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      Hurricane and Tropical Cyclones

      Tropical Depression

      Unnamed Unknown

      Storm Activity: Sep 1, 1939 - Sep 3, 1939

      Peak Wind
      --
      Lowest Pressure
      --
      Duration
      3 days
      Last Position
      28.7 N 141.3 E

      Storm Track

      Sep 1 – Sep 3
      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 3 · 22:00 GMT -- -- Unknown

      Storm Track Statistics

      Sep 3 22:00 GMT 28.7 141.3 -- -- Unknown --
      Sep 3 21:00 GMT 28.57 141.18 -- -- Unknown --
      Sep 3 18:00 GMT 28.19 140.84 -- -- Unknown --
      Sep 3 15:00 GMT 27.78 140.51 -- -- Unknown --
      Sep 3 12:00 GMT 27.33 140.2 -- -- Unknown --
      Sep 3 10:00 GMT 27 140 -- -- Unknown --
      Sep 3 09:00 GMT 26.82 139.91 -- -- Unknown --
      Sep 3 06:00 GMT 26.25 139.65 -- -- Unknown --
      Sep 3 03:00 GMT 25.64 139.44 -- -- Unknown --
      Sep 3 00:00 GMT 25.01 139.27 -- -- Unknown --
      Sep 2 22:00 GMT 24.6 139.2 -- -- Unknown --
      Sep 2 21:00 GMT 24.4 139.16 -- -- Unknown --
      Sep 2 18:00 GMT 23.81 139.08 -- -- Unknown --
      Sep 2 15:00 GMT 23.24 139.07 -- -- Unknown --
      Sep 2 12:00 GMT 22.67 139.12 -- -- Unknown --
      Sep 2 10:00 GMT 22.3 139.2 -- -- Unknown --
      Sep 2 09:00 GMT 22.12 139.21 -- -- Unknown --
      Sep 2 06:00 GMT 21.61 139.27 -- -- Unknown --
      Sep 2 03:00 GMT 21.1 139.45 -- -- Unknown --
      Sep 2 00:00 GMT 20.57 139.82 -- -- Unknown --
      Sep 1 22:00 GMT 20.2 140.2 -- -- Unknown --
      Sep 1 21:00 GMT 20.01 140.44 -- -- Unknown --
      Sep 1 18:00 GMT 19.4 141.34 -- -- Unknown --
      Sep 1 15:00 GMT 18.74 142.44 -- -- Unknown --
      Sep 1 12:00 GMT 18.06 143.66 -- -- Unknown --
      Sep 1 10:00 GMT 17.6 144.5 -- -- Unknown --

      Learn more about Unnamed Unknown and the 1939 Western Pacific hurricane season in our hurricane archive.

      View All Hurricanes and Tropical Cyclones
      Level Access
      Glossary