Storm Activity: Dec 11, 1987 - Dec 20, 1987
Dec 20 · 12:00 GMT -- 1,008 mb Tropical Depression
| Dec 20 | 12:00 GMT | 10 | 111.5 | -- | 1,008 mb | Tropical Depression | -- |
| Dec 20 | 09:00 GMT | 10.46 | 111.76 | -- | 1,008 mb | Tropical Depression | -- |
| Dec 20 | 06:00 GMT | 10.9 | 112.1 | -- | 1,008 mb | Tropical Depression | -- |
| Dec 20 | 03:00 GMT | 11.32 | 112.55 | -- | 1,006 mb | Tropical Depression | -- |
| Dec 20 | 00:00 GMT | 11.7 | 113 | -- | 1,004 mb | Tropical Depression | -- |
| Dec 19 | 21:00 GMT | 12.01 | 113.32 | -- | 1,002 mb | Tropical Storm | -- |
| Dec 19 | 18:00 GMT | 12.3 | 113.6 | 40 mph | 1,000 mb | Tropical Storm | -- |
| Dec 19 | 15:00 GMT | 12.69 | 113.89 | 45 mph | 998 mb | Tropical Storm | -- |
| Dec 19 | 12:00 GMT | 13 | 114.2 | 45 mph | 996 mb | Tropical Storm | -- |
| Dec 19 | 09:00 GMT | 13.07 | 114.59 | 50 mph | 994 mb | Tropical Storm | -- |
| Dec 19 | 06:00 GMT | 13 | 115 | 50 mph | 992 mb | Tropical Storm | -- |
| Dec 19 | 03:00 GMT | 12.91 | 115.36 | 55 mph | 991 mb | Severe Tropical Storm | -- |
| Dec 19 | 00:00 GMT | 12.8 | 115.7 | 60 mph | 990 mb | Severe Tropical Storm | -- |
| Dec 18 | 21:00 GMT | 12.71 | 116.04 | 60 mph | 987 mb | Severe Tropical Storm | -- |
| Dec 18 | 18:00 GMT | 12.6 | 116.4 | 60 mph | 985 mb | Severe Tropical Storm | -- |
| Dec 18 | 15:00 GMT | 12.47 | 116.83 | 60 mph | 985 mb | Severe Tropical Storm | -- |
| Dec 18 | 12:00 GMT | 12.3 | 117.3 | 60 mph | 985 mb | Severe Tropical Storm | -- |
| Dec 18 | 09:00 GMT | 12.04 | 117.8 | 60 mph | 985 mb | Severe Tropical Storm | -- |
| Dec 18 | 06:00 GMT | 11.8 | 118.3 | 60 mph | 985 mb | Severe Tropical Storm | -- |
| Dec 18 | 03:00 GMT | 11.66 | 118.75 | 60 mph | 985 mb | Severe Tropical Storm | -- |
| Dec 18 | 00:00 GMT | 11.7 | 119.2 | 60 mph | 985 mb | Severe Tropical Storm | -- |
| Dec 17 | 21:00 GMT | 12.01 | 119.72 | 65 mph | 982 mb | Severe Tropical Storm | -- |
| Dec 17 | 18:00 GMT | 12.4 | 120.2 | 70 mph | 980 mb | Severe Tropical Storm | -- |
| Dec 17 | 15:00 GMT | 12.64 | 120.52 | 70 mph | 977 mb | Typhoon | -- |
| Dec 17 | 12:00 GMT | 12.8 | 120.8 | 75 mph | 975 mb | Typhoon | 1 |
| Dec 17 | 09:00 GMT | 12.88 | 121.19 | 75 mph | 972 mb | Typhoon | 1 |
| Dec 17 | 06:00 GMT | 12.9 | 121.6 | 75 mph | 970 mb | Typhoon | 1 |
| Dec 17 | 03:00 GMT | 12.92 | 121.97 | 70 mph | 972 mb | Severe Tropical Storm | -- |
| Dec 17 | 00:00 GMT | 12.9 | 122.3 | 70 mph | 975 mb | Severe Tropical Storm | -- |
| Dec 16 | 21:00 GMT | 12.82 | 122.62 | 65 mph | 977 mb | Severe Tropical Storm | -- |
| Dec 16 | 18:00 GMT | 12.7 | 122.9 | 65 mph | 980 mb | Severe Tropical Storm | -- |
| Dec 16 | 15:00 GMT | 12.61 | 123.16 | 65 mph | 982 mb | Severe Tropical Storm | -- |
| Dec 16 | 12:00 GMT | 12.5 | 123.4 | 65 mph | 985 mb | Severe Tropical Storm | -- |
| Dec 16 | 09:00 GMT | 12.37 | 123.6 | 70 mph | 980 mb | Typhoon | -- |
| Dec 16 | 06:00 GMT | 12.2 | 123.9 | 75 mph | 975 mb | Typhoon | 1 |
| Dec 16 | 03:00 GMT | 11.94 | 124.46 | 75 mph | 972 mb | Typhoon | 1 |
| Dec 16 | 00:00 GMT | 11.7 | 125.1 | 80 mph | 970 mb | Typhoon | 1 |
| Dec 15 | 21:00 GMT | 11.62 | 125.59 | 85 mph | 965 mb | Typhoon | 1 |
| Dec 15 | 18:00 GMT | 11.6 | 126.1 | 85 mph | 960 mb | Typhoon | 1 |
| Dec 15 | 15:00 GMT | 11.55 | 126.7 | 85 mph | 960 mb | Typhoon | 1 |
| Dec 15 | 12:00 GMT | 11.5 | 127.4 | 85 mph | 960 mb | Typhoon | 1 |
| Dec 15 | 09:00 GMT | 11.44 | 128.23 | 85 mph | 962 mb | Typhoon | 1 |
| Dec 15 | 06:00 GMT | 11.4 | 129.1 | 80 mph | 965 mb | Typhoon | 1 |
| Dec 15 | 03:00 GMT | 11.38 | 129.9 | 80 mph | 965 mb | Typhoon | 1 |
| Dec 15 | 00:00 GMT | 11.4 | 130.7 | 80 mph | 965 mb | Typhoon | 1 |
| Dec 14 | 21:00 GMT | 11.48 | 131.55 | 75 mph | 970 mb | Severe Tropical Storm | 1 |
| Dec 14 | 18:00 GMT | 11.6 | 132.4 | 70 mph | 975 mb | Severe Tropical Storm | -- |
| Dec 14 | 15:00 GMT | 11.73 | 133.19 | 65 mph | 980 mb | Severe Tropical Storm | -- |
| Dec 14 | 12:00 GMT | 11.9 | 134 | 60 mph | 985 mb | Severe Tropical Storm | -- |
| Dec 14 | 09:00 GMT | 12.12 | 134.92 | 55 mph | 987 mb | Tropical Storm | -- |
| Dec 14 | 06:00 GMT | 12.3 | 135.8 | 50 mph | 990 mb | Tropical Storm | -- |
| Dec 14 | 03:00 GMT | 12.35 | 136.5 | 50 mph | 991 mb | Tropical Storm | -- |
| Dec 14 | 00:00 GMT | 12.4 | 137.1 | 50 mph | 992 mb | Tropical Storm | -- |
| Dec 13 | 21:00 GMT | 12.57 | 137.73 | 50 mph | 993 mb | Tropical Storm | -- |
| Dec 13 | 18:00 GMT | 12.8 | 138.3 | 50 mph | 994 mb | Tropical Storm | -- |
| Dec 13 | 15:00 GMT | 13.05 | 138.77 | 50 mph | 994 mb | Tropical Storm | -- |
| Dec 13 | 12:00 GMT | 13.3 | 139.2 | 50 mph | 994 mb | Tropical Storm | -- |
| Dec 13 | 09:00 GMT | 13.55 | 139.72 | 50 mph | 994 mb | Tropical Storm | -- |
| Dec 13 | 06:00 GMT | 13.7 | 140.1 | 50 mph | 994 mb | Tropical Storm | -- |
| Dec 13 | 03:00 GMT | 13.67 | 140.16 | 50 mph | 994 mb | Tropical Storm | -- |
| Dec 13 | 00:00 GMT | 13.5 | 140.1 | 45 mph | 994 mb | Tropical Storm | -- |
| Dec 12 | 21:00 GMT | 13.27 | 140.14 | 45 mph | 995 mb | Tropical Storm | -- |
| Dec 12 | 18:00 GMT | 13 | 140.2 | 45 mph | 996 mb | Tropical Storm | -- |
| Dec 12 | 15:00 GMT | 12.77 | 140.27 | 45 mph | 997 mb | Tropical Storm | -- |
| Dec 12 | 12:00 GMT | 12.5 | 140.4 | 45 mph | 998 mb | Tropical Storm | -- |
| Dec 12 | 09:00 GMT | 12.12 | 140.64 | 45 mph | 999 mb | Tropical Storm | -- |
| Dec 12 | 06:00 GMT | 11.7 | 140.9 | 40 mph | 1,000 mb | Tropical Storm | -- |
| Dec 12 | 03:00 GMT | 11.29 | 141.06 | -- | 1,002 mb | Tropical Depression | -- |
| Dec 12 | 00:00 GMT | 10.9 | 141.2 | -- | 1,004 mb | Tropical Depression | -- |
| Dec 11 | 21:00 GMT | 10.54 | 141.36 | -- | 1,004 mb | Tropical Depression | -- |
| Dec 11 | 18:00 GMT | 10.2 | 141.6 | -- | 1,004 mb | Tropical Depression | -- |
| Dec 11 | 15:00 GMT | 9.86 | 141.96 | -- | 1,005 mb | Tropical Depression | -- |
| Dec 11 | 12:00 GMT | 9.5 | 142.4 | -- | 1,006 mb | Tropical Depression | -- |
| Dec 11 | 09:00 GMT | 9.08 | 142.87 | -- | 1,006 mb | Tropical Depression | -- |
| Dec 11 | 06:00 GMT | 8.7 | 143.4 | -- | 1,006 mb | Tropical Depression | -- |
| Dec 11 | 03:00 GMT | 8.46 | 143.99 | -- | 1,007 mb | Tropical Depression | -- |
| Dec 11 | 00:00 GMT | 8.3 | 144.6 | -- | 1,008 mb | Tropical Depression | -- |
Learn more about Typhoon Phyllis and the 1987 Western Pacific hurricane season in our hurricane archive.
View All Hurricanes and Tropical Cyclones