Storm Activity: Jul 16, 1970 - Jul 20, 1970
Jul 20 · 00:00 GMT 35 mph -- Tropical Depression
| Jul 20 | 00:00 GMT | 21.6 | -109.4 | 35 mph | -- | Tropical Depression | -- |
| Jul 19 | 21:00 GMT | 21.98 | -109.3 | 35 mph | -- | Tropical Depression | -- |
| Jul 19 | 18:00 GMT | 22.2 | -109.3 | 35 mph | -- | Tropical Depression | -- |
| Jul 19 | 15:00 GMT | 22.16 | -109.45 | 35 mph | -- | Tropical Storm | -- |
| Jul 19 | 12:00 GMT | 22 | -109.6 | 40 mph | -- | Tropical Storm | -- |
| Jul 19 | 09:00 GMT | 21.92 | -109.6 | 45 mph | -- | Tropical Storm | -- |
| Jul 19 | 06:00 GMT | 21.8 | -109.5 | 45 mph | -- | Tropical Storm | -- |
| Jul 19 | 03:00 GMT | 21.62 | -109.41 | 50 mph | -- | Tropical Storm | -- |
| Jul 19 | 00:00 GMT | 21.4 | -109.2 | 50 mph | -- | Tropical Storm | -- |
| Jul 18 | 21:00 GMT | 21.16 | -108.8 | 55 mph | -- | Tropical Storm | -- |
| Jul 18 | 18:00 GMT | 20.9 | -108.3 | 60 mph | -- | Tropical Storm | -- |
| Jul 18 | 15:00 GMT | 20.67 | -107.82 | 50 mph | -- | Tropical Storm | -- |
| Jul 18 | 12:00 GMT | 20.4 | -107.4 | 45 mph | -- | Tropical Storm | -- |
| Jul 18 | 09:00 GMT | 20.07 | -107.12 | 45 mph | -- | Tropical Storm | -- |
| Jul 18 | 06:00 GMT | 19.7 | -106.9 | 40 mph | -- | Tropical Storm | -- |
| Jul 18 | 03:00 GMT | 19.29 | -106.64 | 40 mph | -- | Tropical Storm | -- |
| Jul 18 | 00:00 GMT | 18.9 | -106.4 | 40 mph | -- | Tropical Storm | -- |
| Jul 17 | 21:00 GMT | 18.58 | -106.2 | 40 mph | -- | Tropical Storm | -- |
| Jul 17 | 18:00 GMT | 18.3 | -106 | 40 mph | -- | Tropical Storm | -- |
| Jul 17 | 15:00 GMT | 17.99 | -105.75 | 35 mph | -- | Tropical Depression | -- |
| Jul 17 | 12:00 GMT | 17.7 | -105.5 | 35 mph | -- | Tropical Depression | -- |
| Jul 17 | 09:00 GMT | 17.44 | -105.29 | 35 mph | -- | Tropical Depression | -- |
| Jul 17 | 06:00 GMT | 17.2 | -105.1 | 35 mph | -- | Tropical Depression | -- |
| Jul 17 | 03:00 GMT | 16.95 | -104.92 | 35 mph | -- | Tropical Depression | -- |
| Jul 17 | 00:00 GMT | 16.7 | -104.7 | 35 mph | -- | Tropical Depression | -- |
| Jul 16 | 21:00 GMT | 16.43 | -104.43 | 35 mph | -- | Tropical Depression | -- |
| Jul 16 | 18:00 GMT | 16.2 | -104.1 | 35 mph | -- | Tropical Depression | -- |
| Jul 16 | 15:00 GMT | 16.03 | -103.72 | 30 mph | -- | Tropical Depression | -- |
| Jul 16 | 12:00 GMT | 15.9 | -103.3 | 30 mph | -- | Tropical Depression | -- |
Learn more about Tropical Storm Helga and the 1970 Eastern Pacific hurricane season in our hurricane archive.
View All Hurricanes and Tropical Cyclones