Validation of sea ice concentration - Asian sector
Bulletin date: 2022-12-01
Data source: OSI SAF N.H. AMSR sea ice concentration
Model vs. observations, sea ice class contingency tables
Date: 2022-11-25:
| Best estimate |
Forecast |
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
62 |
1684 |
39 |
47 |
50 |
20 |
0 |
0 |
| OW |
0 |
132 |
32 |
11 |
15 |
4 |
0 |
0 |
| VODI |
0 |
63 |
42 |
52 |
44 |
22 |
0 |
0 |
| ODI |
0 |
23 |
11 |
60 |
48 |
56 |
0 |
0 |
| CDI |
0 |
13 |
4 |
21 |
60 |
127 |
27 |
2 |
| VCDI |
0 |
7 |
18 |
41 |
58 |
773 |
10695 |
17719 |
|
...date precedes bulletin
|
Date: 2022-11-27:
| Best estimate |
Forecast |
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
0 |
1541 |
237 |
62 |
66 |
6 |
0 |
0 |
| OW |
0 |
134 |
25 |
21 |
15 |
13 |
0 |
0 |
| VODI |
0 |
56 |
42 |
38 |
30 |
35 |
0 |
0 |
| ODI |
0 |
14 |
17 |
63 |
23 |
72 |
17 |
0 |
| CDI |
0 |
10 |
6 |
30 |
49 |
106 |
92 |
3 |
| VCDI |
0 |
0 |
26 |
49 |
63 |
440 |
12334 |
16347 |
|
...date precedes bulletin
|
Date: 2022-11-29:
| Best estimate |
Forecast |
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
0 |
1786 |
85 |
65 |
49 |
21 |
0 |
0 |
| OW |
0 |
74 |
49 |
37 |
11 |
12 |
0 |
0 |
| VODI |
0 |
20 |
30 |
83 |
33 |
22 |
1 |
0 |
| ODI |
0 |
9 |
6 |
35 |
62 |
89 |
9 |
0 |
| CDI |
0 |
8 |
7 |
19 |
31 |
205 |
125 |
0 |
| VCDI |
0 |
0 |
22 |
32 |
53 |
320 |
11812 |
16860 |
|
...date precedes bulletin
|
Date: 2022-12-01:
| Best estimate |
Forecast |
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
0 |
1771 |
156 |
57 |
64 |
0 |
0 |
0 |
| OW |
0 |
95 |
75 |
35 |
16 |
0 |
0 |
0 |
| VODI |
0 |
56 |
52 |
70 |
55 |
5 |
0 |
0 |
| ODI |
0 |
20 |
28 |
37 |
74 |
65 |
5 |
0 |
| CDI |
0 |
14 |
15 |
37 |
95 |
161 |
60 |
2 |
| VCDI |
0 |
5 |
35 |
54 |
134 |
821 |
10830 |
17083 |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
0 |
1797 |
175 |
60 |
63 |
0 |
0 |
0 |
| OW |
0 |
76 |
64 |
40 |
14 |
0 |
0 |
0 |
| VODI |
0 |
50 |
47 |
61 |
49 |
0 |
0 |
0 |
| ODI |
0 |
18 |
28 |
43 |
81 |
59 |
2 |
0 |
| CDI |
0 |
17 |
14 |
35 |
98 |
177 |
58 |
6 |
| VCDI |
0 |
3 |
33 |
51 |
133 |
816 |
10835 |
17079 |
|
Date: 2022-12-03:
| Best estimate |
Forecast |
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
0 |
1740 |
81 |
73 |
99 |
14 |
0 |
0 |
| OW |
0 |
104 |
45 |
55 |
33 |
0 |
0 |
0 |
| VODI |
0 |
89 |
42 |
79 |
67 |
21 |
0 |
0 |
| ODI |
0 |
34 |
25 |
55 |
88 |
86 |
0 |
0 |
| CDI |
0 |
17 |
35 |
34 |
86 |
229 |
67 |
0 |
| VCDI |
0 |
5 |
33 |
92 |
151 |
1754 |
15390 |
11359 |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
0 |
1787 |
103 |
84 |
97 |
14 |
0 |
0 |
| OW |
0 |
75 |
33 |
52 |
38 |
0 |
0 |
0 |
| VODI |
0 |
76 |
39 |
70 |
65 |
20 |
0 |
0 |
| ODI |
0 |
32 |
29 |
55 |
95 |
78 |
0 |
0 |
| CDI |
0 |
12 |
28 |
39 |
68 |
249 |
85 |
0 |
| VCDI |
0 |
7 |
29 |
88 |
161 |
1743 |
15372 |
11359 |
|
Date: 2022-12-05:
| Best estimate |
Forecast |
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
0 |
1658 |
348 |
167 |
39 |
0 |
0 |
0 |
| OW |
0 |
129 |
65 |
50 |
44 |
0 |
0 |
0 |
| VODI |
0 |
86 |
70 |
86 |
101 |
17 |
0 |
0 |
| ODI |
0 |
40 |
60 |
66 |
85 |
85 |
2 |
0 |
| CDI |
0 |
29 |
41 |
54 |
78 |
167 |
23 |
0 |
| VCDI |
0 |
0 |
25 |
39 |
93 |
1396 |
10875 |
16064 |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
0 |
1563 |
340 |
153 |
52 |
0 |
0 |
0 |
| OW |
0 |
157 |
33 |
35 |
41 |
0 |
0 |
0 |
| VODI |
0 |
133 |
94 |
53 |
52 |
15 |
0 |
0 |
| ODI |
0 |
45 |
52 |
73 |
62 |
46 |
0 |
0 |
| CDI |
0 |
29 |
23 |
47 |
87 |
84 |
35 |
0 |
| VCDI |
0 |
15 |
67 |
101 |
146 |
1520 |
10865 |
16064 |
|
Date: 2022-12-07:
| Best estimate |
Forecast |
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
0 |
988 |
717 |
166 |
64 |
0 |
0 |
0 |
| OW |
0 |
52 |
68 |
60 |
46 |
0 |
0 |
0 |
| VODI |
0 |
19 |
65 |
185 |
96 |
16 |
0 |
0 |
| ODI |
0 |
5 |
18 |
115 |
132 |
62 |
1 |
0 |
| CDI |
0 |
3 |
1 |
75 |
89 |
141 |
27 |
12 |
| VCDI |
0 |
0 |
0 |
27 |
156 |
2187 |
11575 |
14914 |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
0 |
926 |
671 |
133 |
62 |
0 |
0 |
0 |
| OW |
0 |
64 |
67 |
53 |
28 |
0 |
0 |
0 |
| VODI |
0 |
41 |
53 |
98 |
81 |
18 |
0 |
0 |
| ODI |
0 |
30 |
20 |
133 |
78 |
31 |
0 |
0 |
| CDI |
0 |
5 |
41 |
116 |
109 |
73 |
7 |
17 |
| VCDI |
0 |
1 |
17 |
95 |
225 |
2284 |
11596 |
14909 |
|
Date: 2022-12-09:
| Best estimate |
Forecast |
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
0 |
933 |
528 |
104 |
56 |
18 |
0 |
0 |
| OW |
0 |
17 |
46 |
103 |
41 |
31 |
0 |
0 |
| VODI |
0 |
8 |
17 |
58 |
70 |
36 |
0 |
0 |
| ODI |
0 |
0 |
4 |
33 |
103 |
71 |
0 |
0 |
| CDI |
0 |
0 |
0 |
51 |
164 |
239 |
4 |
2 |
| VCDI |
0 |
0 |
0 |
1 |
91 |
1338 |
9783 |
18132 |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
0 |
818 |
416 |
74 |
36 |
1 |
0 |
0 |
| OW |
0 |
88 |
109 |
70 |
42 |
6 |
0 |
0 |
| VODI |
0 |
34 |
40 |
74 |
68 |
49 |
0 |
0 |
| ODI |
0 |
11 |
11 |
28 |
56 |
56 |
0 |
0 |
| CDI |
0 |
5 |
12 |
26 |
105 |
126 |
36 |
16 |
| VCDI |
0 |
2 |
7 |
78 |
218 |
1495 |
9751 |
18118 |
|
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