Monsoon rainfall shows distinct diurnal cycle at coasts

What is it about?

we pay attention to the spatial patterns of the diurnal cycle of rainfall adjacent to the coast and its seasonal changes, as well as interannual–decadal variations, which are related to the land–sea contrast, local terrains, and summer monsoon. Hot spots of morning-peak heavy rainfall are established at the windward slopes of coastal moutains. The interaction of monsoon flow and local circulations is also responsible for the long-term change of morning-peak rainfall.

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Why is it important?

Diurnal cycle of rainfall at the monsoon coasts is important for agricultural activities, disaster prevention, and water resource management. Studies of the diurnal cycle of rainfall provide insight into the physics of rainfall activities at monsoon coasts, which also serve as a benchmark to evaluate climate models. An intercomparisonof surface and satellite observations also helps the appropriate application of rainfall data over the coastal areas.

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