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      Hurricane and Tropical Cyclones
      Tropical Depression

      Unnamed Tropical Depression

      Storm Activity: Aug 27, 1977 - Aug 29, 1977

      Peak Wind
      25 mph
      Lowest Pressure
      1000 mb
      Duration
      2 days
      Last Position
      25.5 N 143 E

      Storm Track

      Aug 27 – Aug 29
      Storm Category
      1. Tropical Depression Peak < 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 4 130-156 mph
      7. Category 5 157+ mph

      Intensity

      Sustained wind at each observation
      Peak wind
      25 mph
      Peak category
      Tropical Depression
      Lowest pressure
      1,000 mb

      Aug 29 · 00:00 GMT 20 mph 1,005 mb Extra-Tropical Low

      Storm Track Statistics
      Aug 29 00:00 GMT 25.5 143 20 mph 1,005 mb Extra-Tropical Low --
      Aug 28 21:00 GMT 25.55 143.5 20 mph 1,004 mb Extra-Tropical Low --
      Aug 28 18:00 GMT 25.5 144 20 mph 1,004 mb Extra-Tropical Low --
      Aug 28 15:00 GMT 25.29 144.5 20 mph 1,004 mb Extra-Tropical Low --
      Aug 28 12:00 GMT 25 145 20 mph 1,004 mb Extra-Tropical Low --
      Aug 28 09:00 GMT 24.75 145.46 25 mph 1,002 mb Tropical Depression --
      Aug 28 06:00 GMT 24.5 146 25 mph 1,000 mb Tropical Depression --
      Aug 28 03:00 GMT 24.25 146.77 25 mph 1,000 mb Tropical Depression --
      Aug 28 00:00 GMT 24 147.5 25 mph 1,000 mb Tropical Depression --
      Aug 27 21:00 GMT 23.75 147.9 25 mph 1,000 mb Tropical Depression --
      Aug 27 18:00 GMT 23.5 148.2 25 mph 1,000 mb Tropical Depression --
      Aug 27 15:00 GMT 23.25 148.58 25 mph 1,000 mb Tropical Depression --
      Aug 27 12:00 GMT 23 149 25 mph 1,000 mb Tropical Depression --
      Aug 27 09:00 GMT 22.75 149.49 25 mph 1,000 mb Tropical Depression --
      Aug 27 06:00 GMT 22.5 150 25 mph 1,000 mb Tropical Depression --
      Aug 27 03:00 GMT 22.25 150.51 25 mph 1,001 mb Extra-Tropical Low --
      Aug 27 00:00 GMT 22 151 20 mph 1,002 mb Extra-Tropical Low --

      Learn more about Unnamed Tropical Depression and the 1977 Western Pacific hurricane season in our hurricane archive.

      View All Hurricanes and Tropical Cyclones
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