... which stores and releases energy as it changes from liquid to vapour and back (latent heat). The combined effect of these three mechanisms produces the monsoon's characteristic reversals of high winds and precipitation. One of the most important variable is the timing of the beginning of the wet season in the Tropical Monsoon Climate. This onset date propagates across the Indian subcontinent from the Bay of Bengal towards the interior bringing the intense rains. The reverse process, the monsoon retreat, marks the end of the wet season, and travels from the interior out towards the Bay of Bengal. Monsoons are caused by land-sea temperature differences due to heating by the sun's radiation. The winter monsoon lasts for 8 months. The continental landmass cools rapidly resulting in extremely low temperatures over central Asia. As temperature drops, atmospheric pressure rises and an intense high pressure system (anticyclone) develops over Siberia. Cold air flows out ...

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