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      Hurricane and Tropical Cyclones
      Tropical Storm

      Tropical Depression Doug

      Storm Activity: Aug 7, 1991 - Aug 11, 1991

      Peak Wind
      45 mph
      Lowest Pressure
      985 mb
      Duration
      4 days
      Last Position
      39.3 N 159.6 E

      Storm Track

      Aug 7 – Aug 11
      Storm Category
      1. Tropical Depression < 39 mph
      2. Tropical Storm Peak 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
      45 mph
      Peak category
      Tropical Storm
      Lowest pressure
      985 mb

      Aug 11 · 00:00 GMT 35 mph -- Tropical Depression

      Storm Track Statistics
      Aug 11 00:00 GMT 39.3 159.6 35 mph -- Tropical Depression --
      Aug 11 00:00 GMT 39.3 159.6 35 mph 1,000 mb Tropical Depression --
      Aug 10 21:00 GMT 38.34 158.78 35 mph -- Tropical Depression --
      Aug 10 21:00 GMT 38.44 158.81 35 mph 1,000 mb Tropical Depression --
      Aug 10 18:00 GMT 37.4 158 35 mph -- Tropical Depression --
      Aug 10 18:00 GMT 39 158.7 30 mph 995 mb Tropical Depression --
      Aug 10 18:00 GMT 37.5 158 35 mph 1,000 mb Tropical Depression --
      Aug 10 15:00 GMT 36.48 157.31 35 mph -- Tropical Depression --
      Aug 10 15:00 GMT 37.74 157.79 30 mph 995 mb Tropical Depression --
      Aug 10 15:00 GMT 36.44 157.2 35 mph 1,000 mb Tropical Depression --
      Aug 10 12:00 GMT 35.6 156.8 35 mph -- Tropical Depression --
      Aug 10 12:00 GMT 36.5 157 30 mph 995 mb Tropical Depression --
      Aug 10 12:00 GMT 35.4 156.6 35 mph 1,000 mb Tropical Depression --
      Aug 10 09:00 GMT 34.73 156.5 35 mph -- Tropical Depression --
      Aug 10 09:00 GMT 35.32 156.43 30 mph 995 mb Tropical Depression --
      Aug 10 09:00 GMT 34.53 156.29 35 mph 1,000 mb Tropical Depression --
      Aug 10 06:00 GMT 33.9 156.4 40 mph -- Tropical Storm --
      Aug 10 06:00 GMT 34.2 156.2 30 mph 995 mb Tropical Depression --
      Aug 10 06:00 GMT 33.7 156.3 35 mph 1,000 mb Tropical Depression --
      Aug 10 03:00 GMT 33.08 156.35 40 mph -- Tropical Storm --
      Aug 10 03:00 GMT 33.08 156.37 30 mph 995 mb Tropical Depression --
      Aug 10 03:00 GMT 32.74 156.57 35 mph 1,000 mb Tropical Depression --
      Aug 10 00:00 GMT 32.3 156.5 40 mph -- Tropical Storm --
      Aug 10 00:00 GMT 32.1 156.8 35 mph 995 mb Tropical Depression --
      Aug 10 00:00 GMT 31.8 157 35 mph 1,000 mb Tropical Depression --
      Aug 9 21:00 GMT 31.56 156.89 40 mph -- Tropical Storm --
      Aug 9 21:00 GMT 31.31 157.3 35 mph 992 mb Tropical Storm --
      Aug 9 21:00 GMT 30.99 157.41 35 mph 1,000 mb Tropical Depression --
      Aug 9 18:00 GMT 30.9 157.4 40 mph -- Tropical Storm --
      Aug 9 18:00 GMT 30.7 157.8 40 mph 990 mb Tropical Storm --
      Aug 9 18:00 GMT 30.3 157.8 35 mph 1,000 mb Tropical Depression --
      Aug 9 15:00 GMT 30.31 157.87 40 mph -- Tropical Storm --
      Aug 9 15:00 GMT 30.2 158.13 45 mph 987 mb Tropical Storm --
      Aug 9 15:00 GMT 29.7 158.11 35 mph 1,000 mb Tropical Depression --
      Aug 9 12:00 GMT 29.8 158.3 40 mph -- Tropical Storm --
      Aug 9 12:00 GMT 29.8 158.4 45 mph 985 mb Tropical Storm --
      Aug 9 12:00 GMT 29.2 158.4 35 mph 1,000 mb Tropical Depression --
      Aug 9 09:00 GMT 29.33 158.67 35 mph -- Tropical Depression --
      Aug 9 09:00 GMT 29.38 158.72 45 mph 987 mb Tropical Storm --
      Aug 9 09:00 GMT 28.73 158.74 35 mph 1,000 mb Tropical Depression --
      Aug 9 06:00 GMT 28.9 159 35 mph -- Tropical Depression --
      Aug 9 06:00 GMT 29 159 40 mph 990 mb Tropical Storm --
      Aug 9 06:00 GMT 28.3 159.1 35 mph 1,000 mb Tropical Depression --
      Aug 9 03:00 GMT 28.49 159.28 35 mph -- Tropical Depression --
      Aug 9 03:00 GMT 28.67 159.2 35 mph 995 mb Tropical Depression --
      Aug 9 03:00 GMT 27.91 159.45 30 mph 1,001 mb Extra-Tropical Low --
      Aug 9 00:00 GMT 28.1 159.6 35 mph -- Tropical Depression --
      Aug 9 00:00 GMT 28.4 159.4 30 mph 1,000 mb Tropical Depression --
      Aug 9 00:00 GMT 27.5 159.8 20 mph 1,002 mb Extra-Tropical Low --
      Aug 8 21:00 GMT 27.67 160.02 30 mph -- Tropical Depression --
      Aug 8 21:00 GMT 28.18 159.66 30 mph 1,000 mb Tropical Depression --
      Aug 8 21:00 GMT 26.96 160.14 20 mph 1,002 mb Extra-Tropical Low --
      Aug 8 18:00 GMT 27.3 160.5 30 mph -- Tropical Depression --
      Aug 8 18:00 GMT 28 160 30 mph 1,000 mb Tropical Depression --
      Aug 8 18:00 GMT 26.4 160.5 20 mph 1,002 mb Extra-Tropical Low --
      Aug 8 15:00 GMT 27.07 161 30 mph -- Tropical Depression --
      Aug 8 15:00 GMT 27.79 160.47 30 mph 1,000 mb Tropical Depression --
      Aug 8 15:00 GMT 25.93 160.94 20 mph 1,002 mb Extra-Tropical Low --
      Aug 8 12:00 GMT 26.9 161.5 30 mph -- Tropical Depression --
      Aug 8 12:00 GMT 27.6 161 30 mph 1,000 mb Tropical Depression --
      Aug 8 12:00 GMT 25.5 161.4 20 mph 1,002 mb Extra-Tropical Low --
      Aug 8 09:00 GMT 26.7 161.98 25 mph -- Tropical Depression --
      Aug 8 09:00 GMT 27.46 161.5 30 mph 1,000 mb Tropical Depression --
      Aug 8 09:00 GMT 25.08 161.81 20 mph 1,002 mb Extra-Tropical Low --
      Aug 8 06:00 GMT 26.5 162.4 25 mph -- Tropical Depression --
      Aug 8 06:00 GMT 27.3 162 30 mph 1,000 mb Tropical Depression --
      Aug 8 06:00 GMT 24.7 162.2 20 mph 1,002 mb Extra-Tropical Low --
      Aug 8 03:00 GMT 26.3 162.72 25 mph -- Tropical Depression --
      Aug 8 03:00 GMT 27.06 162.49 30 mph 1,000 mb Tropical Depression --
      Aug 8 03:00 GMT 24.34 162.6 20 mph 1,002 mb Extra-Tropical Low --
      Aug 8 00:00 GMT 26.1 163 25 mph -- Tropical Depression --
      Aug 8 00:00 GMT 26.7 163 30 mph 1,000 mb Tropical Depression --
      Aug 8 00:00 GMT 24 163 20 mph 1,002 mb Extra-Tropical Low --
      Aug 7 21:00 GMT 25.91 163.36 25 mph -- Tropical Depression --
      Aug 7 21:00 GMT 26.15 163.58 30 mph 997 mb Tropical Depression --
      Aug 7 18:00 GMT 25.7 163.7 25 mph -- Tropical Depression --
      Aug 7 18:00 GMT 25.6 164.1 35 mph 995 mb Tropical Depression --
      Aug 7 15:00 GMT 25.43 163.97 25 mph -- Tropical Depression --
      Aug 7 15:00 GMT 25.23 164.46 35 mph 995 mb Tropical Depression --
      Aug 7 12:00 GMT 25.2 164.2 25 mph -- Tropical Depression --
      Aug 7 12:00 GMT 25 164.7 35 mph 995 mb Tropical Depression --
      Aug 7 09:00 GMT 25.07 164.41 25 mph -- Tropical Depression --
      Aug 7 09:00 GMT 24.87 164.87 30 mph 997 mb Tropical Depression --
      Aug 7 06:00 GMT 25 164.6 25 mph -- Tropical Depression --
      Aug 7 06:00 GMT 24.8 165 30 mph 1,000 mb Tropical Depression --

      Learn more about Tropical Depression Doug and the 1991 Western Pacific hurricane season in our hurricane archive.

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