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      Hurricane and Tropical Cyclones

      Tropical Depression

      Unnamed Tropical Storm

      Storm Activity: Jul 24, 1939 - Aug 5, 1939

      Peak Wind
      --
      Lowest Pressure
      --
      Duration
      12 days
      Last Position
      32.1 N 142.5 E

      Storm Track

      Jul 24 – Aug 5
      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
      --

      Aug 5 · 21:00 GMT -- -- Tropical Storm

      Storm Track Statistics

      Aug 5 21:00 GMT 32.1 142.5 -- -- Tropical Storm --
      Aug 5 18:00 GMT 32.03 142.94 -- -- Tropical Storm --
      Aug 5 15:00 GMT 31.94 143.38 -- -- Tropical Storm --
      Aug 5 12:00 GMT 31.8 143.8 -- -- Tropical Storm --
      Aug 5 09:00 GMT 31.6 144.2 -- -- Tropical Storm --
      Aug 5 06:00 GMT 31.32 144.58 -- -- Tropical Storm --
      Aug 5 03:00 GMT 30.97 144.95 -- -- Tropical Storm --
      Aug 5 00:00 GMT 30.56 145.32 -- -- Tropical Storm --
      Aug 4 21:00 GMT 30.1 145.7 -- -- Tropical Storm --
      Aug 4 18:00 GMT 29.57 146.12 -- -- Tropical Storm --
      Aug 4 15:00 GMT 29 146.55 -- -- Tropical Storm --
      Aug 4 12:00 GMT 28.46 146.98 -- -- Tropical Storm --
      Aug 4 09:00 GMT 28 147.4 -- -- Tropical Storm --
      Aug 4 06:00 GMT 27.76 147.71 -- -- Tropical Storm --
      Aug 4 03:00 GMT 27.6 148.03 -- -- Tropical Storm --
      Aug 4 00:00 GMT 27.41 148.43 -- -- Tropical Storm --
      Aug 3 21:00 GMT 27.1 149 -- -- Tropical Storm --
      Aug 3 18:00 GMT 26.46 149.89 -- -- Tropical Storm --
      Aug 3 15:00 GMT 25.7 150.93 -- -- Tropical Storm --
      Aug 3 12:00 GMT 24.94 151.97 -- -- Tropical Storm --
      Aug 3 09:00 GMT 24.3 152.9 -- -- Tropical Storm --
      Aug 3 06:00 GMT 23.9 153.59 -- -- Tropical Storm --
      Aug 3 03:00 GMT 23.64 154.16 -- -- Tropical Storm --
      Aug 3 00:00 GMT 23.52 154.62 -- -- Tropical Storm --
      Aug 2 21:00 GMT 23.5 155 -- -- Tropical Storm --
      Aug 2 18:00 GMT 23.57 155.42 -- -- Tropical Storm --
      Aug 2 15:00 GMT 23.74 155.75 -- -- Tropical Storm --
      Aug 2 12:00 GMT 23.94 155.96 -- -- Tropical Storm --
      Aug 2 09:00 GMT 24.1 156 -- -- Tropical Storm --
      Aug 2 06:00 GMT 24.14 155.97 -- -- Tropical Storm --
      Aug 2 03:00 GMT 24.13 155.75 -- -- Tropical Storm --
      Aug 2 00:00 GMT 24.11 155.34 -- -- Tropical Storm --
      Aug 1 21:00 GMT 24.1 154.7 -- -- Tropical Storm --
      Aug 1 18:00 GMT 24.18 153.74 -- -- Tropical Storm --
      Aug 1 15:00 GMT 24.25 152.59 -- -- Tropical Storm --
      Aug 1 12:00 GMT 24.27 151.39 -- -- Tropical Storm --
      Aug 1 09:00 GMT 24.2 150.3 -- -- Tropical Storm --
      Aug 1 06:00 GMT 23.97 149.53 -- -- Tropical Storm --
      Aug 1 03:00 GMT 23.66 148.91 -- -- Tropical Storm --
      Aug 1 00:00 GMT 23.31 148.38 -- -- Tropical Storm --
      Jul 31 21:00 GMT 23 147.9 -- -- Tropical Storm --
      Jul 31 18:00 GMT 22.77 147.38 -- -- Tropical Storm --
      Jul 31 15:00 GMT 22.58 146.9 -- -- Tropical Storm --
      Jul 31 12:00 GMT 22.43 146.44 -- -- Tropical Storm --
      Jul 31 09:00 GMT 22.3 146 -- -- Tropical Storm --
      Jul 31 06:00 GMT 22.2 145.57 -- -- Tropical Storm --
      Jul 31 03:00 GMT 22.13 145.15 -- -- Tropical Storm --
      Jul 31 00:00 GMT 22.07 144.73 -- -- Tropical Storm --
      Jul 30 21:00 GMT 22 144.3 -- -- Tropical Storm --
      Jul 30 18:00 GMT 21.86 143.86 -- -- Tropical Storm --
      Jul 30 15:00 GMT 21.72 143.41 -- -- Tropical Storm --
      Jul 30 12:00 GMT 21.59 142.93 -- -- Tropical Storm --
      Jul 30 09:00 GMT 21.5 142.4 -- -- Tropical Storm --
      Jul 30 06:00 GMT 21.45 141.92 -- -- Tropical Storm --
      Jul 30 03:00 GMT 21.45 141.38 -- -- Tropical Storm --
      Jul 30 00:00 GMT 21.5 140.73 -- -- Tropical Storm --
      Jul 29 21:00 GMT 21.6 139.9 -- -- Tropical Storm --
      Jul 29 18:00 GMT 21.79 138.71 -- -- Tropical Storm --
      Jul 29 15:00 GMT 22.03 137.37 -- -- Tropical Storm --
      Jul 29 12:00 GMT 22.24 136.04 -- -- Tropical Storm --
      Jul 29 09:00 GMT 22.4 134.9 -- -- Tropical Storm --
      Jul 29 06:00 GMT 22.43 134.2 -- -- Tropical Storm --
      Jul 29 03:00 GMT 22.4 133.7 -- -- Tropical Storm --
      Jul 29 00:00 GMT 22.35 133.31 -- -- Tropical Storm --
      Jul 28 21:00 GMT 22.3 132.9 -- -- Tropical Storm --
      Jul 28 18:00 GMT 22.29 132.3 -- -- Tropical Storm --
      Jul 28 15:00 GMT 22.29 131.67 -- -- Tropical Storm --
      Jul 28 12:00 GMT 22.29 131.06 -- -- Tropical Storm --
      Jul 28 09:00 GMT 22.3 130.5 -- -- Tropical Storm --
      Jul 28 06:00 GMT 22.3 129.95 -- -- Tropical Storm --
      Jul 28 03:00 GMT 22.3 129.47 -- -- Tropical Storm --
      Jul 28 00:00 GMT 22.33 129.1 -- -- Tropical Storm --
      Jul 27 21:00 GMT 22.4 128.9 -- -- Tropical Storm --
      Jul 27 18:00 GMT 22.52 128.8 -- -- Tropical Storm --
      Jul 27 15:00 GMT 22.67 128.88 -- -- Tropical Storm --
      Jul 27 12:00 GMT 22.83 129.14 -- -- Tropical Storm --
      Jul 27 09:00 GMT 23 129.6 -- -- Tropical Storm --
      Jul 27 06:00 GMT 23.15 130.32 -- -- Tropical Storm --
      Jul 27 03:00 GMT 23.29 131.21 -- -- Tropical Storm --
      Jul 27 00:00 GMT 23.4 132.15 -- -- Tropical Storm --
      Jul 26 21:00 GMT 23.5 133 -- -- Tropical Storm --
      Jul 26 18:00 GMT 23.56 133.59 -- -- Tropical Storm --
      Jul 26 15:00 GMT 23.6 134.08 -- -- Tropical Storm --
      Jul 26 12:00 GMT 23.64 134.5 -- -- Tropical Storm --
      Jul 26 09:00 GMT 23.7 134.9 -- -- Tropical Storm --
      Jul 26 06:00 GMT 23.79 135.31 -- -- Tropical Storm --
      Jul 26 03:00 GMT 23.9 135.71 -- -- Tropical Storm --
      Jul 26 00:00 GMT 24.04 136.13 -- -- Tropical Storm --
      Jul 25 21:00 GMT 24.2 136.6 -- -- Tropical Storm --
      Jul 25 18:00 GMT 24.42 137.15 -- -- Tropical Storm --
      Jul 25 15:00 GMT 24.65 137.77 -- -- Tropical Storm --
      Jul 25 12:00 GMT 24.86 138.42 -- -- Tropical Storm --
      Jul 25 09:00 GMT 25 139.1 -- -- Tropical Storm --
      Jul 25 06:00 GMT 25.05 139.79 -- -- Tropical Storm --
      Jul 25 03:00 GMT 25.01 140.49 -- -- Tropical Storm --
      Jul 25 00:00 GMT 24.92 141.2 -- -- Tropical Storm --
      Jul 24 21:00 GMT 24.8 141.9 -- -- Tropical Storm --

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

      View All Hurricanes and Tropical Cyclones
      Level Access
      Glossary