| Tropical Depression Hilary System Track (1999): |
Advisory # |
Advisory Date (UTC) |
Name (UTC) |
Position |
Direction |
Speed (kts) |
Pressure (mb) |
Winds (kts) |
| Lat |
Lon |
| 1 | 1600 FRI SEP 17 | Tropical Depression Thirteen-E | 16.2N | 109.2W | W NW | 10 | 1004 | 30 |
| 2 | 2100 FRI SEP 17 | Tropical Depression Thirteen-E | 16.1N | 109.2W | W NW | 5 | 1004 | 30 |
| 3 | 0300 SAT SEP 18 | Tropical Depression Thirteen-E | 16.6N | 110.1W | W-NW | 7 | 1004 | 30 |
| 4 | 0900 SAT SEP 18 | Tropical Depression Thirteen-E | 16.2N | 110W | W NW | 3 | 1004 | 30 |
| 5 | 1500 SAT SEP 18 | Tropical Storm Hilary | 16.5N | 111.5W | W NW | 6 | 1002 | 35 |
| 6 | 2100 SAT SEP 18 | Tropical Storm Hilary | 16.5N | 112.3W | W NW | 6 | 1000 | 45 |
| 7 | 0300 SUN SEP 19 | Tropical Storm Hilary | 16.9N | 112.4W | NW | 5 | 997 | 50 |
| 8 | 0900 SUN SEP 19 | Tropical Storm Hilary | 17.5N | 112.6W | NW | 6 | 997 | 50 |
| 9 | 1500 SUN SEP 19 | Tropical Storm Hilary | 19.4N | 113.1W | N NW | 8 | 994 | 55 |
| 10 | 2100 SUN SEP 19 | Category 1 Hurricane Hilary | 20.3N | 113.2W | N NW | 10 | 987 | 65 |
| 11 | 0300 MON SEP 20 | Category 1 Hurricane Hilary | 21.4N | 113.7W | N NW | 11 | 987 | 65 |
| 12 | 0900 MON SEP 20 | Category 1 Hurricane Hilary | 22.3N | 114.3W | N NW | 10 | 987 | 65 |
| 13 | 1500 MON SEP 20 | Tropical Storm Hilary | 22.3N | 114.5W | N NW | 10 | 995 | 55 |
| 14 | 2100 MON SEP 20 | Tropical Storm Hilary | 23.1N | 115W | N NW | 7 | 1002 | 40 |
| 15 | 0300 TUE SEP 21 | Tropical Storm Hilary | 24N | 114.7W | N NW | 6 | 1001 | 40 |
| 16 | 0900 TUE SEP 21 | Tropical Storm Hilary | 24.7N | 114.9W | N NW | 6 | 1002 | 35 |
| 17 | 1500 TUE SEP 21 | Tropical Depression Hilary | 25.1N | 114.9W | N | 5 | 1004 | 30 |
| 18 | 2100 TUE SEP 21 | Tropical Depression Hilary | 25.5N | 114.6W | N | 4 | 1006 | 25 |