TROPICAL CYCLONES IN 2009
SIX-HOURLY POSITION AND INTENSITY DATA OF SUPER TYPHOON CHOI-WAN (0914)
| Month | Date | Time (UTC) |
Intensity | Estimated minimum central pressure (hPa) |
Estimated maximum surface winds (m/s) |
Lat. °N |
Long. °E |
| Sep | 12 |
0000 |
T.D. |
1008 |
13 |
14.3 |
153.5 |
0600 |
T.D. |
1006 |
13 |
14.9 |
152.6 |
||
1200 |
T.D. |
1004 |
16 |
15.1 |
152.0 |
||
1800 |
T.S. |
1002 |
18 |
15.4 |
150.9 |
||
13 |
0000 |
T.S. |
998 |
21 |
15.8 |
150.0 |
|
0600 |
T.S. |
994 |
23 |
15.8 |
149.3 |
||
1200 |
S.T.S. |
990 |
25 |
15.7 |
148.7 |
||
1800 |
S.T.S. |
980 |
31 |
15.7 |
148.5 |
||
14 |
0000 |
T. |
965 |
36 |
15.7 |
148.2 |
|
0600 |
T. |
960 |
39 |
15.8 |
147.8 |
||
1200 |
S.T. |
950 |
43 |
16.3 |
147.5 |
||
1800 |
S.T. |
935 |
49 |
16.6 |
147.0 |
||
15 |
0000 |
SuperT. |
930 |
52 |
17.1 |
146.6 |
|
0600 |
SuperT. |
920 |
54 |
17.6 |
145.7 |
||
1200 |
SuperT. |
915 |
57 |
17.9 |
145.0 |
||
1800 |
SuperT. |
910 |
59 |
18.2 |
144.2 |
||
16 |
0000 |
SuperT. |
910 |
59 |
18.6 |
143.4 |
|
0600 |
SuperT. |
910 |
59 |
19.0 |
142.6 |
||
1200 |
SuperT. |
910 |
59 |
19.2 |
141.9 |
||
1800 |
SuperT. |
910 |
59 |
19.6 |
141.4 |
||
17 |
0000 |
SuperT. |
915 |
57 |
20.3 |
140.9 |
|
0600 |
SuperT. |
920 |
54 |
21.0 |
140.3 |
||
1200 |
SuperT. |
925 |
52 |
21.6 |
139.8 |
||
1800 |
S.T. |
935 |
49 |
22.5 |
139.3 |
||
18 |
0000 |
S.T. |
935 |
49 |
23.2 |
138.9 |
|
0600 |
S.T. |
950 |
43 |
24.1 |
138.8 |
||
1200 |
T. |
955 |
41 |
25.1 |
139.0 |
||
1800 |
T. |
955 |
41 |
26.4 |
139.5 |
||
19 |
0000 |
T. |
960 |
39 |
27.7 |
140.4 |
|
0600 |
T. |
960 |
39 |
29.1 |
141.6 |
||
1200 |
T. |
965 |
36 |
30.5 |
143.3 |
||
1800 |
T. |
970 |
36 |
32.7 |
145.1 |
||
20 |
0000 |
T. |
975 |
33 |
34.1 |
146.8 |
|
0600 |
S.T.S. |
980 |
31 |
35.1 |
149.1 |
||
Became Extratropical |
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