Hurricane Hernan (1990)
Jul 19, 12:00 PM UTC – Jul 31, 12:00 AM UTC (11.5 days)
- Peak
- Hurricane, Category 4
- Max sustained wind
- 155 mph (135 kt)
- Lowest pressure
- 928 mb
- Landfalls
- 0
Track
- Hurricane
- Tropical Storm
- Tropical Depression
- Other
- Large white-ringed dots: landfall
Every track point (47)
| UTC | Status | Position | Wind kt | mb | Note |
|---|---|---|---|---|---|
| 1990-07-19 12:00 | TD | 12.0°N 106.5°W | 25 | 1012 | |
| 1990-07-19 18:00 | TD | 12.0°N 107.4°W | 25 | 1012 | |
| 1990-07-20 00:00 | TD | 12.1°N 108.3°W | 25 | 1011 | |
| 1990-07-20 06:00 | TD | 12.2°N 109.3°W | 30 | 1011 | |
| 1990-07-20 12:00 | TD | 12.3°N 109.9°W | 30 | 1010 | |
| 1990-07-20 18:00 | TD | 12.6°N 110.6°W | 30 | 1008 | |
| 1990-07-21 00:00 | TS | 12.9°N 111.3°W | 35 | 1004 | |
| 1990-07-21 06:00 | TS | 13.3°N 112.0°W | 45 | 1000 | |
| 1990-07-21 12:00 | TS | 13.8°N 112.7°W | 55 | 996 | |
| 1990-07-21 18:00 | HU | 14.3°N 113.2°W | 65 | 989 | |
| 1990-07-22 00:00 | HU | 14.8°N 113.7°W | 75 | 978 | |
| 1990-07-22 06:00 | HU | 15.3°N 114.2°W | 90 | 965 | |
| 1990-07-22 12:00 | HU | 15.7°N 114.8°W | 105 | 954 | |
| 1990-07-22 18:00 | HU | 16.2°N 115.3°W | 115 | 945 | |
| 1990-07-23 00:00 | HU | 16.6°N 115.9°W | 125 | 939 | |
| 1990-07-23 06:00 | HU | 17.0°N 116.5°W | 130 | 933 | |
| 1990-07-23 12:00 | HU | 17.3°N 117.2°W | 135 | 929 | |
| 1990-07-23 18:00 | HU | 17.5°N 117.9°W | 135 | 928 | |
| 1990-07-24 00:00 | HU | 17.6°N 118.5°W | 130 | 929 | |
| 1990-07-24 06:00 | HU | 17.8°N 119.0°W | 125 | 933 | |
| 1990-07-24 12:00 | HU | 17.9°N 119.6°W | 120 | 939 | |
| 1990-07-24 18:00 | HU | 18.0°N 120.1°W | 115 | 945 | |
| 1990-07-25 00:00 | HU | 18.2°N 120.7°W | 115 | 949 | |
| 1990-07-25 06:00 | HU | 18.3°N 121.3°W | 110 | 951 | |
| 1990-07-25 12:00 | HU | 18.4°N 121.9°W | 110 | 952 | |
| 1990-07-25 18:00 | HU | 18.5°N 122.6°W | 110 | 954 | |
| 1990-07-26 00:00 | HU | 18.7°N 123.3°W | 105 | 955 | |
| 1990-07-26 06:00 | HU | 19.0°N 124.0°W | 105 | 956 | |
| 1990-07-26 12:00 | HU | 19.2°N 124.8°W | 100 | 961 | |
| 1990-07-26 18:00 | HU | 19.4°N 125.7°W | 90 | 967 | |
| 1990-07-27 00:00 | HU | 19.6°N 126.5°W | 80 | 972 | |
| 1990-07-27 06:00 | HU | 19.8°N 127.3°W | 75 | 977 | |
| 1990-07-27 12:00 | HU | 19.9°N 128.2°W | 70 | 982 | |
| 1990-07-27 18:00 | HU | 20.0°N 129.0°W | 65 | 986 | |
| 1990-07-28 00:00 | TS | 20.0°N 129.9°W | 60 | 990 | |
| 1990-07-28 06:00 | TS | 20.1°N 130.9°W | 55 | 993 | |
| 1990-07-28 12:00 | TS | 20.2°N 131.8°W | 50 | 996 | |
| 1990-07-28 18:00 | TS | 20.4°N 132.7°W | 45 | 998 | |
| 1990-07-29 00:00 | TS | 20.7°N 133.6°W | 45 | 1000 | |
| 1990-07-29 06:00 | TS | 21.0°N 134.5°W | 40 | 1002 | |
| 1990-07-29 12:00 | TS | 21.5°N 135.3°W | 35 | 1004 | |
| 1990-07-29 18:00 | TS | 22.0°N 136.0°W | 35 | 1006 | |
| 1990-07-30 00:00 | TD | 22.8°N 136.7°W | 30 | 1008 | |
| 1990-07-30 06:00 | TD | 23.6°N 137.3°W | 30 | 1009 | |
| 1990-07-30 12:00 | TD | 24.5°N 137.8°W | 30 | 1010 | |
| 1990-07-30 18:00 | TD | 25.3°N 138.2°W | 25 | 1010 | |
| 1990-07-31 00:00 | TD | 26.2°N 138.5°W | 25 | 1011 |
From the National Hurricane Center's best-track archive (HURDAT2), its post-season reanalysis; values can differ from the advisories issued at the time. Source: hurdat2-1851-2025-092326.txt, hurdat2-nepac-1949-2025-092926.txt.