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      Hurricane and Tropical Cyclones
      Category 3 Typhoon

      Typhoon Betty

      Storm Activity: Aug 8, 1987 - Aug 17, 1987

      Peak Wind
      125 mph
      Lowest Pressure
      890 mb
      Duration
      9 days
      Last Position
      18.56 N 99.89 E

      Storm Track

      Aug 8 – Aug 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 Peak 111-129 mph
      6. Category 4 130-156 mph
      7. Category 5 157+ mph

      Intensity

      Sustained wind at each observation
      Peak wind
      125 mph
      Peak category
      Category 3
      Lowest pressure
      890 mb

      Aug 17 · 09:00 GMT -- 996 mb Tropical Depression

      Storm Track Statistics
      Aug 17 09:00 GMT 18.56 99.89 -- 996 mb Tropical Depression --
      Aug 17 06:00 GMT 18.5 100.5 -- 996 mb Tropical Depression --
      Aug 17 03:00 GMT 18.25 101.46 -- 996 mb Tropical Depression --
      Aug 17 00:00 GMT 18 102.5 -- 996 mb Tropical Depression --
      Aug 16 21:00 GMT 17.96 103.34 -- 993 mb Tropical Storm --
      Aug 16 18:00 GMT 18 104.1 45 mph 990 mb Tropical Storm --
      Aug 16 15:00 GMT 18.01 104.83 50 mph 987 mb Tropical Storm --
      Aug 16 12:00 GMT 18 105.5 50 mph 985 mb Tropical Storm --
      Aug 16 09:00 GMT 17.92 106.14 65 mph 972 mb Typhoon --
      Aug 16 06:00 GMT 17.8 106.7 75 mph 960 mb Typhoon 1
      Aug 16 03:00 GMT 17.65 107.19 80 mph 955 mb Typhoon 1
      Aug 16 00:00 GMT 17.5 107.6 85 mph 950 mb Typhoon 1
      Aug 15 21:00 GMT 17.39 107.95 85 mph 947 mb Typhoon 1
      Aug 15 18:00 GMT 17.3 108.3 85 mph 945 mb Typhoon 1
      Aug 15 15:00 GMT 17.22 108.74 100 mph 942 mb Typhoon 2
      Aug 15 12:00 GMT 17.1 109.2 110 mph 940 mb Typhoon 2
      Aug 15 09:00 GMT 16.93 109.65 110 mph 935 mb Typhoon 2
      Aug 15 06:00 GMT 16.7 110.1 110 mph 930 mb Typhoon 2
      Aug 15 03:00 GMT 16.39 110.57 110 mph 930 mb Typhoon 2
      Aug 15 00:00 GMT 16.1 111 110 mph 930 mb Typhoon 2
      Aug 14 21:00 GMT 15.9 111.34 110 mph 930 mb Typhoon 2
      Aug 14 18:00 GMT 15.8 111.7 110 mph 930 mb Typhoon 2
      Aug 14 15:00 GMT 15.8 112.16 110 mph 930 mb Typhoon 2
      Aug 14 12:00 GMT 15.8 112.7 110 mph 930 mb Typhoon 2
      Aug 14 09:00 GMT 15.68 113.34 110 mph 930 mb Typhoon 2
      Aug 14 06:00 GMT 15.5 114 110 mph 930 mb Typhoon 2
      Aug 14 03:00 GMT 15.3 114.56 110 mph 930 mb Typhoon 2
      Aug 14 00:00 GMT 15.1 115.1 110 mph 930 mb Typhoon 2
      Aug 13 21:00 GMT 14.95 115.68 110 mph 930 mb Typhoon 2
      Aug 13 18:00 GMT 14.8 116.3 110 mph 930 mb Typhoon 2
      Aug 13 15:00 GMT 14.6 116.99 110 mph 930 mb Typhoon 2
      Aug 13 12:00 GMT 14.4 117.7 110 mph 930 mb Typhoon 2
      Aug 13 09:00 GMT 14.24 118.36 105 mph 932 mb Typhoon 2
      Aug 13 06:00 GMT 14.1 119 105 mph 935 mb Typhoon 2
      Aug 13 03:00 GMT 13.96 119.64 105 mph 935 mb Typhoon 2
      Aug 13 00:00 GMT 13.8 120.3 105 mph 935 mb Typhoon 2
      Aug 12 21:00 GMT 13.61 121 105 mph 935 mb Typhoon 2
      Aug 12 18:00 GMT 13.4 121.7 105 mph 935 mb Typhoon 2
      Aug 12 15:00 GMT 13.14 122.35 105 mph 932 mb Typhoon 2
      Aug 12 12:00 GMT 12.9 123 110 mph 930 mb Typhoon 2
      Aug 12 09:00 GMT 12.73 123.72 110 mph 927 mb Typhoon 2
      Aug 12 06:00 GMT 12.6 124.4 110 mph 925 mb Typhoon 2
      Aug 12 03:00 GMT 12.48 124.93 115 mph 917 mb Typhoon 3
      Aug 12 00:00 GMT 12.4 125.4 120 mph 910 mb Typhoon 3
      Aug 11 21:00 GMT 12.33 125.9 125 mph 902 mb Typhoon 3
      Aug 11 18:00 GMT 12.3 126.4 125 mph 895 mb Typhoon 3
      Aug 11 15:00 GMT 12.29 126.88 125 mph 892 mb Typhoon 3
      Aug 11 12:00 GMT 12.3 127.4 125 mph 890 mb Typhoon 3
      Aug 11 09:00 GMT 12.31 128.06 120 mph 895 mb Typhoon 3
      Aug 11 06:00 GMT 12.3 128.7 115 mph 900 mb Typhoon 3
      Aug 11 03:00 GMT 12.26 129.19 110 mph 910 mb Typhoon 3
      Aug 11 00:00 GMT 12.2 129.6 110 mph 920 mb Typhoon 2
      Aug 10 21:00 GMT 12.1 130.02 105 mph 927 mb Typhoon 2
      Aug 10 18:00 GMT 12 130.4 100 mph 935 mb Typhoon 2
      Aug 10 15:00 GMT 11.96 130.72 90 mph 945 mb Typhoon 1
      Aug 10 12:00 GMT 11.9 131 85 mph 955 mb Typhoon 1
      Aug 10 09:00 GMT 11.72 131.27 85 mph 962 mb Typhoon 1
      Aug 10 06:00 GMT 11.5 131.5 80 mph 970 mb Typhoon 1
      Aug 10 03:00 GMT 11.34 131.68 75 mph 977 mb Severe Tropical Storm 1
      Aug 10 00:00 GMT 11.2 131.8 70 mph 985 mb Severe Tropical Storm --
      Aug 9 21:00 GMT 11.1 131.87 60 mph 987 mb Tropical Storm --
      Aug 9 18:00 GMT 11 131.9 50 mph 990 mb Tropical Storm --
      Aug 9 15:00 GMT 10.85 131.94 50 mph 991 mb Tropical Storm --
      Aug 9 12:00 GMT 10.7 132 45 mph 992 mb Tropical Storm --
      Aug 9 09:00 GMT 10.59 132.1 45 mph 992 mb Tropical Storm --
      Aug 9 06:00 GMT 10.5 132.2 45 mph 992 mb Tropical Storm --
      Aug 9 03:00 GMT 10.4 132.26 45 mph 994 mb Tropical Storm --
      Aug 9 00:00 GMT 10.3 132.3 40 mph 996 mb Tropical Storm --
      Aug 8 21:00 GMT 10.2 132.35 -- 998 mb Tropical Depression --
      Aug 8 18:00 GMT 10.1 132.4 -- 1,000 mb Tropical Depression --
      Aug 8 15:00 GMT 10 132.46 -- 1,001 mb Tropical Depression --
      Aug 8 12:00 GMT 9.9 132.5 -- 1,002 mb Tropical Depression --
      Aug 8 09:00 GMT 9.8 132.51 -- 1,003 mb Tropical Depression --
      Aug 8 06:00 GMT 9.7 132.5 -- 1,004 mb Tropical Depression --
      Aug 8 03:00 GMT 9.6 132.5 -- 1,004 mb Tropical Depression --
      Aug 8 00:00 GMT 9.5 132.5 -- 1,004 mb Tropical Depression --

      Learn more about Typhoon Betty and the 1987 Western Pacific hurricane season in our hurricane archive.

      View All Hurricanes and Tropical Cyclones
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