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🌧️ Extreme Rainfall Predicted for Western Sri Lanka The US NCEP forecasts rainfall exceeding 100 mm over western Sri Lanka during 13th - 26th October . #lka #WeatherSL #ClimateLK #fectlk #DisasterLK #CleanAirLK

𝐒𝐫𝐢 𝐋𝐚𝐧𝐤𝐚 𝐖𝐞𝐚𝐭𝐡𝐞𝐫 | 𝟏𝟑 - 𝟐𝟎 𝐎𝐜𝐭 • Rainfall: 115 –135 mm forecast • Winds: 1–3 m/s, mainly S and SE • Recent max temp: 32.8°C • El Niño: Niño 3.4 at +3.0°C • Positive IOD: 90–95% likely Oct–Dec #lka #WeatherSL #ClimateLK #fectlk #DisasterLK #CleanAirLK

Air quality was mostly Good-Moderate. Digana recorded the highest weekly average AQI (69), followed by Jaffna (68). Jaffna reached AQI 116 on one day, classified as Unhealthy for Sensitive Groups. Read more: fect.lk/air-quality/ #airquality #airpollution #fectlk #cleanairlk

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Northern and Eastern Plains were the warmest. Polonnaruwa and Vavuniya reached 37.5°C on 30 Sep. Average Tmax ranged from 28.9–34.3°C, while Tmin ranged from 18.6–25.2°C. Nuwara Eliya recorded 11.6°C on 2 Oct. #lka #WeatherSL #climatelk #fectlk #disasterlk #cleanairlk

𝐒𝐫𝐢 𝐋𝐚𝐧𝐤𝐚 𝐖𝐞𝐚𝐭𝐡𝐞𝐫 | 𝟔 - 𝟏𝟑 𝐎𝐜𝐭 • Rainfall: 25 - 115 mm forecast • Winds: 1 - 4 m/s, mainly NE • Recent max temp: 37.5°C • El Niño: Niño 3.4 at +3.0°C • Positive IOD: 90 - 95% likely Oct–Dec #lka #WeatherSL #ClimateLK #fectlk #disasterlk #cleanairlk

Air quality was mostly Good–Moderate. Anuradhapura recorded the highest daily AQI (105) on 29 Sep, while Digana had the highest weekly AQI (80). Most areas remained Moderate. Read more: fect.lk/air-quality/ #airquality #airpollution #fectlk #cleanairlk

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𝐒𝐫𝐢 𝐋𝐚𝐧𝐤𝐚 𝐖𝐞𝐚𝐭𝐡𝐞𝐫 | 𝟐𝟗 𝐒𝐞𝐩–𝟓 𝐎𝐜𝐭 • Rainfall: 25–105 mm expected • Winds: 2–4 m/s, mainly SW • Max temp: 38.3°C in Polonnaruwa • El Niño: Niño 3.4 at +3.0°C • Positive IOD: 90–95% likely Sep–Dec #lka #WeatherSL #ClimateLK #fectlk

Weekly Air Quality | 21–27 Sep Sri Lanka’s air quality remained Good to Moderate. Highest weekly AQI: Battaramulla (59), Anuradhapura (57), Mirihana (55). Akurana reached a daily AQI of 80 on 27 Sep. 🔗 fect.lk/air-quality/ #airquality #airpollution #fectlk #cleanairlk

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Rainfall exceeded 135 mm in parts of SW Sri Lanka, with Ratnapura recording 98 mm. NOAA predicts 25–95 mm across SL (22–28 Sep). Polonnaruwa reached 38.4°C. El Niño persists (+3.0°C), while IOD remains neutral. #lka #WeatherSL #ClimateLK #fectlk #DisasterLK

𝐀𝐢𝐫 𝐐𝐮𝐚𝐥𝐢𝐭𝐲 𝟏𝟒–𝟐𝟎 𝐒𝐞𝐩 Air quality across Sri Lanka remained Good to Moderate. Battaramulla recorded the highest weekly average AQI at 65, while Chilaw recorded the highest daily AQI at 89. #airquality #airpollution #fectlk #cleanairlk

Sri Lanka Temperature | 09–15 September 2026 Maximum: 34.8–35.5°C. Polonnaruwa reached 39.3°C. Minimum: 18.3–26.1°C. Nuwara Eliya recorded the lowest at 11.7°C. September average: 30.0°C maximum, 24.0°C minimum. #lka #WeatherSL #ClimateLK #fectlk #DisasterLK

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Rainfall increased from 13 Sep, with Galle recording 132 mm. NOAA predicts 25–125 mm rainfall across Sri Lanka (15–21 Sep). Polonnaruwa reached 39.3°C. El Niño persists (+2.7°C), while IOD remains neutral. #lka #WeatherSL #ClimateLK #fectlk #DisasterLK

Sri Lanka Air Quality | 07–13 September Air quality remained Good to Moderate across Sri Lanka. Akurana recorded the highest daily AQI at 90 (Moderate), while the highest weekly average AQI was 74 in Akurana and Mannar. #airquality #airpollution #fectlk #cleanairlk

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Sri Lanka received above-average rainfall from 1–9 Sep, with Bandarawela recording 71 mm on 3 Sep. Rainfall of 15–85 mm is expected, 8–14 Sep. Winds: 4–8 m/s. El Niño continues, with Niño 3.4 at 2.7°C. Positive IOD likely Sep–Dec. #lka #WeatherSL #climatelk #fectlk #disasterlk