source of ethiopian rainfall during belg season

December 12, 2020   |   

The season contained 4 distinct dry periods during Feb.-Apr. The central, west, and south-west areas often expect rain in the Bleg period but abnormally heavy Kiremt rainfall immediately following the Belg season can be disastrous or heavy rainfall at the end of the season, due to the soil already being saturated and unable to absorb any extra water runoff in August and September. The season runs starting from mid February to April and it is the main rainy season for south and southeast regions of Ethiopia, which account for the 70pc of the total annual rainfall received in these regions.. Ethiopia: Floods Response Plan , Belg/Gu Season Floods (May 2020) Context ( reliefweb )—According to the National Meteorology Agency’s mid-season belg/gu weather forecast, the seasonal rainfall is expected to peak in May in most belg/gu rain dependent areas of the country. Source: FEWS NET/UCSB Climate Hazards Center. Ethiopia is now the epicenter of the East and Central Africa region. The Belg season has been a source of water for their region but they have not got a drop of rain since the beginning of Belg, Matiwos said. The first type is composed of euritic nitosols and andosols and is found on portions of the Western and Eastern highlands. Source: FEWS NET/USGS. cropping season and Ethiopia’s meher zone covers the western part of Tigray, Amhara, ... During the period for which ASIS data is available, a total of nine El Niño events occurred, with varying levels of intensity. Figure 3. In 2007/08 4.5 percent of national ceral production was produced in the Belg season. production seasons named as Meher (main) and Belg (short rain) seasons. If you're traveling to the historic sites of the north, July and August are the wettest months; while in the south, peak rains arrive in April and May, and again in October. New swarms have been detected in provenance from Yemen. These dry air masses originate either from the Saharan anticyclone and/or from the ridge of high pressure extending into Arabia from a large high over central Asia (Siberia) (Kassahun 1987; Gissila et al. The short rains season, known as the Belg, runs from February to May. However, in most receiving areas, the rains were still between three and four weeks lateThe subsequent late planting. South Welo expects a bad belg season (Mission: 18 to 23 May 1998) By Joachim D. Ahrens, Senior Field Officer, UNDP Emergencies Unit for Ethiopia (EUE) Introduction. Source: FEWS NET/UCSB Climate Hazards Center. Rosell and Holmer (2007) in the eastern part of South Wollo (Ethiopia) had found a slight decrease in rainfall during the short belg season while the long rainy season (kiremt) had shown an increasing trend through time. Wet Season in Ethiopia . Both the short and the long rainy seasons have become shorter and rainfall variability had increased. rainfall amount of the given year plus rainfall amount of January of the coming year. Feb-May 2015 “Belg” region daily rainfall with “wet” and “dry” periods season still finished with a 14.2mm area averaged deficit. 12.5% of the total annual rainfall occurs during the Belg season. Ethiopia, broadly speaking has three seasons. In the absence of these rains, shortages of pasture and water significantly diminish the productive capacity of livestock, creating food shortages and high levels of vulnerability to malnutrition. Due to the high contribution of Kiremt season for annual rainfall amount of about 75%, the annual rainfall has also showed an increasing trend. two stations in the upper 30% of Blue Nile Basin and one station at the Sudan-Ethiopia border. Generally, the Meher eason rain ps rovides ideal crop growing shorter (Belg) season was found to occur during the beginning of the rst decade of 15 April. ETHIOPIA Food Security Outlook Update March 2013 The start of the Belg rains was delayed by about a month KEY MESSAGES • The February to MayBelg rains started during the second week of March, which is earlier than last year. From the analysis Butajira both in Belg and Kiremt season rainfall were significant at α=.1, α=.05, α =.01 level with critical statistic table value 1.645, 1.96, and 2.576 respectively. Kiremt quality results from the timing of its onset and cessation and the frequency and duration of intervening dry-spells. However, in reality, each area has its own rainfall patterns. Addis Ababa The capital, Addis Ababa , is located at 2,300 meters (7,500 ft) above sea level, though the altitude in the different districts of the city ranges from 2,100 to 2,700 meters (7,000 to 9,000 ft), and has a mild climate. Onset, Cessation and Dry spells of Belg Season of Ethiopia _____ 1 Acknowledgment I would like to forward my gratitude to Mr. Abebe Tadege and Mr. Teklu W/Michael, who approved my project proposal after they read … Overall, in North Shewa, the wet season (Kirmet) has been wetter while the dry and small rainy seasons (Bega and Belg) have been drier; North Shewa has been vulnerable to drought during Belg season (CV > 30%). More than 90 percent of the total crop production takes place during the meher season (Taffesse, Dorosh, and Gemessa 2012). The teleconnection between El Niño and Ethiopian seasons has been established by NMSA. Current forecast for the 2012 belg/gu/ganna seasons show a high probability of below normal rainfall impacting negatively on the availability of pasture and water conditions in pastoral and agro-pastoral areas in south-eastern Ethiopia (for every 1 million people in need of relief food assistance, additional Maize, the staple food crop of the region has been the most affected. oceanic sources of atmospheric moisture over the Nile basin are the Atlantic and the Indian Oceans. much rain or more during the Belg season was large, more than 215,000 km. The rainy season is of great importance not only to Ethiopia but to the countries of the Nile valley, as the prosperity of the eastern Sudan and Egypt is largely dependent upon the rainfall. Ataye station Belg season (April and May) dry events occurred in 1999, 2000, 2008, and 2011, while the wet events occurred in 1990, and 1993. El Niño decreases and disrupts the kiremt rainfall (main season) in Ethiopia and boosts the belg rainfall (small rainfall season). In theory, Ethiopia's rainy season begins in April and ends in September. Previous time-series studies of rainfall patterns in Ethiopia have been carried out at various spatial (e.g. Figure 3. eMODIS/NDVI percent of normal (2007-2016), April 1 – 10, 2020. The Belg season receives the second highest amount of rainfall next to Kiremt. CHIRPS preliminary cumulative rainfall anomaly in mm compared to the 1981-2010 average, March 1 – April 5, 2020. The 2020 secondary season “Belg” harvest concluded in August, with about one month of delay. The length of the growing season during the main rainy season, (Kiremt,) ranged from 112 to 144 days with a standard deviation of 9.6 days and coe cient of variation of 7.5%. Previous studies confirm the similar statistical values of the seasonal rainfall around the LTB. South Welo Zone, in the eastern part of Amhara Region, is among those areas in Ethiopia where agricultural production from the short belg season contributes significantly to the local food economy. The February to May “Belg” rainy season was characterized by above‑average cumulative precipitation amounts, but had an erratic temporal distribution over most “Belg” receiving areas, including eastern Amhara and eastern Oromiya regions. Ethiopia - Ethiopia - Soils: The soils of Ethiopia can be classified into five principal types. In the study area El Niño enhances rainfall activities and La Niña periods lowering rainfall. Between 1960 and 1989 the area receiving (on average) this . Many regions along the highest elevations received nearly no rain during March and less than 50% of normal rainfall during April. In Southern Nations, Nationalities and Peoples Region (SNNPR), erratic Belg rainfall has meant that the season's crop performance was very poor with the estimated yield losses ranging from 50-90 % for major Belg crops such as maize, sorghum and haricot beans. Matiwos has six cattle, which he used to take to the nearby Gudaya River, a 25-minute walk, for them to drink water. The 2018 Belg (February to May) rains performed well in most southern areas of Ethiopia, but were well below average and poorly distributed over time in most northern Belg rainfall-receiving areas. The Belg rainfall season in southwestern Ethiopia has had a timely onset, … In addition to this, in Shone annual and Belg seasons were significant. season and yields are smaller in the Belg than in the Meher season. droughts in Ethiopia in 1957, 1965, 1973, 1983-84, 1987, 1993-94 occurred following El Niño events. 2 Belg and Meher seasons. In the same station, the kiremt season (June and July) wet years occurred in 1990 and 2010, whereas extreme dry events occurred in 1994, 2000, 2008 and 2011. Rainy Season (Belg) of Ethiopia By Mesay Abebe Meteorological Research and Studies Department National Meteorological Agency P.O.Box 1090 Addis Ababa September, 2006 . A rainfall runoff model examined the causes for observed trends. Similarly the seasonal rainfall amount of Kirem t and Belg seasons defined as the sum of rainfall amount of each month rainfall in the season respectively. Figure 2 . sources of food in Ethiopia. Linear regression analysis confirmed a decline in precipitation in southern Ethiopia, both in the spring and in the summer (locally known as Kiremt). Rainfall totals of more than 500 mm during these rainy seasons typi-cally provide enough water for viable farming and pastoral pursuits. Ethiopia has been ravaged by severe drought for many of the last 35 years, primarily due to the failure of its main (Kiremt) rainy season in boreal summer. and The lowest amount of rainfall occurs during the Bega season, that is, 9.4% of the total annual rainfall. The Belg season has been a source of water for their region but they have not got a drop of rain since the beginning of Belg, Matiwos said. For example, Setegn et al. Ethiopia receiving most of their precipitation during the Kiremt season. This weak rainfall band is associated with an early phase of the Ethiopian spring rainy season (belg), primarily over the southwestern focus region (Figures 7 and 8). These soils are formed from volcanic material and, with proper management, have medium to high potential for rain-fed agriculture. As a consequence, their cattle are threatened because of lack of water, he added. Rainfall occurs as downpour or thunderstorm, usually in the afternoon or in the evening, even during the monsoon season, when, however, cloudiness is more widespread. In many years and the climatology, a weaker rainfall band appears south of 10°N during late February or early March. Ethiopian farmers rely largely on rain-fed agriculture, and therefore agricultural production in the country takes place in seasonal cycles.5 The main agricultural areas of the country have two rainy seasons: belg and meher. known as Belg) seasons in most of the country during the last 10–15 years. The season most often Belg refers to small rainy seasonwhich normally occurs from February to May mostly in limited areas of the country. During Belg (December–February), the ITCZ is located well south of Ethiopia and the country predominantly falls under the influence of dry warm and cool northeasterly winds. Belg season rainfall showed high variability. 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