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Thursday, April 28, 2016

Weekly Hydro-meteorological Report, 28, April 2016


Highlights:


Rainfall was received only in south western and north central regions of the country on 20th and 21st April but there was no rainfall during 22nd -26th. Highest rainfall of 90 mm was seen near Hanwella and surrounding regions on 21st April. NOAA NCEP models predict up to 65 mm rainfall in south western region of the country during 27th– 26th April. MJO is weak so there shall be no effect on rainfall by the MJO.
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Thursday, April 21, 2016

Weekly Hydro-meteorological Report, 21, April 2016


Highlights:


Rainfall received in central, southern, western and south western regions of the country during 13th-19th April. Highest rainfall of 70 mm was seen in Moratuwa and near Kurunegala town on 19th April and very less rainfall received in northern and eastern regions of the country during the previous week. NOAA NCEP models predict up to 45 mm total rainfall in south western region of the country while IRI CFS model predicts up to 50 mm total rainfall around Badulla during 20th– 26th April. MJO is weak so there shall be no effect on rainfall by the MJO.
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Thursday, April 14, 2016

Weekly Hydro-meteorological Report, 14, April 2016


Highlights:


Up to 100 mm heavy rainfall was seen in most of south western, western, north western and southern regions of the country during the previous week. Very less rainfall was seen in western districts of the country and the Jaffna Peninsula. NOAA NCEP and WRF models predict a continuation in heavy rainfall in the south western region. MJO is weak so there shall be no effect on rainfall by the MJO. El NiƱo condition is weakening and neutral conditions are expected by June, July which shall enhance rainfall marginally.
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Thursday, April 7, 2016

Weekly Hydro-meteorological Report, 07, April 2016


Highlights:


East, south, west, central and south west regions of the country received rainfall during 30th March- 5th April. Highest rainfall of 90 mm was observed around Ratnapura and Balangoda on 30th March and 3rd April while central regions of Kegalle and Kurunegala and Haputale received rainfall up to 60 mm on these days. NOAA NCEP model predicts up to 25 mm total rainfall in south western regions of the country during 6th –12th April and around central, western and south western regions during 13th- 19th April. MJO is in phase 3 and shall slightly enhance rainfall in Sri Lanka.
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Thursday, March 31, 2016

Weekly Hydro-meteorological Report, 31, March 2016


Highlights:


Dry weather conditions continued in the entire country during 23rd – 26th March and thereafter north east, east and central regions of the country received rainfall during 27th – 29th March. Highest rainfall of 70 mm was observed around Katugastota and central region of Monaragala while Elahara and Polonnaruwa regions received rainfall up to 60 mm on this day. NOAA NCEP model predict no rainfall in the entire country during next two weeks whereas IRI CFS models predict up to 100 mm total precipitation around Nuwara Eliya and Badulla during 30th March- 4th April. MJO is in phase 8 and shall significantly suppress rainfall in Sri Lanka.
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Thursday, March 24, 2016

Weekly Hydro-meteorological Report, 24, March 2016


Highlights:


Dry weather conditions continued in the entire country during the week 16th – 22nd March where only central region of the country received rainfall on 16th March. Highest rainfall of 60 mm was observed around Aranayake while southern region of Kandy and north western region of Nuwara Eliya received rainfall up to 40 mm on this day. NOAA NCEP model predict slight amounts of rainfall in western, central, eastern and southern regions of the country during next week and the dry weather conditions are expected to be continued. MJO is in phase 5 and shall not have a significant impact on the rainfall in Sri Lanka.
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