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      Hurricane and Tropical Cyclones

      Tropical Depression

      Tropical Depression Thelma

      Storm Activity: Apr 16, 1956 - Apr 25, 1956

      Peak Wind
      --
      Lowest Pressure
      935 mb
      Duration
      9 days
      Last Position
      31.5 N 131.5 E

      Storm Track

      Apr 16 – Apr 25
      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
      --
      Peak category
      Tropical Depression
      Lowest pressure
      935 mb

      Apr 25 · 00:00 GMT -- 998 mb Tropical Depression

      Storm Track Statistics

      Apr 25 00:00 GMT 31.5 131.5 -- 998 mb Tropical Depression --
      Apr 24 21:00 GMT 30.92 129.86 -- 997 mb Unknown --
      Apr 24 18:00 GMT 30 128.5 -- 997 mb Unknown --
      Apr 24 15:00 GMT 28.59 127.6 -- 997 mb Unknown --
      Apr 24 12:00 GMT 27.2 127 -- 997 mb Unknown --
      Apr 24 09:00 GMT 26.36 126.47 -- 997 mb Unknown --
      Apr 24 06:00 GMT 25.8 126 -- 997 mb Unknown --
      Apr 24 03:00 GMT 25.26 125.45 -- 996 mb Unknown --
      Apr 24 00:00 GMT 24.8 124.9 -- 996 mb Unknown --
      Apr 23 21:00 GMT 24.37 124.39 -- 994 mb Unknown --
      Apr 23 18:00 GMT 23.9 123.9 -- 992 mb Unknown --
      Apr 23 15:00 GMT 23.23 123.43 -- 992 mb Unknown --
      Apr 23 12:00 GMT 22.6 122.9 -- 992 mb Unknown --
      Apr 23 09:00 GMT 22.23 122.22 -- 992 mb Unknown --
      Apr 23 06:00 GMT 22 121.5 -- 992 mb Unknown --
      Apr 23 03:00 GMT 21.84 120.87 -- 991 mb Unknown --
      Apr 23 00:00 GMT 21.6 120.3 -- 990 mb Unknown --
      Apr 22 21:00 GMT 21.08 119.73 -- 990 mb Unknown --
      Apr 22 18:00 GMT 20.5 119.3 -- 990 mb Unknown --
      Apr 22 15:00 GMT 20.08 119.09 -- 992 mb Unknown --
      Apr 22 12:00 GMT 19.7 119 -- 995 mb Unknown --
      Apr 22 09:00 GMT 19.25 118.84 -- 995 mb Unknown --
      Apr 22 06:00 GMT 18.8 118.8 -- 995 mb Unknown --
      Apr 22 03:00 GMT 18.39 118.96 -- 995 mb Unknown --
      Apr 22 00:00 GMT 18 119.3 -- 995 mb Unknown --
      Apr 21 21:00 GMT 17.59 119.75 -- 990 mb Unknown --
      Apr 21 18:00 GMT 17.2 120.3 -- 985 mb Unknown --
      Apr 21 15:00 GMT 16.84 120.89 -- 975 mb Unknown --
      Apr 21 12:00 GMT 16.5 121.5 -- 965 mb Unknown --
      Apr 21 09:00 GMT 16.14 122.06 -- 957 mb Unknown --
      Apr 21 06:00 GMT 15.8 122.6 -- 950 mb Unknown --
      Apr 21 03:00 GMT 15.48 123.14 -- 947 mb Unknown --
      Apr 21 00:00 GMT 15.2 123.7 -- 945 mb Unknown --
      Apr 20 21:00 GMT 14.95 124.33 -- 942 mb Unknown --
      Apr 20 18:00 GMT 14.7 125 -- 940 mb Unknown --
      Apr 20 15:00 GMT 14.38 125.72 -- 940 mb Unknown --
      Apr 20 12:00 GMT 14.1 126.4 -- 940 mb Unknown --
      Apr 20 09:00 GMT 14.04 126.88 -- 937 mb Unknown --
      Apr 20 06:00 GMT 13.9 127.4 -- 935 mb Unknown --
      Apr 20 03:00 GMT 13.33 128.2 -- 937 mb Unknown --
      Apr 20 00:00 GMT 12.7 129 -- 940 mb Unknown --
      Apr 19 21:00 GMT 12.31 129.54 -- 940 mb Unknown --
      Apr 19 18:00 GMT 12.1 130 -- 940 mb Unknown --
      Apr 19 15:00 GMT 12.06 130.56 -- 940 mb Unknown --
      Apr 19 12:00 GMT 12.1 131.1 -- 940 mb Unknown --
      Apr 19 09:00 GMT 12.09 131.54 -- 940 mb Unknown --
      Apr 19 06:00 GMT 12 132 -- 940 mb Unknown --
      Apr 19 03:00 GMT 11.71 132.6 -- 942 mb Unknown --
      Apr 19 00:00 GMT 11.4 133.2 -- 945 mb Unknown --
      Apr 18 21:00 GMT 11.25 133.7 -- 957 mb Unknown --
      Apr 18 18:00 GMT 11.2 134.1 -- 970 mb Unknown --
      Apr 18 15:00 GMT 11.24 134.4 -- 970 mb Unknown --
      Apr 18 12:00 GMT 11.3 134.7 -- 970 mb Unknown --
      Apr 18 09:00 GMT 11.29 135.11 -- 970 mb Unknown --
      Apr 18 06:00 GMT 11.2 135.6 -- 970 mb Unknown --
      Apr 18 03:00 GMT 11.04 136.11 -- 972 mb Unknown --
      Apr 18 00:00 GMT 10.8 136.7 -- 975 mb Unknown --
      Apr 17 21:00 GMT 10.52 137.44 -- 982 mb Unknown --
      Apr 17 18:00 GMT 10.2 138.2 -- 990 mb Unknown --
      Apr 17 15:00 GMT 9.9 138.87 -- 990 mb Unknown --
      Apr 17 12:00 GMT 9.6 139.5 -- 990 mb Unknown --
      Apr 17 09:00 GMT 9.33 140.17 -- 990 mb Unknown --
      Apr 17 06:00 GMT 9 140.8 -- 990 mb Unknown --
      Apr 17 03:00 GMT 8.51 141.35 -- 992 mb Unknown --
      Apr 17 00:00 GMT 8 141.9 -- 995 mb Unknown --
      Apr 16 21:00 GMT 7.57 142.54 -- 997 mb Unknown --
      Apr 16 18:00 GMT 7.2 143.2 -- 1,000 mb Unknown --
      Apr 16 15:00 GMT 6.88 143.86 -- 1,000 mb Unknown --
      Apr 16 12:00 GMT 6.6 144.5 -- 1,000 mb Unknown --
      Apr 16 09:00 GMT 6.27 145.1 -- 1,000 mb Unknown --
      Apr 16 06:00 GMT 6 145.7 -- 1,000 mb Unknown --
      Apr 16 03:00 GMT 5.86 146.34 -- 1,002 mb Tropical Depression --
      Apr 16 00:00 GMT 5.8 147 -- 1,004 mb Tropical Depression --

      Learn more about Tropical Depression Thelma and the 1956 Western Pacific hurricane season in our hurricane archive.

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      Level Access
      Glossary