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      Hurricane and Tropical Cyclones

      Tropical Depression

      Tropical Depression Iris

      Storm Activity: Oct 2, 1970 - Oct 8, 1970

      Peak Wind
      --
      Lowest Pressure
      960 mb
      Duration
      7 days
      Last Position
      21.5 N 116.6 E

      Storm Track

      Oct 2 – Oct 8
      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
      960 mb

      Oct 8 · 18:00 GMT -- 1,006 mb Tropical Depression

      Storm Track Statistics

      Oct 8 18:00 GMT 21.5 116.6 -- 1,006 mb Tropical Depression --
      Oct 8 15:00 GMT 21.51 116.46 -- 1,005 mb Tropical Depression --
      Oct 8 12:00 GMT 21.5 116.3 -- 1,004 mb Tropical Depression --
      Oct 8 09:00 GMT 21.46 116.12 -- 1,003 mb Tropical Depression --
      Oct 8 06:00 GMT 21.4 115.9 -- 1,002 mb Tropical Depression --
      Oct 8 03:00 GMT 21.35 115.65 -- 997 mb Unknown --
      Oct 8 00:00 GMT 21.3 115.4 -- 992 mb Unknown --
      Oct 7 21:00 GMT 21.25 115.17 -- 991 mb Unknown --
      Oct 7 18:00 GMT 21.2 115 -- 990 mb Unknown --
      Oct 7 15:00 GMT 21.16 114.93 -- 985 mb Unknown --
      Oct 7 12:00 GMT 21.1 114.9 -- 980 mb Unknown --
      Oct 7 09:00 GMT 21.02 114.87 -- 980 mb Unknown --
      Oct 7 06:00 GMT 20.9 114.8 -- 980 mb Unknown --
      Oct 7 03:00 GMT 20.69 114.65 -- 977 mb Unknown --
      Oct 7 00:00 GMT 20.5 114.5 -- 975 mb Unknown --
      Oct 6 21:00 GMT 20.5 114.44 -- 972 mb Unknown --
      Oct 6 18:00 GMT 20.5 114.4 -- 970 mb Unknown --
      Oct 6 15:00 GMT 20.32 114.32 -- 967 mb Unknown --
      Oct 6 12:00 GMT 20.1 114.2 -- 965 mb Unknown --
      Oct 6 09:00 GMT 20.01 114.03 -- 962 mb Unknown --
      Oct 6 06:00 GMT 19.9 113.8 -- 960 mb Unknown --
      Oct 6 03:00 GMT 19.69 113.49 -- 962 mb Unknown --
      Oct 6 00:00 GMT 19.4 113.2 -- 965 mb Unknown --
      Oct 5 21:00 GMT 19.06 113.06 -- 965 mb Unknown --
      Oct 5 18:00 GMT 18.7 113 -- 965 mb Unknown --
      Oct 5 15:00 GMT 18.39 113.02 -- 967 mb Unknown --
      Oct 5 12:00 GMT 18.1 113 -- 970 mb Unknown --
      Oct 5 09:00 GMT 17.84 112.84 -- 972 mb Unknown --
      Oct 5 06:00 GMT 17.6 112.6 -- 975 mb Unknown --
      Oct 5 03:00 GMT 17.42 112.36 -- 977 mb Unknown --
      Oct 5 00:00 GMT 17.2 112.1 -- 980 mb Unknown --
      Oct 4 21:00 GMT 16.86 111.82 -- 985 mb Unknown --
      Oct 4 18:00 GMT 16.5 111.6 -- 990 mb Unknown --
      Oct 4 15:00 GMT 16.23 111.51 -- 990 mb Unknown --
      Oct 4 12:00 GMT 16 111.5 -- 990 mb Unknown --
      Oct 4 09:00 GMT 15.79 111.49 -- 990 mb Unknown --
      Oct 4 06:00 GMT 15.6 111.5 -- 990 mb Unknown --
      Oct 4 03:00 GMT 15.41 111.49 -- 990 mb Unknown --
      Oct 4 00:00 GMT 15.2 111.5 -- 990 mb Unknown --
      Oct 3 21:00 GMT 14.94 111.54 -- 995 mb Tropical Depression --
      Oct 3 18:00 GMT 14.7 111.6 -- 1,000 mb Tropical Depression --
      Oct 3 15:00 GMT 14.55 111.64 -- 1,001 mb Tropical Depression --
      Oct 3 12:00 GMT 14.4 111.7 -- 1,002 mb Tropical Depression --
      Oct 3 09:00 GMT 14.2 111.81 -- 1,004 mb Tropical Depression --
      Oct 3 06:00 GMT 13.9 111.9 -- 1,006 mb Tropical Depression --
      Oct 3 03:00 GMT 13.47 111.92 -- 1,006 mb Tropical Depression --
      Oct 3 00:00 GMT 13 111.9 -- 1,006 mb Tropical Depression --
      Oct 2 21:00 GMT 12.64 111.87 -- 1,006 mb Tropical Depression --
      Oct 2 18:00 GMT 12.3 111.8 -- 1,006 mb Tropical Depression --
      Oct 2 15:00 GMT 11.92 111.66 -- 1,006 mb Tropical Depression --
      Oct 2 12:00 GMT 11.6 111.6 -- 1,006 mb Tropical Depression --
      Oct 2 09:00 GMT 11.38 111.76 -- 1,006 mb Tropical Depression --
      Oct 2 06:00 GMT 11.3 112 -- 1,006 mb Tropical Depression --
      Oct 2 03:00 GMT 11.36 112.18 -- 1,007 mb Tropical Depression --
      Oct 2 00:00 GMT 11.5 112.3 -- 1,008 mb Tropical Depression --

      Learn more about Tropical Depression Iris and the 1970 Western Pacific hurricane season in our hurricane archive.

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      Level Access
      Glossary