Log In
    Favorites
        Member Settings

      Hurricane and Tropical Cyclones
      Category 1 Hurricane

      Hurricane Irwin

      Storm Activity: Jul 22, 2017 - Aug 3, 2017

      Peak Wind
      90 mph
      Lowest Pressure
      979 mb
      Duration
      12 days
      Last Position
      28.4 N 131.3 W

      Storm Track

      Jul 22 – Aug 3
      Storm Category
      1. Tropical Depression < 39 mph
      2. Tropical Storm 39-73 mph
      3. Category 1 Peak 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
      90 mph
      Peak category
      Category 1
      Lowest pressure
      979 mb

      Aug 3 · 12:00 GMT 15 mph 1,013 mb Tropical Low

      Storm Track Statistics
      Aug 3 12:00 GMT 28.4 -131.3 15 mph 1,013 mb Tropical Low --
      Aug 3 09:00 GMT 28.4 -131.48 15 mph 1,013 mb Tropical Low --
      Aug 3 06:00 GMT 28.4 -131.6 15 mph 1,013 mb Tropical Low --
      Aug 3 03:00 GMT 28.4 -131.62 20 mph 1,012 mb Tropical Low --
      Aug 3 00:00 GMT 28.4 -131.6 25 mph 1,012 mb Tropical Low --
      Aug 2 21:00 GMT 28.41 -131.62 25 mph 1,011 mb Tropical Low --
      Aug 2 18:00 GMT 28.4 -131.6 25 mph 1,011 mb Tropical Low --
      Aug 2 15:00 GMT 28.38 -131.55 25 mph 1,010 mb Tropical Low --
      Aug 2 12:00 GMT 28.3 -131.4 30 mph 1,010 mb Tropical Low --
      Aug 2 09:00 GMT 28.14 -131.14 30 mph 1,009 mb Tropical Low --
      Aug 2 06:00 GMT 27.9 -130.8 35 mph 1,009 mb Tropical Low --
      Aug 2 03:00 GMT 27.64 -130.45 35 mph 1,009 mb Tropical Low --
      Aug 2 00:00 GMT 27.3 -130.1 35 mph 1,009 mb Tropical Low --
      Aug 1 21:00 GMT 26.87 -129.79 35 mph 1,008 mb Tropical Low --
      Aug 1 18:00 GMT 26.4 -129.5 35 mph 1,008 mb Tropical Low --
      Aug 1 15:00 GMT 25.96 -129.24 35 mph 1,008 mb Tropical Storm --
      Aug 1 12:00 GMT 25.5 -129 40 mph 1,008 mb Tropical Storm --
      Aug 1 09:00 GMT 24.97 -128.75 45 mph 1,007 mb Tropical Storm --
      Aug 1 06:00 GMT 24.4 -128.5 50 mph 1,006 mb Tropical Storm --
      Aug 1 03:00 GMT 23.85 -128.25 50 mph 1,005 mb Tropical Storm --
      Aug 1 00:00 GMT 23.3 -128 50 mph 1,004 mb Tropical Storm --
      Jul 31 21:00 GMT 22.74 -127.75 55 mph 1,003 mb Tropical Storm --
      Jul 31 18:00 GMT 22.2 -127.5 60 mph 1,002 mb Tropical Storm --
      Jul 31 15:00 GMT 21.69 -127.25 60 mph 1,001 mb Tropical Storm --
      Jul 31 12:00 GMT 21.2 -127 60 mph 1,001 mb Tropical Storm --
      Jul 31 09:00 GMT 20.7 -126.75 60 mph 1,000 mb Tropical Storm --
      Jul 31 06:00 GMT 20.2 -126.5 60 mph 1,000 mb Tropical Storm --
      Jul 31 03:00 GMT 19.69 -126.26 60 mph 999 mb Tropical Storm --
      Jul 31 00:00 GMT 19.2 -126 65 mph 999 mb Tropical Storm --
      Jul 30 21:00 GMT 18.74 -125.7 65 mph 998 mb Tropical Storm --
      Jul 30 18:00 GMT 18.3 -125.4 65 mph 998 mb Tropical Storm --
      Jul 30 15:00 GMT 17.84 -125.12 65 mph 997 mb Tropical Storm --
      Jul 30 12:00 GMT 17.4 -124.9 65 mph 997 mb Tropical Storm --
      Jul 30 09:00 GMT 17.03 -124.78 65 mph 997 mb Tropical Storm --
      Jul 30 06:00 GMT 16.7 -124.7 65 mph 997 mb Tropical Storm --
      Jul 30 03:00 GMT 16.34 -124.59 65 mph 997 mb Tropical Storm --
      Jul 30 00:00 GMT 16 -124.5 65 mph 997 mb Tropical Storm --
      Jul 29 21:00 GMT 15.68 -124.44 60 mph 997 mb Tropical Storm --
      Jul 29 18:00 GMT 15.4 -124.4 60 mph 998 mb Tropical Storm --
      Jul 29 15:00 GMT 15.17 -124.39 60 mph 998 mb Tropical Storm --
      Jul 29 12:00 GMT 15 -124.4 60 mph 998 mb Tropical Storm --
      Jul 29 09:00 GMT 14.88 -124.44 60 mph 998 mb Tropical Storm --
      Jul 29 06:00 GMT 14.8 -124.5 60 mph 998 mb Tropical Storm --
      Jul 29 03:00 GMT 14.74 -124.55 60 mph 998 mb Tropical Storm --
      Jul 29 00:00 GMT 14.7 -124.6 60 mph 998 mb Tropical Storm --
      Jul 28 21:00 GMT 14.69 -124.66 60 mph 998 mb Tropical Storm --
      Jul 28 18:00 GMT 14.7 -124.7 60 mph 998 mb Tropical Storm --
      Jul 28 15:00 GMT 14.74 -124.72 60 mph 998 mb Tropical Storm --
      Jul 28 12:00 GMT 14.8 -124.7 60 mph 998 mb Tropical Storm --
      Jul 28 09:00 GMT 14.86 -124.67 60 mph 998 mb Tropical Storm --
      Jul 28 06:00 GMT 14.9 -124.6 60 mph 998 mb Tropical Storm --
      Jul 28 03:00 GMT 14.91 -124.51 60 mph 998 mb Tropical Storm --
      Jul 28 00:00 GMT 14.9 -124.4 60 mph 999 mb Tropical Storm --
      Jul 27 21:00 GMT 14.9 -124.31 60 mph 999 mb Tropical Storm --
      Jul 27 18:00 GMT 14.9 -124.2 60 mph 999 mb Tropical Storm --
      Jul 27 15:00 GMT 14.9 -124.07 60 mph 999 mb Tropical Storm --
      Jul 27 12:00 GMT 14.9 -123.9 60 mph 999 mb Tropical Storm --
      Jul 27 09:00 GMT 14.89 -123.72 60 mph 999 mb Tropical Storm --
      Jul 27 06:00 GMT 14.9 -123.5 60 mph 999 mb Tropical Storm --
      Jul 27 03:00 GMT 14.93 -123.26 60 mph 999 mb Tropical Storm --
      Jul 27 00:00 GMT 15 -123 60 mph 999 mb Tropical Storm --
      Jul 26 21:00 GMT 15.13 -122.77 60 mph 999 mb Tropical Storm --
      Jul 26 18:00 GMT 15.3 -122.5 60 mph 999 mb Tropical Storm --
      Jul 26 15:00 GMT 15.46 -122.16 60 mph 996 mb Tropical Storm --
      Jul 26 12:00 GMT 15.6 -121.8 65 mph 994 mb Tropical Storm --
      Jul 26 09:00 GMT 15.71 -121.5 70 mph 990 mb Hurricane --
      Jul 26 06:00 GMT 15.8 -121.2 80 mph 987 mb Hurricane 1
      Jul 26 03:00 GMT 15.87 -120.86 85 mph 983 mb Hurricane 1
      Jul 26 00:00 GMT 15.9 -120.5 90 mph 979 mb Hurricane 1
      Jul 25 21:00 GMT 15.87 -120.14 90 mph 979 mb Hurricane 1
      Jul 25 18:00 GMT 15.8 -119.8 90 mph 979 mb Hurricane 1
      Jul 25 15:00 GMT 15.71 -119.49 90 mph 981 mb Hurricane 1
      Jul 25 12:00 GMT 15.6 -119.2 85 mph 983 mb Hurricane 1
      Jul 25 09:00 GMT 15.5 -118.89 85 mph 984 mb Hurricane 1
      Jul 25 06:00 GMT 15.4 -118.6 80 mph 986 mb Hurricane 1
      Jul 25 03:00 GMT 15.3 -118.34 75 mph 988 mb Hurricane 1
      Jul 25 00:00 GMT 15.2 -118.1 75 mph 990 mb Hurricane 1
      Jul 24 21:00 GMT 15.09 -117.84 70 mph 991 mb Tropical Storm --
      Jul 24 18:00 GMT 15 -117.6 70 mph 993 mb Tropical Storm --
      Jul 24 15:00 GMT 14.94 -117.44 65 mph 994 mb Tropical Storm --
      Jul 24 12:00 GMT 14.9 -117.3 65 mph 996 mb Tropical Storm --
      Jul 24 09:00 GMT 14.84 -117.15 60 mph 997 mb Tropical Storm --
      Jul 24 06:00 GMT 14.8 -117 60 mph 999 mb Tropical Storm --
      Jul 24 03:00 GMT 14.79 -116.87 55 mph 1,000 mb Tropical Storm --
      Jul 24 00:00 GMT 14.8 -116.7 50 mph 1,001 mb Tropical Storm --
      Jul 23 21:00 GMT 14.8 -116.48 50 mph 1,002 mb Tropical Storm --
      Jul 23 18:00 GMT 14.8 -116.2 45 mph 1,003 mb Tropical Storm --
      Jul 23 15:00 GMT 14.81 -115.87 45 mph 1,003 mb Tropical Storm --
      Jul 23 12:00 GMT 14.8 -115.5 40 mph 1,004 mb Tropical Storm --
      Jul 23 09:00 GMT 14.76 -115.16 40 mph 1,004 mb Tropical Storm --
      Jul 23 06:00 GMT 14.7 -114.8 40 mph 1,005 mb Tropical Storm --
      Jul 23 03:00 GMT 14.65 -114.41 35 mph 1,005 mb Tropical Depression --
      Jul 23 00:00 GMT 14.6 -114 35 mph 1,006 mb Tropical Depression --
      Jul 22 21:00 GMT 14.56 -113.6 35 mph 1,006 mb Tropical Depression --
      Jul 22 18:00 GMT 14.5 -113.2 35 mph 1,006 mb Tropical Depression --
      Jul 22 15:00 GMT 14.41 -112.79 35 mph 1,006 mb Tropical Depression --
      Jul 22 12:00 GMT 14.3 -112.4 35 mph 1,006 mb Tropical Depression --
      Jul 22 09:00 GMT 14.2 -112.04 35 mph 1,006 mb Tropical Depression --
      Jul 22 06:00 GMT 14.1 -111.7 35 mph 1,006 mb Tropical Depression --

      Learn more about Hurricane Irwin and the 2017 Eastern Pacific hurricane season in our hurricane archive.

      View All Hurricanes and Tropical Cyclones
      Our AppsAbout UsContactCareers
      PWS NetworkWunderMap
      Trust CenterTerms of UsePrivacy PolicyData RightsPrivacy SettingsCookie NoticeData VendorsAccessibility Statement
      Level Access
      The Weather Company The Weather Channel Weather Underground Storm Radar
      © The Weather Company, LLC 2026
      Glossary