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Wednesday, May 25, 2016

Weekly Hydro-meteorological Report, 25, May 2016


Highlights:


After heavy rains throughout the previous week, rainfall was gradually decreasing in this week. Highest rainfall up to 90 mm was recorded in Negombo and near Kurunegala town. According to the NOAA, further heavy rainfall is expected in the next week with 125 mm total rainfall is expected in south western region of the country. This shall go further up in the following week. MJO is in phase 5 and shall not have a significant impact on rainfall.
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Tuesday, May 24, 2016

NASA sees two tropical cyclones competing in the Indian Ocean


NASA's Terra satellite captured this visible image of Tropical Cyclone Jamala in the southern Indian Ocean (bottom) and the much larger Tropical Cyclone One B (01B) in the Northern Indian Ocean on May 10 at 04:25 UTC (12:25 a.m. EDT). Credit: NASA Goddard MODIS Rapid Response Team


The Indian Ocean is alive with tropical activity today, May 10, as there's a tropical storm in both the northern and southern oceans. Tropical Cyclone Jamala (formerly 24S) and newborn Tropical Cyclone 01B were both captured on one image from NASA's Terra satellite today.

Weekly Hydro-meteorological Report, 19, May 2016


Highlights:


Most of the regions received high rainfall during 11th – 17th May while up to 200mm highest rainfall was seen in Colombo, Gampaha, Kalutara northern region of Anuradhapura on 15th May. Extreme rainfall conditions were seen in the entire country during the previous week. The rainfall is expected to decrease in the next week with heavy rainfall in south western region of the country. MJO phase is in 3 and shall slightly enhance rainfall.
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Thursday, May 12, 2016

Weekly Hydro-meteorological Report, 12, May 2016


Highlights:


Increased rainfall conditions were observed in the last week compared to the previous week. The entire country received rainfall during 3rd-9th May while up to 60mm high rainfall was seen in Mullaitivu, Vavuniya, northern region of Anuradhapura and south eastern sea region on 6th May. Both NCEP GFS and IRI CFS models predict heavy rainfall in the following two weeks with the entire country expected to receive more than 135 mm rainfall. MJO phase is in 3 and shall slightly enhance rainfall.
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Thursday, May 5, 2016

Weekly Hydro-meteorological Report, 5, May 2016


Highlights:


Up to 40 mm high rainfall was received by Colombo, Gampaha, Kegalle, Kurunrgala and Anuradhapura districts during the previous week. Galle and Matara districts also received up to 30 mm rainfall and apart from that more than 10 mm rainfall was not seen in the country. In April 2016 the entire country received below average rainfall except for Colombo, Gampaha and Ratnapura districts. The rainfall is expected to increase in the next two weeks. The high temperature shall continue in the country as the probability of having above average temperature remains high.
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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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