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      Hurricane and Tropical Cyclones

      Category 3 Hurricane

      Unnamed Hurricane

      Storm Activity: Oct 17, 1947 - Oct 22, 1947

      Peak Wind
      120 mph
      Lowest Pressure
      961 mb
      Duration
      5 days
      Last Position
      39.5 N 47 W

      Storm Track

      Oct 17 – Oct 22
      Storm Category
      1. Tropical Depression < 39 mph
      2. Tropical Storm 39-73 mph
      3. Category 1 74-95 mph
      4. Category 2 96-110 mph
      5. Category 3 Peak 111-129 mph
      6. Category 4 130-156 mph
      7. Category 5 157+ mph

      Intensity

      Sustained wind at each observation
      Peak wind
      120 mph
      Peak category
      Category 3
      Lowest pressure
      961 mb

      Oct 22 · 06:00 GMT 75 mph -- Category 1

      Storm Track Statistics

      Oct 22 06:00 GMT 39.5 -47 75 mph -- Extratropical 1
      Oct 22 03:00 GMT 39.26 -49.49 85 mph -- Hurricane 1
      Oct 22 00:00 GMT 39 -52 90 mph -- Hurricane 1
      Oct 21 21:00 GMT 38.73 -54.49 95 mph -- Hurricane 1
      Oct 21 18:00 GMT 38.4 -56.6 100 mph -- Hurricane 2
      Oct 21 15:00 GMT 38 -57.96 100 mph -- Hurricane 2
      Oct 21 12:00 GMT 37.5 -59 100 mph -- Hurricane 2
      Oct 21 09:00 GMT 36.83 -60.18 100 mph -- Hurricane 2
      Oct 21 06:00 GMT 36.1 -61.4 105 mph -- Hurricane 2
      Oct 21 03:00 GMT 35.43 -62.8 105 mph -- Hurricane 2
      Oct 21 00:00 GMT 34.8 -64 110 mph -- Hurricane 2
      Oct 20 21:00 GMT 34.23 -64.7 110 mph -- Hurricane 3
      Oct 20 18:00 GMT 33.7 -65.1 115 mph 961 mb Hurricane 3
      Oct 20 15:00 GMT 33.22 -65.39 115 mph -- Hurricane 3
      Oct 20 12:00 GMT 32.7 -65.7 115 mph -- Hurricane 3
      Oct 20 09:00 GMT 32.03 -66.26 115 mph -- Hurricane 3
      Oct 20 06:00 GMT 31.3 -66.9 120 mph -- Hurricane 3
      Oct 20 03:00 GMT 30.59 -67.51 120 mph -- Hurricane 3
      Oct 20 00:00 GMT 29.9 -68.1 120 mph -- Hurricane 3
      Oct 19 21:00 GMT 29.24 -68.69 120 mph -- Hurricane 3
      Oct 19 18:00 GMT 28.6 -69.2 120 mph -- Hurricane 3
      Oct 19 15:00 GMT 27.96 -69.61 115 mph -- Hurricane 3
      Oct 19 12:00 GMT 27.3 -69.9 115 mph -- Hurricane 3
      Oct 19 09:00 GMT 26.59 -70.08 110 mph -- Hurricane 2
      Oct 19 06:00 GMT 25.9 -70.2 105 mph -- Hurricane 2
      Oct 19 03:00 GMT 25.27 -70.38 100 mph -- Hurricane 2
      Oct 19 00:00 GMT 24.7 -70.5 100 mph -- Hurricane 2
      Oct 18 21:00 GMT 24.18 -70.49 95 mph -- Hurricane 1
      Oct 18 18:00 GMT 23.7 -70.4 90 mph 981 mb Hurricane 1
      Oct 18 15:00 GMT 23.23 -70.34 85 mph 985 mb Hurricane 1
      Oct 18 12:00 GMT 22.8 -70.2 80 mph 990 mb Hurricane 1
      Oct 18 09:00 GMT 22.43 -69.95 75 mph -- Hurricane 1
      Oct 18 06:00 GMT 22.1 -69.6 75 mph -- Hurricane 1
      Oct 18 03:00 GMT 21.75 -69.2 70 mph -- Tropical Storm --
      Oct 18 00:00 GMT 21.4 -68.7 70 mph -- Tropical Storm --
      Oct 17 21:00 GMT 21.05 -68.13 65 mph -- Tropical Storm --
      Oct 17 18:00 GMT 20.7 -67.5 60 mph -- Tropical Storm --
      Oct 17 15:00 GMT 20.33 -66.87 55 mph -- Tropical Storm --
      Oct 17 12:00 GMT 20 -66.2 50 mph 1,000 mb Tropical Storm --
      Oct 17 09:00 GMT 19.73 -65.47 50 mph -- Tropical Storm --
      Oct 17 06:00 GMT 19.5 -64.7 45 mph -- Tropical Storm --
      Oct 17 03:00 GMT 19.26 -63.94 45 mph -- Tropical Storm --
      Oct 17 00:00 GMT 19 -63.2 40 mph -- Tropical Storm --

      Learn more about Unnamed Hurricane and the 1947 Atlantic hurricane season in our hurricane archive.

      View All Hurricanes and Tropical Cyclones
      Level Access
      Glossary