Dartmouth Flood Observatory - Flood Analysis Report 2003-118
Location Map: Sri Lanka - Heavy monsoon rains - Flooding and mudslides
Link to pdf inundation map
DFO # Location Continent Detailed
Began Ended  Duration (days)   Dead   Displaced   Damage (USD)  Flood Type Recurrence Interval (anecdotal)   Severity Class*   Hectares flooded  Hayden Code  Affected Region ( sq km)    Flood Magnitude**  Notes and Comments
118 Sri Lanka Asia South-central Sri Lanka - Districts: Ratnapura, Matara, Galle, Nuwara Eliya, Hambantota. Ratnapura city. Deniyaya and Akuressa. Rivers: Milwala, Polwatta Ganga, Kalu Ganga and Bentota Ganga. 17-May-03 23-May-03           7     265      900,000   Rain and mudslides 56               2   Tpz          13,490               4.5 Days of rain caused by a tropical depression in the Bay of Bengal. "worst floods and mudslides in 56 years". Flash floods and landslides in mountainous districts of Ratnapura and Nuwara Eliya. River flooding in low lying districts of Hambantota, Matara, G
May 10 - 17  - TRMM data showing heavy monsoon rains over Sri Lanka from a tropical depression in the Bay of Bengal associated with Cyclone 01b (the larger storm to NE of Sri Lanka)
Red polygon shows location of flooding.
9-May-03 10-May-03 11-May-03
12-May-03 13-May-03 15-May-03
16-May-03 17-May-03
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