🔴🔴 Kelani River Flood Situation Update(06.30 AM, 29 November) āļ¸āˇš area ⎀āļŊ āļ‰āļąāˇŠāļąāˇ€āˇ āļąāļ¸āˇŠ āˇ€āˇ„āˇāļ¸ āļ…āļē⎒āļąāˇŠāˇ€āˇ™āļąāˇŠāļąāˇ!!

kasunkaru

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  • Jan 25, 2018
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    āļ´āļģāˇ’āˇƒāˇŠāˇƒāļ¸āˇ’āļąāˇŠ āļ‰āļąāˇŠāļą.. āļšāˇœāļŊāļļāļ§ āļŊ⎜āļšāˇ” āļ…⎀⎔āļŊāļšāˇŠ āļ‹āļąāˇš āļąāˇ‘... āļ‘āļšāļ§ āļšāˇāļ´ āˇ€āˇ™āļŊāˇ ⎀⎐āļŠ āļšāļģāļ´āˇ” āļ¯āˇšāˇāļ´āˇāļŊāļą, āļģāļĸāļē⎚ āļ”āļšāˇŠāļšāˇœāļ§āļ¸ āˇƒāˇŠāļ­āˇ”āļ­āˇ’āļē⎒.

    āļąāˇ”⎀āļģ āļšāļ§āˇ”āļœāˇƒāˇŠāļ­āˇœāļ§... āļ¯āˇ€āˇƒāˇŠ 6āļ§ āˇ€āļœāˇš āļ´āˇƒāˇŠāˇƒāˇš āļ…āļ¯ āˇ„āˇœāļ¯āļ§ āļ…āˇ€āˇŠāˇ€.
    kolambata loku awulak natte yahapaalana andunwen hadapu tunnel hinda paco mee rajayen karapu labbac naa
     

    Dr.Sheldon_Suprakata

    Well-known member
  • Feb 7, 2018
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    āļ…āļ­āˇ”āļģ⎔āļœāˇ’āļģ⎒āļē ⎄āļēāˇ’āˇ€āˇš āļ´āˇāļŊāļ¸ āļŊāļœ


    āļšāļŊ⎒āļąāˇŠ predict āļšāļģāļ´āˇ” ⎀⎒āļ¯āˇ’⎄āļ§ āļ…āļ­āˇ”āļģ⎔āļœāˇ’āļģ⎒āļē⎚āļ­āˇŠ āļ´āˇ„āļŊ area ⎀āļŊāļ§ āˇ€āļ­āˇ”āļģ āļ‘āļąāˇ€āˇ ⎀āļœāˇš. āļ¸āˇ“āļ§ āˇ€āļŠāˇ āļœāˇœāļŠāļšāˇŠ ⎀⎐āļŠāˇ’ ⎀⎙āļąāˇŠāļąāˇš āļąāˇāļ­āˇ’ ⎀⎙āļē⎒ āļœāˇœāļŠāļšāˇŠ āļ¯āˇ”āļģāļ§.

    image-2025-11-30-100406388.png


    🌊
    KADUWELA – What Will Happen
    Kaduwela sits directly in the Kelani flood-spread corridor, especially the low ground between Biyagama, Kelanimulla, and Orugodawatta.


    ✅
    Expected Flood Depths

    Kaduwela Town Lowlands:
    2–5 ft (0.6–1.5 m)

    Kelanimulla area:
    4–8 ft (1.2–2.5 m) (highest risk zone in Kaduwela)

    Athurugiriya Road lower bends:
    1–3 ft (0.3–0.9 m)

    Kaduwela Bridge / Highway underpass pockets:
    2–4 ft (0.6–1.2 m)

    đŸ”Ĩ
    Why Kaduwela will flood
    Water moving downstream from Pugoda → Hanwella → Kaduwela
    Low elevation (5–8 m in many parts)
    Backflow from canals + Kelani overflow
    Historical flooding (2016/2021/2024) shows Kaduwela is a major “spread basin”


    📌
    Timing
    Flood levels may increase for the next 6–12 hours, because Mapitigama is still rising.


    🌧
    MALABE – What Will Happen
    Malabe is higher in elevation compared to Kaduwela, but drainage connects downward into Kolonnawa and Kaduwela basins.


    ✅
    Expected Flood Depths

    Most of Malabe (higher ground):
    0–1 ft (0–0.3 m) — surface water only

    Near waterways / low pocket areas:
    1–2 ft (0.3–0.6 m)

    Malabe Town (centre):
    Mostly safe — may see minor road flooding

    Arangala, Chandrika Kumaratunga Mawatha low spots:
    1–3 ft possible if drainage chokes

    Koswatta → Rajagiriya corridor:
    Flooding likely because water pushes towards Kolonnawa LP basin

    ⚠
    Important:

    Malabe does not flood from Kelani directly, but: Drainage lines push water downhill into Kolonnawa Basin
    When Kolonnawa floods heavily, water backs up toward Rajagiriya → Malabe corridor
    So Malabe’s issue is drainage backflow, not river overflow.
     

    Dr.Sheldon_Suprakata

    Well-known member
  • Feb 7, 2018
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    ⎆āļšāˇŠ ⎀⎙āļąāˇ€āļąāˇš. āļ‘āļ āˇŠāļ āļģ āļ‹āˇƒāļ§ āļ‡āˇ€āˇ’āļŊ⎊āļŊāˇ āļšāˇ’āļēāļąāˇŠāļąāˇš āļœāˇœāļŠāļšāˇŠ āļ´āˇ„āļŊ area āļ‘āļšāļšāļ¯ āļ¯āļąāˇŠāļąāˇš āļąāˇ‘. SLIIT āļ‘āļš āļœāˇāˇ€ pearl residency āļ‘āļš āļ­āˇ’āļļ⎔āļĢ⎔ ⎄āļģ⎒āļē⎙āļ­āˇŠ āļšāļŊ⎒āļąāˇŠ āļ´āˇāļģ āļēāļ§ āˇ€āˇ™āļŊāˇ āļ­āˇ’āļļ⎔āļąāˇ āļ¸āļ­āļšāļē⎒
     

    Emios

    Well-known member
  • Dec 10, 2009
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    ⎆āļšāˇŠ ⎀⎙āļąāˇ€āļąāˇš. āļ‘āļ āˇŠāļ āļģ āļ‹āˇƒāļ§ āļ‡āˇ€āˇ’āļŊ⎊āļŊāˇ āļšāˇ’āļēāļąāˇŠāļąāˇš āļœāˇœāļŠāļšāˇŠ āļ´āˇ„āļŊ area āļ‘āļšāļšāļ¯ āļ¯āļąāˇŠāļąāˇš āļąāˇ‘. SLIIT āļ‘āļš āļœāˇāˇ€ pearl residency āļ‘āļš āļ­āˇ’āļļ⎔āļĢ⎔ ⎄āļģ⎒āļē⎙āļ­āˇŠ āļšāļŊ⎒āļąāˇŠ āļ´āˇāļģ āļēāļ§ āˇ€āˇ™āļŊāˇ āļ­āˇ’āļļ⎔āļąāˇ āļ¸āļ­āļšāļē⎒
    Koi hairyeda danne ne
     

    Rick Sanchezz

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  • Dec 19, 2020
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    ⎆āļšāˇŠ ⎀⎙āļąāˇ€āļąāˇš. āļ‘āļ āˇŠāļ āļģ āļ‹āˇƒāļ§ āļ‡āˇ€āˇ’āļŊ⎊āļŊāˇ āļšāˇ’āļēāļąāˇŠāļąāˇš āļœāˇœāļŠāļšāˇŠ āļ´āˇ„āļŊ area āļ‘āļšāļšāļ¯ āļ¯āļąāˇŠāļąāˇš āļąāˇ‘. SLIIT āļ‘āļš āļœāˇāˇ€ pearl residency āļ‘āļš āļ­āˇ’āļļ⎔āļĢ⎔ ⎄āļģ⎒āļē⎙āļ­āˇŠ āļšāļŊ⎒āļąāˇŠ āļ´āˇāļģ āļēāļ§ āˇ€āˇ™āļŊāˇ āļ­āˇ’āļļ⎔āļąāˇ āļ¸āļ­āļšāļē⎒
    oya punchi car sale eka tiyena area eke ne? e tika echchara lokuwata ahu une ne ban mataka widihata.
     

    Emios

    Well-known member
  • Dec 10, 2009
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    Ubala hitanne me para una scene eken passe anduwa passe ena ewata ready wei kiyalada?tawa masa dekakin wage mewa amataka wela aye parana system ekata yay.aye flood ekak awama aye duwai me wage