Research

Independent studies behind the warnings on this site: how they were made, the numbers, and where they can be wrong.

Street flooding in Wellampitiya and Kolonnawa: what the data shows16 documented floods since 2018: 9 came with the Kelani at minor flood level, 6 with a normal river. How satellite rain warns of street water here, how well it works, and what does not help.Last updated 2026-10-24

Not official. In an emergency call 117

Data: Irrigation Dept & othersMade by @shakeeb_x