April 2004: Accumulated Cyclone Energy (ACE) Index

Ocean Basin Tropical Cyclone Cyclogenesis Date Cyclolysis Date Saffir-Simpson Category Maximum 6-hr Sustained Wind (kt) Maximum 6-hr Wind Gust (kt) Accumulated Cyclone Energy (ACE) Index (kt2)
SW Pacific
22P-04 4/7/04 4/9/04 TS 35 45 0.3675 x 104
NW Pacific
Sudal-04 4/4/04 4/15/04 Cat 4 130 160 44.545 x 104