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      Hurricane and Tropical Cyclones
      Category 1 Typhoon

      Typhoon Mac

      Storm Activity: Jul 30, 1989 - Aug 10, 1989

      Peak Wind
      90 mph
      Lowest Pressure
      950 mb
      Duration
      12 days
      Last Position
      55.12 N 179.23 E

      Storm Track

      Jul 30 – Aug 10
      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
      950 mb

      Aug 10 · 21:00 GMT -- 991 mb Extratropical

      Storm Track Statistics
      Aug 10 21:00 GMT 55.12 179.23 -- 991 mb Extratropical --
      Aug 10 18:00 GMT 55 176 -- 990 mb Extratropical --
      Aug 10 15:00 GMT 54.52 172.24 -- 991 mb Extratropical --
      Aug 10 12:00 GMT 54 169 -- 992 mb Extratropical --
      Aug 10 09:00 GMT 53.98 167.23 -- 989 mb Extratropical --
      Aug 10 06:00 GMT 54 166 -- 986 mb Extratropical --
      Aug 10 03:00 GMT 53.53 164.68 -- 986 mb Extratropical --
      Aug 10 00:00 GMT 53 163 -- 986 mb Extratropical --
      Aug 9 21:00 GMT 52.72 160.33 -- 988 mb Extratropical --
      Aug 9 18:00 GMT 52.5 157.5 -- 990 mb Extratropical --
      Aug 9 15:00 GMT 52.28 155.44 -- 990 mb Extratropical --
      Aug 9 12:00 GMT 52 153.5 -- 990 mb Extratropical --
      Aug 9 09:00 GMT 51.54 151.21 -- 992 mb Extratropical --
      Aug 9 06:00 GMT 51 149 -- 994 mb Extratropical --
      Aug 9 03:00 GMT 50.5 147.03 -- 994 mb Extratropical --
      Aug 9 00:00 GMT 50 145.5 -- 994 mb Extratropical --
      Aug 8 21:00 GMT 49.59 144.89 -- 994 mb Extratropical --
      Aug 8 18:00 GMT 49 144 -- 994 mb Extratropical --
      Aug 8 15:00 GMT 48 142 -- 994 mb Extratropical --
      Aug 8 12:00 GMT 47 141 -- 996 mb Tropical Depression --
      Aug 8 09:00 GMT 46.4 140.2 -- 996 mb Tropical Depression --
      Aug 8 06:00 GMT 46 139.5 -- 996 mb Tropical Depression --
      Aug 8 03:00 GMT 45.54 138.71 -- 996 mb Tropical Depression --
      Aug 8 00:00 GMT 45 138 -- 996 mb Tropical Depression --
      Aug 7 21:00 GMT 44.26 137.39 -- 996 mb Tropical Depression --
      Aug 7 18:00 GMT 43.5 137 -- 996 mb Tropical Depression --
      Aug 7 15:00 GMT 42.85 136.89 -- 995 mb Tropical Storm --
      Aug 7 12:00 GMT 42.3 137 40 mph 994 mb Tropical Storm --
      Aug 7 09:00 GMT 41.87 137.21 45 mph 993 mb Tropical Storm --
      Aug 7 06:00 GMT 41.5 137.5 45 mph 992 mb Tropical Storm --
      Aug 7 03:00 GMT 41.14 137.73 50 mph 991 mb Tropical Storm --
      Aug 7 00:00 GMT 40.7 138 50 mph 990 mb Tropical Storm --
      Aug 6 21:00 GMT 40.07 138.32 55 mph 987 mb Severe Tropical Storm --
      Aug 6 18:00 GMT 39.3 138.7 60 mph 985 mb Severe Tropical Storm --
      Aug 6 15:00 GMT 38.49 139.11 60 mph 982 mb Severe Tropical Storm --
      Aug 6 12:00 GMT 37.6 139.6 60 mph 980 mb Severe Tropical Storm --
      Aug 6 09:00 GMT 36.63 140.18 65 mph 975 mb Severe Tropical Storm --
      Aug 6 06:00 GMT 35.7 140.8 70 mph 970 mb Severe Tropical Storm --
      Aug 6 03:00 GMT 34.99 141.42 75 mph 967 mb Typhoon 1
      Aug 6 00:00 GMT 34.3 142 80 mph 965 mb Typhoon 1
      Aug 5 21:00 GMT 33.49 142.49 85 mph 962 mb Typhoon 1
      Aug 5 18:00 GMT 32.6 142.9 85 mph 960 mb Typhoon 1
      Aug 5 15:00 GMT 31.64 143.3 85 mph 957 mb Typhoon 1
      Aug 5 12:00 GMT 30.7 143.6 85 mph 955 mb Typhoon 1
      Aug 5 09:00 GMT 29.91 143.78 90 mph 952 mb Typhoon 1
      Aug 5 06:00 GMT 29.2 143.9 90 mph 950 mb Typhoon 1
      Aug 5 03:00 GMT 28.45 144.07 90 mph 950 mb Typhoon 1
      Aug 5 00:00 GMT 27.8 144.2 90 mph 950 mb Typhoon 1
      Aug 4 21:00 GMT 27.33 144.27 90 mph 950 mb Typhoon 1
      Aug 4 18:00 GMT 27 144.3 90 mph 950 mb Typhoon 1
      Aug 4 15:00 GMT 26.7 144.35 90 mph 950 mb Typhoon 1
      Aug 4 12:00 GMT 26.5 144.4 90 mph 950 mb Typhoon 1
      Aug 4 09:00 GMT 26.41 144.43 90 mph 950 mb Typhoon 1
      Aug 4 06:00 GMT 26.4 144.5 90 mph 950 mb Typhoon 1
      Aug 4 03:00 GMT 26.39 144.69 90 mph 952 mb Typhoon 1
      Aug 4 00:00 GMT 26.4 144.9 85 mph 955 mb Typhoon 1
      Aug 3 21:00 GMT 26.43 145 85 mph 955 mb Typhoon 1
      Aug 3 18:00 GMT 26.5 145.1 85 mph 955 mb Typhoon 1
      Aug 3 15:00 GMT 26.64 145.26 85 mph 955 mb Typhoon 1
      Aug 3 12:00 GMT 26.8 145.5 85 mph 955 mb Typhoon 1
      Aug 3 09:00 GMT 26.92 145.81 85 mph 960 mb Typhoon 1
      Aug 3 06:00 GMT 27 146.2 80 mph 965 mb Typhoon 1
      Aug 3 03:00 GMT 27.04 146.66 75 mph 967 mb Severe Tropical Storm 1
      Aug 3 00:00 GMT 27 147.2 70 mph 970 mb Severe Tropical Storm --
      Aug 2 21:00 GMT 26.92 147.85 70 mph 972 mb Severe Tropical Storm --
      Aug 2 18:00 GMT 26.7 148.5 70 mph 975 mb Severe Tropical Storm --
      Aug 2 15:00 GMT 26.29 149.08 70 mph 975 mb Severe Tropical Storm --
      Aug 2 12:00 GMT 25.8 149.5 70 mph 975 mb Severe Tropical Storm --
      Aug 2 09:00 GMT 25.38 149.65 70 mph 975 mb Severe Tropical Storm --
      Aug 2 06:00 GMT 25 149.7 70 mph 975 mb Severe Tropical Storm --
      Aug 2 03:00 GMT 24.63 149.82 65 mph 977 mb Severe Tropical Storm --
      Aug 2 00:00 GMT 24.3 150 65 mph 980 mb Severe Tropical Storm --
      Aug 1 21:00 GMT 24.04 150.29 65 mph 980 mb Severe Tropical Storm --
      Aug 1 18:00 GMT 23.8 150.6 65 mph 980 mb Severe Tropical Storm --
      Aug 1 15:00 GMT 23.54 150.83 60 mph 982 mb Severe Tropical Storm --
      Aug 1 12:00 GMT 23.2 151 60 mph 985 mb Severe Tropical Storm --
      Aug 1 09:00 GMT 22.71 151.13 55 mph 987 mb Tropical Storm --
      Aug 1 06:00 GMT 22.2 151.2 50 mph 990 mb Tropical Storm --
      Aug 1 03:00 GMT 21.81 151.22 50 mph 991 mb Tropical Storm --
      Aug 1 00:00 GMT 21.5 151.2 50 mph 992 mb Tropical Storm --
      Jul 31 21:00 GMT 21.26 151.18 50 mph 992 mb Tropical Storm --
      Jul 31 18:00 GMT 21 151.2 50 mph 992 mb Tropical Storm --
      Jul 31 15:00 GMT 20.62 151.35 50 mph 993 mb Tropical Storm --
      Jul 31 12:00 GMT 20.2 151.5 45 mph 994 mb Tropical Storm --
      Jul 31 09:00 GMT 19.75 151.56 45 mph 995 mb Tropical Storm --
      Jul 31 06:00 GMT 19.5 151.5 45 mph 996 mb Tropical Storm --
      Jul 31 03:00 GMT 19.7 151.21 -- 998 mb Tropical Depression --
      Jul 31 00:00 GMT 20 151 -- 1,000 mb Tropical Depression --
      Jul 30 21:00 GMT 19.96 151.14 -- 1,001 mb Tropical Depression --
      Jul 30 18:00 GMT 20 151.5 -- 1,002 mb Tropical Depression --
      Jul 30 15:00 GMT 20.46 152 -- 1,003 mb Tropical Depression --
      Jul 30 12:00 GMT 21 152.5 -- 1,004 mb Tropical Depression --
      Jul 30 09:00 GMT 21.32 152.81 -- 1,004 mb Tropical Depression --
      Jul 30 06:00 GMT 21.5 153 -- 1,004 mb Tropical Depression --

      Learn more about Typhoon Mac and the 1989 Western Pacific hurricane season in our hurricane archive.

      View All Hurricanes and Tropical Cyclones
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