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      Hurricane and Tropical Cyclones

      Tropical Depression

      Unnamed Unknown

      Storm Activity: Dec 5, 1920 - Dec 13, 1920

      Peak Wind
      --
      Lowest Pressure
      --
      Duration
      8 days
      Last Position
      34.6 S 150.9 E

      Storm Track

      Dec 5 – Dec 13
      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
      --

      Dec 13 · 00:00 GMT -- -- Unknown

      Storm Track Statistics

      Dec 13 00:00 GMT -34.6 150.9 -- -- Unknown --
      Dec 12 21:00 GMT -34.7 151.04 -- -- Unknown --
      Dec 12 18:00 GMT -34.8 151.19 -- -- Unknown --
      Dec 12 15:00 GMT -34.87 151.34 -- -- Unknown --
      Dec 12 12:00 GMT -34.9 151.5 -- -- Unknown --
      Dec 12 09:00 GMT -34.89 151.67 -- -- Unknown --
      Dec 12 06:00 GMT -34.85 151.83 -- -- Unknown --
      Dec 12 03:00 GMT -34.78 151.98 -- -- Unknown --
      Dec 12 00:00 GMT -34.7 152.1 -- -- Unknown --
      Dec 11 21:00 GMT -34.63 152.18 -- -- Unknown --
      Dec 11 18:00 GMT -34.56 152.23 -- -- Unknown --
      Dec 11 15:00 GMT -34.48 152.27 -- -- Unknown --
      Dec 11 12:00 GMT -34.4 152.3 -- -- Unknown --
      Dec 11 09:00 GMT -34.32 152.35 -- -- Unknown --
      Dec 11 06:00 GMT -34.24 152.4 -- -- Unknown --
      Dec 11 03:00 GMT -34.17 152.45 -- -- Unknown --
      Dec 11 00:00 GMT -34.1 152.5 -- -- Unknown --
      Dec 10 21:00 GMT -34.05 152.55 -- -- Unknown --
      Dec 10 18:00 GMT -34.01 152.6 -- -- Unknown --
      Dec 10 15:00 GMT -33.96 152.65 -- -- Unknown --
      Dec 10 12:00 GMT -33.9 152.7 -- -- Unknown --
      Dec 10 09:00 GMT -33.83 152.75 -- -- Unknown --
      Dec 10 06:00 GMT -33.74 152.79 -- -- Unknown --
      Dec 10 03:00 GMT -33.63 152.84 -- -- Unknown --
      Dec 10 00:00 GMT -33.5 152.9 -- -- Unknown --
      Dec 9 21:00 GMT -33.36 152.98 -- -- Unknown --
      Dec 9 18:00 GMT -33.2 153.06 -- -- Unknown --
      Dec 9 15:00 GMT -33.02 153.14 -- -- Unknown --
      Dec 9 12:00 GMT -32.8 153.2 -- -- Unknown --
      Dec 9 09:00 GMT -32.58 153.24 -- -- Unknown --
      Dec 9 06:00 GMT -32.32 153.27 -- -- Unknown --
      Dec 9 03:00 GMT -32.03 153.29 -- -- Unknown --
      Dec 9 00:00 GMT -31.7 153.3 -- -- Unknown --
      Dec 8 21:00 GMT -31.32 153.33 -- -- Unknown --
      Dec 8 18:00 GMT -30.9 153.35 -- -- Unknown --
      Dec 8 15:00 GMT -30.46 153.35 -- -- Unknown --
      Dec 8 12:00 GMT -30 153.3 -- -- Unknown --
      Dec 8 09:00 GMT -29.42 153.21 -- -- Unknown --
      Dec 8 06:00 GMT -28.84 153.07 -- -- Unknown --
      Dec 8 03:00 GMT -28.4 152.9 -- -- Unknown --
      Dec 8 00:00 GMT -28.2 152.7 -- -- Unknown --
      Dec 7 21:00 GMT -28.38 152.43 -- -- Unknown --
      Dec 7 18:00 GMT -28.8 152.13 -- -- Unknown --
      Dec 7 15:00 GMT -29.34 151.87 -- -- Unknown --
      Dec 7 12:00 GMT -29.9 151.7 -- -- Unknown --
      Dec 7 09:00 GMT -30.38 151.7 -- -- Unknown --
      Dec 7 06:00 GMT -30.83 151.8 -- -- Unknown --
      Dec 7 03:00 GMT -31.23 151.95 -- -- Unknown --
      Dec 7 00:00 GMT -31.5 152.1 -- -- Unknown --
      Dec 6 21:00 GMT -31.6 152.18 -- -- Unknown --
      Dec 6 18:00 GMT -31.58 152.26 -- -- Unknown --
      Dec 6 15:00 GMT -31.5 152.33 -- -- Unknown --
      Dec 6 12:00 GMT -31.4 152.4 -- -- Unknown --
      Dec 6 09:00 GMT -31.35 152.48 -- -- Unknown --
      Dec 6 06:00 GMT -31.3 152.57 -- -- Unknown --
      Dec 6 03:00 GMT -31.25 152.64 -- -- Unknown --
      Dec 6 00:00 GMT -31.2 152.7 -- -- Unknown --
      Dec 5 21:00 GMT -31.16 152.74 -- -- Unknown --
      Dec 5 18:00 GMT -31.14 152.77 -- -- Unknown --
      Dec 5 15:00 GMT -31.12 152.79 -- -- Unknown --
      Dec 5 12:00 GMT -31.1 152.8 -- -- Unknown --

      Learn more about Unnamed Unknown and the 1921 Southern Hemisphere hurricane season in our hurricane archive.

      View All Hurricanes and Tropical Cyclones
      Level Access
      Glossary