1978 Storm Archive: Major Hurricane Greta (09/13/1978 - 09/20/1978)
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Storm Coordinates
| Date: | Time: | Lat: | Lon: | Wind(mph): | Pressure: | Storm Type: |
| 09/13 | 18 GMT | 11.0 | 62.5 | 30 | 0 | Tropical Depression |
| 09/14 | 00 GMT | 11.5 | 64.5 | 30 | 0 | Tropical Depression |
| 09/14 | 06 GMT | 12.0 | 66.0 | 35 | 0 | Tropical Depression |
| 09/14 | 12 GMT | 12.5 | 67.5 | 40 | 0 | Tropical Storm |
| 09/14 | 18 GMT | 13.0 | 69.0 | 40 | 1004 | Tropical Storm |
| 09/15 | 00 GMT | 13.3 | 70.4 | 45 | 0 | Tropical Storm |
| 09/15 | 06 GMT | 13.4 | 71.7 | 45 | 0 | Tropical Storm |
| 09/15 | 12 GMT | 13.5 | 73.1 | 50 | 0 | Tropical Storm |
| 09/15 | 18 GMT | 13.7 | 74.2 | 60 | 1000 | Tropical Storm |
| 09/16 | 00 GMT | 13.8 | 75.3 | 65 | 995 | Tropical Storm |
| 09/16 | 06 GMT | 13.8 | 76.7 | 70 | 0 | Tropical Storm |
| 09/16 | 12 GMT | 14.0 | 77.7 | 80 | 989 | Category 1 Hurricane |
| 09/16 | 18 GMT | 14.3 | 78.7 | 85 | 0 | Category 1 Hurricane |
| 09/17 | 00 GMT | 14.6 | 79.6 | 90 | 982 | Category 1 Hurricane |
| 09/17 | 06 GMT | 14.9 | 80.5 | 100 | 0 | Category 2 Hurricane |
| 09/17 | 12 GMT | 15.2 | 81.6 | 105 | 974 | Category 2 Hurricane |
| 09/17 | 18 GMT | 15.5 | 82.6 | 110 | 968 | Category 2 Hurricane |
| 09/18 | 00 GMT | 15.6 | 83.4 | 125 | 952 | Major Hurricane |
| 09/18 | 06 GMT | 15.8 | 84.3 | 135 | 947 | Major Hurricane |
| 09/18 | 12 GMT | 16.4 | 85.6 | 120 | 957 | Major Hurricane |
| 09/18 | 18 GMT | 16.6 | 86.9 | 115 | 964 | Major Hurricane |
| 09/19 | 00 GMT | 17.0 | 88.2 | 110 | 964 | Category 2 Hurricane |
| 09/19 | 06 GMT | 17.0 | 89.4 | 60 | 0 | Tropical Storm |
| 09/19 | 12 GMT | 16.7 | 90.7 | 35 | 0 | Tropical Depression |
| 09/19 | 18 GMT | 16.0 | 92.0 | 35 | 0 | Tropical Depression |
| 09/20 | 00 GMT | 15.7 | 93.0 | 35 | 0 | Tropical Depression |
