Heavy precipitation in Hong Kong, 1951-2000

Yuk Yee Yan*

*Corresponding author for this work

Research output: Contribution to journalJournal articlepeer-review


Daily precipitation amounts greater than 50 mm from 1951 to 2000 in Hong Kong were analyzed to determine their seasonal and annual frequencies. A total of 627 extreme rainfall days happened and 334 (53.27%) days occurred in summer. Non-significant increasing trends for annual precipitation and number of heavy rain days were detected. Daily surface weather maps were used to identify the synoptic weather types producing the heavy rainfall. It was discovered that tropical cyclone and low pressure induced most of the heavy precipitation. Seven out of twelve years with counts of heavy rain days over fifteen coincided with El Nino events.

Original languageEnglish
Pages (from-to)93-104
Number of pages12
JournalJournal of Meteorological Research
Issue number1
Publication statusPublished - 2003

Scopus Subject Areas

  • Ocean Engineering
  • Atmospheric Science

User-Defined Keywords

  • Heavy rainfall
  • Hong Kong
  • Synoptic weather types
  • Tropical cyclone


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