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      Hurricane and Tropical Cyclones

      Tropical Depression

      Unnamed Tropical Storm

      Storm Activity: Sep 20, 1958 - Sep 22, 1958

      Peak Wind
      --
      Lowest Pressure
      --
      Duration
      2 days
      Last Position
      39.2 N 178.7 E

      Storm Track

      Sep 20 – Sep 22
      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
      --

      Sep 22 · 00:00 GMT -- -- Tropical Storm

      Storm Track Statistics

      Sep 22 00:00 GMT 39.2 178.7 -- -- Tropical Storm --
      Sep 21 21:00 GMT 37.3 177.03 -- -- Tropical Storm --
      Sep 21 18:00 GMT 35.41 175.61 -- -- Tropical Storm --
      Sep 21 15:00 GMT 33.6 174.63 -- -- Tropical Storm --
      Sep 21 12:00 GMT 31.9 174.2 -- -- Tropical Storm --
      Sep 21 09:00 GMT 30.36 174.41 -- -- Tropical Storm --
      Sep 21 06:00 GMT 29.02 175.09 -- -- Tropical Storm --
      Sep 21 03:00 GMT 27.89 176.02 -- -- Tropical Storm --
      Sep 21 00:00 GMT 27 177 -- -- Tropical Storm --
      Sep 20 21:00 GMT 26.42 177.88 -- -- Tropical Storm --
      Sep 20 18:00 GMT 26.07 178.75 -- -- Tropical Storm --
      Sep 20 15:00 GMT 25.81 179.5 -- -- Tropical Storm --
      Sep 20 12:00 GMT 25.5 -180 -- -- Tropical Storm --
      Sep 20 09:00 GMT 25.04 -179.85 -- -- Tropical Storm --
      Sep 20 06:00 GMT 24.43 -179.98 -- -- Tropical Storm --
      Sep 20 03:00 GMT 23.74 179.71 -- -- Tropical Storm --
      Sep 20 00:00 GMT 23 179.3 -- -- Tropical Storm --

      Learn more about Unnamed Tropical Storm and the 1958 Western Pacific hurricane season in our hurricane archive.

      View All Hurricanes and Tropical Cyclones
      Level Access
      Glossary