Storm Activity: 4/17/1978 - 5/1/1978
Date | Time | Lat | Lon | Wind (mph) | Pressure (mb) | Storm Type |
|---|---|---|---|---|---|---|
| 4/17/1978 | 12:00:00 AM | 6.30 | 141.20 | 0 | 1006 | Tropical Depression |
| 4/17/1978 | 3:00:00 AM | 6.74 | 141.28 | 0 | 1006 | Tropical Depression |
| 4/17/1978 | 6:00:00 AM | 7.00 | 141.00 | 0 | 1006 | Tropical Depression |
| 4/17/1978 | 9:00:00 AM | 6.98 | 140.13 | 0 | 1006 | Tropical Depression |
| 4/17/1978 | 12:00:00 PM | 7.00 | 139.00 | 0 | 1006 | Tropical Depression |
| 4/17/1978 | 3:00:00 PM | 7.47 | 137.97 | 0 | 1006 | Tropical Depression |
| 4/17/1978 | 6:00:00 PM | 8.00 | 137.00 | 0 | 1006 | Tropical Depression |
| 4/17/1978 | 9:00:00 PM | 8.25 | 136.14 | 0 | 1005 | Tropical Depression |
| 4/18/1978 | 12:00:00 AM | 8.40 | 135.40 | 0 | 1004 | Tropical Depression |
| 4/18/1978 | 3:00:00 AM | 8.56 | 134.78 | 0 | 1003 | Tropical Depression |
| 4/18/1978 | 6:00:00 AM | 8.70 | 134.20 | 0 | 1002 | Tropical Depression |
| 4/18/1978 | 9:00:00 AM | 8.85 | 133.57 | 0 | 1001 | Tropical Depression |
| 4/18/1978 | 12:00:00 PM | 9.00 | 132.90 | 0 | 1000 | Tropical Depression |
| 4/18/1978 | 3:00:00 PM | 9.14 | 132.22 | 0 | 998 | Tropical Depression |
| 4/18/1978 | 6:00:00 PM | 9.30 | 131.50 | 40 | 996 | Tropical Storm |
| 4/18/1978 | 9:00:00 PM | 9.49 | 130.77 | 40 | 995 | Tropical Storm |
| 4/19/1978 | 12:00:00 AM | 9.70 | 130.00 | 40 | 994 | Tropical Storm |
| 4/19/1978 | 3:00:00 AM | 9.91 | 129.17 | 46 | 993 | Tropical Storm |
| 4/19/1978 | 6:00:00 AM | 10.10 | 128.40 | 52 | 992 | Tropical Storm |
| 4/19/1978 | 9:00:00 AM | 10.25 | 127.81 | 54 | 991 | Tropical Storm |
| 4/19/1978 | 12:00:00 PM | 10.40 | 127.30 | 58 | 990 | Severe Tropical Storm |
| 4/19/1978 | 3:00:00 PM | 10.58 | 126.77 | 58 | 987 | Severe Tropical Storm |
| 4/19/1978 | 6:00:00 PM | 10.80 | 126.20 | 58 | 985 | Severe Tropical Storm |
| 4/19/1978 | 9:00:00 PM | 11.04 | 125.52 | 58 | 985 | Severe Tropical Storm |
| 4/20/1978 | 12:00:00 AM | 11.30 | 124.80 | 58 | 985 | Severe Tropical Storm |
| 4/20/1978 | 3:00:00 AM | 11.61 | 124.14 | 58 | 985 | Severe Tropical Storm |
| 4/20/1978 | 6:00:00 AM | 11.90 | 123.50 | 58 | 985 | Severe Tropical Storm |
| 4/20/1978 | 9:00:00 AM | 12.11 | 122.90 | 58 | 985 | Severe Tropical Storm |
| 4/20/1978 | 12:00:00 PM | 12.30 | 122.30 | 58 | 985 | Severe Tropical Storm |
| 4/20/1978 | 3:00:00 PM | 12.56 | 121.66 | 54 | 987 | Severe Tropical Storm |
| 4/20/1978 | 6:00:00 PM | 12.80 | 121.00 | 52 | 990 | Tropical Storm |
| 4/20/1978 | 9:00:00 PM | 12.98 | 120.32 | 48 | 993 | Tropical Storm |
| 4/21/1978 | 12:00:00 AM | 13.10 | 119.70 | 46 | 996 | Tropical Storm |
| 4/21/1978 | 3:00:00 AM | 13.15 | 119.23 | 48 | 993 | Tropical Storm |
| 4/21/1978 | 6:00:00 AM | 13.20 | 118.80 | 52 | 990 | Tropical Storm |
| 4/21/1978 | 9:00:00 AM | 13.34 | 118.29 | 54 | 987 | Tropical Storm |
| 4/21/1978 | 12:00:00 PM | 13.50 | 117.80 | 58 | 985 | Severe Tropical Storm |
| 4/21/1978 | 3:00:00 PM | 13.60 | 117.38 | 60 | 982 | Severe Tropical Storm |
| 4/21/1978 | 6:00:00 PM | 13.70 | 117.00 | 63 | 980 | Severe Tropical Storm |
| 4/21/1978 | 9:00:00 PM | 13.84 | 116.65 | 66 | 977 | Severe Tropical Storm |
| 4/22/1978 | 12:00:00 AM | 14.00 | 116.30 | 69 | 975 | Severe Tropical Storm |
| 4/22/1978 | 3:00:00 AM | 14.13 | 115.91 | 71 | 972 | Severe Tropical Storm |
| 4/22/1978 | 6:00:00 AM | 14.30 | 115.50 | 75 | 970 | Typhoon |
| 4/22/1978 | 9:00:00 AM | 14.59 | 115.09 | 77 | 965 | Typhoon |
| 4/22/1978 | 12:00:00 PM | 14.90 | 114.70 | 81 | 960 | Typhoon |
| 4/22/1978 | 3:00:00 PM | 15.16 | 114.39 | 81 | 957 | Typhoon |
| 4/22/1978 | 6:00:00 PM | 15.40 | 114.10 | 81 | 955 | Typhoon |
| 4/22/1978 | 9:00:00 PM | 15.59 | 113.79 | 81 | 955 | Typhoon |
| 4/23/1978 | 12:00:00 AM | 15.80 | 113.50 | 81 | 955 | Typhoon |
| 4/23/1978 | 3:00:00 AM | 16.09 | 113.26 | 81 | 955 | Typhoon |
| 4/23/1978 | 6:00:00 AM | 16.40 | 113.10 | 81 | 955 | Typhoon |
| 4/23/1978 | 9:00:00 AM | 16.64 | 113.01 | 81 | 955 | Typhoon |
| 4/23/1978 | 12:00:00 PM | 16.90 | 113.00 | 81 | 955 | Typhoon |
| 4/23/1978 | 3:00:00 PM | 17.23 | 113.00 | 81 | 955 | Typhoon |
| 4/23/1978 | 6:00:00 PM | 17.60 | 113.10 | 81 | 955 | Typhoon |
| 4/23/1978 | 9:00:00 PM | 18.01 | 113.35 | 81 | 955 | Typhoon |
| 4/24/1978 | 12:00:00 AM | 18.40 | 113.70 | 81 | 955 | Typhoon |
| 4/24/1978 | 3:00:00 AM | 18.71 | 114.06 | 81 | 955 | Typhoon |
| 4/24/1978 | 6:00:00 AM | 19.00 | 114.50 | 81 | 955 | Typhoon |
| 4/24/1978 | 9:00:00 AM | 19.36 | 115.05 | 86 | 957 | Typhoon |
| 4/24/1978 | 12:00:00 PM | 19.70 | 115.70 | 92 | 960 | Typhoon |
| 4/24/1978 | 3:00:00 PM | 19.96 | 116.44 | 86 | 962 | Typhoon |
| 4/24/1978 | 6:00:00 PM | 20.20 | 117.20 | 81 | 965 | Typhoon |
| 4/24/1978 | 9:00:00 PM | 20.52 | 117.86 | 81 | 967 | Typhoon |
| 4/25/1978 | 12:00:00 AM | 20.80 | 118.60 | 81 | 970 | Typhoon |
| 4/25/1978 | 3:00:00 AM | 20.91 | 119.57 | 81 | 972 | Typhoon |
| 4/25/1978 | 6:00:00 AM | 21.00 | 120.70 | 81 | 975 | Typhoon |
| 4/25/1978 | 9:00:00 AM | 21.20 | 121.96 | 81 | 975 | Typhoon |
| 4/25/1978 | 12:00:00 PM | 21.40 | 123.20 | 81 | 975 | Typhoon |
| 4/25/1978 | 3:00:00 PM | 21.51 | 124.25 | 75 | 977 | Typhoon |
| 4/25/1978 | 6:00:00 PM | 21.60 | 125.20 | 69 | 980 | Severe Tropical Storm |
| 4/25/1978 | 9:00:00 PM | 21.71 | 126.09 | 66 | 980 | Severe Tropical Storm |
| 4/26/1978 | 12:00:00 AM | 21.80 | 127.00 | 63 | 980 | Severe Tropical Storm |
| 4/26/1978 | 3:00:00 AM | 21.84 | 128.10 | 63 | 980 | Severe Tropical Storm |
| 4/26/1978 | 6:00:00 AM | 21.90 | 129.20 | 63 | 980 | Severe Tropical Storm |
| 4/26/1978 | 9:00:00 AM | 22.02 | 130.12 | 63 | 982 | Severe Tropical Storm |
| 4/26/1978 | 12:00:00 PM | 22.20 | 131.00 | 63 | 985 | Severe Tropical Storm |
| 4/26/1978 | 3:00:00 PM | 22.43 | 131.99 | 58 | 987 | Severe Tropical Storm |
| 4/26/1978 | 6:00:00 PM | 22.70 | 133.00 | 52 | 990 | Tropical Storm |
| 4/26/1978 | 9:00:00 PM | 23.02 | 134.06 | 48 | 992 | Tropical Storm |
| 4/27/1978 | 12:00:00 AM | 23.30 | 135.00 | 46 | 994 | Tropical Storm |
| 4/27/1978 | 3:00:00 AM | 23.44 | 135.65 | 46 | 995 | Tropical Storm |
| 4/27/1978 | 6:00:00 AM | 23.50 | 136.20 | 46 | 996 | Tropical Storm |
| 4/27/1978 | 9:00:00 AM | 23.52 | 136.90 | 46 | 996 | Tropical Storm |
| 4/27/1978 | 12:00:00 PM | 23.50 | 137.60 | 46 | 996 | Tropical Storm |
| 4/27/1978 | 3:00:00 PM | 23.50 | 138.22 | 0 | 998 | Tropical Storm |
| 4/27/1978 | 6:00:00 PM | 23.50 | 138.80 | 0 | 1000 | Tropical Depression |
| 4/27/1978 | 9:00:00 PM | 23.50 | 139.43 | 0 | 1002 | Tropical Depression |
| 4/28/1978 | 12:00:00 AM | 23.50 | 140.00 | 0 | 1004 | Tropical Depression |
| 4/28/1978 | 3:00:00 AM | 23.48 | 140.48 | 0 | 1005 | Tropical Depression |
| 4/28/1978 | 6:00:00 AM | 23.50 | 140.80 | 0 | 1006 | Tropical Depression |
| 4/28/1978 | 9:00:00 AM | 23.63 | 140.96 | 0 | 1007 | Tropical Depression |
| 4/28/1978 | 12:00:00 PM | 23.80 | 141.00 | 0 | 1008 | Tropical Depression |
| 4/28/1978 | 3:00:00 PM | 23.92 | 141.02 | 0 | 1009 | Tropical Depression |
| 4/28/1978 | 6:00:00 PM | 24.00 | 141.00 | 0 | 1010 | Tropical Depression |
| 4/28/1978 | 9:00:00 PM | 24.06 | 141.00 | 0 | 1011 | Tropical Depression |
| 4/29/1978 | 12:00:00 AM | 24.10 | 141.00 | 0 | 1012 | Tropical Depression |
| 4/29/1978 | 3:00:00 AM | 24.12 | 141.00 | 0 | 1012 | Tropical Depression |
| 4/29/1978 | 6:00:00 AM | 24.20 | 141.00 | 0 | 1012 | Tropical Depression |
| 4/29/1978 | 9:00:00 AM | 24.43 | 141.04 | 0 | 1012 | Tropical Depression |
| 4/29/1978 | 12:00:00 PM | 24.70 | 141.00 | 0 | 1012 | Tropical Depression |
| 4/29/1978 | 3:00:00 PM | 24.89 | 140.79 | 0 | 1012 | Tropical Depression |
| 4/29/1978 | 6:00:00 PM | 25.00 | 140.50 | 0 | 1012 | Tropical Depression |
| 4/29/1978 | 9:00:00 PM | 25.06 | 140.18 | 0 | 1012 | Tropical Depression |
| 4/30/1978 | 12:00:00 AM | 25.00 | 140.00 | 0 | 1012 | Tropical Depression |
| 4/30/1978 | 3:00:00 AM | 24.71 | 140.18 | 0 | 1012 | Tropical Depression |
| 4/30/1978 | 6:00:00 AM | 24.50 | 140.50 | 0 | 1012 | Tropical Depression |
| 4/30/1978 | 9:00:00 AM | 24.68 | 140.79 | 0 | 1012 | Tropical Depression |
| 4/30/1978 | 12:00:00 PM | 25.00 | 141.00 | 0 | 1012 | Tropical Depression |
| 4/30/1978 | 3:00:00 PM | 25.25 | 141.04 | 0 | 1012 | Tropical Depression |
| 4/30/1978 | 6:00:00 PM | 25.50 | 141.00 | 0 | 1012 | Tropical Depression |
| 4/30/1978 | 9:00:00 PM | 25.75 | 140.99 | 0 | 1012 | Tropical Depression |
| 5/1/1978 | 12:00:00 AM | 26.00 | 141.00 | 0 | 1012 | Tropical Depression |