An Overview of Research and Forecasting on Rainfall Associated with Landfalling Tropical Cyclones |
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Authors: | CHEN Lianshou LI Ying and CHENG Zhengquan |
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Institution: | State Key Laboratory of Severe Weather, Chinese Academy of Meteorological Sciences, Beijing 100081,State Key Laboratory of Severe Weather, Chinese Academy of Meteorological Sciences, Beijing 100081,Guangzhou Central Meteorological Observatory, Guangzhou 510080 |
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Abstract: | The ability to forecast heavy rainfall associated with landfalling tropical
cyclones (LTCs) can be improved with a better understanding of the mechanism
of rainfall rates and distributions of LTCs. Research in the area of LTCs
has shown that associated heavy rainfall is related closely to mechanisms
such as moisture transport, extratropical transition (ET), interaction with
monsoon surge, land surface processes or topographic effects, mesoscale
convective system activities within the LTC, and boundary layer energy
transfer etc.. LTCs interacting with environmental weather systems, especially
the westerly trough and mei-yu front, could change the rainfall rate and
distribution associated with these mid-latitude weather systems.
Recently improved technologies have contributed to advancements within the
areas of quantitative precipitation estimation (QPE) and quantitative
precipitation forecasting (QPF). More specifically, progress has been due
primarily to remote sensing observations and mesoscale numerical models
which incorporate advanced assimilation techniques. Such progress may
provide the tools necessary to improve rainfall forecasting techniques
associated with LTCs in the future. |
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Keywords: | landfalling tropical cyclones heavy rainfall research and forecasting |
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