Validation of sea ice concentration - Asian sector
Reference date: 2025-12-11
Model: GLO MFC - NEMO
Data source: OSI SAF N.H. sea ice concentration
Model vs. observations, sea ice class contingency tables
Date: 2025-12-05:
| Best estimate |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
8 |
2354 |
151 |
313 |
64 |
0 |
0 |
0 |
| OW |
0 |
13 |
24 |
101 |
209 |
1 |
0 |
0 |
| VODI |
0 |
16 |
9 |
92 |
145 |
6 |
0 |
0 |
| ODI |
0 |
9 |
8 |
99 |
469 |
72 |
0 |
0 |
| CDI |
0 |
1 |
5 |
20 |
562 |
606 |
246 |
0 |
| VCDI |
0 |
0 |
0 |
2 |
50 |
1672 |
12885 |
11870 |
|
|
Date: 2025-12-07:
| Best estimate |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
13 |
2343 |
122 |
128 |
41 |
0 |
0 |
0 |
| OW |
0 |
53 |
53 |
131 |
141 |
12 |
0 |
0 |
| VODI |
0 |
20 |
44 |
95 |
125 |
50 |
0 |
0 |
| ODI |
0 |
4 |
10 |
111 |
224 |
123 |
0 |
0 |
| CDI |
0 |
1 |
0 |
21 |
377 |
717 |
151 |
0 |
| VCDI |
0 |
0 |
0 |
0 |
31 |
1692 |
14356 |
10893 |
|
|
Date: 2025-12-09:
| Best estimate |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
0 |
2209 |
106 |
151 |
40 |
1 |
0 |
0 |
| OW |
0 |
47 |
27 |
105 |
133 |
7 |
0 |
0 |
| VODI |
0 |
45 |
36 |
80 |
93 |
95 |
0 |
0 |
| ODI |
0 |
29 |
29 |
96 |
163 |
124 |
0 |
0 |
| CDI |
0 |
5 |
2 |
27 |
220 |
439 |
89 |
0 |
| VCDI |
0 |
0 |
0 |
0 |
43 |
2110 |
14270 |
11261 |
|
|
Date: 2025-12-11:
| Best estimate |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
0 |
1905 |
93 |
151 |
34 |
0 |
0 |
0 |
| OW |
0 |
32 |
10 |
55 |
128 |
8 |
0 |
0 |
| VODI |
0 |
11 |
23 |
61 |
196 |
98 |
0 |
0 |
| ODI |
0 |
1 |
6 |
51 |
176 |
200 |
0 |
0 |
| CDI |
0 |
0 |
1 |
11 |
131 |
621 |
120 |
0 |
| VCDI |
0 |
0 |
0 |
1 |
25 |
1278 |
12364 |
14291 |
|
|
Date: 2025-12-13:
| Best estimate |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
0 |
1637 |
107 |
149 |
21 |
0 |
0 |
0 |
| OW |
0 |
54 |
21 |
65 |
67 |
4 |
0 |
0 |
| VODI |
0 |
27 |
34 |
72 |
137 |
65 |
0 |
0 |
| ODI |
0 |
16 |
14 |
56 |
168 |
170 |
0 |
0 |
| CDI |
0 |
4 |
1 |
13 |
124 |
740 |
108 |
2 |
| VCDI |
0 |
0 |
0 |
3 |
47 |
1181 |
10206 |
16769 |
|
|
Date: 2025-12-15:
| Best estimate |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
1 |
1403 |
72 |
122 |
102 |
0 |
0 |
0 |
| OW |
0 |
61 |
13 |
37 |
101 |
16 |
0 |
0 |
| VODI |
0 |
35 |
28 |
66 |
135 |
43 |
0 |
0 |
| ODI |
0 |
6 |
10 |
44 |
209 |
130 |
11 |
0 |
| CDI |
0 |
6 |
3 |
14 |
147 |
746 |
176 |
0 |
| VCDI |
0 |
0 |
0 |
0 |
77 |
1312 |
12115 |
14841 |
|
|
Date: 2025-12-17:
| Best estimate |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
1 |
1125 |
86 |
106 |
153 |
12 |
0 |
0 |
| OW |
0 |
45 |
15 |
42 |
53 |
43 |
0 |
0 |
| VODI |
0 |
28 |
23 |
68 |
64 |
82 |
0 |
0 |
| ODI |
0 |
18 |
17 |
71 |
201 |
165 |
6 |
0 |
| CDI |
0 |
0 |
0 |
26 |
118 |
706 |
287 |
0 |
| VCDI |
0 |
0 |
0 |
0 |
11 |
819 |
11973 |
15718 |
|
|
Date: 2025-12-19:
| Best estimate |
|
|
...observations not yet available
|
|
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