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      Hurricane and Tropical Cyclones

      Tropical Depression

      Unnamed Unknown

      Storm Activity: Dec 18, 1917 - Dec 20, 1917

      Peak Wind
      --
      Lowest Pressure
      --
      Duration
      2 days
      Last Position
      22.3 S 123.2 E

      Storm Track

      Dec 18 – Dec 20
      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 20 · 01:00 GMT -- -- Unknown

      Storm Track Statistics

      Dec 20 01:00 GMT -22.3 123.2 -- -- Unknown --
      Dec 20 00:00 GMT -22.03 123.01 -- -- Unknown --
      Dec 19 21:00 GMT -21.24 122.46 -- -- Unknown --
      Dec 19 18:00 GMT -20.49 121.97 -- -- Unknown --
      Dec 19 15:00 GMT -19.83 121.57 -- -- Unknown --
      Dec 19 12:00 GMT -19.3 121.3 -- -- Unknown --
      Dec 19 10:00 GMT -19 121.2 -- -- Unknown --
      Dec 19 09:00 GMT -18.81 121.16 -- -- Unknown --
      Dec 19 06:00 GMT -18.09 121.05 -- -- Unknown --
      Dec 19 03:00 GMT -17.26 121 -- -- Unknown --
      Dec 19 01:00 GMT -16.7 121 -- -- Unknown --
      Dec 19 00:00 GMT -16.44 121.01 -- -- Unknown --
      Dec 18 21:00 GMT -15.72 121.08 -- -- Unknown --
      Dec 18 18:00 GMT -15.1 121.2 -- -- Unknown --
      Dec 18 15:00 GMT -14.57 121.37 -- -- Unknown --
      Dec 18 12:00 GMT -14.09 121.57 -- -- Unknown --
      Dec 18 09:00 GMT -13.67 121.8 -- -- Unknown --
      Dec 18 06:00 GMT -13.29 122.06 -- -- Unknown --
      Dec 18 03:00 GMT -12.93 122.32 -- -- Unknown --
      Dec 18 01:00 GMT -12.7 122.5 -- -- Unknown --

      Learn more about Unnamed Unknown and the 1918 Southern Hemisphere hurricane season in our hurricane archive.

      View All Hurricanes and Tropical Cyclones
      Level Access
      Glossary