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      Hurricane and Tropical Cyclones
      Tropical Storm

      Unnamed Tropical Storm

      Storm Activity: Aug 28, 1958 - Sep 3, 1958

      Peak Wind
      45 mph
      Lowest Pressure
      994 mb
      Duration
      6 days
      Last Position
      22.8 N 107.9 E

      Storm Track

      Aug 28 – Sep 3
      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
      994 mb

      Sep 3 · 06:00 GMT 20 mph 1,004 mb Extra-Tropical Low

      Storm Track Statistics
      Sep 3 06:00 GMT 22.8 107.9 20 mph 1,004 mb Extra-Tropical Low --
      Sep 3 03:00 GMT 22.62 108.42 20 mph 1,002 mb Extra-Tropical Low --
      Sep 3 00:00 GMT 22.5 108.9 20 mph 1,000 mb Extra-Tropical Low --
      Sep 2 21:00 GMT 22.48 109.34 20 mph 1,000 mb Extra-Tropical Low --
      Sep 2 18:00 GMT 22.5 109.8 20 mph 1,000 mb Extra-Tropical Low --
      Sep 2 15:00 GMT 22.51 110.34 20 mph 1,000 mb Extra-Tropical Low --
      Sep 2 12:00 GMT 22.5 110.9 20 mph 1,000 mb Extra-Tropical Low --
      Sep 2 09:00 GMT 22.46 111.45 20 mph 1,000 mb Extra-Tropical Low --
      Sep 2 06:00 GMT 22.4 112 20 mph 1,000 mb Extra-Tropical Low --
      Sep 2 03:00 GMT 22.35 112.57 25 mph 998 mb Tropical Depression --
      Sep 2 00:00 GMT 22.3 113.1 35 mph 997 mb Tropical Depression --
      Sep 1 21:00 GMT 22.26 113.53 35 mph 995 mb Tropical Depression --
      Sep 1 18:00 GMT 22.2 113.9 35 mph 994 mb Tropical Depression --
      Sep 1 15:00 GMT 22.11 114.26 40 mph 994 mb Tropical Storm --
      Sep 1 12:00 GMT 22 114.6 45 mph 994 mb Tropical Storm --
      Sep 1 09:00 GMT 21.89 114.95 45 mph 994 mb Tropical Storm --
      Sep 1 06:00 GMT 21.8 115.3 45 mph 994 mb Tropical Storm --
      Sep 1 03:00 GMT 21.75 115.67 40 mph 994 mb Tropical Depression --
      Sep 1 00:00 GMT 21.7 116 35 mph 994 mb Tropical Depression --
      Aug 31 21:00 GMT 21.64 116.25 35 mph 995 mb Tropical Depression --
      Aug 31 18:00 GMT 21.5 116.5 35 mph 996 mb Tropical Depression --
      Aug 31 15:00 GMT 21.22 116.84 35 mph 997 mb Tropical Depression --
      Aug 31 12:00 GMT 20.8 117.2 35 mph 998 mb Tropical Depression --
      Aug 31 09:00 GMT 20.33 117.6 35 mph 998 mb Tropical Depression --
      Aug 31 06:00 GMT 19.7 117.9 35 mph 998 mb Tropical Depression --
      Aug 31 03:00 GMT 18.81 118.05 35 mph 998 mb Tropical Depression --
      Aug 31 00:00 GMT 18 118 35 mph 999 mb Tropical Depression --
      Aug 30 21:00 GMT 17.6 117.77 35 mph 999 mb Tropical Depression --
      Aug 30 18:00 GMT 17.4 117.4 35 mph 999 mb Tropical Depression --
      Aug 30 15:00 GMT 17.23 117.02 35 mph 999 mb Tropical Depression --
      Aug 30 12:00 GMT 17.1 116.6 35 mph 999 mb Tropical Depression --
      Aug 30 09:00 GMT 16.94 116.19 35 mph 999 mb Tropical Depression --
      Aug 30 06:00 GMT 16.8 115.8 35 mph 999 mb Tropical Depression --
      Aug 30 03:00 GMT 16.69 115.43 30 mph 999 mb Tropical Depression --
      Aug 30 00:00 GMT 16.6 115.1 25 mph 999 mb Tropical Depression --
      Aug 29 21:00 GMT 16.51 114.84 25 mph 999 mb Tropical Depression --
      Aug 29 18:00 GMT 16.4 114.6 25 mph 999 mb Tropical Depression --
      Aug 29 15:00 GMT 16.27 114.36 25 mph 999 mb Tropical Depression --
      Aug 29 12:00 GMT 16.1 114.1 25 mph 999 mb Tropical Depression --
      Aug 29 09:00 GMT 15.85 113.82 25 mph 999 mb Extra-Tropical Low --
      Aug 29 06:00 GMT 15.6 113.5 20 mph 1,000 mb Extra-Tropical Low --
      Aug 29 03:00 GMT 15.43 113.09 20 mph 1,000 mb Extra-Tropical Low --
      Aug 29 00:00 GMT 15.3 112.7 20 mph 1,000 mb Extra-Tropical Low --
      Aug 28 21:00 GMT 15.18 112.43 20 mph 1,000 mb Extra-Tropical Low --
      Aug 28 18:00 GMT 15.1 112.2 20 mph 1,000 mb Extra-Tropical Low --
      Aug 28 15:00 GMT 15.04 111.94 -- 1,000 mb Extra-Tropical Low --
      Aug 28 12:00 GMT 15 111.7 -- 1,000 mb Extra-Tropical Low --
      Aug 28 09:00 GMT 14.99 111.49 -- 1,000 mb Extra-Tropical Low --
      Aug 28 06:00 GMT 15 111.3 -- 1,000 mb Extra-Tropical Low --
      Aug 28 03:00 GMT 15 111.14 -- 1,001 mb Extra-Tropical Low --
      Aug 28 00:00 GMT 15 111 -- 1,002 mb Extra-Tropical Low --

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

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