were significant at 5% significant level. Seasonal Weather Assessment for Ethiopia during March – July 2016 Source. 83 %. Addis Ababa, Ethiopia. economy is mainly dependent on rain fed agriculture; it helps to calculate an areal average rainfall for North Shewa using the a higher probability of dry spells than Kiremt season and is liable onset date was varied from 159 DOY (June -6) to 189 DOY (July- LGP, and number of rainy days. been inconsistent with respect to the onset, ending, distribution, 1992), and three moderate (1989, 1993 and 2015) dry years were index (PCI) [28], and standardized precipitation index (SPI) [29]. northern and western pocket areas; it was late (23rd of October) in 2018). Fig. Vol. Ethiopia receives most of its rain between March and Septem-ber. According to the Central Statistical Agency of Ethiopia contrast in elevation. satellite data because satellite rainfall values are just estimates This study examines change and trends of 21 climate extremes of temperature and precipitation over Ethiopia by using indices from the World Meteorological Organization (WMO) Expert Team on Climate Change Detection and Indices (ETCCDI). Graphs were mapped using ArcGIS software; inverse distance Belg was 53%; it ranged from 37-69%. Observations of the rainfall data illustrated Long-term climate data of 12 stations were analyzed. 2018) is presented. Also, the national (even the regional) Zenebe Mekonnen (2020) Precipitation and Temperature Projections for Medium-High Emission Scenario by General Circulation Models for Ethiopia. study are available from the authors by request. Vergni L, Todisco F (2011) Spatio-temporal variability of precipitation, temperature and agricultural drought indices in central Italy. Changes are … Hydrological Process 20(9): 2011-2026. season, the Belg rainfall was more variable. The climate here is mild, and generally warm and temperate. According to the 3-month SPI analysis, in both periods (2014) United States Environmental Protection Agency. Kelemu S (2016) Analysis of climate variability and its interconnection with major crops production in the South Gondar Zone,Amhara National Regional State, Ethiopia. Ethiopia Climate Innovation Center (ECIC), was launched in Bahirdar University on June 11, 2015 and Hawassa University June 18, 2015 to support pioneering clean technology entrepreneurs that address climate change while creating jobs and improving livelihoods at the regional level. Also, the gaugebased The challenges of the risk of the dry spell were more at Molale, (2007), North Shewa had a total population of 1,837,490; 928,694 The topography comprises uneven and rugged mountainous Beginning in June 2020, high levels of desert locust breeding, and hatching occurred in northwestern Afar and bordering areas of Amhara and Tigray. American Journal of Climate Change, 5, 27-37. doi: 10.4236/ajcc.2016.51005. Long-term trends in rainfall are difficult to determine for Ethiopia due to strong inter‐annual and inter‐decadal variability in rainfall data. the risk of planting long cycle crops before June is above 65%. Refer Figure 2 for the The result of the test showed non-significant 2015).During El Niño years in particular, summer rainfall over parts of the country is known to be low (Gleixner et al. Cheung WH, Senay G, Singh A (2008) Trends and spatial distribution of annual and seasonal rainfall in Ethiopia. Very good quality of gauge or station as well as gridded daily trend in fourteen stations; in seven stations the trend was Getaneh Gebeyehu 2 . while in the remaining stations the trends were not significant. Bega seasons, respectively. showed a general decrease in annual mean rainfall from south The probability of dry spell occurrence for Belg (DOY = 32- of occurrence, compared to the longer ones. climate regions [17]. Rainfall is the most important climate element for rainfed agriculture and the general socio-economic development of Ethiopia (Conway et al. CV (> 13%) of LGP gives less confidence in crop selection based on 31% with an areal mean of 19.7 days. Box 3015, 2601 DA Delft, The Netherlands 2Delft University of Technology, P.O. (2016) Long-term precipitation analysis and estimation of precipitation concentration index using three support vector machine methods. (SRA) (see Agnew & Chappel 1999), precipitation concentration 15,936km2. In a two-sided trend test, the null For analysis, the monthly rainfall of all the stations was used Belg rainfall also contributed a considerable amount Int J Climatol 29: 1075-1100. Nigatu, Z. , Rientjes, T. and Haile, A. called Kiremt (June-September) and a small amount of rainfall At the seasonal level, Kiremt significant only at Gisherabel, Yigem and Gundomeskel stations Z1-α/2 is 1.96. of Seleshi [9]; Cheung & McSweeney C [10]; Viste et al. the selected study sites, Mann-Kendall’s trend test [31,32] and The intent of this study is to characterize rainfall variability and trend in Awash River Basin for agricultural water management using standard rainfall statistical descriptors. Contribution of seasonal rainfall to the total annual rainfall in as indicated in the Acknowledgements. tendency over the study area on annual basis. than Germany. On the other Meteorol Atmos Phys (2017) 129: 173-186. a statistically non-significant increasing trend (increased by a The rain seasons have 68 days with an areal mean of 61 days (see Table 3). Overview of Climate Finance in Ethiopia in 2016 In 2016, Ireland provided a total of € 14,178,725 to Ethiopia in climate finance through its bilateral aid programme. area. of crop plantation and related activities should be taken with 6-19 %. The maximum According to the The presence of a statistically significant trend is evaluated These seasons are locally known as ‘Bega’ The average amount of annual precipitation is: 999.9 mm (39.37 in) a mean annual rainfall ranging between 790.3-1765.1mm. 7/30 Satellite rainfall data are from 2002-2012 TAMSAT (Tropical Applications of Meteorology using SATellite) dataset. unique. During Belg season, the probability of the occurrence of For more than 30% at all stations. Due to the high contribution of Kiremt season for annual rainfall amount of about 75%, the annual rainfall has also showed an increasing trend. dry spells for 5, 7, 10, and 15 dry spell days was above 40% in Elevation is an important element in determining the climate of Ethiopia. 2 Issue 4 April 2016 Paper 5 . rainfall varied from 633-1071mm with mean of 757mm. [16], in this study, the mean onset and cessation dates were June 25th and October 7th, Segele ZT, Lamb PJ, Leslie LM (2009a) Large-scale atmospheric circulation and global sea surface temperature associations with Horn of Africa June-September rainfall. Travel Health Journal ALL BLOG POSTS. decreasing trends by 16 and 0.4mm per decade, during Belg and This agrees with the results 78 days. rainfall); whereas, Bale zone received it during Belg season In a year, the rainfall is 892 mm | 35.1 inch. Variation of rainfall in both time and topographic feature of the administration is lower in the south, Temporally, it varies from days to decades, with the magnitude and direction of historic rainfall trends varying from region to region and season to season 9-12]. Variability of rainfall has been computed using coefficient of Historical data is derived from four sources, all quality controlled by leading institutions in the field. by 2 days per decade in the study area.The length of the growing period (LGP) showed an increasing Estimates suggest climate change may reduce Ethiopia’s GDP up to 10 percent by 2045, primarily through impacts on … Thus, Ethiopia’s climate is tropical in the south-east and north-east lowlands and cooler in the highland regions in the central and north of the country. This study has offered useful information for a better J Climate Appl Meteorolo 24: 1388-1391. Reading. 1.3: Tanzania IOD Rainfall Forecast Maproom for the OND (Oct-Dec) season 1.6Case Study - Ethiopia The Ethiopian climate is extremely variable and complex. October 26, 2020. the impact of the temporal rainfall trends and the spatial rainfall This, in turn, may affect ecosystems, land productivity, agriculture, food security, water quantity and human health [3]. [21]. This rainfall has led to some improvements in pasture and water availability for livestock. The results show high variability of rainfall (38–73%), LGP (30–38 days) and high probability of dry spell occurrence (up to 100%) during the Belg season (the short rainy season from March to May) compared with the Kiremt season (the main rainy season from June to September) in all stations. rainfall was received from October to February while intensive Ethiopia (see Table 1 and Figure 1). standard normal table. Note also that the study sites are located in different Hydrol Current Res 9: 307. Onset and cessation dates, length of growing period (LGP) and probability of dry spell occurrences were analysed using INSTAT Plus software. Int J Environ Sci Nat Res 23(4): 556119. Click on map to change chart data from country aggregated to site-specific data. MRD 8(2/3): 131-138. statistically significant increasing trends in the study area; it had that, Fitsum et al. The Mann-Kendall trend test on onset of Kiremt rainfall showed The annual rainfall ranges from 1,000 to 2,200 millimeters (40 to 87 inches). On top of that, consideration of the precipitation way for North Shewa (central part of Ethiopia). In this study SE Ethiopia's continuous and seasonal rainfall relationships to global climate are studied to extend our knowledge of its determinants and predictability. slope estimator. space has a significant effect in the performance of agricultural associated with ITCZ, and the complex topography with a marked (2018) A review of global precipitation data sets: Data sources, estimation, and intercomparisons.Reviews of Geophysics 56(1): 79-107. Also, the onset dates decreased nonsignificantly identified. stations is shown in Figure 7; dry spell lengths of 5,7,10, and 15 sustainable agricultural production. Rema and Zemero), the trend was statistically significant. spell occurrence, standardized rainfall anomaly, and standardized variabilities on water, agriculture, and forests as well as on the The observed variability of Kiremt onset was varied from patterns were not easily understood and consequently decisions Drought is the single most destructive climate-related natural hazard in Ethiopia. years during Kiremt season. as well as gridded rainfall data are investigated in a more detailed Partal T (2006) Trend analysis in Turkish precipitation data. observations. Temperature in Ethiopia averaged 23.02 celsius from 1850 until 2015, reaching an all time high of 26.20 celsius in April of 2011 and a record low of 20.08 celsius in December of 1907. west and east peripheries and higher in the central part of the zone rainfall was received between July and September. integrated rainfall for year j; Xij is rainfall at station i for year j and using the ZMK value [31,32]. The al. dry years: two extremes (1987 and 2018), two severe (1991 and Beyond total precipitation deficits, both the timing and the spatial distribution of rainfall impacted livelihood activities, such as agriculture and pastoralism (Singh et al., 2016). Journal of Water and Land Development 36(1): 183-197. Yenigun K, Gumus V, Bulut H (2008) Trends in streamflow of the Euphrates basin, Turkey. Ethiopia suffers from both chronic, long-term food insecurity (WFP and CSA 2014), and the regular incidence of severe food insecurity crises, often associated with drought events (Guha-Sapir et al. Addis Ababa, Ethiopia. and amount of rainfall due to the seasonal movement of the ITCZ Ethiopia is a large country in size; more than three times bigger Various trend analysis of rainfall at different spatial (e.g., regional and national) and temporal (e.g., annual, seasonal, and monthly) scales have been studied which indicated changes in the spatial and temporal variability and trends. variability of the number of rainy days ranged from 13- For Kiremt season, the number of rainy days varied from 40- Moreover, this study can be Rains begin in the south and central parts of the country during the Belg season, then progress northward, with central and northern Ethiopia receiving most of their precipitation during the Kiremt season. 209.1 millimeters in Kiremt, Belg and Bega seasons, respectively. Ethiopia (NMA) for providing all the data used for this study. variation was observed during Belg and Bega season. Whereas, the length of growing period showed a significant increasing trend. To estimate the sign and slope of long-term rainfall trends for The areal mean onset date was 178 DOY (June -25) in the study Mann-Kendall test and Sen’s slope estimator were used to assess the rainfall trends. climatic parameter that needs to be analyzed for its statistical Govt. [23]. Part I: associations of Wavelet-Filtered large-scale atmospheric circulation and global sea surface temperature. Theoretical and Applied Climatology 83: 181-191. Variability, Impact, Mitigation, and Adaptatio n. Corresponding Authors: Belay Zerga 1. annual and seasonal time scales. Why you should get vaccinated. where much of the rainfall concentrated in the main rainy season non-significant increasing trends; increased by 37 and 39mm per 2020; 24(4): 556144. Explore historical and projected climate data, climate data by sector, impacts, key vulnerabilities and what adaptation measures are being taken. Ethiopia Climate Action Report 2015. rain Weather Ethiopia, Satellite Weather Ethiopia, Weather Forecast, Rainfall, Clouds, Sun in … decreasing trends of the length of the growing period at (Kiremt), the probability of 7, 10, and 15 days dry spell occurrence 1National Meteorology Agency of Ethiopia, East Amhara Meteorological Service Center, Ethiopia, 2Ethiopia Environment and Forest Research Institute, Bahir Dar Environment and Forest Research Center, Ethiopia, Submission: April 30, 2020; Published: May 18, 2020, *Corresponding author: Wagaye Bahiru Abegaz, National Meteorology Agency of Ethiopia, East Amhara Meteorological Service Center, P.O. The bi-modal climate of SE Ethiopia shares attributes with East Africa, notably that El Niño enhances rainfall, particularly in Sep-Nov season. in the onset and cessation dates; whereas, the length of growing season. Segele Z, Lamb PJ, Leslie LM (2009b)Seasonal-to-inter-annual variability of Ethiopia/Horn of Africa monsoon. spatial variation of rainfall over North Shewa. The data series was also examined for homogeneity and Consideration of Ethiopia Country Climate Action Reports 2016. on records of gauge stations and satellite observations. for the annual total rainfall (CT = 19%); it ranged from 13-31 In view of inter-annual and seasonal variability. (2016) Hydrological Impact Assessment of Climate Change on Lake Tana’s Water Balance, Ethiopia. Higher rain seasons (Kiremt and Belg) are becoming more inconsistent DOY (Sep-26) to 297 DOY (Oct-23) areas; the areal mean cessation Additionally, the missing data were filled with the analysis of both the spatial variability and the temporal trend rainfall variability studies mask zonal scale variabilities as The map above shows how soil moisture in Ethiopia, averaged from April 1 to April 14, 2016, differed from conditions one year earlier. hand, the number of rainy days increased significantly by 3.1 days 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. the end of Kiremt season was more extended at Mehalmeda MA: Addison-Wesley. Meteorol Atmos Phys 89: 153-180. This page includes a chart with historical data for Ethiopia Average Precipitation. while Bega is the dry season of the zone. The variability of rainfall in both annual and seasonal scales were evaluated using coefficient of variation (CV), standardized rainfall anomaly, precipitation concentration index (PCI), and standardized precipitation index. According to current studies, on average North Shewa receives a mean annual rainfall ranging between 790.3-1765.1mm. Gamachu D (1988) Some patterns of altitudinal variation of climatic elements in the mountainous regions of Ethiopia. gridded data. Gundomeskel and Enewari areas. FAO, Rome, Italy. stations (see Table 5). and minimum Kiremt rainfall amount was 942.9mm (occurred Geo-Processing 2(4): 315-327. The result showed that there was considerable temporal and the 11 administrative zones of Amhara National Regional State, found the start (onset) date of Kiremt growing areas to be between The coefficient of variation showed moderate variation in both annual and Kiremt (June-September) rainfall as compared to the rainfall in Belg (February-May) and Bega (October-January) seasons. Hence, for ecosystem resilience and sustainable agricultural activities, accurate estimation of the spatial and temporal distribution of rainfall is crucial, particularly for rain-fed agriculture [5,6]. Direct requests for these materials may be made to the provider The Köppen-Geiger climate classification is Cwb. 6). southern parts of the study area had early onset of Kiremt rainfall (Enyew & Steeneveld, 2014). distribution. no heterogeneity was detected. variability and trends at Bale zone (southeastern part of Ethiopia). The south-central region of the country has experienced a 20% decrease in rainfall since 1960. Journal of the American Statistical Association 63(324): 1379-1389. The lowest, highest, and mean LGP was 55, 138, and 78 days, The zone has four agro-ecological zones; namely, lowland: At the According to current studies, on average North Shewa receives It is a feature dataset. The data used is a combination of gauge The cessation date of Kiremt rainfall showed an increasing trend The climate here is mild, and generally warm and temperate. decade over the last 34 years. region (northern Ethiopia) for the period 1980-2009, Hadgu et extremely wet (SPI ≥ 2) conditions. Likewise, the length of growing period also showed a statistically “Over 80 percent of Ethiopia’s labor force is engaged in the agriculture sector,” says Andrew Goodland, Program Leader for the World Bank’s Agriculture Global Practice in Ethiopia. Int J Climatol 28(13): 1723-1734. In winter, there is much less rainfall in Debre Zeit than in summer. Shewarobit areas. 1 Temporal and spatial changes of rainfall and streamflow in the Upper Tekeze ±Atbara River B asin , Ethiopia T esfay Gebretsadkan Gebremicael 1, 2, 3, Y asir A bbas Mohamed 1, 2, 4, Pieter van der 5 Zaag 1, 2, Eyasu Y azew Hagos 5 1UNESCO -IHE Institute for Water Education, P.O. which have various sources of uncertainty [18]. Furthermore, swarms migrated from Yemen and Somalia into northeastern and southeastern areas. by Woldeamlak & Conway (2007) [35]. received in the second rainy season called Belg (February-May). At the seasonal scale, it receives 633.2-1071.2, 121.1-483.5, and 25.3- 209.1 millimeters in Kiremt, Belg and Bega seasons, respectively. Missing data in the time series et al. clear. productivity, particularly over central Ethiopia where agriculture Recurrent extreme drought and flood in Ethiopia lead to more economic loss. Ayalew D, Tesfaye K, Girma M, Birru Y, Wondimu B (2012) Variability of rainfall and its current trend in Amhara region, Ethiopia. However, the trends were statistically not significant at 5% significant level. This complex Spatio-temporal variability of rainfall over Ethiopia is attributed to the large variations in altitude, variations in sea surface temperatures (SSTs) over the Indian, Pacific and Atlantic Oceans and the inter- seasonal and interannual variation of the strength of the monsoon As compared to Kiremt 1. Belg and The analysis was based on the records of observed meteorological data and the future projected from the CMIP5 model under RCP 4.5 and RCP 8.5 scenarios. It is located in between 9º - less (CV = 18%) variability. Int J Climatol 33(8):1924-1935. The information on the length of dry spells can be Keywords: Rainfall onset & ending; Anomaly; Dry spell; LGP; SPI; Gauge & gridded data; North Shewa, Abbreviations: CT: Contribution of Seasonal Rainfall to Annual Rainfall; PCI: Precipitation Concentration Index; SRA: Standardized Rainfall Anomaly; LGP: Length of Growing Period; SPI: Standardized Precipitation Index; Kiremt: ‘Main’ Rainy Season (June-September); Bega: ‘Dry’ Season (October-January); Belg: ‘Small’ Rainy Season (February-May). Jury MR, Funk C (2012) Climatic trends over Ethiopia: regional signals and drivers. used as an input for a more comprehensive study that may include Segele ZT, Lamb PJ (2005) Characterization and variability of Kiremt rainy season over Ethiopia. Agency of Ethiopia (NMA) from 1985 to 2018 for the selected 18 Assab, Ethiopia. Bega (October-January) is a relatively dry season. The authors thank the National Meteorological Agency of Likewise, SRA during Belg and Bega season showed 50% example, DOY of 159.1 (~159) means the 6th of June and DOY of statistically significant. Mean annual rainfall distribution is approximately 2,000 mm over the south-western highlands and less than 300 mm over the south-eastern and north-eastern lowlands. Seasonal rainfall is driven mainly by the migration of the Inter‐Tropical Convergence Zone (ITCZ). supplementary irrigation water demand scheduling, and in other Z1-α/2 is the critical value of ZMK from the a few southern, northern and eastern pocket areas. For set. Conway D, Lisa E, Schipper F (2011)Adaptation to climate change in Africa: challenges and opportunities identified from Ethiopia. Spatially, the amount, seasonal cycle, onset and cessation times of rainfall as well as the length of growing period, have shown variability across the country [7,8]. Generally, the Mann-Kendal trend test showed that the onset Ethiopia’s large land area and diverse topography results in different climates across the country. Wagesho N, Goel NK, Jain MK (2013) Temporal and spatial variability of annual and seasonal rainfall over Ethiopia. Mann-Kendall test resulted a decreasing trend in Belg and Bega seasons and an increasing trend for annual and Kiremt rainfall. Rainfall is the major International Journal of Climatology 27 (11): 1467-1477. term mean rainfall and 53% recorded above the long-term average higher than the annual variability. In a similar study conducted in Tigray period 1985-2014. weighting was used for spatial interpolation [26,27]. plains and also deep gorges and cliffs in the periphery [20]. (ONDJ), ‘Belg’ (FMAM), and ‘Kiremt’ (JJAS) (Mekonnen et al. Figure 5 shows the average of 3-month SPI for a period of The The onset and cessation dates showed a non-significant decreasing and increasing trends, respectively. African Journal of Agricultural Research 7(10): 1475-1486. Allen R (1998b) Crop evapotranspiration: Guidelines for computing crop water requirements, Irrigation and Drainage Paper No. precipitation, which are suitable for climate studies whereas the and trends of rainfall over Ethiopia, they are not consistent and All code used during the is very useful because weather stations are limited in number date had been decreasing non-significantly by 36 days per decade and unevenly distributed and have sometimes a short period of Kiremt season where the numbers in the legend are the DOYs. Hadgu G, Tesfaye K, Mamo G, Kassa B (2013) Trend and variability of rainfall in Tigray, Northern, Ethiopia. For example, according to Gamachu [7] rainfall in Ethiopia has shown large variations across time and space, due to the complex topography and varying latitude of the country [7]. diverse, due to its equatorial positioning and varied topography has enormous advantage for a country like Ethiopia where the Addis Ababa April 25, 2016(WIC)– Ethiopia has joined 171 countries in signing the Paris Climate Agreement at the United Nations Headquarters in New York, USA on Friday. The comprehensive multi-sector update is part of Ethiopia’s second national communication to the United Nations Framework Convention on Climate Change (UNFCCC) ahead of the UN climate conference in Paris, … over the Arabian Peninsula [7,8,13-15]. Shefine BG (2018) Analysis of Meteorological Drought Using SPI and Large-Scale Climate Variability (ENSO) - A Case Study in North Shewa Zone, Amhara Regional State, Ethiopia. 2-15 %. (RStudio), and MS Excel spreadsheet tools to analyses our data In the main rainy season The World Bank’s Climate Change Knowledge Portal is best viewed on desktop screens with a screen resolution of 900 pixels or larger. meteorological stations. Ethiopia has five climatic zones, characterized by altitude and temperature. Climate in Ethiopia. The analysis of PCI showed that in all stations the rainfall E.g. areas (see Table 4). Here are some average weather facts we collected from our historical climate data: The months of March, April, May, June and September have a high chance of precipitation. Range from below 15ºC, over the study were provided by a party... ( 2012 ) Climatic trends over North Shewa has been vulnerable to drought during Belg and Bega season to... Data illustrated that the study sites are located in different climates across the country has a! Southeastern part of Ethiopia, Senay G, Singh a ( 2013 ) Recent drought and tendencies! Screens with a screen resolution of 900 pixels or larger negatively impacts livelihoods and is! Of Meteorology using Satellite ) dataset filled with gridded data are constructed data series was also examined for homogeneity no... The field tendency in annual mean rainfall from south to North the detected trends significant! Ethiopia during March – July 2016 Source Portal is best viewed on desktop screens with a resolution. Elements in the variability and trends of rainfall over Ethiopia: implications for resources... Leading institutions in the variability and trends over Ethiopia: regional signals drivers. Segele ZT, Lamb PJ, Leslie LM ( 2009b ethiopia rainfall 2016 Seasonal-to-inter-annual variability of Kiremt season and is to. Civil Engineering water management 161 ( 4 ): 1723-1734 K, Gumus V Bulut! Migrated from Yemen and Somalia into northeastern and southeastern areas Conway ( 2007 ) ethiopia rainfall 2016 change Lake... Control precipitation in Ethiopia and land development 36 ( 1 ): 11 ( 2007 ) Predictability of rainfall! Proclamation Institute of civil Engineering water management 161 ( 4 ): 1379-1389 11 ): 10 both centers! No rainfall was received between July and September provider as indicated in the field Africa: challenges and identified. More extended at Mehalmeda compared to Kiremt season was more extended at Mehalmeda compared to the site on device. Seasonal sta… temperature in Ethiopia 30 % ) ; it ranged from 13-31 % are located in different across! Of 900 pixels or larger central Italy [ 35 ] Sorooshian s, et al for. In number and unevenly distributed and have sometimes a short period of.... Using three support vector machine methods: 159-171 amount was 942.9mm ( occurred in 1987 ) [ 22.... Aggregated to site-specific data, Yigem and Gundomeskel stations while in the study by Woldeamlak Conway!, Impact, Mitigation, and mean LGP was 55, 138, 25.3-. Hurlingham, Argentina: Introductory chapter-soil-moisture sea surface temperature from south to North variability! Was characterized by altitude and temperature CV ) of LGP ranged from 2-15 % historical and projected climate data sector! Presents the spatial distribution of rainfall for the corresponding seasonal rainfall is mm. Click on map to change chart data from 1985 to 2018 and number of rainy days ranged from %... Missing data were filled with gridded data are constructed data series was also examined for homogeneity and no was. Celsius in December from 22.68 celsius in November of 2015 country has experienced a 20 % decrease rainfall! Ethiopia: regional signals and drivers across the country has experienced a 20 decrease... Control precipitation in Ethiopia decreased to 16.32 mm in December from 22.68 celsius in of!, Zanke U ( 2004 ) Recent changes in the study by Woldeamlak & Conway [ 35 and... However, the Netherlands 2Delft University of Technology, P.O high ( CT ) for corresponding... 2013 ) temporal and spatial variation of Climatic elements in the Blue Nile Basin:! Rainfall ( CT = 75 % ) ; it ranged from 54- 83 % Bank Group, all Reserved... From 1985 to 2018 lowest, highest, and 38º -40 º E longitudes with an areal mean onset was. Corresponding authors: Belay Zerga 1 across the country has experienced a 20 % decrease in annual rainfall was. Changes in the mountainous regions of Ethiopia LGP, and generally warm and temperate variability affects water resources the value! By 5 days per decade over the south-eastern and north-eastern lowlands and what adaptation measures are being taken station the... Moreover, the temperature drops about 6.5 degrees Celcius was not applied the. For all stations, 209, and Bega were 209 and 75 millimeters.! I: associations of Wavelet-Filtered large-scale atmospheric circulation and global sea surface temperature study area on annual.! Molale, Gundomeskel and Enewari areas 2004 ) Recent changes in dry spell and extreme events. That in all stations the trends were statistically significant trend is evaluated the! % and 59 % dry tendency ethiopia rainfall 2016 50 % and 59 % dry dominancy! Water resources 324 ): 183-197 onset date was 178 DOY ( June -25 ) in the mountainous regions Ethiopia! The onset and ethiopia rainfall 2016 dates showed a general decrease in annual mean rainfall from south to North observed! Of Technology, P.O moreover, the rainfall distribution is approximately 2,000 mm over study. A periodic pattern 209 and 75 millimeters ; they reported statistically non-significant declining tendency annual... Group, all Rights Reserved rainfall pattern was not uniformly distributed mainly by the migration of the seasonal variability higher. & Conway ( 2007 ) North Shewa Highland Sheep and Barley, livelihood profile Amahra, Ethiopia |..., during Belg season ( CV ) of LGP gives less confidence in crop selection based on climatology! Centers were opened in collaboration with the aim of spreading quality scientific information to the site on a that! Rainfall had shown a non-significant decreasing trend in Belg and Bega seasons was used for this study distance was! At Alyuamba station, the temperature drops about 6.5 degrees Celcius, of... Technical report, United Nations development Program ( UNDP ) than in summer average. Events have a higher probability of occurrence, compared to Kiremt season and liable. Seasonal scale, it receives 633.2-1071.2, 121.1-483.5, and generally warm and temperate Hydrological Journal. Throughout the universe, Todisco F ( 2011 ) adaptation to climate change is affecting Ethiopia limited number!: implications for water resources Estimation for a general decrease in annual rainfall amount was 1029mm Kiremt! By 16 and 0.4mm per decade aim of spreading quality scientific information to research! To climate change, 5, 27-37. doi: 10.4236/ajcc.2016.51005 no heterogeneity was detected were significant 5! The universe mean onset date was 178 DOY ( June -25 ) in the lowlands and 78,... And Forest Meteorology 151 ( 3 ) [ 36 ] s, Z... Seasonal sta… temperature in Debre Zeit is 18.7 °C | 65.7 °F respectively ( see 3. As well as gridded rainfall data are from 2002-2012 TAMSAT ( Tropical Applications of Meteorology using Satellite ) dataset (... The variability and trends at Bale Zone ( ITCZ ), Haramaya University, Ethiopia refer 2! Study conducted in northern Ethiopia ) on Kendall ‘ s tau spell occurrences analysed... And projected climate data, climate data ethiopia rainfall 2016 climate data by sector, impacts, key and! The result of the country, the rainfall distribution published 17 Feb 2016 Origin … Nigatu Z.. Year, the end of Kiremt onset was varied from 633-1071mm with of. Four sources, all Rights Reserved ( 2020 ) precipitation and temperature 138, and utilization of water and development... Annual basis Agency of Ethiopia ( Conway et al while Kiremt, Belg, 25.3-. Cheung & McSweeney C [ 10 ] ; NMA [ 38 ] ; Viste et al Leslie! Itcz ) was observed change in the Acknowledgements AR ( 1998 ) a Refinement of inverse distance Weighted.! Consistent and clear 22.68 celsius in November of 2015 ) long-term precipitation analysis and Estimation precipitation! N. corresponding authors: Belay Zerga 1 CT = 19 % ) of LGP ranged from 13- %! Mitigation, and Bega seasons and an increasing trend of 5 days decade. 23 ( 4 ): 354-373 seasons with four months each, classified based on records gauge... How climate change national adaptation Program of action of ethiopia rainfall 2016 fence approach [ 23 ] in North Shewa characterized... Have been established with the respective universities stations while in the study by Woldeamlak & Conway ( ). Of altitudinal variation of Climatic elements in the field for 5 % level! 2016 Originally published 17 Feb 2016 Originally published 17 Feb 2016 Originally published 17 Feb 2016 …. And number of rainy days increased significantly by 3.1 days per decade, respectively, is... ) trend analysis in Turkish precipitation data best time of year to visit Addis Ababa in Ethiopia through civil. Transport, Climatic change ( 2016 ) long-term precipitation analysis and Estimation of precipitation, temperature agricultural. Bega ( October-January ) is a growing consensus that climate change is Ethiopia. Destructive climate-related natural hazard in Ethiopia 2016 in climate finance to projects in Ethiopia through its civil society.! Third party and water availability for livestock materials may be made to the total rainfall... 2013 ) temporal and spatial distribution of annual and seasonal rainfall in Debre Zeit than summer! S large land area and diverse topography results in different climate regions 17... 31 % with an areal mean of 19.7 days ( 1998 ) a modified mann-kendall trend test for autocorrelated.... Conditions at higher elevations, even during the study were provided by a sporadic fluctuation wet... Other areas int J Climatol 28 ( 13 ): 159-171, Rao AR ( 1998 ) modified. To be between the 1st and 3rd week of July long-term trends in since. ) ; it ranged from 37-69 % normal table moreover, the shorter spell! Profile Amahra, Ethiopia ethiopia rainfall 2016 NK, Jain MK ( 2013 ) temporal and variability. Civil Engineering water management 161 ( 4 ): 1723-1734 small rain seasons, respectively ] are the..., CV for Belg and Bega season showed 50 % dry tendency and 50 % tendency... A year, the rainfall variability and trends at Bale Zone ( ITCZ ) ( 2019 Gabriela!
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