Storm Activity: Dec 12, 1988 - Dec 19, 1988
Dec 19 · 16:00 GMT 30 mph 1,000 mb Tropical Depression
| Dec 19 | 16:00 GMT | -26.7 | 127 | 30 mph | 1,000 mb | Tropical Depression | -- |
| Dec 19 | 15:00 GMT | -26.7 | 126.68 | 30 mph | 999 mb | Tropical Depression | -- |
| Dec 19 | 12:00 GMT | -26.7 | 125.7 | 30 mph | 999 mb | Tropical Depression | -- |
| Dec 19 | 09:00 GMT | -26.67 | 124.7 | 30 mph | 998 mb | Tropical Depression | -- |
| Dec 19 | 06:00 GMT | -26.6 | 123.7 | 30 mph | 998 mb | Tropical Depression | -- |
| Dec 19 | 03:00 GMT | -26.49 | 122.71 | 30 mph | 998 mb | Tropical Depression | -- |
| Dec 19 | 00:00 GMT | -26.4 | 121.8 | 35 mph | 998 mb | Tropical Depression | -- |
| Dec 18 | 21:00 GMT | -26.42 | 121 | 35 mph | 997 mb | Tropical Depression | -- |
| Dec 18 | 18:00 GMT | -26.4 | 120.3 | 35 mph | 996 mb | Tropical Depression | -- |
| Dec 18 | 15:00 GMT | -26.24 | 119.69 | 35 mph | 995 mb | Tropical Depression | -- |
| Dec 18 | 12:00 GMT | -25.9 | 119.1 | 35 mph | 995 mb | Tropical Depression | -- |
| Dec 18 | 09:00 GMT | -25.38 | 118.38 | 40 mph | 990 mb | Tropical Cyclone | -- |
| Dec 18 | 06:00 GMT | -24.7 | 117.7 | 45 mph | 985 mb | Tropical Cyclone | -- |
| Dec 18 | 03:00 GMT | -24 | 117.21 | 55 mph | 980 mb | Tropical Cyclone | -- |
| Dec 18 | 00:00 GMT | -23.2 | 116.8 | 65 mph | 975 mb | Tropical Cyclone | -- |
| Dec 17 | 21:00 GMT | -22.3 | 116.4 | 75 mph | 970 mb | Tropical Cyclone | 1 |
| Dec 17 | 18:00 GMT | -21.6 | 116.2 | 85 mph | 965 mb | Tropical Cyclone | 1 |
| Dec 17 | 15:00 GMT | -20.9 | 116 | 90 mph | 960 mb | Tropical Cyclone | 1 |
| Dec 17 | 12:00 GMT | -20.2 | 116 | 90 mph | 960 mb | Tropical Cyclone | 1 |
| Dec 17 | 09:00 GMT | -19.65 | 115.88 | 90 mph | 960 mb | Tropical Cyclone | 1 |
| Dec 17 | 06:00 GMT | -19.2 | 115.7 | 90 mph | 960 mb | Tropical Cyclone | 1 |
| Dec 17 | 03:00 GMT | -18.71 | 115.54 | 90 mph | 960 mb | Tropical Cyclone | 1 |
| Dec 17 | 00:00 GMT | -18.3 | 115.4 | 90 mph | 960 mb | Tropical Cyclone | 1 |
| Dec 16 | 21:00 GMT | -18.01 | 115.33 | 90 mph | 961 mb | Tropical Cyclone | 1 |
| Dec 16 | 18:00 GMT | -17.8 | 115.3 | 85 mph | 962 mb | Tropical Cyclone | 1 |
| Dec 16 | 15:00 GMT | -17.59 | 115.3 | 85 mph | 963 mb | Tropical Cyclone | 1 |
| Dec 16 | 12:00 GMT | -17.4 | 115.3 | 80 mph | 964 mb | Tropical Cyclone | 1 |
| Dec 16 | 09:00 GMT | -17.19 | 115.25 | 80 mph | 964 mb | Tropical Cyclone | 1 |
| Dec 16 | 06:00 GMT | -17 | 115.2 | 80 mph | 965 mb | Tropical Cyclone | 1 |
| Dec 16 | 03:00 GMT | -16.89 | 115.19 | 75 mph | 966 mb | Tropical Cyclone | 1 |
| Dec 16 | 00:00 GMT | -16.8 | 115.2 | 75 mph | 967 mb | Tropical Cyclone | 1 |
| Dec 15 | 21:00 GMT | -16.65 | 115.18 | 75 mph | 968 mb | Tropical Cyclone | 1 |
| Dec 15 | 18:00 GMT | -16.5 | 115.2 | 75 mph | 969 mb | Tropical Cyclone | 1 |
| Dec 15 | 15:00 GMT | -16.4 | 115.3 | 75 mph | 970 mb | Tropical Cyclone | 1 |
| Dec 15 | 12:00 GMT | -16.3 | 115.3 | 75 mph | 970 mb | Tropical Cyclone | 1 |
| Dec 15 | 09:00 GMT | -16.2 | 115.4 | 75 mph | 972 mb | Tropical Cyclone | 1 |
| Dec 15 | 06:00 GMT | -16.2 | 115.5 | 70 mph | 974 mb | Tropical Cyclone | -- |
| Dec 15 | 03:00 GMT | -16 | 115.6 | 65 mph | 977 mb | Tropical Cyclone | -- |
| Dec 15 | 00:00 GMT | -16.1 | 115.8 | 65 mph | 980 mb | Tropical Cyclone | -- |
| Dec 14 | 21:00 GMT | -16.11 | 116 | 60 mph | 982 mb | Tropical Cyclone | -- |
| Dec 14 | 18:00 GMT | -16.1 | 116.2 | 60 mph | 984 mb | Tropical Cyclone | -- |
| Dec 14 | 15:00 GMT | -16.14 | 116.38 | 55 mph | 986 mb | Tropical Cyclone | -- |
| Dec 14 | 12:00 GMT | -16.2 | 116.6 | 50 mph | 988 mb | Tropical Cyclone | -- |
| Dec 14 | 09:00 GMT | -16.24 | 116.89 | 50 mph | 989 mb | Tropical Cyclone | -- |
| Dec 14 | 06:00 GMT | -16.3 | 117.3 | 45 mph | 991 mb | Tropical Cyclone | -- |
| Dec 14 | 03:00 GMT | -16.39 | 117.86 | 45 mph | 991 mb | Tropical Cyclone | -- |
| Dec 14 | 00:00 GMT | -16.5 | 118.5 | 45 mph | 992 mb | Tropical Cyclone | -- |
| Dec 13 | 21:00 GMT | -16.62 | 119.12 | 45 mph | 992 mb | Tropical Cyclone | -- |
| Dec 13 | 18:00 GMT | -16.7 | 119.7 | 45 mph | 993 mb | Tropical Cyclone | -- |
| Dec 13 | 15:00 GMT | -16.74 | 120.17 | 45 mph | 993 mb | Tropical Cyclone | -- |
| Dec 13 | 12:00 GMT | -16.7 | 120.6 | 40 mph | 994 mb | Tropical Cyclone | -- |
| Dec 13 | 09:00 GMT | -16.53 | 121.08 | 40 mph | 994 mb | Tropical Cyclone | -- |
| Dec 13 | 06:00 GMT | -16.3 | 121.6 | 40 mph | 995 mb | Tropical Cyclone | -- |
| Dec 13 | 03:00 GMT | -16.11 | 122.18 | 40 mph | 995 mb | Tropical Cyclone | -- |
| Dec 13 | 00:00 GMT | -15.9 | 122.8 | 40 mph | 996 mb | Tropical Cyclone | -- |
| Dec 12 | 21:00 GMT | -15.61 | 123.45 | 35 mph | 996 mb | Tropical Depression | -- |
| Dec 12 | 18:00 GMT | -15.3 | 124.1 | 35 mph | 997 mb | Tropical Depression | -- |
| Dec 12 | 15:00 GMT | -15 | 124.7 | 35 mph | 997 mb | Tropical Depression | -- |
| Dec 12 | 12:00 GMT | -14.5 | 125.7 | 35 mph | 997 mb | Tropical Depression | -- |
| Dec 12 | 09:00 GMT | -13.8 | 126.3 | 30 mph | 998 mb | Tropical Depression | -- |
| Dec 12 | 06:00 GMT | -13.2 | 126.8 | 30 mph | 998 mb | Tropical Depression | -- |
| Dec 12 | 03:00 GMT | -12.6 | 127.6 | 30 mph | 1,000 mb | Tropical Depression | -- |
| Dec 12 | 00:00 GMT | -12 | 128.3 | 30 mph | 1,000 mb | Tropical Depression | -- |
Learn more about Tropical Cyclone Ilona and the 1989 Southern Hemisphere hurricane season in our hurricane archive.
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