Validation of sea ice concentration - European sector
Reference date: 2025-10-02
Model: GLO MFC - NEMO
Data source: OSI SAF N.H. sea ice concentration
Model vs. observations, sea ice class contingency tables
Date: 2025-09-26:
| Best estimate |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
97251 |
4061 |
54 |
59 |
1 |
0 |
0 |
0 |
| OW |
0 |
120 |
45 |
59 |
16 |
0 |
0 |
0 |
| VODI |
0 |
74 |
52 |
162 |
170 |
8 |
0 |
0 |
| ODI |
0 |
4 |
3 |
74 |
214 |
83 |
0 |
0 |
| CDI |
0 |
0 |
0 |
5 |
189 |
751 |
170 |
0 |
| VCDI |
0 |
0 |
0 |
0 |
4 |
873 |
4319 |
264 |
|
|
Date: 2025-09-28:
| Best estimate |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
97088 |
4184 |
65 |
68 |
1 |
0 |
0 |
0 |
| OW |
0 |
148 |
51 |
62 |
25 |
0 |
0 |
0 |
| VODI |
0 |
49 |
40 |
176 |
133 |
7 |
0 |
0 |
| ODI |
0 |
0 |
0 |
49 |
230 |
80 |
1 |
0 |
| CDI |
0 |
0 |
0 |
3 |
171 |
800 |
148 |
0 |
| VCDI |
0 |
0 |
0 |
0 |
9 |
906 |
4370 |
221 |
|
|
Date: 2025-09-30:
| Best estimate |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
96931 |
4016 |
90 |
144 |
41 |
0 |
0 |
0 |
| OW |
0 |
105 |
31 |
69 |
54 |
1 |
0 |
0 |
| VODI |
0 |
6 |
23 |
75 |
190 |
37 |
0 |
0 |
| ODI |
0 |
0 |
1 |
27 |
108 |
160 |
2 |
0 |
| CDI |
0 |
0 |
0 |
4 |
86 |
521 |
100 |
0 |
| VCDI |
0 |
0 |
0 |
0 |
0 |
745 |
5033 |
485 |
|
|
Date: 2025-10-02:
| Best estimate |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
97152 |
3912 |
66 |
110 |
49 |
3 |
0 |
0 |
| OW |
0 |
73 |
29 |
47 |
31 |
11 |
0 |
0 |
| VODI |
0 |
35 |
31 |
74 |
93 |
32 |
1 |
0 |
| ODI |
0 |
7 |
9 |
47 |
98 |
111 |
8 |
0 |
| CDI |
0 |
0 |
1 |
15 |
108 |
377 |
59 |
0 |
| VCDI |
0 |
0 |
0 |
0 |
26 |
875 |
5255 |
340 |
|
|
Date: 2025-10-04:
| Best estimate |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
97031 |
4178 |
55 |
69 |
23 |
0 |
0 |
0 |
| OW |
0 |
111 |
28 |
37 |
36 |
0 |
0 |
0 |
| VODI |
0 |
50 |
38 |
85 |
79 |
29 |
3 |
0 |
| ODI |
0 |
0 |
6 |
72 |
134 |
125 |
18 |
0 |
| CDI |
0 |
0 |
0 |
3 |
64 |
623 |
242 |
0 |
| VCDI |
0 |
0 |
0 |
0 |
0 |
2222 |
3236 |
488 |
|
|
Date: 2025-10-06:
| Best estimate |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
96807 |
4491 |
59 |
48 |
23 |
0 |
0 |
0 |
| OW |
0 |
99 |
32 |
40 |
36 |
0 |
0 |
0 |
| VODI |
0 |
30 |
39 |
103 |
84 |
18 |
0 |
0 |
| ODI |
0 |
0 |
3 |
57 |
159 |
133 |
8 |
0 |
| CDI |
0 |
0 |
0 |
1 |
83 |
964 |
250 |
0 |
| VCDI |
0 |
0 |
0 |
0 |
2 |
1694 |
3638 |
184 |
|
|
Date: 2025-10-08:
| Best estimate |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
96989 |
4660 |
55 |
41 |
11 |
0 |
0 |
0 |
| OW |
0 |
78 |
30 |
39 |
19 |
1 |
0 |
0 |
| VODI |
0 |
25 |
45 |
107 |
53 |
8 |
0 |
0 |
| ODI |
0 |
3 |
12 |
80 |
179 |
34 |
0 |
0 |
| CDI |
0 |
0 |
1 |
21 |
257 |
1027 |
508 |
0 |
| VCDI |
0 |
0 |
0 |
0 |
71 |
2346 |
2347 |
38 |
|
|
Date: 2025-10-10:
| Best estimate |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
96594 |
4965 |
78 |
72 |
14 |
1 |
0 |
0 |
| OW |
0 |
80 |
24 |
63 |
36 |
2 |
0 |
0 |
| VODI |
0 |
59 |
62 |
78 |
55 |
19 |
1 |
0 |
| ODI |
0 |
0 |
10 |
126 |
135 |
63 |
11 |
0 |
| CDI |
0 |
0 |
0 |
8 |
161 |
1055 |
814 |
0 |
| VCDI |
0 |
0 |
0 |
0 |
9 |
1440 |
3050 |
0 |
|
|
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