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Tropical Cyclones in 2021 > Two Tropical Depressions

TROPICAL CYCLONES IN 2021

3.2 Two Tropical Depressions: 5 – 8 July 2021

  • Report on Two Tropical Depressions: 5 – 8 July 2021
    • Figures
  • Tracks of the two tropical depressions: 5 – 8 July 2021
  • Rainfall distribution on 6 – 7 July 2021
  • Infra-red satellite imagery around 5 a.m. on 6 July 2021, when the first tropical depression was near the southern part of Taiwan and the second tropical depression was over the central part of the South China Sea
  • Visible satellite imagery around 11 a.m. on 7 July 2021. The second tropical depression had already made landfall over Hainan Island at that time. The subtropical ridge was bringing generally fine weather to southeastern China and the northeastern part of the South China Sea
  • Image of radar echoes at 11:48 p.m. on 6 July 2021. The outer rainbands associated with the two tropical depressions were affecting Hong Kong at that time
    • Tables
  • Maximum gust peak speeds and maximum hourly mean winds with associated wind directions recorded at various stations when the tropical cyclone warning signals for the two tropical depressions were in force
  • Daily rainfall amounts recorded at the Hong Kong Observatory Headquarters and other stations during the passage of the two tropical depressions
  • Times and heights of the maximum sea level and the maximum storm surge recorded at tide stations in Hong Kong during the passage of the two tropical depressions


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