32, 2, (293-307), (2010). The climate of South Africa is determined by South Africa's situation between 22°S and 35°S, in the Southern Hemisphere's subtropical zone, and its location between two oceans, Atlantic and the Indian. Farmers must have contingency plans and strategies in place to limit losses and damage to crops during periods of limited water supply. The distribution of rainfall stations collected by Lynch (2004) for the rainfall database, including stations in nei ghbouring countries, is shown in Figure 2.2.1. Winter temperatures may reach the freezing point at high altitude, but are at their most mild in coastal regions, particularly KwaZulu Natal Province and perhaps the Eastern Cape. World, Europe Africa Japan - Source: SAT24.com In short, this warm moist air rises, cools down, then condensates and precipitates as thunderstorms. J. J. Taljaard. Even in the … South Africa is a sunny country, averaging 8–10 daily sunshine hours in most regions. In the Sundays River Valley, the annual rainfall at Addo is only about 390 mm, and the highest temperature in South Africa was recorded at Kirkwood, 55ºC. South Africa has typical weather for the Southern Hemisphere, with the coldest days in June–August. - Coastal low - Berg winds Summer Weather Conditions: A. South Africa is famous for its sunshine – an average of 2,500 hours of sun every year. Further analysis indicates that a connection between the Botswana high and rainfall over southern Africa not only exists during ENSO years, but is also apparent during neutral years that display ENSO-like characteristics in the Botswana high. Accepted 28 August, 2012 Drought in Limpopo province is having serious ecological and economic consequences and will pose an ... Rainfall distribution for the past 29 years was obtained from the South African Weather Services as seen in … In-between there is a mid-summer drought.  It has a wider variety of climates than most other countries in sub-Saharan Africa, and it has lower average temperatures than other countries within this range of latitude, like Australia, because much of the interior (central plateau or Highveld, including Johannesburg) of South Africa is at a higher elevation. As a result, there is at least a 6 °C difference in the annual temperatures of Durban (on the east) and Port Nolloth (on the west) despite being located at roughly the same latitude. Runoff from the Drakensberg/Maluti Mountains of Lesotho and the Eastern Cape are fed via tunnels to irrigate the central and lower Orange River areas. Cold fronts approach the Western Cape from the west, and pass over the province towards the east. In addition to the above winds there are ocean currents in Southern Africa that affect bot weather and climate as well as human … South Africa Phokele Maponya* and Sylvester Mpandeli Department of Environmental Sciences, University of South Africa, Pretoria 0002, South Africa. Public Document 6 WCS-CLS-CI-ACS-2018 Annual Climate Summary 2018 Two interlinked datasets, namely the district rainfall and individual rainfall stations datasets were used for the trend analyses, namely, daily time series of 60 individual rainfall … These cold fronts bring days of soft rains, but the average annual rainfall in these areas is low. The high rainfall in KwaZulu-Natal and the north-eastern parts of the Eastern Cape is due to moisture-laden air brought in from the warm Mozambique current. A very important special geographic rainfall distribution pattern is found in the deep river valleys of the Eastern Cape and KwaZulu-Natal. The Western Cape province has a Mediterranean climate with warm to hot, dry, sunny summer weather and mild, rainy conditions in winter. For most of the country, rain falls mainly in the summer months with brief afternoon thunderstorms. the southern interior of South Africa, and indications o f decreases in rainfall in the far northern and north-eastern parts. South Africa's coasts are major tourist attractions and trade locations. During winter it is warmest in the coastal regions, especially on the eastern Indian Ocean coast. South Africa experiences hotter and drier weather during the El Niño phase, while La Niña brings cooler and wetter conditions. Zaire/Congo air otherwise known as the South West Trade Winds.  The average annual rainfall for South Africa is about 464 mm (compared to a global average of 786 mm) but large and unpredictable variations are common. Warm season weather is influenced by the El Niño–Southern Oscillation (ENSO). It is typified by Johannesburg, at an elevation of 1,753 metres (5,751 ft). ... while DDF over coastal northern Angola and central South Africa is correlated with SSTs in the Indian and Atlantic Oceans. Agriculture, one of the main industries in South Africa, is highly exposed to climate change. A major reason for the low rainfall is that the moist air comes from a cold ocean, which results in low evaporation levels. Cold and warm coastal currents running north-west and north-east respectively account for the difference in climates between west and east coasts. While the Western Cape has a Mediterranean climate with winter rainfall, most of the country experiences summer rain. … South African Weather Service Prediction System 2.1. Regular cold fronts pass over in winter bringing very cold southerly winds but usually clear skies. The high rainfall in the mountains is due to orographic rains. Rainfall Data for South Africa The initial daily and monthly rainfall datasets used in the study by Lynch (2004) were acquired fr om the erstwhile Computing Centre for Water Research (CCWR) early in 2000. South Africa is a relatively dry country, with an average annual rainfall of about 464 mm. The coast of South Africa and Mozambique receives some winter rainfall, particularly in the winter rainfall region of southwest South Africa. Some regions experience no rainfall in the driest year and received hundreds of millimeters of rainfall in the wettest year. Polokwane, Limpopo, South Africa - Monthly weather averages including average high and low Temperature, Precipitation, Pressure, Wind Charts to assist you in planning your travel, holiday or an outdoor activity at Polokwane, South Africa Ocean-Atmosphere Global Climate Model The South African Weather Service (SAWS) is currently recognised by the World … The winter rains of the south-western and southern Cape are brought by cyclones or cold fronts. The most extreme is at Wemmershoek in the mountains above Franschhoek, where the average yearly rainfall is more than 3 000 mm. With an average annual rainfall of only 464mm (18.2 in), the Western Cape gets most of its rainfall in winter. Temperatures are influenced by variations in elevation, terrain, and ocean currents more than latitude. In Tanzania, flooding has been reported in 5 regions since mid January, 2016. These hot valleys have a much lower rainfall than the plateau areas between them. South Africa was divided into a total of 94 rainfall districts by SAWS (then the South African Weather Bureau: SAWB, 1972), which are presented in Fig. Over most of South Africa, there is a definite rainfall pattern with rainfall increasing from west to east. The region around the Cape Peninsula, including Cape Town, has a Mediterranean climate: cold and miserable rain in winter, balanced by glorious clear-sk… Credit: About South Africa (Department of Environmental Affairs and Tourism) Rainfall distribution of South Africa Credit: About South Africa (Department of Environmental Affairs and Tourism) Weather at Your Fingertips - The Ultimate Weather Resource for South Africa. However, along the west coast of the Western Cape, as well as over the north-western parts of KwaZulu-Natal more than 125% of normal rainfall (reference period 1981—2010) was received.