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      Hurricane and Tropical Cyclones

      Tropical Storm

      Unnamed Tropical Cyclone

      Storm Activity: Feb 20, 1977 - Feb 24, 1977

      Peak Wind
      45 mph
      Lowest Pressure
      990 mb
      Duration
      5 days
      Last Position
      36.5 S 140.5 W

      Storm Track

      Feb 20 – Feb 24
      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
      990 mb

      Feb 24 · 12:00 GMT 35 mph 997 mb Tropical Cyclone

      Storm Track Statistics

      Feb 24 12:00 GMT -36.5 -140.5 35 mph 997 mb Tropical Cyclone --
      Feb 24 09:00 GMT -36.47 -141.06 35 mph 997 mb Tropical Cyclone --
      Feb 24 06:00 GMT -36.4 -141.65 35 mph 997 mb Tropical Cyclone --
      Feb 24 03:00 GMT -36.26 -142.29 35 mph 997 mb Tropical Cyclone --
      Feb 24 00:00 GMT -36 -143 35 mph 997 mb Tropical Cyclone --
      Feb 23 21:00 GMT -35.6 -143.81 35 mph 997 mb Tropical Cyclone --
      Feb 23 18:00 GMT -35.1 -144.74 35 mph 997 mb Tropical Cyclone --
      Feb 23 15:00 GMT -34.55 -145.8 35 mph 997 mb Tropical Cyclone --
      Feb 23 12:00 GMT -34 -147 35 mph 997 mb Tropical Cyclone --
      Feb 23 09:00 GMT -33.55 -148.39 35 mph 997 mb Tropical Cyclone --
      Feb 23 06:00 GMT -33.08 -149.92 35 mph 997 mb Tropical Cyclone --
      Feb 23 03:00 GMT -32.58 -151.49 35 mph 997 mb Tropical Cyclone --
      Feb 23 00:00 GMT -32 -153 35 mph 997 mb Tropical Cyclone --
      Feb 22 21:00 GMT -31.28 -154.49 35 mph 997 mb Tropical Cyclone --
      Feb 22 18:00 GMT -30.5 -155.88 35 mph 997 mb Tropical Cyclone --
      Feb 22 15:00 GMT -29.72 -157.09 35 mph 997 mb Tropical Cyclone --
      Feb 22 12:00 GMT -29 -158 35 mph 997 mb Tropical Cyclone --
      Feb 22 09:00 GMT -28.48 -158.5 35 mph 997 mb Tropical Cyclone --
      Feb 22 06:00 GMT -28.03 -158.75 35 mph 997 mb Tropical Cyclone --
      Feb 22 03:00 GMT -27.56 -158.87 35 mph 997 mb Tropical Cyclone --
      Feb 22 00:00 GMT -27 -159 35 mph 997 mb Tropical Cyclone --
      Feb 21 21:00 GMT -26.19 -159.34 35 mph 995 mb Tropical Cyclone --
      Feb 21 18:00 GMT -25.29 -159.72 40 mph 993 mb Tropical Cyclone --
      Feb 21 15:00 GMT -24.36 -160.11 45 mph 991 mb Tropical Cyclone --
      Feb 21 12:00 GMT -23.5 -160.5 45 mph 990 mb Tropical Cyclone --
      Feb 21 09:00 GMT -22.78 -160.85 45 mph 990 mb Tropical Cyclone --
      Feb 21 06:00 GMT -22.14 -161.21 45 mph 990 mb Tropical Cyclone --
      Feb 21 03:00 GMT -21.55 -161.59 45 mph 990 mb Tropical Cyclone --
      Feb 21 00:00 GMT -21 -162 45 mph 990 mb Tropical Cyclone --
      Feb 20 21:00 GMT -20.4 -162.44 45 mph 991 mb Tropical Cyclone --
      Feb 20 18:00 GMT -19.85 -162.93 40 mph 993 mb Tropical Cyclone --
      Feb 20 15:00 GMT -19.37 -163.44 35 mph 995 mb Tropical Cyclone --
      Feb 20 12:00 GMT -19 -164 35 mph 997 mb Tropical Cyclone --
      Feb 20 09:00 GMT -18.76 -164.59 35 mph 997 mb Tropical Cyclone --
      Feb 20 06:00 GMT -18.61 -165.21 35 mph 997 mb Tropical Cyclone --
      Feb 20 03:00 GMT -18.54 -165.85 35 mph 997 mb Tropical Cyclone --
      Feb 20 00:00 GMT -18.5 -166.5 35 mph 997 mb Tropical Cyclone --

      Learn more about Unnamed Tropical Cyclone and the 1977 Southern Hemisphere hurricane season in our hurricane archive.

      View All Hurricanes and Tropical Cyclones
      Level Access
      Glossary