Storm Activity: Apr 27, 1999 - May 2, 1999
May 2 · 12:00 GMT -- 1,004 mb Tropical Depression
| May 2 | 12:00 GMT | 22.5 | 115 | -- | 1,004 mb | Tropical Depression | -- |
| May 2 | 09:00 GMT | 22.2 | 114.84 | -- | 1,002 mb | Tropical Depression | -- |
| May 2 | 06:00 GMT | 21.9 | 114.7 | -- | 1,000 mb | Tropical Depression | -- |
| May 2 | 03:00 GMT | 21.62 | 114.6 | -- | 998 mb | Tropical Storm | -- |
| May 2 | 00:00 GMT | 21.4 | 114.6 | 45 mph | 996 mb | Tropical Storm | -- |
| May 1 | 21:00 GMT | 21.28 | 114.77 | 50 mph | 993 mb | Tropical Storm | -- |
| May 1 | 18:00 GMT | 21.2 | 115 | 50 mph | 990 mb | Tropical Storm | -- |
| May 1 | 15:00 GMT | 21.09 | 115.16 | 55 mph | 987 mb | Severe Tropical Storm | -- |
| May 1 | 12:00 GMT | 21 | 115.3 | 60 mph | 985 mb | Severe Tropical Storm | -- |
| May 1 | 09:00 GMT | 20.95 | 115.47 | 60 mph | 982 mb | Severe Tropical Storm | -- |
| May 1 | 06:00 GMT | 20.9 | 115.6 | 65 mph | 980 mb | Severe Tropical Storm | -- |
| May 1 | 03:00 GMT | 20.85 | 115.7 | 65 mph | 977 mb | Severe Tropical Storm | -- |
| May 1 | 00:00 GMT | 20.7 | 115.7 | 70 mph | 975 mb | Severe Tropical Storm | -- |
| Apr 30 | 21:00 GMT | 20.37 | 115.57 | 70 mph | 972 mb | Typhoon | -- |
| Apr 30 | 18:00 GMT | 20 | 115.4 | 75 mph | 970 mb | Typhoon | 1 |
| Apr 30 | 15:00 GMT | 19.73 | 115.31 | 75 mph | 970 mb | Typhoon | 1 |
| Apr 30 | 12:00 GMT | 19.5 | 115.2 | 75 mph | 970 mb | Typhoon | 1 |
| Apr 30 | 09:00 GMT | 19.27 | 115.01 | 75 mph | 970 mb | Typhoon | 1 |
| Apr 30 | 06:00 GMT | 19 | 114.8 | 75 mph | 970 mb | Typhoon | 1 |
| Apr 30 | 03:00 GMT | 18.63 | 114.64 | 75 mph | 970 mb | Typhoon | 1 |
| Apr 30 | 00:00 GMT | 18.3 | 114.5 | 75 mph | 970 mb | Typhoon | 1 |
| Apr 29 | 21:00 GMT | 18.18 | 114.34 | 70 mph | 972 mb | Severe Tropical Storm | -- |
| Apr 29 | 18:00 GMT | 18.1 | 114.2 | 70 mph | 975 mb | Severe Tropical Storm | -- |
| Apr 29 | 15:00 GMT | 17.91 | 114.17 | 65 mph | 980 mb | Severe Tropical Storm | -- |
| Apr 29 | 12:00 GMT | 17.7 | 114.1 | 60 mph | 985 mb | Severe Tropical Storm | -- |
| Apr 29 | 09:00 GMT | 17.53 | 113.89 | 55 mph | 987 mb | Tropical Storm | -- |
| Apr 29 | 06:00 GMT | 17.3 | 113.6 | 50 mph | 990 mb | Tropical Storm | -- |
| Apr 29 | 03:00 GMT | 16.91 | 113.32 | 50 mph | 990 mb | Tropical Storm | -- |
| Apr 29 | 00:00 GMT | 16.5 | 113 | 50 mph | 990 mb | Tropical Storm | -- |
| Apr 28 | 21:00 GMT | 16.21 | 112.64 | 45 mph | 992 mb | Tropical Storm | -- |
| Apr 28 | 18:00 GMT | 16 | 112.3 | 40 mph | 994 mb | Tropical Storm | -- |
| Apr 28 | 15:00 GMT | 15.85 | 112.1 | 40 mph | 995 mb | Tropical Storm | -- |
| Apr 28 | 12:00 GMT | 15.7 | 111.8 | 40 mph | 996 mb | Tropical Storm | -- |
| Apr 28 | 09:00 GMT | 15.38 | 111.05 | 40 mph | 996 mb | Tropical Storm | -- |
| Apr 28 | 06:00 GMT | 15.2 | 110.4 | 40 mph | 996 mb | Tropical Storm | -- |
| Apr 28 | 03:00 GMT | 15.45 | 110.28 | -- | 997 mb | Tropical Depression | -- |
| Apr 28 | 00:00 GMT | 15.8 | 110.5 | -- | 998 mb | Tropical Depression | -- |
| Apr 27 | 21:00 GMT | 15.95 | 110.89 | -- | 999 mb | Tropical Depression | -- |
| Apr 27 | 18:00 GMT | 16 | 111.4 | -- | 1,000 mb | Tropical Depression | -- |
| Apr 27 | 15:00 GMT | 16.1 | 111.89 | -- | 1,001 mb | Tropical Depression | -- |
| Apr 27 | 12:00 GMT | 16 | 112.3 | -- | 1,002 mb | Tropical Depression | -- |
| Apr 27 | 09:00 GMT | 15.54 | 112.54 | -- | 1,002 mb | Tropical Depression | -- |
| Apr 27 | 06:00 GMT | 14.9 | 112.7 | -- | 1,002 mb | Tropical Depression | -- |
| Apr 27 | 03:00 GMT | 14.28 | 112.89 | -- | 1,002 mb | Tropical Depression | -- |
| Apr 27 | 00:00 GMT | 13.7 | 113.1 | -- | 1,002 mb | Tropical Depression | -- |
Learn more about Typhoon Leo and the 1999 Western Pacific hurricane season in our hurricane archive.
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