Accumulated Cyclone Energy (ACE)
| ACE (104kt²) (Source) — Storm: | |||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 1 | 18.4 | Norbert | 10 | (1.59) | Kika | ||||||||
| 2 | 12.1 | Hernan | 11 | 1.41 | Iselle | ||||||||
| 3 | 11.5 | Elida | 12 | 1.38 | Julio | ||||||||
| 4 | 10.1 | Fausto | 13 | 1.33 | Cristina | ||||||||
| 5 | 7.68 | Boris | 14 | 1.13 | Polo | ||||||||
| 6 | 5.68 | Genevieve | 15 | 0.830 | Alma | ||||||||
| 7 | 5.05 | Marie | 16 | 0.613 | Douglas | ||||||||
| 8 | 2.56 | Odile | 17 | 0.245 | Karina | ||||||||
| 9 | 2.18 | Lowell | |||||||||||
| Total: 82.1 (1.59) | |||||||||||||
The table on the right shows the ACE for each storm in the season. ACE is, broadly speaking, a measure of the power of the hurricane multiplied by the length of time it existed, so storms that last a long time, as well as particularly strong hurricanes, have high ACEs. ACE is only calculated for full advisories on tropical systems at or exceeding 34 knots (39 mph, 63 km/h) or tropical storm strength.
The figures in parentheses are for storms in the Central Pacific basin west of 140°W; those not in parenthesis are for the Eastern Pacific basin.
Read more about this topic: Tropical Storm Douglas (2008)
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