Columbo Floods 2016 Flashcards
1
Q
For how long did rain fall on the area in Sri Lanka
A
3 days continuous heavy rain
2
Q
Why is the kelani river prone to flooding
A
Because it starts in western province with narrow steep sided valleys making the water move fast.
It becomes slow moving and meandering leading to a build up of water and flood risk
3
Q
What about the region expanded the extent of the flood
A
It is low lying and much is former marshland and water meadow
4
Q
How much rain did the kelani river receive
A
350mm of total rainfall within three days across the whole river basin
5
Q
How many people were displaced becuase of the flood
A
172,000
6
Q
Why was there heavy rainfall
A
May is statistically heavy rain season this it is a result of a seasonal reversal in wind direction
