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This is the page for calculating the Accumulated cyclone energy for the 2024 Pacific hurricane season . If any storms of a season happen to cross years, the storm's ACE counts for the previous year.[ 1]
The ACE is calculated by summing the squares of the estimated maximum sustained velocity of every active tropical storm (wind speed 35 knots or higher), at six-hour intervals. The numbers are divided by 10,000 to make them more manageable. The unit of ACE is 104 kt2 , and for use as an index the unit is assumed. Thus,
ACE
=
∑
v
m
a
x
2
10
4
,
{\displaystyle {\text{ACE}}=\sum _{}^{}{\frac {{v_{\mathrm {max} }}^{2}}{10^{4}}},}
where v max is estimated sustained wind speed in knots.
Adv.
Date
Time
Maximum Sustained Winds (kt)
ACE (104 kt2 )
1 4 July
9 am CST
30
0
2 4 July
2 pm MST
35
0.1225
3 4 July
8 pm MST
35
0.1225
4 5 July
2 am MST
30
0
5 5 July
8 am MST
30
0
6 5 July
2 pm MST
25
0
7 5 July
8 pm MST
25
Remnants
Total
0.245
Adv.
Date
Time
Maximum Sustained Winds (kt)
ACE (104 kt2 )
1 24 July
2 pm PDT
35
0.1225
2 24 July
8 pm PDT
35
0.1225
3 25 July
2 am PDT
40
0.1600
4 25 July
430 am PDT
50
Special
5 25 July
2 pm PDT
50
0.2500
6 25 July
2 pm PDT
50
0.2500
7 25 July
8 pm PDT
45
0.2025
8 26 July
2 am PDT
35
0.1225
9 26 July
8 am PDT
35
0.1225
10 26 July
2 pm PDT
30
Remnants
Total
1.3525
Adv.
Date
Time
Maximum Sustained Winds (kt)
ACE (104 kt2 )
1 31 July
8 am MST
30
0
2 31 July
2 pm MST
40
0.1600
3 31 July
8 pm MST
45
0.2025
4 1 August
2 am MST
50
0.2500
5 1 August
8 am MST
50
0.2500
6 1 August
2 pm MST
55
0.3025
7 1 August
8 pm MST
55
0.3025
8 2 August
2 am MST
60
0.3600
9 2 August
8 am PDT
70
0.4900
10 2 August
2 pm PDT
75
0.5625
11 2 August
8 pm PDT
75
0.5625
12 3 August
2 am PDT
80
0.6400
13 3 August
8 am PDT
80
0.6400
14 3 August
2 pm PDT
75
0.5625
15 3 August
8 pm PDT
70
0.4900
16 4 August
2 am PDT
60
0.3600
17 4 August
8 am PDT
55
0.3025
18 4 August
2 pm PDT
50
0.2500
19 4 August
8 pm PDT
45
0.2025
20 5 August
2 am PDT
40
0.1600
21 5 August
8 am PDT
40
0.1600
22 5 August
2 pm PDT
35
0.1225
23 5 August
8 pm PDT
35
Post-Trop.
Total
7.3325
Adv.
Date
Time
Maximum Sustained Winds (kt)
ACE (104 kt2 )
1 3 August
8 am PDT
35
0.1225
2 3 August
2 pm PDT
35
0.1225
3 3 August
8 pm PDT
35
0.1225
4 4 August
2 am PDT
35
0.1225
5 4 August
8 am PDT
35
0.1225
6 4 August
2 pm PDT
35
0.1225
7 4 August
8 pm PDT
35
0.1225
8 5 August
2 am PDT
35
0.1225
9 5 August
8 am PDT
35
0.1225
10 5 August
2 pm PDT
30
0
11 5 August
8 pm PDT
25
Remnants
Total
1.1025
Adv.
Date
Time
Maximum Sustained Winds (kt)
ACE (104 kt2 )
1 4 August
8 am MST
30
0
2 4 August
2 pm MST
30
0
3 4 August
8 pm MST
35
0.1225
4 5 August
2 am MST
35
0.1225
5 5 August
8 am MST
40
0.1600
6 5 August
2 pm MST
45
0.2025
7 5 August
8 pm MST
45
0.2025
8 6 August
2 am PDT
55
0.3025
9 6 August
8 am PDT
55
0.3025
10 6 August
2 pm PDT
55
0.3025
11 6 August
8 pm PDT
55
0.3025
12 7 August
2 am PDT
55
0.3025
13 7 August
8 am PDT
60
0.3600
14 7 August
2 pm PDT
55
0.3025
15 7 August
8 pm PDT
50
0.2500
16 8 August
2 am PDT
35
0.1225
17 8 August
8 am PDT
35
0.1225
18 8 August
2 pm PDT
35
0.1225
19 8 August
8 pm PDT
30
Remnants
Total
3.6025
Adv.
Date
Time
Maximum Sustained Winds (kt)
ACE (104 kt2 )
1 5 August
8 am MST
35
0.1225
2 5 August
2 pm MST
35
0.1225
3 5 August
8 pm MST
45
0.2025
4 6 August
2 am MST
55
0.3025
5 6 August
8 am MST
55
0.3025
6 6 August
2 pm MST
50
0.2500
7 6 August
8 pm PDT
45
0.2025
8 7 August
2 am PDT
40
0.1600
9 7 August
8 am PDT
40
0.1600
10 7 August
2 pm PDT
35
Post-Trop.
Total
1.825
Adv.
Date
Time
Maximum Sustained Winds (kt)
ACE (104 kt2 )
1 18 August
8 am MST
30
0
2 18 August
2 pm MST
35
0.1225
3 18 August
8 pm MST
35
0.1225
4 19 August
2 am MST
45
0.2025
5 19 August
8 am PDT
45
0.2025
6 19 August
2 pm PDT
50
0.2500
7 19 August
8 pm PDT
50
0.2500
8 20 August
2 am PDT
45
0.2025
9 20 August
8 am PDT
45
0.2025
10 20 August
2 pm PDT
55
0.3025
11 20 August
8 pm PDT
60
0.3600
12 21 August
2 am PDT
65
0.4225
13 21 August
8 am PDT
75
0.5625
14 21 August
2 pm PDT
90
0.8100
15 21 August
8 pm PDT
95
0.9025
16 22 August
2 am PDT
100
1.0000
17 22 August
5 am HST
110
1.2100
18 22 August
11 am HST
110
1.2100
19 22 August
5 pm HST
105
1.1025
20 22 August
11 pm HST
105
1.1025
21 23 August
5 am HST
100
1.0000
22 23 August
11 am HST
90
0.8100
23 23 August
5 pm HST
90
0.8100
24 23 August
11 pm HST
85
0.7225
25 24 August
5 am HST
80
0.6400
26 24 August
11 am HST
95
0.9025
27 24 August
2 pm HST
105
Special
28 24 August
5 pm HST
110
1.2100
29 24 August
11 pm HST
115
1.3225
30 25 August
5 am HST
110
1.2100
31 25 August
11 am HST
100
1.0000
32 25 August
5 pm HST
90
0.8100
33 25 August
11 pm HST
85
0.7225
34 26 August
5 am HST
90
0.8100
35 26 August
11 am HST
95
0.9025
36 26 August
5 pm HST
95
0.9025
37 26 August
11 pm HST
90
0.8100
Total
25.125
Adv.
Date
Time
Maximum Sustained Winds (kt)
ACE (104 kt2 )
38 27 August
5 am HST
65
0.4225
39 27 August
11 am HST
55
0.3025
40 27 August
5 pm HST
45
0.2025
41 27 August
11 pm HST
45
0.2025
42 28 August
5 am HST
40
0.1600
43 28 August
11 am HST
40
0.1600
44 28 August
5 pm HST
35
0.1225
45 28 August
11 pm HST
35
0.1225
46 29 August
5 am HST
30
0
47 29 August
11 am HST
30
0
48 29 August
5 pm HST
25
Remnants
Total
1.695
Adv.
Date
Time
Maximum Sustained Winds (kt)
ACE (104 kt2 )
1 22 August
5 am HST
30
0
2 22 August
11 am HST
35
0.1225
3 22 August
5 pm HST
35
0.1225
4 22 August
11 pm HST
40
0.1600
5 23 August
5 am HST
40
0.1600
6 23 August
11 am HST
45
0.2025
7 23 August
5 pm HST
45
0.2025
8 23 August
11 pm HST
50
0.2500
8A 24 August
2 am HST
55
Special
9 24 August
5 am HST
55
0.3025
9A 24 August
8 am HST
55
Special
10 24 August
11 am HST
55
0.3025
11 24 August
5 pm HST
55
0.3025
12 24 August
11 pm HST
65
0.4225
13 25 August
5 am HST
75
0.5625
14 25 August
11 am HST
70
0.4900
15 25 August
5 pm HST
65
0.4225
16 25 August
11 pm HST
60
0.3600
17 26 August
5 am HST
55
0.3025
18 26 August
11 am HST
55
0.3025
19 26 August
5 pm HST
50
0.2500
20 26 August
11 pm HST
50
0.2500
21 27 August
5 am HST
45
0.2025
22 27 August
11 am HST
45
0.2025
23 27 August
5 pm HST
45
0.2025
24 27 August
11 pm HST
45
0.2025
25 28 August
5 am HST
45
0.2025
26 28 August
11 am HST
45
0.2025
27 28 August
5 pm HST
45
0.2025
28 28 August
11 pm HST
40
0.1600
29 29 August
5 am HST
35
0.1225
30 29 August
11 am HST
35
0.1225
31 29 August
5 pm HST
30
0
32 29 August
11 pm HST
30
0
33 30 August
5 am HST
30
0
34 30 August
11 am HST
30
0
35 30 August
5 pm HST
30
0
36 30 August
11 pm HST
30
0
37 31 August
5 am HST
35
0.1225
38 31 August
11 am HST
35
0.1225
39 31 August
5 pm HST
35
0.1225
40 31 August
11 pm HST
35
0.1225
41 1 September
5 am HST
35
0.1225
42 1 September
11 am HST
35
Post-Tropical
Total
7.925
Adv.
Date
Time
Maximum Sustained Winds (kt)
ACE (104 kt2 )
1 25 August
11 am HST
40
0.1600
2 25 August
5 pm HST
40
0.1600
3 25 August
11 pm HST
40
0.1600
4 26 August
5 am HST
45
0.2025
5 25 August
11 am HST
45
0.2025
6 26 August
5 pm HST
45
0.2025
7 26 August
11 pm HST
45
0.2025
8 27 August
5 am HST
40
0.1600
9 27 August
11 am HST
45
0.2025
10 27 August
5 pm HST
45
0.2025
11 27 August
11 pm HST
45
0.2025
12 28 August
5 am HST
45
0.2025
13 28 August
11 am HST
40
0.1600
14 28 August
5 pm HST
35
0.1225
15 29 August
2 am PDT
30
Remnants
Total
2.5425
Adv.
Date
Time
Maximum Sustained Winds (kt)
ACE (104 kt2 )
1 12 September
8 am MST
30
0
2 12 September
2 pm MST
35
0.1225
3 12 September
8 pm MST
40
0.1600
4 13 September
2 am MST
40
0.1600
5 13 September
8 am MST
40
0.1600
6 13 September
2 pm MST
40
0.1600
7 13 September
8 pm MST
35
0.1225
8 14 September
2 am MST
35
0.1225
9 14 September
8 am MST
35
0.1225
10 14 September
2 pm MST
35
0.1225
11 14 September
8 pm MST
35
0.1225
12 15 September
2 am MST
30
0
13 15 September
8 am MST
30
Remnants
Total
1.375
Adv.
Date
Time
Maximum Sustained Winds (kt)
ACE (104 kt2 )
1 22 September
3 pm CST
30
0
2 22 September
9 pm CST
30
0
2A 23 September
12 am CST
35
Special
3 23 September
3 am CST
40
0.1600
4 23 September
9 am CST
60
0.3600
5 23 September
12 pm CST
75
Special
6 23 September
3 pm CST
85
0.7225
7 23 September
9 pm CST
105
1.1025
8 24 September
3 am CST
60
0.3600
9 24 September
9 am CST
35
0.1225
10 24 September
12 pm CST
30
Remnants
Between 12 pm CST 24 September and 9 am CST 25 September,
11 25 September
9 am CST
35
0.1225
12 25 September
3 pm CST
45
0.2025
13 25 September
9 pm CST
55
0.3025
14 26 September
3 am CST
60
0.3600
15 26 September
9 am CST
65
0.4225
16 26 September
3 pm CST
65
0.4225
17 26 September
9 pm CST
60
0.3600
18 27 September
3 am CST
55
0.3025
19 27 September
9 am CST
50
0.2500
20 27 September
3 pm CST
30
Remnants
Total
5.5725
Adv.
Date
Time
Maximum Sustained Winds (kt)
ACE (104 kt2 )
1 1 October
3 pm CST
30
0
2 1 October
9 pm CST
30
0
3 2 October
3 am CST
30
0
4 2 October
9 am CST
30
0
5 2 October
3 pm CST
30
0
6 2 October
9 pm CST
30
0
7 3 October
3 am CST
30
0
8 3 October
9 am CST
30
0
9 3 October
3 am CST
35
Remnants
Total
0
Adv.
Date
Time
Maximum Sustained Winds (kt)
ACE (104 kt2 )
1 21 October
3 pm CST
35
0.1225
2 21 October
9 pm CST
40
0.1600
3 22 October
3 am CST
45
0.2025
4 22 October
8 am MST
50
0.2500
5 22 October
2 pm MST
65
0.4225
6 22 October
8 pm MST
70
0.4900
7 23 October
2 am MST
85
0.7225
8 23 October
8 am MST
110
1.2100
9 23 October
2 pm PDT
135
1.8225
10 23 October
8 pm PDT
135
1.8225
11 24 October
2 am PDT
130
1.6900
12 24 October
8 am PDT
130
1.6900
13 24 October
2 pm PDT
140
1.9600
14 24 October
8 pm PDT
135
1.8225
15 25 October
2 am PDT
130
1.6900
16 25 October
8 am PDT
110
1.2100
17 25 October
2 pm PDT
100
1.0000
18 25 October
8 pm PDT
90
0.8100
19 26 October
2 am PDT
85
0.7225
20 26 October
8 am PDT
65
0.4225
21 26 October
2 pm PDT
55
0.3025
22 26 October
8 pm PDT
50
0.2500
23 27 October
2 am PDT
45
0.2025
24 27 October
8 am PDT
40
Post-Tropical
Total
20.9975
Adv.
Date
Time
Maximum Sustained Winds (kt)
ACE (104 kt2 )
1 1 November
2 pm CST
30
0
2 1 November
8 pm CST
30
0
3 2 November
2 am MST
35
0.1225
4 2 November
8 am MST
40
0.1600
5 2 November
2 pm MST
40
0.1600
6 2 November
8 pm MST
35
0.1225
7 3 November
1 am MST
30
0
8 3 November
7 am MST
30
Remnants
Total
0.565
Adv.
Date
Time
Maximum Sustained Winds (kt)
ACE (104 kt2 )
1 6 November
8 am MST
30
0
2 6 November
3 pm CST
25
0
3 6 November
9 pm CST
25
0
Total
'
Storm Type ACE (104 kt2 ) 01E (Aletta) Best track 0.3675 02E (Bud) Best track 1.1875 03E (Carlotta) Operational 7.3325 04E (Daniel) Operational 1.1025 05E (Emilia) Best track 3.575 06E (Fabio) Operational 1.8250 07E (Gilma) Best track 26.0700 01C (Hone) Operational (7.925) 08E (Hector) Operational 2.5425 09E (Ileana) Operational 1.3750 10E (John) Operational 5.5725 11E (TD11) Operational 0 12E (Kristy) Operational 20.9975 13E (Lane) Operational 0.565 Total 72.5125
