Validation of sea ice concentration - Asian sector
Reference date: 2025-11-13
Model: GLO MFC - NEMO
Data source: OSI SAF N.H. sea ice concentration
Model vs. observations, sea ice class contingency tables
Date: 2025-11-07:
| Best estimate |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
2358 |
4395 |
164 |
311 |
37 |
0 |
0 |
0 |
| OW |
0 |
48 |
14 |
108 |
182 |
19 |
0 |
0 |
| VODI |
0 |
61 |
21 |
65 |
97 |
128 |
2 |
0 |
| ODI |
0 |
37 |
12 |
78 |
97 |
146 |
27 |
0 |
| CDI |
0 |
1 |
1 |
8 |
69 |
355 |
147 |
2 |
| VCDI |
0 |
0 |
0 |
0 |
4 |
1275 |
11999 |
9814 |
|
|
Date: 2025-11-09:
| Best estimate |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
1894 |
4295 |
209 |
335 |
56 |
0 |
0 |
0 |
| OW |
0 |
41 |
13 |
127 |
270 |
12 |
0 |
0 |
| VODI |
0 |
48 |
8 |
20 |
106 |
139 |
25 |
0 |
| ODI |
0 |
33 |
18 |
36 |
77 |
51 |
62 |
0 |
| CDI |
0 |
1 |
3 |
37 |
156 |
279 |
153 |
1 |
| VCDI |
0 |
0 |
0 |
0 |
12 |
956 |
10716 |
11893 |
|
|
Date: 2025-11-11:
| Best estimate |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
1136 |
4257 |
169 |
490 |
222 |
0 |
0 |
0 |
| OW |
0 |
38 |
5 |
47 |
394 |
40 |
0 |
0 |
| VODI |
0 |
35 |
10 |
30 |
146 |
145 |
0 |
0 |
| ODI |
0 |
32 |
7 |
31 |
40 |
144 |
36 |
0 |
| CDI |
0 |
2 |
0 |
19 |
130 |
371 |
196 |
7 |
| VCDI |
0 |
1 |
0 |
4 |
10 |
1652 |
9929 |
12307 |
|
|
Date: 2025-11-13:
| Best estimate |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
698 |
4464 |
159 |
329 |
113 |
0 |
0 |
0 |
| OW |
0 |
52 |
17 |
256 |
346 |
14 |
0 |
0 |
| VODI |
0 |
29 |
15 |
82 |
204 |
199 |
0 |
0 |
| ODI |
0 |
18 |
13 |
37 |
57 |
155 |
12 |
0 |
| CDI |
0 |
4 |
15 |
27 |
54 |
576 |
160 |
6 |
| VCDI |
0 |
0 |
0 |
8 |
28 |
1896 |
7240 |
14799 |
|
|
Date: 2025-11-15:
| Best estimate |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
2101 |
3409 |
68 |
50 |
0 |
0 |
0 |
0 |
| OW |
0 |
108 |
43 |
170 |
95 |
0 |
0 |
0 |
| VODI |
0 |
113 |
17 |
47 |
287 |
151 |
0 |
0 |
| ODI |
0 |
68 |
46 |
98 |
97 |
163 |
0 |
0 |
| CDI |
0 |
10 |
17 |
86 |
341 |
331 |
45 |
0 |
| VCDI |
0 |
0 |
0 |
4 |
127 |
2712 |
7931 |
13347 |
|
|
Date: 2025-11-17:
| Best estimate |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
1794 |
3587 |
74 |
74 |
13 |
0 |
0 |
0 |
| OW |
5 |
99 |
24 |
83 |
107 |
2 |
0 |
0 |
| VODI |
6 |
101 |
31 |
37 |
230 |
76 |
0 |
0 |
| ODI |
0 |
74 |
38 |
99 |
113 |
198 |
8 |
0 |
| CDI |
0 |
15 |
7 |
123 |
386 |
497 |
7 |
0 |
| VCDI |
0 |
0 |
0 |
15 |
228 |
3974 |
9927 |
10030 |
|
|
Date: 2025-11-19:
| Best estimate |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
1057 |
3663 |
120 |
190 |
103 |
16 |
0 |
0 |
| OW |
0 |
125 |
10 |
52 |
115 |
58 |
0 |
0 |
| VODI |
0 |
112 |
29 |
41 |
51 |
151 |
0 |
0 |
| ODI |
0 |
112 |
23 |
105 |
98 |
302 |
40 |
0 |
| CDI |
0 |
17 |
9 |
38 |
258 |
630 |
142 |
0 |
| VCDI |
0 |
0 |
0 |
3 |
36 |
2954 |
11984 |
9438 |
|
|
Date: 2025-11-21:
| Best estimate |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
616 |
3557 |
169 |
200 |
42 |
4 |
0 |
0 |
| OW |
0 |
63 |
13 |
80 |
226 |
48 |
0 |
0 |
| VODI |
0 |
66 |
29 |
81 |
99 |
184 |
0 |
0 |
| ODI |
0 |
48 |
24 |
127 |
165 |
293 |
54 |
0 |
| CDI |
0 |
34 |
8 |
30 |
109 |
701 |
220 |
0 |
| VCDI |
0 |
0 |
0 |
0 |
16 |
1497 |
10154 |
13125 |
|
|
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