The continuous sensible heat distribution from south to north within the longitude of Indochina Peninsula makes the monsoon firstly onset in SCS region.

由感热的时间经度演变图可以看出，中南半岛所在经度范围内南北连续的感热分布对南海季风的早爆发具有重要作用。

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The area between East BOB and western Indochina Peninsula thus becomes the area of the earliest Asian monsoon onset, which is referred as BOB monsoon in short.

因此孟加拉湾东部至中印半岛西部是亚洲季风最早爆发的地区。

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