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‘Amber’ flood warnings issued for low-lying areas in Attanagalu Oya and Kalu River Basins

May 20, Colombo (LNW): Low-lying regions within the Attanagalu Oya river basin and the Kuda Ganga sub-basin of the Kalu river are at risk of experiencing flooding, the Irrigation Department said in an ‘Amber’ warning.

These warnings will remain in effect until 9 pm tomorrow (22).

Recent heavy rainfall in the upstream catchment areas of the Kuda Ganga sub-basin of the Kalu River has prompted concerns.

Analysis of current rainfall and river water levels at hydrological stations along the Kalu Ganga indicates a potential for minor flooding in the low-lying areas of the Kuda Ganga and Maguru Ganga valleys.

This affects the Bulathsinhala, Madurawala, and Palinda Nuwara district secretariat divisions.

There is a significant risk that roads traversing the flood plains of Kuda Ganga and Magura Ganga may become inundated.

Additionally, substantial rainfall has been recorded across the catchment areas of the Attanagalu Oya river basin.

Based on the analysis of rainfall and river water levels at hydrological stations in Attanagalu Oya, flooding is anticipated in the low-lying areas of Attanagalu Oya and Uruwal Oya valleys.

This affects the Diwulapitiya, Mirigama, Attanagalla, Mahara, Gampaha, Minuwangoda, Ja-Ela, Katana, and Wattala district secretariat divisions over the next 48 hours.

Consequently, certain roads in these low-lying areas may also face inundation.

Residents and motorists in these regions are urged to exercise caution.

Disaster management authorities are advised to take necessary precautions to mitigate potential impacts.

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