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      Hurricane and Tropical Cyclones

      Tropical Depression

      Unnamed Tropical Depression

      Storm Activity: Jul 17, 1955 - Jul 23, 1955

      Peak Wind
      --
      Lowest Pressure
      990 mb
      Duration
      6 days
      Last Position
      48.1 N 179.03 E

      Storm Track

      Jul 17 – Jul 23
      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
      990 mb

      Jul 23 · 09:00 GMT -- 1,004 mb Extratropical

      Storm Track Statistics

      Jul 23 09:00 GMT 48.1 179.03 -- 1,004 mb Extratropical --
      Jul 23 06:00 GMT 47.7 178 -- 1,004 mb Extratropical --
      Jul 23 03:00 GMT 47.44 177.13 -- 1,004 mb Extratropical --
      Jul 23 00:00 GMT 47 176 -- 1,004 mb Extratropical --
      Jul 22 21:00 GMT 45.9 174.47 -- 1,003 mb Extratropical --
      Jul 22 18:00 GMT 44.8 172.3 -- 1,002 mb Extratropical --
      Jul 22 15:00 GMT 44.34 168.96 -- 1,001 mb Extratropical --
      Jul 22 12:00 GMT 44 165.8 -- 1,000 mb Extratropical --
      Jul 22 09:00 GMT 43.5 164.3 -- 999 mb Unknown --
      Jul 22 06:00 GMT 43 163.4 -- 998 mb Unknown --
      Jul 22 03:00 GMT 42.46 162.28 -- 995 mb Unknown --
      Jul 22 00:00 GMT 42 161 -- 992 mb Unknown --
      Jul 21 21:00 GMT 41.79 159.36 -- 991 mb Unknown --
      Jul 21 18:00 GMT 41.5 157.6 -- 990 mb Unknown --
      Jul 21 15:00 GMT 40.73 155.97 -- 990 mb Unknown --
      Jul 21 12:00 GMT 40 154.5 -- 990 mb Unknown --
      Jul 21 09:00 GMT 39.84 153.25 -- 992 mb Tropical Depression --
      Jul 21 06:00 GMT 39.8 152 -- 994 mb Tropical Depression --
      Jul 21 03:00 GMT 39.46 150.48 -- 995 mb Tropical Depression --
      Jul 21 00:00 GMT 39 149 -- 996 mb Tropical Depression --
      Jul 20 21:00 GMT 38.46 147.82 -- 997 mb Tropical Depression --
      Jul 20 18:00 GMT 38 146.8 -- 998 mb Tropical Depression --
      Jul 20 15:00 GMT 37.83 145.83 -- 999 mb Tropical Depression --
      Jul 20 12:00 GMT 37.7 144.9 -- 1,000 mb Tropical Depression --
      Jul 20 09:00 GMT 37.41 143.89 -- 1,000 mb Tropical Depression --
      Jul 20 06:00 GMT 37 143 -- 1,000 mb Tropical Depression --
      Jul 20 03:00 GMT 36.51 142.34 -- 1,000 mb Tropical Depression --
      Jul 20 00:00 GMT 35.9 141.9 -- 1,000 mb Tropical Depression --
      Jul 19 21:00 GMT 35.18 141.63 -- 1,001 mb Tropical Depression --
      Jul 19 18:00 GMT 34.4 141.5 -- 1,002 mb Tropical Depression --
      Jul 19 15:00 GMT 33.63 141.39 -- 1,001 mb Tropical Depression --
      Jul 19 12:00 GMT 32.9 141.3 -- 1,000 mb Tropical Depression --
      Jul 19 09:00 GMT 32.32 141.1 -- 1,000 mb Tropical Depression --
      Jul 19 06:00 GMT 31.6 141 -- 1,000 mb Tropical Depression --
      Jul 19 03:00 GMT 30.36 141.17 -- 995 mb Unknown --
      Jul 19 00:00 GMT 29.1 141.5 -- 990 mb Unknown --
      Jul 18 21:00 GMT 28.24 141.97 -- 990 mb Unknown --
      Jul 18 18:00 GMT 27.6 142.3 -- 990 mb Unknown --
      Jul 18 15:00 GMT 27.02 142.18 -- 992 mb Unknown --
      Jul 18 12:00 GMT 26.6 141.9 -- 994 mb Unknown --
      Jul 18 09:00 GMT 26.44 141.8 -- 995 mb Tropical Depression --
      Jul 18 06:00 GMT 26.2 141.6 -- 996 mb Tropical Depression --
      Jul 18 03:00 GMT 25.47 141.14 -- 998 mb Tropical Depression --
      Jul 18 00:00 GMT 24.7 140.6 -- 1,000 mb Tropical Depression --
      Jul 17 21:00 GMT 24.27 140.13 -- 1,001 mb Tropical Depression --
      Jul 17 18:00 GMT 24 139.7 -- 1,002 mb Tropical Depression --
      Jul 17 15:00 GMT 23.73 139.34 -- 1,002 mb Tropical Depression --
      Jul 17 12:00 GMT 23.5 139 -- 1,002 mb Tropical Depression --
      Jul 17 09:00 GMT 23.24 138.62 -- 1,002 mb Tropical Depression --
      Jul 17 06:00 GMT 23 138.2 -- 1,002 mb Tropical Depression --
      Jul 17 03:00 GMT 22.79 137.76 -- 1,002 mb Tropical Depression --
      Jul 17 00:00 GMT 22.6 137.3 -- 1,002 mb Tropical Depression --

      Learn more about Unnamed Tropical Depression and the 1955 Western Pacific hurricane season in our hurricane archive.

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      Level Access
      Glossary