Highlights • The NOAA weekly rainfall forecast predicts Between 11th-17th Nov: very high rainfall over the Eastern and Southern Provinces the drop in rainfall over the rest of the country. • Between 3rd - 9th Nov: up to 240 mm in Ratnapura and Moneragala districts on 9th Nov. • MJO shall slightly enhance the rainfall during 10th – 14th ...
Highlights • The NOAA weekly rainfall forecast predicts up to 75 mm in Ratnapura, Colombo, Gampaha and Kegalle districts during 8th -14thOct • Between 24th- 30th Sep up to 180 mm received in Badulla and Moneragala districts• From 2nd - 8th Oct: North westerly winds up to 10 km/h were experienced in the southern half of the island• 0.5 ...
Highlights: Up to 30 mm rainfall was observed in southern and western regions of the country during the time period 15th-21st September. Southern region of the country received heavy rainfall on 18th September up to 80 mm. Every prediction model predict high rainfall in eastern and south western regions during the next week. Download Full ReportSummaryMonitoringWeekly Monitoring: During 15th ...
Highlights: The IRI weekly rainfall forecast predicts heavy rainfall in Northeastern coastal areas during 8th -13th Nov. Between 1-7 Nov: Rainfall up to 80 mm was recorded in Kilinochchi district on November 3rd. From 29 Oct- 4 Nov: minimum temperature of 15 OC was recorded from Nuwara Eliya district while most parts of the island recorded a maximum temperature between ...
Highlights • The NOAA weekly rainfall forecast predicts up to 75 mm in Jaffna district during 23th - 29th September • Between 16th- 22th September: up to 50 mm in Nuwara Eliya district 18th Septmenber.• From 25th September -2th October: up to 10 km/h, North westerly winds were experienced by the southern half of the island.• 1 0C above ...
Highlights • The NOAA weekly rainfall forecast predicts up to 95 mm in Gampaha and Kegalle districts during 15th -21st Oct • Between 31st Sep- 6th Oct up to 40 mm received in Kilinochchi, Mullaitivu and Jaffna districts• From 30th Sep - 6th Oct: North westerly winds up to 10 km/h were experienced in the southern half of the ...
Highlights • High likelihood of moderate rainfall (25 - 50mm) is predicted for Western, Sabaragamuwa and Central provinces and less rainfall (< 20 mm) is predicted for the rest during 24 April - 1 May. • On average, only 3/5 of expected rainfall was received over the Sri Lanka during 25 Mar - 23 April. Average rainfall for SL was ...
Highlights • Fairly heavy rainfall is predicted for Central, Northern, Sabaragamuwa and Western provinces and Galle and Matara districts during 3rd - 7th September. • Fairly heavy rains were experienced in the Southern, Central, Sabaragamuwa & Western provinces with max of 86 mm in Matara district on 1st September. • From 24th- 30th August: up to 15 m/s from Southwesterly ...
Highlights • NCEP GFS prediction for 11thonwards, the heaviest rainfall in Ratnapura, Galle &Kalutara districts is hazardous. Heavy rainfall above 100mm is expected in Sabaragamuwa Wester, Southern & Central provinces. • During the last week, average daily rainfall over Sri Lanka was 4.4 mm and hydro catchment areas have received 9.4 mm on average. • From 2nd - 8th ...
Highlights • High likelihood of very heavy rainfall (> 100 mm) is predicted for Eastern province, fairly heavy rainfall (50 - 100 mm) is predicted for Uva, Central provinces and less rainfall (≤ 35 mm) is predicted for the rest during 31 Jan - 6 Feb. • Rainfall on 28 reached peak (86.5 mm) at Kurundu Oya (CP). During ...
Highlights • Fairly heavy rainfall is predicted for the Southern, Sabaragamuwa, and Western provinces and less rainfall is expected for rest of the country during the 6 th Apr - 12th Apr. • During the last week, average daily rainfall over Sri Lanka was 5.0 mm and hydro catchment areas received 10.3 mm. • From 28th - 3rd Apr, ...
Highlights • Fairly heavy rainfall (55 mm) is predicted for the Southern, Sabaragamuwa provinces and less rainfall is predicted for the rest of the country during 20 - 26 July. • During the last week, average daily rainfall over Sri Lanka was 1.2 mm and hydro catchment areas received 3.4 mm. Highest average rainfall of 3.5 mm/day received in Eastern ...
Highlights • Heavy rainfall (≥ 115 mm) is predicted for the Southern, Sabaragamuwa, Western, Uva, Central provinces and fairly heavy rainfall (85 mm) is predicted for the North Western, Eastern provinces during 26 Sep - 2 Oct. • During the last week, average daily rainfall over Sri Lanka was 13.3 mm and hydro catchment areas received 5.3 mm. Highest ...
Highlights • Moderate rainfall is predicted for the Western province, and less rainfall is expected for the rest of the country during 9th-13th September. • During the last week, the average daily rainfall over Sri Lanka was 12.7 mm and hydro catchment areas received 80.9 mm on average. • From 29th August- 4th September, up to 10m/s of South-westerlies were ...
Highlights: The IRI weekly rainfall forecast predicts total rainfall up to 75 mm in northern and central parts of the island during 19 – 24 Dec. Between 11 - 18 Dec: up to 30 mm of rainfall was recorded in Batticaloa district on the 13th and in Trincomalee district on the 14th. From 9 – 15 ...
Highlights: The WRF model predicts up to 124 mm in Polonnaruwa district and up to 34 mm in many parts of the island on January 21st. Between 10-16 Jan: No rainfalls were recorded in any part of the island. From 8-14 Jan: minimum temperature of 15 OC was recorded from Nuwara Eliya district while many parts of the island ...
Highlights: The WRF model predicts rainfall all over the country. Up to 125 mm of rainfall expected in Anuradhapura, Kandy and Ratnapura districts on the 11th. Between 1-7 Mar: highest rainfall of 100 mm was recorded on the 3rd in Anuradhapura district. From 26 Feb- 4 Mar: minimum temperature of 15 OC was recorded from Nuwara Eliya district while many ...
Highlights: The NCEP weekly rainfall forecast predicts up to 35 mm of total rainfall in Galle, Matara and Ampara during 6 – 12 Feb. Between 30 Jan - 4 Feb: up to 90 mm of rainfalls were recorded in Colombo, Anuradhapura, Trincomalee, Polonnaruwa and Batticaloa districts on the 4th. From 27 Jan – 2 Feb: Nuwara ...
Highlights • Heavy rainfall is predicted for the Sabaragamuwa, Western, Southern, Central, Uva, North Western, North Central, and Eastern provinces during 27 th Apr - 3rd May. • During the last week, average daily rainfall over Sri Lanka was 6.5 mm and hydro catchment areas received 7.6 mm. • From 18th - 24th Apr, up to 2 m/s of ...
Highlights: Slight amounts of rainfall was observed in the country during the week 19th – 25th January. Kantale received heavy rainfall on 23rd January. Ocean around Nilaveli received rainfall on 23rd and 24th January and the rest of the country did not receive significant rainfall during this period. NOAA NCEP models predict no rainfall during next week in the ...