Rainfall The single most dominant element of the climate of Bangladesh is the rainfall. This is an open-access article distributed under the terms of the Creative Commons Attribution License, which permits unrestricted use, distribution, and reproduction in any medium, provided the original author and source are credited. Meteorological drought; Rainfall data; Spatial analysis; SPI" />. On the ther hand, Feni and Teknaf stations were found highest two years of extreme drought in Kharif season where Feni was also faced three years severe droughts; Kutubdia and Rangamati were faced four years moderate droughts and Teknaf faced sixteen years normal droughts. List of Scientist; List of Engineers; AWS Data; WB Project. In Kharif season, only northern region showed increasing trends with a rate of 2.63% per 10 years and the other three regions namely central region, eastern region and southern and western region were found decreasing trend 1.05%, 3.02% and 3.02% per 10 years respectively (Figure 3). Bangladesh BMD monthly rainfall Bangladesh BMD monthly rainfall: Bangladesh Meteorological Department. The percentage of dry period was greater than 50% for all stations in southern and western region during Pre-Kharif season (Table 2). The SPI value for 3-months, 4-months and 5-months’ time scales have been calculated from 1980 to 2015 for 35 meteorological stations. The nature of the SPI allows an analyst to determine the rarity of a drought or an anomalously wet event at a particular time scale for any location in the world that has a precipitation record. Bangladesh Meteorological Department Home; Service. Department of Meteorology and Hydrology (Myanmar) Regional Meteorological Centre, Chennai is one of the six regional meteorological centres (RMCs) of the India Meteorological Department (IMD) and is responsible for the weather-related activities of the southern Indian peninsula comprising the states of Andhra Pradesh, Telangana, Karnataka, Kerala, Tamil Nadu and the union territories of Andaman and Nicobar, Lakshadweep Islands and Puducherry. Also, in Rabi season, the highest increasing rate of droughts areas were found in eastern region (11.11%) followed by northern region (8.22%), southern and western region (7.56%) and central region (6.79%) per 10 years (Figure 4). Cyclone; Hydrological Disaster. WMO Technical Note Number 81, Secretariat of the World Meteorological Organization, Geneva, Switzerland. Computation of the SPI involves fitting a gamma probability density function to a given frequency distribution of precipitation totals for a station. So, agricultural planners and irrigation engineers should take necessary steps to mitigate drought vulnerability based on agro-climatic conditions of Bangladesh. Our Group organises 3000+ Global Conferenceseries Events every year across USA, Europe & Asia with support from 1000 more scientific Societies and Publishes 700+ Open Access Journals which contains over 50000 eminent personalities, reputed scientists as editorial board members. Among these 34 stations, only two stations, Sylhet and Srimangal, observe rainfall in the northeastern zone which lies in the Meghna basin. Rainfall. Natural Hazards 46: 391–413, The relationship of drought frequency and duration to time scales. Cambridge University Press, Cambridge, England, UK. Amphan.png. The data of rainfall of Bangladesh were obtained from the Bangladesh Meteorological Department (BMD). The main objective of this study is to assess the spatial and temporal pattern of meteorological drought over different regions of Bangladesh using the Standardized Precipitation Index. The base data for this work has been collected from Bangladesh Meteorological Department. Monthly precipitation data of 35 meteorological stations were taken from Bangladesh Meteorological Department for a maximum period of 36 years from 1980 to 2015. DataApp; On Line Data Purchase; Jobs; Result; Headquarter & Other Stations; About Us. Regional offices are at Chennai, Mumbai, Kolkata, Nagpur, … DataApp; On Line Data Purchase; Jobs; Result; Headquarter & Other Stations; About Us. Major finding of this study is Pre-Kharif and Rabi season were the most vulnerable to meteorological drought which indicates high seasonal rainfall anomaly in most of the regions of Bangladesh. DOI: 10.4172/2157-7617.1000457. Thesis, Department of WRE, BUET, Dhaka, Drought risk assessment in the western part of Bangladesh. In Kharif season, the trend of drought area was found increasing in northern region with a rate of 2.63% per decade where central region, eastern region and southern and western region were decreasing with a rate of 1.06%, 3.02% and 3.02% per decade, respectively. Figure 3: Percentage of drought area in Kharif season over different regions of Bangladesh (a) Central Region (CR), (b) Eastern Region (ER), (c) Southern and Western Region (SWR) and (d) Northern Region (NR). Drought has a great impact on the agricultural production of Bangladesh. The dry periods of most of the stations were ranges from 45% to 55% (Table 2). Engg. IJCCSM 4,1 66 Received 6 November 2010 Revised 9 April 2011 ... 3.2 Monthly rainfall simulation over Bangladesh Surface area average rainfall data collected by BMD have been used for the comparison with model simulated rainfall. Most of the stations expressed dry periods less than 50% (Table 2). Rainfall : 0 mm; Wind : 5 kph . The calculation of Standardized Precipitation Index (SPI) [10,11] was followed in this research to assess anomalous and extreme precipitation developed the Standardized Precipitation Index (SPI) for the purpose of defining and monitoring drought [10,11]. The base data for this work has been collected from Bangladesh Meteorological Department. Figure 7: Spatial distributions of meteorological drought in 1981, 1994, 2006 and 2012 of Kharif season. Variations of drought areas were also plotted and investigated by different seasons (Pre-Kharif, Kharif and Rabi) of Bangladesh. J Earth Sci Clim Change 9: 457. Time series of 30 meteorological stations were then used for the period of 1981 to 2010 in the present study. The average temperature in Dhaka is 25.9 °C | 78.6 °F. Early drought delays transplanting as well as harvesting time of aman rice which affects the cultivation of rabi crops after T. Aman. Meteorological drought assessment of eastern region. The cumulative probability, H(x), is then transformed to the standard normal random variable Z with mean zero and variance of one, which is the value of the SPI. List of Scientist; List of Engineers; AWS Data; WB Project. Monthly precipitation data of 35 meteorological stations were taken from Bangladesh Meteorological Department for a maximum period of 36 years from 1980 to 2015. Bangladesh - Historical Daily Rainfall Record (1948 - 2014) - Bangladesh Meteorological Department Historical daily rainfall data (mm) between 1948 to 2014, obtained from weather stations in each division of the country. In 2006, northern region was mostly affected by extreme, severe and moderate drought conditions which covered about 31% of area of Bangladesh. The large number of moderate drought was six years and five years in Bhola and Maijdi court, respectively. The meteorological information of Chandpur, Comilla, Dhaka, Faridpur, Madaripur, Mymensingh and Tangail stations were evaluated to assess the meteorological drought of central region. Bangladesh Meteorological Department Home; Service. The most significant increasing trend of drought area was found in Rabi season and decreasing trend was found in Kharif season. Thorn [22] uses tables of the incomplete gamma function to determine the cumulative probability G(x) [10] use an analytic method along with suggested software code from Press et al. Daily Rainfall Data 1007. Approximately, 29% area was affected by moderate to extreme drought conditions in 2012, where south-western region and central region were suffered by extreme as well as by severe drought, and northern region was suffered by moderate drought. Figure 8: Spatial distributions of meteorological drought in 2005, 2006, 2010 and 2012 of Rabi season. The summers here have a good deal of rainfall, while the winters have very little. DEPARTMENT OF METEOROLOGY AND HYDROLOGY (MYANMAR). And highest drought year in Rabi season were 1985, 1986, 2005, 2006, 2009, 2010 and 2012. List of Scientist; List of Engineers; AWS Data; WB Project. To develop map and the spatial extents of drought hazards in different time steps, a study was carried out by Shamsuddin and Behrawan [9] using Standardized precipitation index [10,11] method. DataApp; On Line Data Purchase; Jobs; Result; Headquarter & Other Stations; About Us. The cumulative probability is given by: Letting, this equation becomes the incomplete gamma function: Since the gamma function is undefined for x=0 and a precipitation distribution may contain zeros, the cumulative probability becomes: H (x) = q + (1− q)G(x) [22] states that q can be estimated by q = m / n , where q is the probability of a zero. The significant drought events were found in 1992, 2008, 2012 and 2014 in Pre-Kharif, 1981, 1985, 1992, 1994, 2006 and 2012 in Kharif and 1985, 1986, 2005, 2006, 2009, 2010 and 2012 in Rabi season. Agromet Forecast; Agromet Stations; Real time Data; Glossary; 7 days Rainfall; Agromet Archive; Wheat Blast Early Warning System; Agvisely: Agrometeorological Information Services; Climate Data Portal; Online Data Purchase; NWP Products. Moreover, in Kharif season; the highest percentage of dry period was 55.56% in Comilla and Dhaka (Table 2). Public weather call: 067-411252/01-667766. Accepted Date: Mar 23, 2018 / Among them the highest dry period percentage (55.56%) was found in Sitakunda (Table 2). Major finding of this study was Pre-Kharif and Rabi season were the most vulnerable to meteorological drought that indicates high seasonal rainfall anomaly in most of the regions of Bangladesh. The maximum amount of rainfall has been recorded in the northern part of Sylhet district and in the southeastern part of the country (Cox's Bazar and Bandarban districts). Among the all regions of Bangladesh, significant drought years of Kharif seasons were 1981, 1985, 1992, 1994, 2006 and 2012. • The meteorological activities started in this country in 1877 through the establishment of one observatory in Satkhira … In this study, different features of meteorological drought including frequency of drought, dry and wet periods, percentage of drought area, temporal and spatial variations of drought in Bangladesh were examined. In case of Pre-Kharif season (Figure 2), the most significant increasing trend of drought area was found in central region with a rate of 7.18% per 10 years followed by southern and western region with a rate of 5.42% per 10 years and northern region with a rate of 1.31% per 10 years. Go to resource. This page includes a chart with historical data for Bangladesh Average Precipitation. Heavy Rainfall Warning (No.02/2020) In pre-Kharif season, major drought events were found in 1992, 1995, 2007, 2008, 2012 and 2014. Climate Change; Meteorology; Acid Deposition ; Articles; Environmental Affairs; Remote Sensing and GIS; Contact Us (4.12.2020) According to the observations at (12:30) hrs M.S.T today, the … Sunrise : 6:30 AM Sunset : 5:12 PM. ), and for each month of the year. • Bangladesh Meteorological Department is a government organization under the administrative control of the Ministry of Defence. Theor Appl Climatol 119: 679–688, Some methods of climatological analysis. Where, α>0 (α is a shape parameter), β>0 (β is a scale parameter), x>0 (x is the precipitation amount) and is the gamma function). Analyses have been done for two annual maximum data series. List of Scientist; List of Engineers; AWS Data; WB Project. Content of this site is available under  Creative Commons Attribution 4.0 License Copyright © Among others, the Colorado Climate Center, the Western Regional Climate Center, and the National Drought Mitigation Center use the SPI to monitor current states of drought in the United States. The results revealed that the most significant increasing trend of drought area was found in Rabi season (8.66% per decade) and decreasing trend was found in Kharif season (2.47% per decade). Whereas five years moderate drought was appeared in Satkhira. It is mainly focused on the development of models for long term rainfall prediction of Bangladesh divisions and districts (Weather Stations). Keywords: taf vghs 090500z 0906/1012 35005kt 2000br sct012 becmg 0914/0916 36005kt 1000br sct010 tempo 0923/1003 00000kt 0500fg bkn005 becmg 1004/1006 34005kt 1500br sct012= On the other hand, the north-western region was the most vulnerable region of the country [4] which experienced most severe drought because of high variability in rainfall [5]. Thorn [22] found the gamma distribution to fit climatological precipitation time series well. The temporal and spatial variation of meteorological drought in the study area has been identified using SPI in multiple time scales. Weather Clim Extremes 1: 42–50, Spatio-temporal analysis of meteorological drought variability in the Indian region using standardized precipitation index. [23] to determine the cumulative probability. In addition, four years moderate drought was prevailed in Barisal, Khulna and Satkhira during rabi seasons (Table 2). Outdoor rainfall, temperature and relative humidity data of the study areas, from January’ 2011 to February’ 2012 were collected from the local stations of the meteorological department of Bangladesh. Monthly rainfall records of 17 stations of Bangladesh for fifty years (1958–2007) are collected from Bangladesh Meteorological Department for the study. In Rabi season, two years extreme drought in Chandpur, Dhaka and Faridpur; four years severe droughts in Madaripur; four years moderate droughts in Comilla, Madaripur, Mymensingh and Tangail and maximum twelve years normal droughts were happened in Chandpur. Int J Mod Eng Res 3: 2407–2411, Trends in meteorological and agricultural droughts in Iran. After that, obtained SPI value was classified according to the drought classification of World Meteorological Organization (Table 1). The summers here have a good deal of rainfall, while the winters have very little. During Kharif season, T. Aman rice is tremendously affected by drought whereas in Rabi and pre-kharif season; wheat, potato, mustard and T. Aus rice are mainly affected. Extreme, severe and moderate drought events were found about 68% of the total area of Bangladesh in 1994. The BMD observation network density is low, in some cases observation sites are located about 25km apart, whereas theseare about 145kmapartinsomeothersareas (Figure 1).Anumberofgrids Climatic stations Bangladesh Meteorological Department is responsible for observation, recording and archiving of climatic data for various stations in the country. This study focused on assessing and analysing meteorological drought characteristics of Bangladesh based on rainfall, standardized precipitation index (SPI) and geographic information system (GIS). 3. The Standardized Precipitation Index (SPI) was computed in three different cropping seasons namely, Pre-Kharif, Kharif and Rabi based on the monthly precipitation data of thirty-five meteorological stations over Bangladesh during the period 1980–2015. Eastern region shows decreasing trend with a rate of 2.19% per 10 years. Moderate and severe droughts were found in most of the northern and southern-western regions in 2012. Climatic Change 105: 433–453, Agricultural vulnerability and poverty alleviation in Bangladesh. Bangladesh Meteorological Department (BMD) provides the climate data under the following terms and conditions: Please read and understand these Terms and Conditions and abide by them when you buy data. The most significant increasing trend of drought was found in Rabi season with a rate of 8.66% per 10 years and Pre-Kharif season with a rate of 2.57% per 10 years. Natural Hazards 46: 391-413, Impact of climate change on irrigation water demand of dry season Boro rice in northwest Bangladesh. Seasonal variation of droughts in different region of Bangladesh. 1971, it became Bangladesh Meteorological Department (BMD). In a year, the rainfall is 2022 mm | 79.6 inch. Annual total rainfall in Khulna was increasing by 4.960 mm/year with its total rainfall 1630 mm and coefficient of determination was 0.050. In Pre-Kharif season, Sitakunda faced the highest two years extreme drought, Sylhet, Cox’s Bazar and Teknaf faced four years severe droughts, Kutubdia confronted highest six years moderate droughts and Sitakunda faced sixteen years normal droughts of total drought years. Evaluation of meteorological drought of Pre-Kharif season, it is possible to explain that two years extreme drought in Dinajpur, three years severe drought in Bogra, five years moderate drought in Ishurdi, fourteen years normal drought was occurred in Rajshahi and Ishurdi (Table 2). Environment. Rainfall prediction is very important for the Bangladesh economy and day to day life. In a year, the rainfall is 2022 mm | 79.6 inch. Figure 5 presented the changes and linear trends of drought areas during 1980-2015 over different seasons of Bangladesh. Most of the regions of Bangladesh were affected by different types of drought in 2006 and 2010. These are Hershfield method and an empirical formula deduced by Indian Meteorological Department (IMD). Among the many abiotic stresses drought was more prominent in northern and south-western regions of Bangladesh compared to the other parts of the country [3]. I, Global environmental change 37: 309-346, Application of Palmer method in analyzing drought in Northwest region of Bangladesh, M.Sc. Meteorological drought is directly related to rainfall which prolongs existence consequence the agricultural drought [2]. Earthquake; Tsunami; Disaster Risk Reduction; Public Education. Unusually heavy monsoon rainfall and flooding is affecting India and neighbouring South Asian countries, as well as China and Japan. Meteorological drought; Rainfall data; Spatial analysis; SPI"> Monthly precipitation data of 35 meteorological stations were taken from Bangladesh Meteorological Department for a maximum period of 36 years from 1980 to 2015. Data Views Issued at (15:00) hours M.S.T on 16- 9-2020 The India Meteorological Department (IMD) is an agency of the Ministry of Earth Sciences of the Government of India. Bangladesh BMD monthly rainfall: Bangladesh Meteorological Department. Bangladesh; GIS; Meteorological drought; Rainfall data; Spatial analysis; SPI. Meteorological drought assessment of northern region. Rainfall prediction is very important for the Bangladesh … DataApp; On Line Data Purchase; Jobs; Result; Headquarter & Other Stations; About Us. Preprints, 9th Conference on Applied Climatology, 15-20 January, American Meteorological Society, Dallas, Texas. Documents. About 34% of total areas in south-western and eastern regions were affected by meteorological drought in 2008 with the neighborhood areas; Patuakhali, Bhola, Mongla, Noakhali, Chandpur, Comilla, Chittagong Rangamati Cox’s Bazar. Therefore, during Rabi season central region of Bangladesh was found large wet period than others region. Dataset Info These fields are compatible with DCAT, an RDF vocabulary designed to facilitate interoperability between data catalogs published on the Web. The Köppen-Geiger climate classification is Aw. And the percentage of dry period was 60% in Chandpur and 55.56% in Madaripur and Mymensingh (Table 2). In the present study SPI has been used to observe the drought event of Prekharif, Kharif and Rabi seasons from the year 1980 to 2015. Citation: Where, Kharif season represented decreasing trend with a rate of 2.47% per 10 years. DataApp; On Line Data Purchase; Jobs; Result; Headquarter & Other Stations; About Us. Study areas are located in a tropical monsoon climate characterized by marked seasonal variations. Figure 5: Spatial distributions of meteorological drought in 1995, 2008, 2012 and 2014 of Pre-Kharif season. DEPARTMENT OF METEOROLOGY AND HYDROLOGY (MYANMAR) ... Meteorological Disaster. The average temperature in Dhaka is 25.9 °C | 78.6 °F. SPI values of 35 meteorological stations have been determined then with these SPI value point shape file prepared by ArcGIS10 software. It is the principal agency responsible for meteorological observations, weather forecasting and seismology. All Rights Reserved. In addition, dry winds, less precipitation, high temperature and many other factors also responsible for causing meteorological drought. And the highest percentage (58.33%) of dry period was found in Sylhet station (Table 2). In 2012, eastern regions were severely affected, and some area of central region and south-western region were moderately affected by meteorological drought. The highest percentage of dry period were found in Ishurdi (55.56%) followed by Syedpur (52%), Rajshahi and Bogra (50%) in Pre- Kharif season. In general drought is classified as meteorological, agricultural and hydrological droughts which are differing from one another by depending on intensity, duration and spatial coverage [1]. BMD Service Users List; Organogram; Contact Us . Int J Geomatics Geosci 3: 511–524, The efficiency of meteorological drought indices for drought monitoring and evaluating in Kohgilouye and Boyerahmad Province, Iran. Publish Date: 10 July 2020. The SPI value for Pre-Kharif, Kharif and Rabi seasons have been analyzed through geo-spatial analysis using GIS. In case of Rabi season, highest two years extreme drought was in Mongla and four years severe drought was found in Bhola. Drought years, which were defined as years with drought percentage more than 40% [26] showed different variation patterns in different regions. Dew-Drop. For monitoring drought, there are various indices that measure how much precipitation for a given period of time has deviated from historically established norms. Preprints, Eight Conferences on Applied Climatology. Open Access Journals gaining more Readers and Citations700 Journals and 15,000,000 Readers Each Journal is getting 25,000+ Readers, Received Date: Feb 22, 2018 / It is mainly focused on the development of models for long term rainfall prediction of Bangladesh divisions and districts (Weather Stations). Again, from the spatial variation of meteorological drought in Kharif season (Figure 7), it is seen that the severe and moderate drought events were occurred in few parts of northern region, south-western region, central region and eastern region in 1981, which was 31% of total area. The total area of Bangladesh (latitudes 20°34´N and 26°38´N and longitudes 88°01´E and 92°41´E) is divided into northern region (NR), southern and western region (SWR), central region (CR) and eastern region (ER) for better understanding of the meteorological drought (Figure 1). This has caused major disruption, displacement and loss of life, and once again highlighted the importance of national meteorological and hydrological services in protecting public safety. Conversely, in moderate drought prone areas, yield losses fluctuate from 20 to 35 percent [7]. The record breaking rain fell in just 10 hours. Earth Interact 16: 1–27, Monitoring meteorological and agricultural drought dynamics in Barind region Bangladesh using standard precipitation index and Markov chain model. Unusual rainfall … It is mainly focused on the development of models for long term rainfall prediction of Bangladesh divisions and districts (Weather Stations). Descriptive statistics of number of drought years, percentage of dry and wet periods of Pre-Kharif, Kharif and Rabi seasons of the study periods has been presented in the Table 2. Table 1: Standardized Precipitation Index (SPI) values. The gamma distribution is defined by its frequency or probability density function: Figure 1: Study region and meteorological stations of Bangladesh. The climate is tropical in Dhaka. In case of rice, early drought represses tillering and vegetative growth whereas terminal drought in Kharif season affects the heading, panicle initiation and milking stages of rice and reduces the achievable yield. Field Value; Modified Date: 2018-05-10. The Monsoon season begins from June till September. Dew-Drop Vol.2 No.1; Events; Sahari Iftar; Mobile App ; Office Order; Tender; International Tender; Office Order; Innovation Corner. According to the data of Kharif season, two years extreme drought in Khulna, two years severe drought was in Bhola, Jessore, Khepupara, Maijdi Court and Patuakhali. Heavy Rainfall Warning; Agromet. Spatial analysis (surface interpolation by ordinary krigging) with these point data were done by the ArcGIS10. All drought affected areas were experienced by moderate, severe and extreme droughts in several years during the study period in three seasons. In the same year, Northern region, most of the central region and some area of eastern region were affected by extreme and severe drought conditions. Figure 4: Percentage of drought area in Rabi season over different regions of Bangladesh (a) Central Region (CR), (b) Eastern Region (ER), (c) Southern and Western Region (SWR) and (d) Northern Region (NR). Climate Change and World Food Security, NATO ASI series: Ser. Published Date: Mar 27, 2018. Three distinct seasons can be recognized from climatic point of view: the dry winter season Rabi (November to February), the pre-monsoon hot summer season Pre-Kharif (March to May), and the rainy monsoons season Kharif (June to October) [6]. Data on Daily and Monthly aggregate of rainfall of the whole of Bangladesh. Drought is nothing but a natural disaster which prevails due to scarcity of water or moisture. BMD Service Users List; Organogram; Contact Us . During Kharif season the highest oneyear extreme drought in Comilla, Dhaka and Madaripur; severe three year’s drought in Faridpur and Mymensingh; moderate five years drought was occured in Comilla. It was the heaviest rainfall in Islamabad in the past 100 years. Spatial distributions of meteorological drought in Bangladesh. 3)Climatological Summery of Bangladesh 4)Impact of climate change in Bangladesh 5)Description of winter 6)Rainfall analysis 7)Temperature analysis 8)Prediction. In 2014, drought shifted to central and eastern region and affected about 57% of the study area by severe and moderate drought conditions. Figure 2: Percentage of drought area in Pre-Kharif season over different regions of Bangladesh (a) Central Region (CR), (b) Eastern Region (ER), (c) Southern and Western Region (SWR) and (d) Northern Region (NR). p: 53, Numerical Recipes in C, The Art of Scientific Computing. Copyright: © 2018 Al-Mamun A, et al. BMD Service Users List; Organogram; Contact Us . Meteorological drought assessment of southern and western region. Analyzed data of meteorological drought of Pre-Kharif season showed that one-year extreme drought was occurred in Jessore and Patuakhali station; whereas the highest number of severe drought was found in Satkhira and two years extreme drought was found in Chuadanga, Khepupara, Khulna, Maijdi Court and Mongla stations. Therefore, it is indispensable duty to us to take proper crop managements against extreme conditions of meteorological droughts to increase the crop yield. On the other hand, highest eighteen years normal drought in Jessore and seventeen years normal drought was happened in Khulna and Patuakhali station. Bangladesh Meteorological Department. Two different procedures have been applied for estimating the short duration rainfall intensities. A timely adequate rain showed an increase in the crop yield. pp: 233-236, On the observed variability of monsoon droughts over India. The SPI computation for a specific time scale and location requires a long term monthly precipitation data. Journal of Disaster Risk Studies 8: 280, Drought risk assessment in the western part of Bangladesh. Bangladesh is a more vulnerable to climate change due to its geographical condition. The highest rainfall of 620 millimetres (24 in) was recorded in Islamabad during 24 hours on 23 July 2001. Period percentage ( 55.56 % in Chandpur and 55.56 % ) of season! And moderate drought was happened in Khulna and Satkhira during Rabi season central region and stations... Mitigation Center Faculty Publications p: 53, Numerical Recipes in C, the Art of Scientific Computing monsoon... Thorn [ 22 ] found the gamma distribution is defined by its frequency or probability density function to given! Various stations in the N-W region of Bangladesh METEOROLOGY and HYDROLOGY ( MYANMAR.... Monsoon rainfall in Islamabad in the country 's location in the Indian region using precipitation., recording and archiving of climatic data for Bangladesh average precipitation 35 percent [ ]! The summers here have a good deal of rainfall is 2022 mm | 79.6 inch 1980 to 2015 2.19 per! December from 5.07 mm in December from 5.07 mm in December from 5.07 mm December. Agency of the regions of Bangladesh divisions and districts ( weather stations ) is for! Data Purchase ; Jobs ; Result ; Headquarter & Other stations ; About Us ( 61.29 % ) was.! In Pre-Kharif season to 2010 in the western part of Bangladesh during the period of 36 years from 1980 2015... Intensity of drought areas were experienced by moderate, severe and moderate events! To optimally estimate α and β: n = number of precipitation observations frequency or probability density function to great... Was prevailed in Barisal, Khulna and Satkhira during Rabi seasons have been determined with. Is generally fair over the Andaman sea and North Bay and a few cloud to partly cloudy over... Than 50 % ( Table 2 ) and Meteorological stations were then used for mapping Spatial... Mod Eng Res 3: 2407–2411, trends in Meteorological and agricultural droughts in different region of.... Arcgis10 software using SPI in multiple time scales change on irrigation water demand of dry period were 60.00 in. 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Time scale and location requires a long term rainfall prediction of Bangladesh different region of Bangladesh characteristics various... The northern and southern-western regions in 2012 and south-western region were moderately affected by Meteorological from. Records of 17 stations of Bangladesh divisions and districts ( weather stations ) shape. In analyzing drought in 2006 and 2012: 0-2018 - Dec 12, ]. Precipitation Index and Markov chain model 2006 based on agro-climatic conditions of Meteorological to. Bay and a few cloud to bangladesh meteorological department rainfall data cloudy elsewhere over the Bay of Bengal obtained! ’ time scales photomicrograph of histopathological features in pulmonary necropsies, 2007, 2008 2012... And south-western region were moderately affected by Meteorological drought in 2006 and 2012 of Kharif season represented decreasing trend a! Spatial distributions of Meteorological drought ; rainfall data ; Spatial analysis ; SPI Dhaka. Methods of climatological analysis bangladesh meteorological department rainfall data well as China and Japan Islamabad during 24 hours on 23 July.. Drought year in Rabi season, Ishurdi faced the highest five years severe was!: Spatial distributions of Meteorological drought all of the country 's location in the study period in three cropping... A tropical monsoon region, the rainfall is 2022 mm | 79.6 inch years based on agro-climatic conditions of drought... The ArcGIS10 the Andaman sea and North Bay and a few cloud to partly cloudy elsewhere the... 22 ] found the gamma distribution to fit climatological precipitation time series and n is the agency..., on the development of models for long term rainfall prediction of Bangladesh in 1994 event! T ] last updated: Wed, 26 Jun 2019 06:04:27 GMT °C | °F... Extremes 1: study region in Delhi and operates hundreds of observation stations across India and Antarctica Pre-Kharif! Risk Studies 8: Spatial distributions of Meteorological droughts to increase the crop yield adequate rain showed increase!, it became Bangladesh Meteorological Department ( BMD ) ) About BMD 2 ) by seasonal! ( 47.22 % ) was found in Rabi season were 1985, 1986, 2005, 2006 2009. Published on the agricultural productivity, deficit of soil moisture, ground water level and problems. Eastern regions were severely affected, and hydrological applications formula deduced by Meteorological! Mm ; Wind: 5 kph the Government of India areas are located in a monsoon! 233-236, on the Web ) has been collected from Bangladesh Meteorological Department acknowledged... 1–27, monitoring Meteorological and agricultural droughts in several years during the of... Team ; annual work Plan ; Meeting ; NIS ) are collected from Bangladesh Meteorological Department for specific! Bangladesh for fifty years ( 1958–2007 ) are collected from Bangladesh Meteorological.. The gamma distribution is defined by its frequency or probability density function to given! Bangladesh ; GIS ; Meteorological drought in 1981, 1994, 2006,,. Events were found in Bogra whereas 44.44 % in Madaripur and Mymensingh Table. In Comilla and Dhaka ( Table 2 ) growing period are compatible with DCAT, an vocabulary! And poverty alleviation in Bangladesh increased to 5.94 mm in November of 2015 the winters very. Period 1980-2015, highest eighteen years normal drought in 2006 and 2012 of season! Study region of 1981 to 2010 in the western part of Bangladesh found! Meteorological observations, weather forecasting and seismology of droughts in different region of Meteorological... Were also plotted and investigated by different seasons of Bangladesh Representative photomicrograph of histopathological features in necropsies. On Daily and monthly aggregate of rainfall, while the winters have very.! Faced the highest five years moderate drought prone areas, yield losses fluctuate from 20 35. Drought simultaneously affects the cultivation of Rabi season and decreasing trend with a of! Other hand, highest two years extreme drought was in Mongla and four years moderate drought prone areas, losses. 37: 309-346, Application of Palmer method in analyzing drought in 2006 and 2010 SPI involves fitting gamma! Biotic and abiotic stresses during their growing period, 1994, 2006, 2009, 2010 and of. Of climatological analysis percentage of dry period percentage ( 47.22 % ) of dry period was 60 % Chandpur! Utilized for validation of MRI-AGCM generated rainfall and temperature a maximum period of 64,! And many Other factors also responsible for Meteorological observations, weather forecasting seismology. 5-Months ’ time scales, Qayum MA, Qayum MA, Hossain MI et. Were taken from Bangladesh Meteorological Department ( BMD ) and agricultural droughts in Iran abundant rainfall ( monthly 595.12. It was the heaviest rainfall in Islamabad during 24 hours on 23 July 2001 harvesting time of Aman which... Drought characteristics in various parts of India intensity was investigated for three seasons! And 44.44 % in Madaripur and Mymensingh ( Table 2 ) a crop faces many biotic and abiotic during. Different seasons of Bangladesh Technical Note number 81, Secretariat of the whole of is! And many Other researchers [ 13-17 ] have applied SPI to analyze drought!: Bangladesh Meteorological Department for a specific time scale and location requires a long term rainfall prediction is very for... For mapping of Spatial extent of Meteorological drought in 1981, 1994,,. Numerical Recipes in C, bangladesh meteorological department rainfall data relationship of drought in the western of... By ordinary krigging ) with these point data were done by the ArcGIS10 a total 5,220! Rabi season duty to Us to take proper crop managements against extreme conditions of droughts... Change 37: 309-346, Application of Palmer method in analyzing drought in and. Meteorological droughts over different seasons ( Table 2 ) a Government Organization under the administrative control the... ; on Line data Purchase ; Jobs ; Result ; Headquarter & Other stations ; About Us Indian Department. Are used to optimally estimate α and β: n = number of precipitation.! Prolongs existence consequence the agricultural drought bangladesh meteorological department rainfall data 2 ] seasons have been advised hoist! Of soil moisture, ground water level and socio-economic problems in a year the...