Phone:(+94)81-2376746,4922992   E-mail:climate@sltnet.lk     Website: http://www.climate.lk

Friday, December 2, 2016

Weekly Hydro-meteorological Report, 1, December 2016


Highlights:

  •  The IMD WRF model predicts heavy rainfall (up to 125 mm) on 2nd December in the northern sea adjacent to the island.  
  •  A Significant decrease in rainfall events was experienced throughout the island during 23–28 November, with the highest recorded rainfall of 60 mm on the 23rd in Mannampitiya region.
  •  From 20-26 November, Minimum temperature of 15 OC was recorded from Nuwara Eliya district while most parts of the island recorded a maximum temperature between 30-35 OC.
  •  From 22-28 November, up to 18 km/h north easterly winds were experienced in the northern and southern regions of the country while the central regions received up to 22 km/h wind in the same direction.

Download Full Report

Friday, November 25, 2016

Weekly Hydro-meteorological Report, 24, November 2016


Highlights:


The NOAA NCEP model predicts heavy rainfall (up to 125 mm) from 23rd– 29th November for the coastal regions of Colombo. Heavy rainfall events were experienced throughout the island during 16–22 November, with the highest recorded rainfall of 140 mm on the 22nd in Hanwella and Giriulla. Minimum temperature of 15 OC was recorded from Nuwara Eliya district while most parts of the island recorded a maximum temperature between 30-35 OC. Up to 20 km/h north easterly winds were experienced by the entire country.
Download Full Report

Friday, November 18, 2016

Weekly Hydro-meteorological Report, 17, November 2016


Highlights: South western regions of the country experienced heavy rainfall during the latter part of previous week from 9th–15th November. The highest rainfall of 100 mm for the period was recorded in Imaduwa region on 14th. Minimum temperature of 15 OC was recorded from Nuwara Eliya district while most parts of the island recorded a maximum temperature between 30-35 OC .Up to 20 km/h north easterly winds were recorded in the southern region of the country. For the period after the 16th, November the NOAA NCEP model predicts up to 135 mm of rainfall for Sri Lanka outside the South with highest values in the North, East, North-Central regions.
 
Download Full Report

Wednesday, November 16, 2016

Weekly Hydro-meteorological Report, 10, November 2016


Highlights: Wet weather conditions prevailed in many parts of the country during the previous week from 2rd-7th November. The highest rainfall of 90 mm for the period was recorded in adjacent south eastern sea on 3rd. Minimum temperature of 15 OC was recorded from Nuwara Eliya district while most parts of the island recorded a maximum temperature between 30-35 OC Up to 20 km/h north westerly winds were recorded in the southern region of the country. For the period from 2nd– 8th November the NOAA NCEP model predicts up to 85 mm of rainfall for Colombo and adjacent sea regions.
 
Download Full Report

Thursday, November 3, 2016

Weekly Hydro-meteorological Report, 3, November 2016


Highlights: Heavy rainfalls were observed throughout the country during the latter part of the previous week from 26th October -1st November. The highest rainfall of 160mm for the period was recorded in Galle and Matara on 30th. Minimum temperature of 15 OC was recorded from Nuwara Eliya district while the maximum temperature between 35-40 OCwas recorded from Trincomalee. Up to 20km/h north westerly winds were recorded in the Southern province. For the period from 2nd– 8th November the NOAA NCEP model predicts up to 85mm of rainfall for Colombo and adjacent sea regions. Up to 18km/h north westerly wind is expected in the whole country.
 
Download Full Report

Thursday, October 27, 2016

Weekly Hydro-meteorological Report, 27, October 2016


Highlights: Wet weather conditions prevailed in many parts of the country during 19th-25th October, with the highest recorded rainfall of 90mm in Kegalle on 24th. Minimum temperature of 15 OC was recorded from Nuwara Eliya district while the maximum temperature between 35-40 OC was recorded from Vavuniya, Mannar and Anuradhapura districts. Up to 30km/h north westerly winds were recorded in the southern half of the country. For the period from 26th October – 1st November the NOAA NCEP model predicts up to 55mm of rainfall for Colombo, Ratnapura, Galle and Matara regions. Up to 15km/h westerly wind is expected in the southern regions of the country.
 
Download Full Report

Thursday, October 20, 2016

Weekly Hydro-meteorological Report, 20, October 2016


Highlights: A significant increase in the rainfall events was observed during the previous week from 13th - 18th October compared to the previous week. The highest rainfall of 140 mm for the period was recorded in Kirinda area on 17th. The minimum temperature of 20OC was recorded from Nuwara Eliya district while the maximum temperature was recorded from the northern eastern and south eastern coastal areas to be between 35-40 OC. Up to 30 km/h north westerly winds were recorded in the southern regions of the country. For the period from 19th - 25th October the NOAA NCEP model predicts up to 45 mm rainfall for Galle and Matara districts. Up to 30 km/h north westerly wind is expected in the southern half of the country.
 
Download Full Report