09L (Potential Cyclone — Northwestern Caribbean Sea)
Latest observation
Last updated: Tuesday, 24 September — 8:00 AM Eastern Daylight Time (EDT; 12:00 UTC)
| NHC Advisory #4A | 8:00 AM EDT (12:00 UTC) | |
|---|---|---|
| Current location: | 19.2°N 83.5°W | |
| Relative location: | 224 km (139 mi) W of George Town, Cayman Islands | |
| 356 km (221 mi) S of Pinar del Rio, Cuba | ||
| 411 km (255 mi) ESE of Cancún, Quintana Roo (Mexico) | ||
| Forward motion: | NW (305°) at 15 km/h (8 knots) | |
| Maximum winds: | 55 km/h (30 knots) | |
| Intensity: | Tropical Depression | |
| Minimum pressure: | 1001 millibars (29.56 inches) | |
| 2-day potential: (through 8PM Wed) | high (90 percent) | |
| 7-day potential: (through 8PM Sun) | high (90 percent) |
Official forecast
Last updated: Tuesday, 24 September — 2:00 AM EDT (06:00 UTC)
| Hour | Date | Time | Intensity | Winds | Lat | Long | |||
|---|---|---|---|---|---|---|---|---|---|
| - | UTC | EDT | Saffir-Simpson | knots | km/h | °N | °W | ||
| 00 | 24 Sep | 06:00 | 2AM Tue | Potential Cyclone | 30 | 55 | 18.9 | 83.0 | |
| 12 | 24 Sep | 18:00 | 2PM Tue | Tropical Storm | ▲ | 40 | 75 | 19.6 | 84.2 |
| 24 | 25 Sep | 06:00 | 2AM Wed | Tropical Storm | ▲ | 50 | 95 | 20.7 | 85.7 |
| 36 | 25 Sep | 18:00 | 2PM Wed | Hurricane (Category 1) | ▲ | 65 | 120 | 22.0 | 86.2 |
| 48 | 26 Sep | 06:00 | 2AM Thu | Hurricane (Category 1) | ▲ | 80 | 150 | 24.3 | 85.6 |
| 60 | 26 Sep | 18:00 | 2PM Thu | Major Hurricane (Category 3) | ▲ | 100 | 185 | 27.8 | 84.4 |
| 72 | 27 Sep | 06:00 | 2AM Fri | Tropical Storm i | ▼ | 60 | 110 | 31.9 | 83.5 |
| 96 | 28 Sep | 06:00 | 2AM Sat | Post-tropical Cyclone i | ▼ | 15 | 30 | 38.5 | 85.5 |
| 120 | 29 Sep | 06:00 | 2AM Sun | Dissipated | |||||
NOTES:
i - inland
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