Highlights • Moderate rainfall is predicted for Jaffna, Ratnapura, Galle and Matara districts;The rest of the country is expected to have less rainfall during 15th - 19th July. • During the last week, the average daily rainfall over Sri Lanka was 0.6 mm and hydro catchment areas have received 5.8 mm on average. • From 4th - 10th July, ...
Highlights • Fairly heavy rainfall is predicted for the Southern province and moderately heavy rainfall is predicted for the rest of the country during 12th - 18th January. The seasonal forecast shows a higher tendency for above-normal precipitation from January - March, 2023. • During the last week, maximum daily rainfall over Sri Lanka was 80.0 mm and hydro ...
Highlights: The WRF model predicts up to 36 mm of rainfall in Western regions of the country on 7th and 8th of July. Between 27 Jun 3 Jul: Rainfall up to 50 mm was recorded in Kegalla district on the 27th. From 25 Jun- 1 Jul: minimum temperature of 15 OC was recorded from Nuwara Eliya district while Northern and ...
Highlights: Dry weather conditions continued throughout the country during the week 3rd – 9th February where only ocean around Kalutara received rainfall up to 80 mm on 7th February. Western region of Kalutara received rainfall up to 70 mm and few regions in Colombo, Ratnapura and Galle received rainfall in the same day. NOAA NCEP model predict rainfall in ...
Highlights: The IRI weekly rainfall forecast predicts total rainfall between 100-150 mm in Northeastern coastal area during 1–6 Nov. Between 24-30 Oct: Rainfall up to 90 mm was recorded in various parts of the island. From 22-28 Oct: minimum temperature of 15 OC was recorded from Nuwara Eliya district while most parts of the island recorded a maximum temperature between ...
Highlights • Showers of 35 mm expected in Eastern province during 1st - 7th March. A drop in rainfall over the rest of the country. • Heavy rainfall was experienced in Northern and; Eastern provinces. Up to 81 mm max in Batticaloa on 18thFeb.• From 16th - 22nd Feb: up to 5 km/h Northeasterly winds were experienced around along ...
Highlights: Southern region and the ocean near southern province mostly received rainfall up to 10-50 mm during 14th July – 20th July 2015. Rainfall up to 20-30 mm observed in the ocean near Southern and south western regions on 15th, 16th, 17 and 18th July. Rainfall up to 30 mm observed in Kegalle and Nuwara-Eliya on 19th July and ...
Highlights: The IRI rainfall forecast predicts total rainfall up to 100 mm in Colombo and Kalutara districts during 15th - 20th August. Between 8 – 14 Aug: up to 50 mm of rainfall was recorded in Ratnapura, Kegalla and Colombo districts on the 8th. From 5 - 11 Aug: minimum temperature of 20 OC was recorded from Nuwara Eliya district ...
Highlights • The NCEP GFS weekly rainfall forecast predicts up to 75 mm of total rainfall in southwestern regions of the island during 14- 19 May.• Between 7 - 12 May: up to 180 mm of rainfall was recorded in Anuradhapura district on the 7th.• From 6 - 12 May: up to 18 km/h, southeasterly winds were experienced by ...
Highlights • Heavy rainfall above 100 mm is expected in Sabaragamuwa, Western and Southern provinces during 3rd - 7th June with the risk of floods and landslides continues for these provinces and adjacent areas. • Last week, floods affected twelve thousands with one fatality - O/L exams was scheduled in the peak stormy months with problems in the SW that ...
Highlights • Heavy rainfall (≥ 105 mm) is predicted for the Southern, Sabaragamuwa, Western, Uva, Central, North Western provinces during 26 Oct - 1 Nov. Heavy rainfall (≥ 125 mm) is predicted for the country during 2 - 8 Nov. • During the last week, average daily rainfall over Sri Lanka was 13.5 mm and hydro catchment was 15.7 ...
Highlights • Dry weather conditions are predicted for next week while high likelihood of scattered showers (≤ 5mm) may occur from 13 - 19 March • On average, 1/6 of the predicted rainfall was received over the country during 12 Feb - 13 Mar. Rainfall on 8 March was highest (115 mm) at Keragala (SP). • Winds at 850mb ...
Highlights: High amounts of rainfall was observed in the previous week in the northern region of the country. The rest of the country received mostly light rainfall in the previous week with some exceptions where heavy rainfall was observed. Many rainfall prediction models predict heavy rainfall in western, south western and southern regions of the country as well as ...
Highlights: The IRI weekly rainfall forecast predicts up to 75 mm of total rainfall in Badulla and Nuwara Eliya during 10 – 15 Apr. Between 3 – 9 Apr: up to 30 mm of rainfalls were recorded in Gampaha districts on the 3rd. From 2 – 8 Apr: up to 10 km/h, easterly winds were experienced by ...
Highlights: The NCEP weekly rainfall forecast predicts total rainfall between 85-95 mm in Trincomalee, Batticaloa and Ampara districts during 22–28th Nov. Between 8-14 Nov: Rainfall up to 50 mm was recorded in Jaffna district on November 8th. From 5-11 Nov: minimum temperature of 15 OC was recorded from Nuwara Eliya district while most parts of the island recorded a maximum ...
Highlights • The NOAA weekly rainfall forecast predicts Between 17th-23rd Dec; up to 140 mm rainfall will be experienced by the Northern province• Between 10th - 16th Dec: up to 100 mm in Jaffna district on 15th Dec. • MJO shall significantly suppress the rainfall during 16th – 30th over Sri Lanka.• From 9th - 15th Dec: up to ...
Highlights • The NOAA weekly rainfall forecast predicts up to 50 mm of total rainfall in central and western regions of the island during 8 - 13 Apr.• Between 1 - 6 Apr: up to 120 mm of rainfalls were recorded in Puttalam and Kurunegala districts on the 4th.• From 31 Mar - 6 Apr: up to 18 km/h, ...
Highlights • Heavy rainfall (≥ 115 mm) is predicted for the Sabaragamuwa, Southern, Western provinces and fairly heavy rainfall (≥ 65 mm) is predicted for the Uva, Central, North Western, Eastern provinces during 14 - 20 Sep. • During the last week, average daily rainfall over Sri Lanka was 14.1 mm and hydro catchment areas received 7.6 mm. Highest ...
Highlights • High probability of heavy rainfall (100 - 130 mm) is predicted for Sabaragamuwa, Uva, Western provinces and fairly heavy rainfall is predicted for Southern, Central provinces during 16 - 22 Nov. • During the last week, average daily rainfall over Sri Lanka was 16.7 mm and hydro catchment was 16.6 mm. Extreme rainfall (≥ 150 mm/day) was ...
Highlights: The WRF model predicts total rainfall between 115-125 mm in Kegalle district from 31st May to 6th June. Between 24-30 May: Rainfall more than 240 mm was recorded in Ratnapura, Galle and Matara districts on the 24th and also on the 25th in Ratnapura district. From 21-27 May: minimum temperature of 15 OC was recorded from Nuwara Eliya district ...