1997 Pacific Typhoon Season - Accumulated Cyclone Energy (ACE) Ranking

Accumulated Cyclone Energy (ACE) Ranking

ACE (104 kt2)
1 65.8375 Paka 17 10.295 Marie
2 57.955 Joan 18 9.9525 Peter
3 52.12 Keith 19 5.12 Mort
4 43.44 Isa 20 4.59 Fritz
5 42.68 Oliwa 21 4.3925 Scott
6 42.225 Ivan 22 4.135 Zita
7 40.5575 Winnie 23 4.0875 Linda
8 31.0525 Nestor 24 3.3575 Levi
9 26.1125 Rosie 25 2.9675 Jimmy
10 24.9825 Ginger 26 2.5975 Victor
11 24.8025 Bing 27 2.435 Hannah
12 24.37 Amber 28 1.1175 Ella
13 19.7325 David 29 1.0925 Kelly
14 17.4575 Tina 30 0.89 Cass
15 11.082 Yule 31 0.565 Hank
16 11.06 Opal
Total=594.11

The table on the right shows the Accumulated Cyclone Energy for each storm in the season. The ACE is, broadly speaking, a measure of the power of the typhoon multiplied by the length of time it existed for, so typhoons that lasted a long time (like Typhoon Paka) have higher ACEs. The total ACE for the 1997 season was 594.11, which is the highest ACE for any tropical cyclone season in recorded history. This was because 11 of the 33 storms in the season reached super typhoon status. ACE for Linda, Paka, and Oliwa only include ACE during the time they were in the Western Pacific Basin.

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