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      Hurricane and Tropical Cyclones
      Category 4 Hurricane

      Hurricane Ione

      Storm Activity: Sep 11, 1948 - Sep 17, 1948

      Peak Wind
      140 mph
      Lowest Pressure
      925 mb
      Duration
      6 days
      Last Position
      40.3 N 146.3 E

      Storm Track

      Sep 11 – Sep 17
      Storm Category
      1. Tropical Depression < 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 Peak 130-156 mph
      7. Category 5 157+ mph

      Intensity

      Sustained wind at each observation
      Peak wind
      140 mph
      Peak category
      Category 4
      Lowest pressure
      925 mb

      Sep 17 · 00:00 GMT 60 mph -- Tropical Storm

      Storm Track Statistics
      Sep 17 00:00 GMT 40.3 146.3 60 mph -- Tropical Storm --
      Sep 17 00:00 GMT 40.3 146.3 60 mph -- Tropical Storm --
      Sep 17 00:00 GMT 40.3 146.3 60 mph -- Tropical Cyclone --
      Sep 17 00:00 GMT 40.3 146.3 60 mph 970 mb Unknown --
      Sep 16 21:00 GMT 39.55 144.93 60 mph -- Tropical Storm --
      Sep 16 21:00 GMT 39.42 144.95 65 mph -- Hurricane --
      Sep 16 21:00 GMT 39.55 144.93 60 mph -- Tropical Cyclone --
      Sep 16 21:00 GMT 39.55 144.93 60 mph 966 mb Unknown --
      Sep 16 18:00 GMT 38.7 143.6 60 mph -- Tropical Storm --
      Sep 16 18:00 GMT 38.53 143.64 70 mph -- Hurricane --
      Sep 16 18:00 GMT 38.7 143.6 60 mph -- Tropical Cyclone --
      Sep 16 18:00 GMT 38.7 143.6 60 mph 962 mb Unknown --
      Sep 16 15:00 GMT 37.71 142.32 70 mph -- Tropical Storm --
      Sep 16 15:00 GMT 37.62 142.35 75 mph -- Hurricane 1
      Sep 16 15:00 GMT 37.71 142.32 70 mph -- Tropical Cyclone --
      Sep 16 15:00 GMT 37.71 142.32 70 mph 958 mb Unknown --
      Sep 16 12:00 GMT 36.7 141.1 80 mph -- Typhoon 1
      Sep 16 12:00 GMT 36.7 141.1 80 mph -- Hurricane 1
      Sep 16 12:00 GMT 36.7 141.1 80 mph -- Tropical Cyclone 1
      Sep 16 12:00 GMT 36.7 141.1 80 mph 954 mb Unknown 1
      Sep 16 09:00 GMT 35.78 139.89 85 mph -- Typhoon 1
      Sep 16 09:00 GMT 35.77 139.89 85 mph -- Hurricane 1
      Sep 16 09:00 GMT 35.78 139.89 85 mph -- Tropical Cyclone 1
      Sep 16 09:00 GMT 35.78 139.89 85 mph 951 mb Unknown 1
      Sep 16 06:00 GMT 34.9 138.8 90 mph -- Typhoon 1
      Sep 16 06:00 GMT 34.84 138.77 90 mph -- Hurricane 1
      Sep 16 06:00 GMT 34.9 138.8 90 mph -- Tropical Cyclone 1
      Sep 16 06:00 GMT 34.9 138.8 90 mph 948 mb Unknown 1
      Sep 16 03:00 GMT 33.95 137.82 100 mph -- Typhoon 2
      Sep 16 03:00 GMT 33.94 137.82 100 mph -- Hurricane 2
      Sep 16 03:00 GMT 33.95 137.82 100 mph -- Tropical Cyclone 2
      Sep 16 03:00 GMT 33.95 137.82 100 mph 945 mb Unknown 2
      Sep 16 00:00 GMT 33.1 137.1 105 mph -- Typhoon 2
      Sep 16 00:00 GMT 33.1 137.1 105 mph -- Hurricane 2
      Sep 16 00:00 GMT 33.1 137.1 105 mph -- Tropical Cyclone 2
      Sep 16 00:00 GMT 33.1 137.1 105 mph 942 mb Unknown 2
      Sep 15 21:00 GMT 32.48 136.69 105 mph -- Typhoon 2
      Sep 15 21:00 GMT 32.34 136.62 105 mph -- Hurricane 2
      Sep 15 21:00 GMT 32.48 136.69 105 mph -- Tropical Cyclone 2
      Sep 15 21:00 GMT 32.48 136.69 105 mph 940 mb Unknown 2
      Sep 15 18:00 GMT 31.9 136.5 105 mph -- Typhoon 2
      Sep 15 18:00 GMT 31.64 136.37 105 mph -- Hurricane 2
      Sep 15 18:00 GMT 31.9 136.5 105 mph -- Tropical Cyclone 2
      Sep 15 18:00 GMT 31.9 136.5 105 mph 938 mb Unknown 2
      Sep 15 15:00 GMT 31.14 136.34 105 mph -- Typhoon 2
      Sep 15 15:00 GMT 30.97 136.28 105 mph -- Hurricane 2
      Sep 15 15:00 GMT 31.14 136.34 105 mph -- Tropical Cyclone 2
      Sep 15 15:00 GMT 31.14 136.34 105 mph 936 mb Unknown 2
      Sep 15 12:00 GMT 30.3 136.3 105 mph -- Typhoon 2
      Sep 15 12:00 GMT 30.3 136.3 105 mph -- Hurricane 2
      Sep 15 12:00 GMT 30.3 136.3 105 mph -- Tropical Cyclone 2
      Sep 15 12:00 GMT 30.3 136.3 105 mph 934 mb Unknown 2
      Sep 15 09:00 GMT 29.42 136.36 105 mph -- Typhoon 2
      Sep 15 09:00 GMT 29.57 136.31 110 mph -- Hurricane 2
      Sep 15 09:00 GMT 29.42 136.36 105 mph -- Tropical Cyclone 2
      Sep 15 09:00 GMT 29.42 136.36 105 mph 932 mb Unknown 2
      Sep 15 06:00 GMT 28.6 136.5 105 mph -- Typhoon 2
      Sep 15 06:00 GMT 28.83 136.41 115 mph -- Hurricane 3
      Sep 15 06:00 GMT 28.6 136.5 105 mph -- Tropical Cyclone 2
      Sep 15 06:00 GMT 28.6 136.5 105 mph 931 mb Unknown 2
      Sep 15 03:00 GMT 27.96 136.66 115 mph -- Typhoon 3
      Sep 15 03:00 GMT 28.1 136.61 120 mph -- Hurricane 3
      Sep 15 03:00 GMT 27.96 136.66 115 mph -- Tropical Cyclone 3
      Sep 15 03:00 GMT 27.96 136.66 115 mph 929 mb Unknown 3
      Sep 15 00:00 GMT 27.4 136.9 125 mph -- Typhoon 3
      Sep 15 00:00 GMT 27.4 136.9 125 mph -- Hurricane 3
      Sep 15 00:00 GMT 27.4 136.9 125 mph -- Tropical Cyclone 3
      Sep 15 00:00 GMT 27.4 136.9 125 mph 928 mb Unknown 3
      Sep 14 21:00 GMT 26.81 137.21 130 mph -- Typhoon 4
      Sep 14 21:00 GMT 26.73 137.23 130 mph -- Hurricane 3
      Sep 14 21:00 GMT 26.81 137.21 130 mph -- Tropical Cyclone 4
      Sep 14 21:00 GMT 26.81 137.21 130 mph 926 mb Unknown 4
      Sep 14 18:00 GMT 26.2 137.6 140 mph -- Typhoon 4
      Sep 14 18:00 GMT 26.1 137.64 130 mph -- Hurricane 4
      Sep 14 18:00 GMT 26.2 137.6 140 mph -- Tropical Cyclone 4
      Sep 14 18:00 GMT 26.2 137.6 140 mph 925 mb Unknown 4
      Sep 14 15:00 GMT 25.54 138.08 140 mph -- Typhoon 4
      Sep 14 15:00 GMT 25.49 138.1 135 mph -- Hurricane 4
      Sep 14 15:00 GMT 25.54 138.08 140 mph -- Tropical Cyclone 4
      Sep 14 15:00 GMT 25.54 138.08 140 mph 925 mb Unknown 4
      Sep 14 12:00 GMT 24.9 138.6 140 mph -- Typhoon 4
      Sep 14 12:00 GMT 24.9 138.6 140 mph -- Hurricane 4
      Sep 14 12:00 GMT 24.9 138.6 140 mph -- Tropical Cyclone 4
      Sep 14 12:00 GMT 24.9 138.6 140 mph 926 mb Unknown 4
      Sep 14 09:00 GMT 24.33 139.09 125 mph -- Typhoon 3
      Sep 14 09:00 GMT 24.32 139.1 130 mph -- Hurricane 3
      Sep 14 09:00 GMT 24.33 139.09 125 mph -- Tropical Cyclone 3
      Sep 14 09:00 GMT 24.33 139.09 125 mph 930 mb Unknown 3
      Sep 14 06:00 GMT 23.8 139.6 115 mph -- Typhoon 3
      Sep 14 06:00 GMT 23.76 139.63 120 mph -- Hurricane 3
      Sep 14 06:00 GMT 23.8 139.6 115 mph -- Tropical Cyclone 3
      Sep 14 06:00 GMT 23.8 139.6 115 mph 935 mb Unknown 3
      Sep 14 03:00 GMT 23.25 140.16 110 mph -- Typhoon 2
      Sep 14 03:00 GMT 23.22 140.17 110 mph -- Hurricane 3
      Sep 14 03:00 GMT 23.25 140.16 110 mph -- Tropical Cyclone 2
      Sep 14 03:00 GMT 23.25 140.16 110 mph 939 mb Unknown 2
      Sep 14 00:00 GMT 22.7 140.7 105 mph -- Typhoon 2
      Sep 14 00:00 GMT 22.7 140.7 105 mph -- Hurricane 2
      Sep 14 00:00 GMT 22.7 140.7 105 mph -- Tropical Cyclone 2
      Sep 14 00:00 GMT 22.7 140.7 105 mph 944 mb Unknown 2
      Sep 13 21:00 GMT 22.13 141.15 100 mph -- Typhoon 2
      Sep 13 21:00 GMT 22.18 141.19 100 mph -- Hurricane 2
      Sep 13 21:00 GMT 22.13 141.15 100 mph -- Tropical Cyclone 2
      Sep 13 21:00 GMT 22.13 141.15 100 mph 948 mb Unknown 2
      Sep 13 18:00 GMT 21.6 141.6 90 mph -- Typhoon 1
      Sep 13 18:00 GMT 21.68 141.68 95 mph -- Hurricane 1
      Sep 13 18:00 GMT 21.6 141.6 90 mph -- Tropical Cyclone 1
      Sep 13 18:00 GMT 21.6 141.6 90 mph 953 mb Unknown 1
      Sep 13 15:00 GMT 21.14 142.14 90 mph -- Typhoon 1
      Sep 13 15:00 GMT 21.19 142.18 90 mph -- Hurricane 1
      Sep 13 15:00 GMT 21.14 142.14 90 mph -- Tropical Cyclone 1
      Sep 13 15:00 GMT 21.14 142.14 90 mph 957 mb Unknown 1
      Sep 13 12:00 GMT 20.7 142.7 85 mph -- Typhoon 1
      Sep 13 12:00 GMT 20.7 142.7 85 mph -- Hurricane 1
      Sep 13 12:00 GMT 20.7 142.7 85 mph -- Tropical Cyclone 1
      Sep 13 12:00 GMT 20.7 142.7 85 mph 962 mb Unknown 1
      Sep 13 09:00 GMT 20.21 143.24 80 mph -- Typhoon 1
      Sep 13 09:00 GMT 20.2 143.25 85 mph -- Hurricane 1
      Sep 13 09:00 GMT 20.21 143.24 80 mph -- Tropical Cyclone 1
      Sep 13 09:00 GMT 20.21 143.24 80 mph 965 mb Unknown 1
      Sep 13 06:00 GMT 19.7 143.8 75 mph -- Typhoon 1
      Sep 13 06:00 GMT 19.71 143.82 80 mph -- Hurricane 1
      Sep 13 06:00 GMT 19.7 143.8 75 mph -- Tropical Cyclone 1
      Sep 13 06:00 GMT 19.7 143.8 75 mph 969 mb Unknown 1
      Sep 13 03:00 GMT 19.19 144.4 75 mph -- Typhoon 1
      Sep 13 03:00 GMT 19.21 144.41 75 mph -- Hurricane 1
      Sep 13 03:00 GMT 19.19 144.4 75 mph -- Tropical Cyclone 1
      Sep 13 03:00 GMT 19.19 144.4 75 mph 971 mb Unknown 1
      Sep 13 00:00 GMT 18.7 145 75 mph -- Typhoon 1
      Sep 13 00:00 GMT 18.7 145 75 mph -- Hurricane 1
      Sep 13 00:00 GMT 18.7 145 75 mph -- Tropical Cyclone 1
      Sep 13 00:00 GMT 18.7 145 75 mph 974 mb Unknown 1
      Sep 12 21:00 GMT 18.26 145.54 70 mph -- Tropical Storm --
      Sep 12 21:00 GMT 18.16 145.58 70 mph -- Tropical Storm --
      Sep 12 21:00 GMT 18.26 145.54 70 mph -- Tropical Cyclone --
      Sep 12 21:00 GMT 18.26 145.54 70 mph 976 mb Unknown --
      Sep 12 18:00 GMT 17.8 146.1 70 mph -- Tropical Storm --
      Sep 12 18:00 GMT 17.62 146.18 70 mph -- Tropical Storm --
      Sep 12 18:00 GMT 17.8 146.1 70 mph -- Tropical Cyclone --
      Sep 12 18:00 GMT 17.8 146.1 70 mph 979 mb Unknown --
      Sep 12 15:00 GMT 17.2 146.74 70 mph -- Tropical Storm --
      Sep 12 15:00 GMT 17.09 146.78 70 mph -- Tropical Storm --
      Sep 12 15:00 GMT 17.2 146.74 70 mph -- Tropical Cyclone --
      Sep 12 15:00 GMT 17.2 146.74 70 mph 980 mb Unknown --
      Sep 12 12:00 GMT 16.6 147.4 70 mph -- Tropical Storm --
      Sep 12 12:00 GMT 16.6 147.4 70 mph -- Tropical Storm --
      Sep 12 12:00 GMT 16.6 147.4 70 mph -- Tropical Cyclone --
      Sep 12 12:00 GMT 16.6 147.4 70 mph 982 mb Unknown --
      Sep 12 09:00 GMT 16.11 148.05 65 mph -- Tropical Storm --
      Sep 12 09:00 GMT 16.13 147.99 65 mph -- Tropical Storm --
      Sep 12 09:00 GMT 16.11 148.05 65 mph -- Tropical Cyclone --
      Sep 12 09:00 GMT 16.11 148.05 65 mph 983 mb Unknown --
      Sep 12 06:00 GMT 15.7 148.7 65 mph -- Tropical Storm --
      Sep 12 06:00 GMT 15.69 148.61 65 mph -- Tropical Storm --
      Sep 12 06:00 GMT 15.7 148.7 65 mph -- Tropical Cyclone --
      Sep 12 06:00 GMT 15.7 148.7 65 mph 985 mb Unknown --
      Sep 12 03:00 GMT 15.31 149.32 60 mph -- Tropical Storm --
      Sep 12 03:00 GMT 15.31 149.27 60 mph -- Tropical Storm --
      Sep 12 03:00 GMT 15.31 149.32 60 mph -- Tropical Cyclone --
      Sep 12 03:00 GMT 15.31 149.32 60 mph 986 mb Unknown --
      Sep 12 00:00 GMT 15 150 60 mph -- Tropical Storm --
      Sep 12 00:00 GMT 15 150 60 mph -- Tropical Storm --
      Sep 12 00:00 GMT 15 150 60 mph -- Tropical Cyclone --
      Sep 12 00:00 GMT 15 150 60 mph 988 mb Unknown --
      Sep 11 21:00 GMT 14.77 150.81 55 mph -- Tropical Storm --
      Sep 11 21:00 GMT 14.76 150.82 55 mph -- Tropical Storm --
      Sep 11 21:00 GMT 14.77 150.81 55 mph -- Tropical Cyclone --
      Sep 11 21:00 GMT 14.77 150.81 55 mph 989 mb Unknown --
      Sep 11 18:00 GMT 14.6 151.7 50 mph -- Tropical Storm --
      Sep 11 18:00 GMT 14.58 151.71 50 mph -- Tropical Storm --
      Sep 11 18:00 GMT 14.6 151.7 50 mph -- Tropical Cyclone --
      Sep 11 18:00 GMT 14.6 151.7 50 mph 991 mb Unknown --
      Sep 11 15:00 GMT 14.42 152.67 50 mph -- Tropical Storm --
      Sep 11 15:00 GMT 14.43 152.64 50 mph -- Tropical Storm --
      Sep 11 15:00 GMT 14.42 152.67 50 mph -- Tropical Cyclone --
      Sep 11 15:00 GMT 14.42 152.67 50 mph 992 mb Unknown --
      Sep 11 12:00 GMT 14.3 153.6 45 mph -- Tropical Storm --
      Sep 11 12:00 GMT 14.3 153.6 45 mph -- Tropical Storm --
      Sep 11 12:00 GMT 14.3 153.6 45 mph -- Tropical Cyclone --
      Sep 11 12:00 GMT 14.3 153.6 45 mph 993 mb Unknown --
      Sep 11 09:00 GMT 14.27 154.36 45 mph -- Tropical Storm --
      Sep 11 09:00 GMT 14.27 154.36 45 mph -- Tropical Cyclone --
      Sep 11 09:00 GMT 14.27 154.36 45 mph 994 mb Unknown --
      Sep 11 06:00 GMT 14.3 155 45 mph -- Tropical Storm --
      Sep 11 06:00 GMT 14.3 155 45 mph -- Tropical Cyclone --
      Sep 11 06:00 GMT 14.3 155 45 mph 996 mb Unknown --

      Learn more about Hurricane Ione and the 1948 Western Pacific hurricane season in our hurricane archive.

      View All Hurricanes and Tropical Cyclones
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