"The southwest monsoon onset remains stalled over northern Sri Lanka, but conditions look favorable for the monsoon to reach Kerala around June 3," AccuWeather Senior Meteorologist and Lead . The rainfall patterns influenced by the monsoon winds of the Indian ocean and Bay of Bangel and rainy seasons have been divided into two main seasons as Southwest and Northeast and into two inter monsoons as first inter-monsoon and second inter . What is the weather like in Sri Lanka in December? Charles Griffin, London, Latif M, Syed FS, Hannachi A (2015) Rainfall trends in the south Asian summer monsoon and its related large-scale dynamics with focus over Pakistan. Wind speeds can pick up to a healthy 50-60 km/hr over the island and even 70 km/hr at times along the western slope of the Central hills, Northern, North-Central and North-Western provinces and in Trincomalee and Hambantota, the Lankan Met said. The people who were living along the river banks were warned to be evacuated following the rise of river water levels in the entire country. Heavy falls in Sri Lanka. [17] After the end of the monsoon period, few parts of the country including commercial capital Colombo received torrential rains.[18]. The spatial distribution of a the meteorological stations over Sri Lanka (blue triangles) and b monthly mean southwest monsoon rainfall climatology (mm/month) for the 1980-2013 periods. The influence of the . Singapore rescues 300 suspected migrants from sinking boat, Inquiry on filling stations that did not sell fuel, Heavy showers over 100 mm in several areas, India wants Sri Lanka to be more humane towards its fishermen. Where is the southwest monsoon current? J Atmos Solar-Terr Phys 227:110. https://doi.org/10.1016/j.jastp.2021.105810, Singh A, Kulkarni MA, Mohanty UC, Kar SC, Robertson AW, Mishra G (2012) Prediction of Indian summer monsoon rainfall (ISMR) using canonical correlation analysis of global circulation model products. You have entered an incorrect email address! Model Earth Syst Environ 5:13771394. The main southwest ("Yala") monsoon brings rain to the west and southwest coasts and the hill country from April or May to September and is wettest from April to June. South-West monsoon enters next-door Sri Lanka May 25, 2021 . Is it safe to visit Sri Lanka in 2021? https://doi.org/10.1175/jcli-d-16-0156.1, Prasanna V, Yasunari T (2008) Interannual variability of atmospheric water balance over South Peninsular India and Sri Lanka during northeast monsoon season. Geophys Res Lett. The normal date of onset over Sri Lanka is May 22, and it would be interesting to see whether the slight lag gets transmitted to the crucial leg next. https://doi.org/10.1002/joc.5390, Yadav RK, Roxy MK (2019) On the relationship between north India summer monsoon rainfall and east equatorial Indian Ocean warming. Are you interested in advertising on our website or video channel Please contact us at [emailprotected]. [44], The Sri Lanka Navy deployed 38 officials to help the affected people due to flash floods. Planning a Honeymoon During Southwest Monsoon Season. monsoon climate, both as a large and local scale, on the agricultural land use of Sri Lanka, mainly on crop cultiva-tion. Clim Dyn 45:337351. 8, 41654175 (2022). The Climate of Sri Lanka is dominated by the above mentioned topographical features of the country and the Southwest and Northeast monsoons regional scale wind regimes. [1][2][3][4][5] The death casualties were reported from 22 May onwards in the provinces including South, Northwest, North and East. [19], Gampaha was one of the worst affected areas with having about 42, 973 people affected and 33, 832 had been sheltered in the area. [47], Australia, UN - Australian government jointly with the UNICEF promised to raise funds as compensation during the monsoon period in Sri Lanka by signing a 3-year deal between 2018 and 2020 with the Sri Lankan government for AUD 750, 000. Global Planet Change 179:2332. https://doi.org/10.1175/jcli3670.1, Zubair L, Siriwardhana M, Chandimala J, Yahiya Z (2008) Predictability of Sri Lankan rainfall based on ENSO. Adv Meteorol 2018:4217917. https://doi.org/10.1155/2018/4217917, Oueslati B, Yiou P, Jzquel A (2019) Revisiting the dynamic and thermodynamic processes driving the record-breaking January 2014 precipitation in the southern UK. Disclosure of potential conflicts of interest. The monsoon has now reached Sri Lanka, and . https://doi.org/10.1016/j.atmosres.2012.10.010, Fasullo J, Webster PJ (2003) a hydrological definition of indian monsoon onset and withdrawal. 1. KOCHI: With the southwest monsoon further advancing into the Maldives-Comorin area and entering Sri Lanka, pre-monsoon showers are likely to pick up pace.According to India meteorological . After a six-day pause, the south-west monsoon has started lingering towards Kerala, having covered southern Sri Lanka on Thursday, the weather office said. Some areas reportedly received 12 months worth of rain within just 24 hours on Thursday, May 25 and Friday, May 26, 2017. Sri Lanka has no marked seasons. https://doi.org/10.1002/joc.1394, Joseph P, Simon A (2005) Weakening trend of the southwest monsoon current through peninsular India from 1950 to the present. J Clim 24:49074924. May is generally considered as the wettest month of the year. The water levels of both Kelani river and Kalu river were assumed to be rising due to the heavy rain and leaving the Kaduwela-Biyagama bridge to submerge. We use cookies to ensure that we give you the best experience on our website. Ocean, the cold dry wind picks up some moisture from the Bay of Bengal and pours it over peninsular India and parts of Sri Lanka. According to the National Department of Meteorology, an estimated 35,000 to 50,000 families may be displaced, based on analysis of . Atmos Res 122:136149. Clim Dyn 42:24392454. Distribution and Abundance of the Blue Whale (Balaenoptera musculus indica) off Sri Lanka during the Southwest Monsoon 2018. https://doi.org/10.1175/2011jcli4171.1, Turner AG, Annamalai H (2012) Climate change and the South Asian summer monsoon Nature. https://doi.org/10.1002/met.1333, Sinha N et al (2019) Isotopic investigation of the moisture transport processes over the Bay of Bengal. Int J Climatol 31:19271942. We are thankful to the Meteorological Department, Sri Lanka, for providingmeteorological data set. Surface winds will vary between southwest/westerly at 27 km/hr and may increase to 72-89 km/hr during . 45. [36] 14 people including 11 children were killed due to pneumonia with about 400 patients being treated at hospitals in the South. The monsoon fuels the growth of summer grasses, which can make or break southwestern ranchers struggling to eke out a living in harsh desert lands. Sri Lanka was the second worst hit, and still bears scars from that fateful day. The monsoon rainfall variation and distribution have an impact on economical, ecological and sociological aspects of Sri Lanka. https://doi.org/10.1016/S0031-0182(03)00383-3, Ratna SB, Sikka DR, Dalvi M, Venkata Ratnam J (2011) Dynamical simulation of Indian summer monsoon circulation, rainfall and its interannual variability using a high resolution atmospheric general circulation model. Int J Climatol 28:19972009. Shelton, S., Pushpawela, B. South West Monsoon- May to August; North East . Author(s): Sherly Shelton. Communications 6:7423. https://doi.org/10.1038/ncomms8423, Rubasinghe R, Gunatilake SK, Chandrajith R (2015) Geochemical characteristics of groundwater in different climatic zones of Sri Lanka. Aawar T, Khare D, Singh L (2019) Identification of the trend in precipitation and temperature over the Kabul river sub-basin: a case study of Afghanistan. https://doi.org/10.1002/joc.1514. Water 11:24852506. First Inter-monsoon [March & April] 2. Conditions are favourable for further advance of Southwest Monsoon over some more parts of the South Arabian Sea, entire Maldives and adjoining areas of Lakshadweep and some more parts of Comorin area during the next 48 hours, the India Meteorological Department (IMD) said on Thursday afternoon. The areas that usually receive the heaviest rain are the south and west of the country, including Kalutara, Ratnapura, and Colombo. Sri Lanka's climate includes tropical monsoons: the northeast monsoon (December to March), and the southwest monsoon (June to October). https://doi.org/10.1029/2008JD011288, Naveendrakumar G, Vithanage M, Kwon H-H, Iqbal MCM, Pathmarajah S, Obeysekera J (2018) Five decadal trends in averages and extremes of rainfall and temperature in Sri Lanka. After a six-day pause, the southwest monsoon has started lingering towards Kerala, having covered southern Sri Lanka on Thursday, the weather office said. Environ Earth Sci 74:30673076. The author reported no potential conflict of interest. "Conditions are favorable for further advance of Southwest Monsoon over some more parts of South Arabian Sea, the entire Maldives and adjoining areas of Lakshadweep and some more parts of Comorin area during next 48 hours," the India . The summer monsoon brings a humid climate and torrential rainfall to these areas. Best Time to Visit the West Coast of Sri Lanka - Colombo, Bentota and Negombo. Southwest summers can be especially harsh in years when the monsoon falters, leaving shriveled plants and baked soil in its wake. As of 26 May 2018; the monsoon floods affected in about 19 districts, killed at least 21 people, about 150, 000 people were affected and further left approximately 23 people missing. Int J Climatol 28:91101. Keyword(s): Sri Lanka . Southwest monsoon (SWM) is one of the major monsoon systems that brings significant rainfall over western and southwestern parts of Sri Lanka. J Hydrol 259:254271. The Lankan Met forecast showers or thundershowers across the Western, Sabaragamuwa, Central, and North-Western provinces and in Galle and Matara in the island nation on Tuesday. This research did not receive any specific grant from funding agencies in the public, commercial, or not-for-profit sectors. Model Earth Syst Environ. The Southwest Monsoon is expected to arrive over Sri Lanka in mid to late May 2020. [8][9] The DMC report claimed about 400, 000 people have been displaced to safer locations. Surface winds will vary between southwest/westerly at 27 km/hr and may increase to 72-89 km/hr during showers. The less severe northeast ("Maha") monsoon hits the east coast from November to March and is wettest from November to December. Heavy showers of about 100 mm can occur at some places in Western and Sabaragamuwa provinces and Kandy, Nuwara-Eliya, Galle, and Matara districts. The reader is left to define this term. 45 Average monthly rainfall in Sri Lanka . Rains or thundershowers will occur at times in Western, Sabaragamuwa, Central and North-Western provinces and in Galle and Matara districts. The monsoon has now reached Sri Lanka, and its next stop is Kerala. Theor Appl Climatol 125:427438. As a results, the weakening of the SST gradients between AB and BB can deteriorate the monsoon circulation untimely, which weakens SWM over Sri Lanka. International Center for Climate and Environment Sciences, Institute of Atmospheric Physics, Chinese Academy of Sciences, P.O. https://doi.org/10.1007/bf02973195, Rayner NA et al (2003) Global analyses of sea surface temperature, sea ice, and night marine air temperature since the late nineteenth century. Sri Lanka is affected by two monsoons, each hitting a side of the island at different times. In December, the Northeastern monsoon brings wet and stormy weather to the island's northeastern half.In December, Colombo experiences highs of around 88F and lows of 75F, with a few days of rain during the month.Temperatures in Kandy are slightly cooler, with highs around 82F. But Reuters reports that recent rainfall has been unusually heavy, even for this rainy period. Therefore, this study investigates the SWM rainfall trend for 19802013 using monthly rainfall data from 19 meteorological stations and an associated mechanism by analyzing moisture transport and related atmospheric variables. A special feature is that the hot and humid lowlands and the salubrious hill country are separated by a few hours motoring. Earth Sci 8:306324. The highest point is Pidurutalagala at 2,524 m (8,281 ft). This is consistent with previous studies that reported a dominant biweekly mode during the South Asian summer monsoon (Goswami and Mohan, 2001; Annamalai and Slingo, 2001). Adv Atmos Sci 32:839854. Modeling Earth Systems and Environment Meteorol Appl 19:179188. Its average annual temperature varies from 27.0 C (81 F) in the coastal lowlands to 16 C (60.8 F) in the central highlands. About Us Climate 2:242. https://doi.org/10.3390/cli2040242, Chung CE, Ramanathan V (2006) Weakening of north Indian SST gradients and the monsoon rainfall in India and the Sahel. South-west monsoon condition is establishing in Sri Lanka, Nirithadiga Mosam Wesi Southwest monsoon weather establish in Sri Lanka, 400 arrested over May 9th unrest in Sri Lanka, HRCSL appointed special Rapporteur to investigate May 9 unrest, Sydney court rejects bail for Danushka Gunathilaka, Indian High Commissions Defence Adviser Meets Jaffna Commander. The southwest monsoon arrives in the South, West and the Hill Country from April or May until September, when days can get very humid with short, heavy rainstorms. A low pressure area is likely to form over southwest Bay of Bengal off Sri Lanka coast around November 9, said India Meteorological Department (IMD) on Friday. Part of Springer Nature. I am planning my honeymoon in Sri Lanka from May 1 to May 15, 2022. 31 May, 2015, 05.44 AM IST. 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