Abstract:
Thisresearch advances the study of effect of topography on Southwest rainfall in Sri
Lanka.This dissertation begins with an introduction about the climate of Sri Lanka.
Then, the general features and seasonal changes of the climate are discussed. The
Southwestmonsoon and its synoptical features are also taken place. Considering the
data at the selected rainfall reporting stations located with in a band from west to east,
the rainfall variations with the topography are discussed. The maximum rainfall is
observed at the region, which is located about 24 km away from the mountain crest
towards west coastline in Southwest monsoon period. This is due to the effect of
topography