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 |
17 |
0 |
0 |
0 |
| OW |
0 |
41 |
20 |
101 |
149 |
31 |
0 |
0 |
| VODI |
0 |
64 |
25 |
80 |
85 |
119 |
0 |
0 |
| ODI |
0 |
14 |
6 |
56 |
137 |
183 |
28 |
0 |
| CDI |
0 |
0 |
0 |
0 |
67 |
391 |
139 |
2 |
| VCDI |
0 |
0 |
0 |
0 |
7 |
1629 |
11247 |
9972 |
|
|
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 |
4459 |
185 |
349 |
58 |
0 |
0 |
0 |
| OW |
0 |
40 |
6 |
109 |
206 |
24 |
0 |
0 |
| VODI |
0 |
52 |
8 |
33 |
101 |
139 |
12 |
0 |
| ODI |
0 |
32 |
23 |
51 |
101 |
137 |
52 |
0 |
| CDI |
0 |
1 |
2 |
9 |
69 |
307 |
178 |
1 |
| VCDI |
0 |
0 |
0 |
0 |
1 |
726 |
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 |
548 |
143 |
0 |
0 |
0 |
| OW |
0 |
38 |
11 |
81 |
420 |
29 |
0 |
0 |
| VODI |
0 |
39 |
7 |
23 |
116 |
119 |
6 |
0 |
| ODI |
0 |
28 |
12 |
45 |
91 |
94 |
25 |
0 |
| CDI |
0 |
6 |
0 |
21 |
199 |
218 |
177 |
2 |
| VCDI |
0 |
0 |
0 |
0 |
29 |
1378 |
10299 |
12087 |
|
|
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 |
4426 |
190 |
505 |
220 |
0 |
0 |
0 |
| OW |
0 |
27 |
10 |
113 |
386 |
57 |
0 |
0 |
| VODI |
0 |
25 |
20 |
25 |
192 |
151 |
0 |
0 |
| ODI |
0 |
12 |
17 |
41 |
74 |
163 |
5 |
0 |
| CDI |
0 |
6 |
2 |
18 |
71 |
457 |
147 |
8 |
| VCDI |
0 |
0 |
0 |
4 |
19 |
1796 |
9224 |
12971 |
|
|
Date: 2025-11-14:
| Best estimate |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
1305 |
4149 |
107 |
97 |
2 |
0 |
0 |
0 |
| OW |
0 |
98 |
52 |
211 |
186 |
2 |
0 |
0 |
| VODI |
0 |
59 |
22 |
71 |
290 |
183 |
2 |
0 |
| ODI |
0 |
35 |
44 |
65 |
179 |
204 |
7 |
0 |
| CDI |
0 |
7 |
13 |
32 |
175 |
393 |
135 |
18 |
| VCDI |
0 |
1 |
1 |
5 |
67 |
2133 |
7339 |
14392 |
|
|
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