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TROPICAL CYCLONES IN 2009

SIX-HOURLY POSITION AND INTENSITY DATA OF SUPER TYPHOON NIDA (0922)

Month Date Time
(UTC)		 Intensity Estimated minimum
central pressure
(hPa)		 Estimated maximum
surface winds
(m/s)		 Lat.
°N		 Long.
°E
Nov
22
0000
T.D.
1002
13
6.9
148.2
0600
T.D.
1000
13
7.2
148.1
1200
T.D.
1002
13
7.4
148.0
1800
T.D.
1002
13
7.6
148.0
23
0000
T.D.
1002
13
7.8
148.0
0600
T.D.
1000
16
8.2
147.6
1200
T.S.
998
18
8.5
147.1
1800
T.S.
995
21
8.7
146.3
24
0000
T.S.
990
23
8.8
145.8
0600
S.T.S.
985
25
8.9
145.5
1200
S.T.S.
980
28
9.3
145.0
1800
S.T.S.
975
31
9.9
144.2
25
0000
T.
960
39
10.6
143.8
0600
S.T.
940
46
11.7
143.0
1200
SuperT.
925
54
12.6
142.1
1800
SuperT.
910
59
13.6
141.4
26
0000
SuperT.
910
59
14.6
140.7
0600
SuperT.
915
57
15.2
140.0
1200
SuperT.
915
57
15.8
139.7
1800
SuperT.
915
57
16.3
139.3
27
0000
SuperT.
920
54
16.8
139.1
0600
SuperT.
920
54
17.8
139.2
1200
SuperT.
930
52
18.3
138.9
1800
SuperT.
930
52
18.7
138.9
28
0000
SuperT.
930
52
19.0
139.1
0600
SuperT.
930
52
19.1
139.1
1200
SuperT.
930
52
19.1
139.2
1800
SuperT.
930
52
19.2
139.3
29
0000
S.T.
935
49
19.3
139.3
0600
S.T.
935
49
19.4
139.3
1200
S.T.
935
49
19.5
139.2
1800
S.T.
935
49
19.6
139.3
30
0000
S.T.
945
46
19.6
139.4
0600
S.T.
950
43
19.7
139.2
1200
T.
955
41
19.9
139.0
1800
T.
955
41
20.0
138.7
Dec
1
0000
T.
960
39
20.3
138.3
0600
T.
965
36
20.5
137.8
1200
T.
970
33
20.6
137.3
1800
S.T.S.
975
31
20.7
136.9
2
0000
S.T.S.
975
31
20.9
136.2
0600
S.T.S.
985
25
21.0
135.8
1200
T.S.
990
23
21.2
135.0
1800
T.S.
995
21
21.5
134.6
3
0000
T.D.
1000
16
21.7
134.2
0600
T.D.
1002
13
22.0
134.4

Dissipated

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