Storm Activity: Apr 13, 1970 - Apr 16, 1970
Apr 16 · 18:00 GMT 35 mph 997 mb Tropical Cyclone
| Apr 16 | 18:00 GMT | -19.6 | -175.9 | 35 mph | 997 mb | Tropical Cyclone | -- |
| Apr 16 | 15:00 GMT | -19.33 | -175.78 | 35 mph | 997 mb | Tropical Cyclone | -- |
| Apr 16 | 12:00 GMT | -19.07 | -175.65 | 35 mph | 997 mb | Tropical Cyclone | -- |
| Apr 16 | 09:00 GMT | -18.82 | -175.49 | 35 mph | 997 mb | Tropical Cyclone | -- |
| Apr 16 | 06:00 GMT | -18.6 | -175.3 | 35 mph | 997 mb | Tropical Cyclone | -- |
| Apr 16 | 03:00 GMT | -18.41 | -175.06 | 35 mph | 997 mb | Tropical Cyclone | -- |
| Apr 16 | 00:00 GMT | -18.24 | -174.79 | 35 mph | 997 mb | Tropical Cyclone | -- |
| Apr 15 | 21:00 GMT | -18.11 | -174.5 | 35 mph | 997 mb | Tropical Cyclone | -- |
| Apr 15 | 18:00 GMT | -18 | -174.2 | 35 mph | 997 mb | Tropical Cyclone | -- |
| Apr 15 | 15:00 GMT | -17.94 | -173.9 | 35 mph | 997 mb | Tropical Cyclone | -- |
| Apr 15 | 12:00 GMT | -17.91 | -173.61 | 35 mph | 997 mb | Tropical Cyclone | -- |
| Apr 15 | 09:00 GMT | -17.87 | -173.33 | 35 mph | 997 mb | Tropical Cyclone | -- |
| Apr 15 | 06:00 GMT | -17.8 | -173.1 | 35 mph | 997 mb | Tropical Cyclone | -- |
| Apr 15 | 03:00 GMT | -17.64 | -172.85 | 35 mph | 995 mb | Tropical Cyclone | -- |
| Apr 15 | 00:00 GMT | -17.46 | -172.66 | 40 mph | 993 mb | Tropical Cyclone | -- |
| Apr 14 | 21:00 GMT | -17.27 | -172.56 | 45 mph | 991 mb | Tropical Cyclone | -- |
| Apr 14 | 18:00 GMT | -17.1 | -172.6 | 45 mph | 990 mb | Tropical Cyclone | -- |
| Apr 14 | 15:00 GMT | -17.01 | -172.83 | 45 mph | 990 mb | Tropical Cyclone | -- |
| Apr 14 | 12:00 GMT | -16.95 | -173.18 | 45 mph | 990 mb | Tropical Cyclone | -- |
| Apr 14 | 09:00 GMT | -16.89 | -173.59 | 45 mph | 990 mb | Tropical Cyclone | -- |
| Apr 14 | 06:00 GMT | -16.8 | -174 | 45 mph | 990 mb | Tropical Cyclone | -- |
| Apr 14 | 03:00 GMT | -16.67 | -174.34 | 45 mph | 990 mb | Tropical Cyclone | -- |
| Apr 14 | 00:00 GMT | -16.5 | -174.63 | 45 mph | 990 mb | Tropical Cyclone | -- |
| Apr 13 | 21:00 GMT | -16.31 | -174.87 | 45 mph | 990 mb | Tropical Cyclone | -- |
| Apr 13 | 18:00 GMT | -16.1 | -175.1 | 45 mph | 990 mb | Tropical Cyclone | -- |
Learn more about Tropical Cyclone Helen and the 1970 Southern Hemisphere hurricane season in our hurricane archive.
View All Hurricanes and Tropical Cyclones