Actuality of High-Jet and Heavy Rainfall Caused by Interaction between the Mid-latitude Synoptic System and Typhoon
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Abstract:
Typhoon is the most intensive synoptic system that can result in heavy rainfall in China. The interaction between the westerly trough and synoptic system far from typhoon constantly leads to abrupt reinforcement of rainfall and severe disaster.The north part heavy rainfall is called as heavy rainfall far from typhoon. Researches show that heavy rainfall far from typhoon mostly occurred at the right side behind the south-westerly high-Jet that has distinct non-zonal features, at the same time, reinforcement of heavy rainfall is closely associated with strength of non-zonal features. Researches on heavy rainfall far from typhoon and non-zonal high level Jet streak are reviewed.