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      Hurricane and Tropical Cyclones

      Tropical Depression

      Unnamed Hurricane

      Storm Activity: Sep 9, 1931 - Sep 11, 1931

      Peak Wind
      --
      Lowest Pressure
      --
      Duration
      3 days
      Last Position
      29.9 N 123.9 E

      Storm Track

      Sep 9 – Sep 11
      Storm Category
      1. Tropical Depression Peak < 39 mph
      2. Tropical Storm 39-73 mph
      3. Category 1 74-95 mph
      4. Category 2 96-110 mph
      5. Category 3 111-129 mph
      6. Category 4 130-156 mph
      7. Category 5 157+ mph

      Intensity

      Sustained wind at each observation
      Peak wind
      --
      Peak category
      Tropical Depression
      Lowest pressure
      --

      Sep 11 · 22:00 GMT -- -- Hurricane

      Storm Track Statistics

      Sep 11 22:00 GMT 29.9 123.9 -- -- Hurricane --
      Sep 11 21:00 GMT 29.73 123.92 -- -- Hurricane --
      Sep 11 18:00 GMT 29.23 123.99 -- -- Hurricane --
      Sep 11 15:00 GMT 28.73 124.06 -- -- Hurricane --
      Sep 11 12:00 GMT 28.23 124.14 -- -- Hurricane --
      Sep 11 10:00 GMT 27.9 124.2 -- -- Hurricane --
      Sep 11 09:00 GMT 27.74 124.23 -- -- Hurricane --
      Sep 11 06:00 GMT 27.25 124.35 -- -- Hurricane --
      Sep 11 03:00 GMT 26.79 124.47 -- -- Hurricane --
      Sep 11 00:00 GMT 26.36 124.61 -- -- Hurricane --
      Sep 10 22:00 GMT 26.1 124.7 -- -- Hurricane --
      Sep 10 21:00 GMT 25.98 124.75 -- -- Hurricane --
      Sep 10 18:00 GMT 25.66 124.89 -- -- Hurricane --
      Sep 10 15:00 GMT 25.37 125.04 -- -- Hurricane --
      Sep 10 12:00 GMT 25.09 125.19 -- -- Hurricane --
      Sep 10 10:00 GMT 24.9 125.3 -- -- Hurricane --
      Sep 10 09:00 GMT 24.79 125.36 -- -- Unknown --
      Sep 10 06:00 GMT 24.46 125.54 -- -- Unknown --
      Sep 10 03:00 GMT 24.13 125.72 -- -- Unknown --
      Sep 10 00:00 GMT 23.81 125.89 -- -- Unknown --
      Sep 9 22:00 GMT 23.6 126 -- -- Unknown --
      Sep 9 21:00 GMT 23.5 126.05 -- -- Unknown --
      Sep 9 18:00 GMT 23.21 126.19 -- -- Unknown --
      Sep 9 15:00 GMT 22.94 126.31 -- -- Unknown --
      Sep 9 12:00 GMT 22.67 126.43 -- -- Unknown --
      Sep 9 10:00 GMT 22.5 126.5 -- -- Unknown --

      Learn more about Unnamed Hurricane and the 1931 Western Pacific hurricane season in our hurricane archive.

      View All Hurricanes and Tropical Cyclones
      Level Access
      Glossary