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      Hurricane and Tropical Cyclones
      Category 1 Typhoon

      Typhoon Ivy

      Storm Activity: Oct 18, 1977 - Oct 27, 1977

      Peak Wind
      90 mph
      Lowest Pressure
      940 mb
      Duration
      10 days
      Last Position
      47.3 N 178.59 W

      Storm Track

      Oct 18 – Oct 27
      Storm Category
      1. Tropical Depression < 39 mph
      2. Tropical Storm 39-73 mph
      3. Category 1 Peak 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
      90 mph
      Peak category
      Category 1
      Lowest pressure
      940 mb

      Oct 27 · 15:00 GMT -- 984 mb Extratropical

      Storm Track Statistics
      Oct 27 15:00 GMT 47.3 -178.59 -- 984 mb Extratropical --
      Oct 27 12:00 GMT 46 178.1 -- 984 mb Extratropical --
      Oct 27 09:00 GMT 44.62 175.07 -- 982 mb Extratropical --
      Oct 27 06:00 GMT 43 172 -- 980 mb Extratropical --
      Oct 27 03:00 GMT 40.95 168.44 -- 972 mb Severe Tropical Storm --
      Oct 27 00:00 GMT 38.7 165.2 60 mph 965 mb Severe Tropical Storm --
      Oct 26 21:00 GMT 36.49 162.82 70 mph 960 mb Typhoon --
      Oct 26 18:00 GMT 34.5 161 80 mph 955 mb Typhoon 1
      Oct 26 15:00 GMT 32.83 159.38 85 mph 952 mb Typhoon 1
      Oct 26 12:00 GMT 31.6 158.2 85 mph 950 mb Typhoon 1
      Oct 26 09:00 GMT 30.81 157.5 85 mph 947 mb Typhoon 1
      Oct 26 06:00 GMT 30.3 157.1 85 mph 945 mb Typhoon 1
      Oct 26 03:00 GMT 29.78 156.72 85 mph 945 mb Typhoon 1
      Oct 26 00:00 GMT 29.3 156.4 85 mph 945 mb Typhoon 1
      Oct 25 21:00 GMT 28.74 156.04 90 mph 942 mb Typhoon 1
      Oct 25 18:00 GMT 28.2 155.7 90 mph 940 mb Typhoon 1
      Oct 25 15:00 GMT 27.73 155.44 90 mph 940 mb Typhoon 1
      Oct 25 12:00 GMT 27.3 155.2 90 mph 940 mb Typhoon 1
      Oct 25 09:00 GMT 26.93 154.91 90 mph 942 mb Typhoon 1
      Oct 25 06:00 GMT 26.5 154.6 90 mph 945 mb Typhoon 1
      Oct 25 03:00 GMT 25.87 154.29 90 mph 947 mb Typhoon 1
      Oct 25 00:00 GMT 25.2 154 90 mph 950 mb Typhoon 1
      Oct 24 21:00 GMT 24.7 153.77 85 mph 950 mb Typhoon 1
      Oct 24 18:00 GMT 24.2 153.5 80 mph 950 mb Typhoon 1
      Oct 24 15:00 GMT 23.56 153.15 80 mph 952 mb Typhoon 1
      Oct 24 12:00 GMT 22.9 152.7 80 mph 955 mb Typhoon 1
      Oct 24 09:00 GMT 22.31 152.19 80 mph 957 mb Typhoon 1
      Oct 24 06:00 GMT 21.8 151.6 80 mph 960 mb Typhoon 1
      Oct 24 03:00 GMT 21.37 150.97 75 mph 962 mb Typhoon 1
      Oct 24 00:00 GMT 21 150.3 75 mph 965 mb Typhoon 1
      Oct 23 21:00 GMT 20.67 149.59 70 mph 965 mb Severe Tropical Storm --
      Oct 23 18:00 GMT 20.3 148.9 70 mph 965 mb Severe Tropical Storm --
      Oct 23 15:00 GMT 19.83 148.31 70 mph 967 mb Severe Tropical Storm --
      Oct 23 12:00 GMT 19.3 147.8 70 mph 970 mb Severe Tropical Storm --
      Oct 23 09:00 GMT 18.72 147.35 65 mph 972 mb Severe Tropical Storm --
      Oct 23 06:00 GMT 18.2 147 65 mph 975 mb Severe Tropical Storm --
      Oct 23 03:00 GMT 17.85 146.76 60 mph 977 mb Severe Tropical Storm --
      Oct 23 00:00 GMT 17.6 146.6 60 mph 980 mb Severe Tropical Storm --
      Oct 22 21:00 GMT 17.38 146.46 55 mph 980 mb Tropical Storm --
      Oct 22 18:00 GMT 17.2 146.3 50 mph 980 mb Tropical Storm --
      Oct 22 15:00 GMT 16.95 146.06 50 mph 982 mb Tropical Storm --
      Oct 22 12:00 GMT 16.8 145.8 45 mph 985 mb Tropical Storm --
      Oct 22 09:00 GMT 16.89 145.53 45 mph 987 mb Tropical Storm --
      Oct 22 06:00 GMT 17.1 145.4 45 mph 990 mb Tropical Storm --
      Oct 22 03:00 GMT 17.34 145.5 -- 990 mb Tropical Depression --
      Oct 22 00:00 GMT 17.5 145.8 -- 990 mb Tropical Depression --
      Oct 21 21:00 GMT 17.41 146.25 -- 993 mb Tropical Depression --
      Oct 21 18:00 GMT 17.2 146.7 -- 996 mb Tropical Depression --
      Oct 21 15:00 GMT 17.01 146.95 -- 997 mb Tropical Depression --
      Oct 21 12:00 GMT 16.8 147.1 -- 998 mb Tropical Depression --
      Oct 21 09:00 GMT 16.54 147.22 -- 998 mb Tropical Depression --
      Oct 21 06:00 GMT 16.3 147.3 -- 998 mb Tropical Depression --
      Oct 21 03:00 GMT 16.14 147.37 -- 998 mb Tropical Depression --
      Oct 21 00:00 GMT 16 147.4 -- 998 mb Tropical Depression --
      Oct 20 21:00 GMT 15.87 147.43 -- 999 mb Tropical Depression --
      Oct 20 18:00 GMT 15.7 147.4 -- 1,000 mb Tropical Depression --
      Oct 20 15:00 GMT 15.42 147.3 -- 1,000 mb Tropical Depression --
      Oct 20 12:00 GMT 15.1 147.1 -- 1,000 mb Tropical Depression --
      Oct 20 09:00 GMT 14.79 146.76 -- 1,001 mb Tropical Depression --
      Oct 20 06:00 GMT 14.5 146.4 -- 1,002 mb Tropical Depression --
      Oct 20 03:00 GMT 14.26 146.17 -- 1,003 mb Tropical Depression --
      Oct 20 00:00 GMT 14 146 -- 1,004 mb Tropical Depression --
      Oct 19 21:00 GMT 13.67 145.84 -- 1,004 mb Tropical Depression --
      Oct 19 18:00 GMT 13.3 145.7 -- 1,004 mb Tropical Depression --
      Oct 19 15:00 GMT 12.93 145.54 -- 1,004 mb Tropical Depression --
      Oct 19 12:00 GMT 12.5 145.4 -- 1,004 mb Tropical Depression --
      Oct 19 09:00 GMT 11.96 145.31 -- 1,004 mb Tropical Depression --
      Oct 19 06:00 GMT 11.4 145.3 -- 1,004 mb Tropical Depression --
      Oct 19 03:00 GMT 10.94 145.37 -- 1,004 mb Tropical Depression --
      Oct 19 00:00 GMT 10.5 145.5 -- 1,004 mb Tropical Depression --
      Oct 18 21:00 GMT 10 145.61 -- 1,005 mb Tropical Depression --
      Oct 18 18:00 GMT 9.5 145.8 -- 1,006 mb Tropical Depression --
      Oct 18 15:00 GMT 9.04 146.11 -- 1,006 mb Tropical Depression --
      Oct 18 12:00 GMT 8.6 146.5 -- 1,006 mb Tropical Depression --
      Oct 18 09:00 GMT 8.14 146.9 -- 1,006 mb Tropical Depression --
      Oct 18 06:00 GMT 7.7 147.3 -- 1,006 mb Tropical Depression --
      Oct 18 03:00 GMT 7.33 147.66 -- 1,007 mb Tropical Depression --
      Oct 18 00:00 GMT 7 148 -- 1,008 mb Tropical Depression --

      Learn more about Typhoon Ivy and the 1977 Central Pacific hurricane season in our hurricane archive.

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