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      Hurricane and Tropical Cyclones

      Tropical Depression

      Unnamed Tropical Depression

      Storm Activity: Dec 10, 1964 - Dec 12, 1964

      Peak Wind
      30 mph
      Lowest Pressure
      1000 mb
      Duration
      36 hours
      Last Position
      3.9 N 166.8 E

      Storm Track

      Dec 10 – Dec 12
      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
      30 mph
      Peak category
      Tropical Depression
      Lowest pressure
      1,000 mb

      Dec 12 · 00:00 GMT -- -- Tropical Depression

      Storm Track Statistics

      Dec 12 00:00 GMT 3.9 166.8 -- -- Tropical Depression --
      Dec 12 00:00 GMT 3.9 166.8 -- -- Tropical Cyclone --
      Dec 11 21:00 GMT 4.23 167.55 -- -- Tropical Depression --
      Dec 11 21:00 GMT 4.23 167.55 -- -- Tropical Cyclone --
      Dec 11 18:00 GMT 4.5 168.3 -- -- Tropical Depression --
      Dec 11 18:00 GMT 4.5 168.3 -- -- Tropical Cyclone --
      Dec 11 18:00 GMT 5 171 30 mph 1,000 mb Tropical Depression --
      Dec 11 15:00 GMT 4.69 169.04 -- -- Tropical Depression --
      Dec 11 15:00 GMT 4.69 169.04 -- -- Tropical Cyclone --
      Dec 11 15:00 GMT 5.02 171.52 30 mph 1,000 mb Tropical Depression --
      Dec 11 12:00 GMT 4.8 169.8 -- -- Tropical Depression --
      Dec 11 12:00 GMT 4.8 169.8 -- -- Tropical Cyclone --
      Dec 11 12:00 GMT 5 172 30 mph 1,000 mb Tropical Depression --
      Dec 11 09:00 GMT 4.89 170.6 -- -- Tropical Depression --
      Dec 11 09:00 GMT 4.89 170.6 -- -- Tropical Cyclone --
      Dec 11 09:00 GMT 4.92 172.42 30 mph 1,000 mb Tropical Depression --
      Dec 11 06:00 GMT 4.9 171.4 -- -- Tropical Depression --
      Dec 11 06:00 GMT 4.9 171.4 -- -- Tropical Cyclone --
      Dec 11 06:00 GMT 4.8 172.8 30 mph 1,000 mb Tropical Depression --
      Dec 11 03:00 GMT 4.84 172.15 -- -- Tropical Depression --
      Dec 11 03:00 GMT 4.84 172.15 -- -- Tropical Cyclone --
      Dec 11 03:00 GMT 4.66 173.17 30 mph 1,000 mb Tropical Depression --
      Dec 11 00:00 GMT 4.7 172.9 -- -- Tropical Depression --
      Dec 11 00:00 GMT 4.7 172.9 -- -- Tropical Cyclone --
      Dec 11 00:00 GMT 4.5 173.6 30 mph 1,000 mb Tropical Depression --
      Dec 10 21:00 GMT 4.52 173.7 -- -- Tropical Depression --
      Dec 10 21:00 GMT 4.52 173.7 -- -- Tropical Cyclone --
      Dec 10 21:00 GMT 4.37 174.17 30 mph 1,000 mb Tropical Depression --
      Dec 10 18:00 GMT 4.3 174.5 -- -- Tropical Depression --
      Dec 10 18:00 GMT 4.3 174.5 -- -- Tropical Cyclone --
      Dec 10 18:00 GMT 4.2 174.8 30 mph 1,000 mb Tropical Depression --
      Dec 10 15:00 GMT 4.06 175.26 -- -- Tropical Depression --
      Dec 10 15:00 GMT 4.06 175.26 -- -- Tropical Cyclone --
      Dec 10 15:00 GMT 3.97 175.41 30 mph 1,000 mb Tropical Depression --
      Dec 10 12:00 GMT 3.8 176 -- -- Tropical Depression --
      Dec 10 12:00 GMT 3.8 176 -- -- Tropical Cyclone --
      Dec 10 12:00 GMT 3.7 176 30 mph 1,000 mb Tropical Depression --

      Learn more about Unnamed Tropical Depression and the 1964 Western Pacific hurricane season in our hurricane archive.

      View All Hurricanes and Tropical Cyclones
      Level Access
      Glossary