Validation of sea ice concentration - Asian sector
Reference date: 2025-12-04
Model: GLO MFC - NEMO
Data source: OSI SAF N.H. sea ice concentration
Model vs. observations, sea ice class contingency tables
Date: 2025-11-28:
| Best estimate |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
94 |
3236 |
142 |
151 |
31 |
0 |
0 |
0 |
| OW |
0 |
164 |
60 |
114 |
94 |
1 |
0 |
0 |
| VODI |
0 |
126 |
40 |
90 |
127 |
35 |
0 |
0 |
| ODI |
0 |
85 |
51 |
137 |
303 |
145 |
13 |
0 |
| CDI |
0 |
10 |
6 |
66 |
229 |
482 |
329 |
3 |
| VCDI |
0 |
0 |
0 |
0 |
6 |
1287 |
9823 |
14602 |
|
|
Date: 2025-11-30:
| Best estimate |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
320 |
3423 |
59 |
60 |
0 |
0 |
0 |
0 |
| OW |
0 |
162 |
58 |
68 |
2 |
0 |
0 |
0 |
| VODI |
0 |
146 |
45 |
111 |
21 |
0 |
0 |
0 |
| ODI |
0 |
318 |
63 |
170 |
135 |
15 |
1 |
0 |
| CDI |
0 |
102 |
31 |
99 |
272 |
452 |
59 |
1 |
| VCDI |
0 |
0 |
0 |
6 |
109 |
2504 |
8747 |
14523 |
|
|
Date: 2025-12-02:
| Best estimate |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
172 |
3126 |
128 |
145 |
33 |
1 |
0 |
0 |
| OW |
0 |
55 |
33 |
62 |
76 |
1 |
0 |
0 |
| VODI |
0 |
62 |
34 |
106 |
108 |
12 |
0 |
0 |
| ODI |
0 |
286 |
59 |
214 |
284 |
26 |
0 |
0 |
| CDI |
0 |
109 |
15 |
43 |
249 |
628 |
96 |
2 |
| VCDI |
0 |
3 |
0 |
0 |
25 |
2273 |
10858 |
12758 |
|
|
Date: 2025-12-04:
| Best estimate |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
39 |
2512 |
195 |
325 |
68 |
0 |
0 |
0 |
| OW |
0 |
18 |
15 |
96 |
144 |
0 |
0 |
0 |
| VODI |
0 |
12 |
23 |
87 |
147 |
10 |
0 |
0 |
| ODI |
0 |
9 |
12 |
115 |
675 |
173 |
0 |
0 |
| CDI |
0 |
4 |
2 |
18 |
300 |
551 |
199 |
0 |
| VCDI |
0 |
0 |
0 |
3 |
27 |
1539 |
9998 |
14766 |
|
|
Date: 2025-12-06:
| 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 |
2287 |
140 |
222 |
66 |
0 |
0 |
0 |
| OW |
0 |
15 |
24 |
145 |
200 |
4 |
0 |
0 |
| VODI |
0 |
11 |
17 |
78 |
161 |
20 |
0 |
0 |
| ODI |
0 |
7 |
11 |
61 |
326 |
97 |
0 |
0 |
| CDI |
0 |
0 |
0 |
9 |
393 |
853 |
209 |
0 |
| VCDI |
0 |
0 |
0 |
1 |
66 |
1716 |
14223 |
10712 |
|
|
Date: 2025-12-08:
| Best estimate |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
5 |
2298 |
133 |
123 |
35 |
0 |
0 |
0 |
| OW |
0 |
65 |
28 |
131 |
125 |
19 |
0 |
0 |
| VODI |
0 |
61 |
28 |
88 |
90 |
75 |
0 |
0 |
| ODI |
0 |
22 |
47 |
124 |
141 |
97 |
0 |
0 |
| CDI |
0 |
0 |
1 |
32 |
221 |
591 |
103 |
0 |
| VCDI |
0 |
0 |
0 |
0 |
49 |
2070 |
13686 |
11594 |
|
|
Date: 2025-12-10:
| 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 |
2077 |
90 |
142 |
51 |
3 |
0 |
0 |
| OW |
0 |
32 |
16 |
101 |
134 |
4 |
0 |
0 |
| VODI |
0 |
20 |
21 |
96 |
154 |
83 |
0 |
0 |
| ODI |
0 |
2 |
8 |
83 |
164 |
150 |
0 |
0 |
| CDI |
0 |
0 |
0 |
20 |
215 |
478 |
111 |
0 |
| VCDI |
0 |
0 |
0 |
2 |
15 |
1643 |
13367 |
12800 |
|
|
Date: 2025-12-12:
| 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 |
1790 |
93 |
124 |
18 |
0 |
0 |
0 |
| OW |
0 |
44 |
13 |
73 |
80 |
5 |
0 |
0 |
| VODI |
0 |
18 |
18 |
57 |
147 |
105 |
0 |
0 |
| ODI |
0 |
7 |
9 |
44 |
173 |
230 |
5 |
0 |
| CDI |
0 |
0 |
0 |
19 |
108 |
727 |
131 |
0 |
| VCDI |
0 |
0 |
0 |
2 |
55 |
858 |
9650 |
17479 |
|
|
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