Talk:2010 Pacific typhoon season/ACE calcs

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This is the page for calculating the Accumulated Cyclone Energy for the 2010 Pacific typhoon season using data from the Japan Meteorological Agency.

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 usually 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. If any storms of a season happen to cross years, the storm's ACE counts for the previous year. [1]

where vmax is estimated sustained wind speed in knots.

Omais (Best track)[edit]

Date Time Maximum Sustained Winds (kt) ACE (104 kt2)
24 March 1200 UTC 35 0.1225
24 March 1800 UTC 35 0.1225
25 March 0000 UTC 35 0.1225
25 March 0600 UTC 35 0.1225
25 March 1200 UTC 35 0.1225
25 March 1800 UTC 35 0.1225
Total   0.7350

Conson (Best Track)[edit]

Date Time Maximum Sustained Winds (kt) ACE (104 kt2)
12 July 0000 UTC 35 0.1225
12 July 0600 UTC 45 0.2025
12 July 1200 UTC 60 0.3600
12 July 1800 UTC 70 0.4900
13 July 0000 UTC 70 0.4900
13 July 0600 UTC 70 0.4900
13 July 1200 UTC 70 0.4900
13 July 1800 UTC 60 0.3600
14 July 0000 UTC 60 0.3600
14 July 0600 UTC 50 0.2500
14 July 1200 UTC 45 0.2025
14 July 1800 UTC 45 0.2025
15 July 0000 UTC 50 0.2500
15 July 0600 UTC 60 0.3600
15 July 1200 UTC 70 0.4900
15 July 1800 UTC 70 0.4900
16 July 0000 UTC 70 0.4900
16 July 0600 UTC 70 0.4900
16 July 1200 UTC 70 0.4900
16 July 1800 UTC 70 0.4900
17 July 0000 UTC 60 0.3600
17 July 0600 UTC 50 0.2500
17 July 1200 UTC 45 0.2025
17 July 1800 UTC 40 0.1600
Total   8.5425

Chanthu (Best Track)[edit]

Date Time Maximum Sustained Winds (kt) ACE (104 kt2)
19 July 1200 UTC 35 0.1225
19 July 1800 UTC 35 0.1225
20 July 0000 UTC 35 0.1225
20 July 0600 UTC 40 0.1600
20 July 1200 UTC 45 0.2025
20 July 1800 UTC 50 0.2500
21 July 0000 UTC 55 0.3025
21 July 0600 UTC 60 0.3600
21 July 1200 UTC 65 0.4225
21 July 1800 UTC 65 0.4225
22 July 0000 UTC 70 0.4900
22 July 0600 UTC 70 0.4900
22 July 1200 UTC 65 0.4225
22 July 1800 UTC 55 0.3025
23 July 0000 UTC 45 0.2025
Total   4.3950

Dianmu (Best Track)[edit]

Date Time Maximum Sustained Winds (kt) ACE (104 kt2)
08 August 1200 UTC 35 0.1225
08 August 1800 UTC 45 0.2025
09 August 0000 UTC 45 0.2025
09 August 0600 UTC 50 0.2500
09 August 1200 UTC 50 0.2500
09 August 1800 UTC 50 0.2500
10 August 0000 UTC 50 0.2500
10 August 0600 UTC 50 0.2500
10 August 1200 UTC 50 0.2500
10 August 1800 UTC 50 0.2500
11 August 0000 UTC 45 0.2025
11 August 0600 UTC 45 0.2025
11 August 1200 UTC 45 0.2025
11 August 1800 UTC 40 0.1600
12 August 0000 UTC 40 0.1600
12 August 0600 UTC 40 0.1600
12 August 1200 UTC 35 0.1225
Total   3.4875

Mindulle (Best Track)[edit]

Date Time Maximum Sustained Winds (kt) ACE (104 kt2)
23 August 0000 UTC 35 0.1225
23 August 0600 UTC 35 0.1225
23 August 1200 UTC 40 0.1600
23 August 1800 UTC 40 0.1600
24 August 0000 UTC 45 0.2025
24 August 0600 UTC 45 0.2025
24 August 1200 UTC 40 0.1600
24 August 1800 UTC 35 0.1225
Total   1.2525

Lionrock (Best Track)[edit]

Date Time Maximum Sustained Winds (kt) ACE (104 kt2)
28 August 1800 UTC 35 0.1225
29 August 0000 UTC 35 0.1225
29 August 0600 UTC 35 0.1225
29 August 1200 UTC 40 0.1600
29 August 1800 UTC 40 0.1600
30 August 0000 UTC 45 0.2025
30 August 0600 UTC 50 0.2500
30 August 1200 UTC 50 0.2500
30 August 1800 UTC 50 0.2500
31 August 0000 UTC 50 0.2500
31 August 0600 UTC 50 0.2500
31 August 1200 UTC 50 0.2500
31 August 1800 UTC 50 0.2500
01 September 0000 UTC 45 0.2025
01 September 0600 UTC 45 0.2025
01 September 1200 UTC 45 0.2025
01 September 1800 UTC 45 0.2025
02 September 0000 UTC 35 0.1225
Total   3.5725

Kompasu (Best Track)[edit]

Date Time Maximum Sustained Winds (kt) ACE (104 kt2)
29 August 1800 UTC 35 0.1225
30 August 0000 UTC 45 0.2025
30 August 0600 UTC 50 0.2500
30 August 1200 UTC 60 0.3600
30 August 1800 UTC 70 0.4900
31 August 0000 UTC 80 0.6400
31 August 0600 UTC 80 0.6400
31 August 1200 UTC 80 0.6400
31 August 1800 UTC 80 0.6400
01 September 0000 UTC 75 0.5625
01 September 0600 UTC 70 0.4900
01 September 1200 UTC 70 0.4900
01 September 1800 UTC 60 0.3600
02 September 0000 UTC 50 0.2500
02 September 0600 UTC 45 0.2025
02 September 1200 UTC 35 0.1225
Total   6.4625

Namtheun (Best Track)[edit]

Date Time Maximum Sustained Winds (kt) ACE (104 kt2)
30 August 1200 UTC 35 0.1225
30 August 1800 UTC 35 0.1225
31 August 0000 UTC 35 0.1225
Total   0.3675

Malou (Best Track)[edit]

Date Time Maximum Sustained Winds (kt) ACE (104 kt2)
04 August 0000 UTC 35 0.1225
04 August 0600 UTC 35 0.1225
04 August 1200 UTC 40 0.1600
04 August 1800 UTC 40 0.1600
05 August 0000 UTC 45 0.2025
05 August 0600 UTC 45 0.2025
05 August 1200 UTC 45 0.2025
05 August 1800 UTC 50 0.2500
06 August 0000 UTC 50 0.2500
06 August 0600 UTC 50 0.2500
06 August 1200 UTC 50 0.2500
06 August 1800 UTC 50 0.2500
07 August 0000 UTC 45 0.2025
07 August 0600 UTC 45 0.2025
07 August 1200 UTC 45 0.2025
07 August 1800 UTC 40 0.1600
08 August 0000 UTC 35 0.1225
Total   3.3125

Meranti (Best Track)[edit]

Date Time Maximum Sustained Winds (kt) ACE (104 kt2)
09 September 1800 UTC 35 0.1225
10 September 0000 UTC 40 0.1600
10 September 0600 UTC 45 0.2025
10 September 1200 UTC 50 0.2500
10 September 1800 UTC 60 0.3600
11 September 0000 UTC 40 0.1600
11 September 0600 UTC 35 0.1225
Total   1.3775

Fanapi (Best Track)[edit]

Date Time Maximum Sustained Winds (kt) ACE (104 kt2)
15 September 1200 UTC 35 0.1225
15 September 1800 UTC 45 0.2025
16 September 0000 UTC 50 0.2500
16 September 0600 UTC 55 0.3025
16 September 1200 UTC 60 0.3600
16 September 1800 UTC 65 0.4225
17 September 0000 UTC 65 0.4225
17 September 0600 UTC 70 0.4900
17 September 1200 UTC 75 0.5625
17 September 1800 UTC 80 0.6400
18 September 0000 UTC 85 0.7225
18 September 0600 UTC 85 0.7225
18 September 1200 UTC 85 0.7225
18 September 1800 UTC 95 0.9025
19 September 0000 UTC 80 0.6400
19 September 0600 UTC 65 0.4225
19 September 1200 UTC 60 0.3600
19 September 1800 UTC 60 0.3600
20 September 0000 UTC 50 0.2500
20 September 0600 UTC 45 0.2025
20 September 1200 UTC 40 0.1600
Total   9.2400

Malakas (Best Track)[edit]

Date Time Maximum Sustained Winds (kt) ACE (104 kt2)
22 September 0000 UTC 35 0.1225
22 September 0600 UTC 40 0.1600
22 September 1200 UTC 45 0.2025
22 September 1800 UTC 50 0.2500
23 September 0000 UTC 55 0.3025
23 September 0600 UTC 65 0.4225
23 September 1200 UTC 65 0.4225
23 September 1800 UTC 70 0.4900
24 September 0000 UTC 70 0.4900
24 September 0600 UTC 75 0.5625
24 September 1200 UTC 80 0.6400
24 September 1800 UTC 85 0.7225
25 September 0000 UTC 80 0.6400
25 September 0600 UTC 75 0.5625
Total   5.9900

Megi (Best Track)[edit]

Date Time Maximum Sustained Winds (kt) ACE (104 kt2)
13 October 1200 UTC 35 0.1225
13 October 1800 UTC 35 0.1225
14 October 0000 UTC 40 0.1600
14 October 0600 UTC 45 0.2025
14 October 1200 UTC 50 0.2500
14 October 1800 UTC 55 0.3025
15 October 0000 UTC 60 0.3600
15 October 0600 UTC 65 0.4225
15 October 1200 UTC 70 0.4900
15 October 1800 UTC 75 0.5625
16 October 0000 UTC 75 0.5625
16 October 0600 UTC 80 0.6400
16 October 1200 UTC 85 0.7225
16 October 1800 UTC 100 1.0000
17 October 0000 UTC 105 1.1025
17 October 0600 UTC 110 1.2100
17 October 1200 UTC 120 1.4400
17 October 1800 UTC 125 1.5625
18 October 0000 UTC 125 1.5625
18 October 0600 UTC 105 1.1025
18 October 1200 UTC 90 0.8100
18 October 1800 UTC 85 0.7225
19 October 0000 UTC 80 0.6400
19 October 0600 UTC 80 0.6400
19 October 1200 UTC 80 0.6400
19 October 1800 UTC 80 0.6400
20 October 0000 UTC 80 0.6400
20 October 0600 UTC 80 0.6400
20 October 1200 UTC 85 0.7225
20 October 1800 UTC 85 0.7225
21 October 0000 UTC 90 0.8100
21 October 0600 UTC 95 0.9025
21 October 1200 UTC 95 0.9025
21 October 1800 UTC 85 0.7225
22 October 0000 UTC 80 0.6400
22 October 0600 UTC 75 0.5625
22 October 1200 UTC 70 0.4900
22 October 1800 UTC 60 0.3600
23 October 0000 UTC 50 0.2500
23 October 0600 UTC 40 0.1600
23 October 1200 UTC 35 0.1225
Total   26.6400

Chaba (Best Track)[edit]

Date Time Maximum Sustained Winds (kt) ACE (104 kt2)
24 October 1800 UTC 35 0.1225
25 October 0000 UTC 45 0.2025
25 October 0600 UTC 45 0.2025
25 October 1200 UTC 55 0.3025
25 October 1800 UTC 60 0.3600
26 October 0000 UTC 65 0.4225
26 October 0600 UTC 65 0.4225
26 October 1200 UTC 70 0.4900
26 October 1800 UTC 70 0.4900
27 October 0000 UTC 75 0.5625
27 October 0600 UTC 80 0.6400
27 October 1200 UTC 85 0.7225
27 October 1800 UTC 85 0.7225
28 October 0000 UTC 90 0.8100
28 October 0600 UTC 95 0.9025
28 October 1200 UTC 95 0.9025
28 October 1800 UTC 85 0.7225
29 October 0000 UTC 80 0.6400
29 October 0600 UTC 70 0.4900
29 October 1200 UTC 70 0.4900
29 October 1800 UTC 65 0.4225
30 October 0000 UTC 65 0.4225
30 October 0600 UTC 65 0.4225
30 October 1200 UTC 60 0.3600
Total   12.2475

Season total[edit]

Storm Type ACE (104 kt2)
1001 Omais Best track 0.7350
1002 Conson Best track 8.3425
1003 Chanthu Best track 4.3950
1004 Dianmu Best track 3.4875
1005 Mindulle Best track 1.2525
1006 Lionrock Best track 3.5725
1007 Kompasu Best track 6.4625
1008 Namtheun Best track 0.3675
1009 Malou Best track 3.3125
1010 Meranti Best track 1.3775
1011 Fanapi Best track 9.2400
1012 Malakas Best track 5.9900
1013 Megi Best track 26.6400
1014 Chaba Best track 12.2475
Total 87.4225
  1. ^ Last advisory for T.S. Zeta 2005
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