Daily Rainfall Data 1007. J Earth Sci Clim Change 9: 457. **Maritime Ports have been advised to hoist Local Cautionary Signal No. p: 53, Numerical Recipes in C, The Art of Scientific Computing. Data and Resources. The temporal and spatial variation of meteorological drought in the study area has been identified using SPI in multiple time scales. 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. Heavy Rainfall Warning; Agromet. Meteorological drought assessment of southern and western region. Most of the regions of Bangladesh were affected by different types of drought in 2006 and 2010. Table 1: Standardized Precipitation Index (SPI) values. Natural Hazards 46: 391–413, The relationship of drought frequency and duration to time scales. Climatic stations Bangladesh Meteorological Department is responsible for observation, recording and archiving of climatic data for various stations in the country. 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 most common first order two states Markov Chain Model [24] was used to assess the dry and wet periods of all studied stations. 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. Preprints, Eight Conferences on Applied Climatology. 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). Accepted Date: Mar 23, 2018 / Highest percentage (61.29%) of dry period was found in Kutubdia (Table 2). 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). And highest drought year in Rabi season were 1985, 1986, 2005, 2006, 2009, 2010 and 2012. Conversely, in moderate drought prone areas, yield losses fluctuate from 20 to 35 percent [7]. Some of the broadly used drought indices include Palmer Drought Severity Index (PDSI), Surface Water Supply Index (SWSI), Standardized Precipitation Index (SPI), Reclamation Drought Index (RDI) and Crop Moisture Index (CMI). 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