Validation of sea ice concentration - Asian sector
Reference date: 2025-11-06
Model: GLO MFC - NEMO
Data source: OSI SAF N.H. sea ice concentration
Model vs. observations, sea ice class contingency tables
Date: 2025-10-31:
| Best estimate |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
4187 |
3449 |
157 |
232 |
8 |
0 |
0 |
0 |
| OW |
0 |
46 |
20 |
98 |
111 |
52 |
0 |
0 |
| VODI |
0 |
52 |
19 |
92 |
68 |
558 |
131 |
0 |
| ODI |
0 |
29 |
19 |
86 |
84 |
442 |
273 |
0 |
| CDI |
0 |
0 |
0 |
10 |
197 |
449 |
361 |
0 |
| VCDI |
0 |
0 |
0 |
0 |
75 |
3739 |
12090 |
4947 |
|
|
Date: 2025-11-02:
| Best estimate |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
4022 |
3528 |
57 |
118 |
42 |
0 |
0 |
0 |
| OW |
0 |
90 |
15 |
28 |
227 |
23 |
0 |
0 |
| VODI |
0 |
101 |
47 |
50 |
136 |
88 |
28 |
0 |
| ODI |
0 |
8 |
15 |
69 |
212 |
197 |
226 |
0 |
| CDI |
0 |
0 |
1 |
4 |
128 |
393 |
645 |
1 |
| VCDI |
0 |
0 |
0 |
0 |
31 |
2029 |
11400 |
8122 |
|
|
Date: 2025-11-04:
| Best estimate |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
5159 |
2456 |
49 |
85 |
42 |
0 |
0 |
0 |
| OW |
2 |
97 |
35 |
40 |
123 |
40 |
0 |
0 |
| VODI |
1 |
85 |
44 |
84 |
125 |
115 |
0 |
0 |
| ODI |
0 |
3 |
15 |
53 |
136 |
197 |
10 |
0 |
| CDI |
0 |
0 |
1 |
10 |
162 |
415 |
221 |
0 |
| VCDI |
0 |
0 |
0 |
0 |
42 |
3397 |
12373 |
6464 |
|
|
Date: 2025-11-06:
| Best estimate |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
3095 |
4012 |
173 |
191 |
16 |
0 |
0 |
0 |
| OW |
0 |
41 |
20 |
101 |
149 |
31 |
0 |
0 |
| VODI |
0 |
64 |
25 |
80 |
86 |
119 |
0 |
0 |
| ODI |
0 |
14 |
6 |
56 |
137 |
184 |
28 |
0 |
| CDI |
0 |
0 |
0 |
0 |
67 |
391 |
138 |
5 |
| VCDI |
0 |
0 |
0 |
0 |
7 |
1628 |
11248 |
9969 |
|
|
Date: 2025-11-08:
| Best estimate |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
1985 |
4461 |
185 |
367 |
64 |
0 |
0 |
0 |
| OW |
0 |
38 |
5 |
92 |
197 |
21 |
0 |
0 |
| VODI |
0 |
52 |
9 |
32 |
104 |
142 |
12 |
0 |
| ODI |
0 |
32 |
23 |
50 |
101 |
139 |
51 |
0 |
| CDI |
0 |
1 |
2 |
10 |
69 |
303 |
179 |
1 |
| VCDI |
0 |
0 |
0 |
0 |
1 |
728 |
11089 |
11536 |
|
|
Date: 2025-11-10:
| Best estimate |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
1387 |
4189 |
214 |
567 |
186 |
0 |
0 |
0 |
| OW |
0 |
36 |
11 |
61 |
379 |
31 |
0 |
0 |
| VODI |
0 |
39 |
7 |
25 |
117 |
115 |
5 |
0 |
| ODI |
0 |
30 |
12 |
45 |
89 |
96 |
26 |
0 |
| CDI |
0 |
6 |
0 |
20 |
203 |
218 |
166 |
4 |
| VCDI |
0 |
0 |
0 |
0 |
24 |
1378 |
10310 |
12085 |
|
|
Date: 2025-11-12:
| Best estimate |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
699 |
4420 |
187 |
560 |
431 |
22 |
0 |
0 |
| OW |
0 |
27 |
12 |
57 |
241 |
59 |
0 |
0 |
| VODI |
0 |
29 |
20 |
20 |
127 |
131 |
0 |
0 |
| ODI |
0 |
12 |
11 |
39 |
64 |
150 |
5 |
0 |
| CDI |
0 |
8 |
9 |
25 |
74 |
438 |
153 |
10 |
| VCDI |
0 |
0 |
0 |
5 |
25 |
1824 |
9218 |
12969 |
|
|
Date: 2025-11-14:
| Best estimate |
|
|
...observations not yet available
|
|
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