Indian summer monsoon strength is influenced by the position and behavior of large-scale circulation features including the upper-tropospheric Tibetan (South Asian) anticyclone, the Mascarene High in the southern Indian Ocean, and the tropical easterly jet stream. A westward shift of the Tibetan anticyclone from its climatological mean position is associated with weaker monsoon circulation and reduced rainfall over India.
The Tibetan anticyclone, an upper-level high-pressure system over the Tibetan Plateau during the summer monsoon season, plays a key role in maintaining the monsoon's large-scale...
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