Tropical Storm Gretchen (1970)
Jul 14, 12:00 PM UTC – Jul 21, 12:00 PM UTC (7.0 days)
- Peak
- Tropical Storm
- Max sustained wind
- 50 mph (45 kt)
- Lowest pressure
- 1009 mb
- Landfalls
- 0
Track
- Hurricane
- Tropical Storm
- Tropical Depression
- Other
- Large white-ringed dots: landfall
Every track point (29)
| UTC | Status | Position | Wind kt | mb | Note |
|---|---|---|---|---|---|
| 1970-07-14 12:00 | TD | 15.1°N 107.7°W | 25 | — | |
| 1970-07-14 18:00 | TD | 15.4°N 109.1°W | 30 | — | |
| 1970-07-15 00:00 | TS | 15.8°N 110.5°W | 40 | — | |
| 1970-07-15 06:00 | TS | 16.3°N 111.5°W | 40 | — | |
| 1970-07-15 12:00 | TS | 16.7°N 112.6°W | 45 | — | |
| 1970-07-15 18:00 | TS | 16.8°N 113.4°W | 45 | 1009 | |
| 1970-07-16 00:00 | TS | 16.7°N 114.2°W | 45 | — | |
| 1970-07-16 06:00 | TS | 16.6°N 114.8°W | 45 | — | |
| 1970-07-16 12:00 | TS | 16.5°N 115.4°W | 45 | — | |
| 1970-07-16 18:00 | TS | 16.5°N 115.8°W | 45 | — | |
| 1970-07-17 00:00 | TS | 16.6°N 116.2°W | 45 | — | |
| 1970-07-17 06:00 | TS | 17.0°N 116.4°W | 45 | — | |
| 1970-07-17 12:00 | TS | 17.3°N 116.7°W | 45 | — | |
| 1970-07-17 18:00 | TS | 17.4°N 117.0°W | 45 | — | |
| 1970-07-18 00:00 | TS | 17.6°N 117.2°W | 45 | — | |
| 1970-07-18 06:00 | TS | 17.8°N 117.4°W | 45 | — | |
| 1970-07-18 12:00 | TS | 17.9°N 117.7°W | 45 | — | |
| 1970-07-18 18:00 | TS | 18.0°N 117.9°W | 40 | — | |
| 1970-07-19 00:00 | TS | 18.2°N 118.2°W | 40 | — | |
| 1970-07-19 06:00 | TS | 18.3°N 118.4°W | 40 | — | |
| 1970-07-19 12:00 | TS | 18.5°N 118.6°W | 40 | — | |
| 1970-07-19 18:00 | TS | 18.6°N 118.7°W | 40 | — | |
| 1970-07-20 00:00 | TS | 18.7°N 118.9°W | 35 | — | |
| 1970-07-20 06:00 | TS | 18.9°N 119.2°W | 35 | — | |
| 1970-07-20 12:00 | TD | 18.9°N 119.6°W | 30 | — | |
| 1970-07-20 18:00 | TD | 18.8°N 120.0°W | 25 | — | |
| 1970-07-21 00:00 | TD | 18.7°N 120.4°W | 25 | — | |
| 1970-07-21 06:00 | TD | 18.6°N 120.8°W | 25 | — | |
| 1970-07-21 12:00 | TD | 18.4°N 121.3°W | 25 | — |
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.