Validation of sea ice concentration - European 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 |
92013 |
6481 |
96 |
101 |
20 |
0 |
0 |
0 |
| OW |
0 |
109 |
41 |
92 |
82 |
4 |
0 |
0 |
| VODI |
0 |
46 |
34 |
123 |
101 |
35 |
2 |
0 |
| ODI |
0 |
1 |
12 |
61 |
162 |
119 |
9 |
0 |
| CDI |
0 |
0 |
0 |
3 |
71 |
437 |
209 |
0 |
| VCDI |
0 |
0 |
0 |
0 |
4 |
1352 |
6638 |
627 |
|
|
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 |
91013 |
7406 |
114 |
103 |
3 |
0 |
0 |
0 |
| OW |
0 |
108 |
26 |
100 |
37 |
0 |
0 |
0 |
| VODI |
0 |
52 |
50 |
87 |
66 |
20 |
0 |
0 |
| ODI |
0 |
12 |
20 |
101 |
157 |
41 |
0 |
0 |
| CDI |
0 |
0 |
1 |
25 |
158 |
445 |
45 |
0 |
| VCDI |
0 |
0 |
0 |
0 |
9 |
1577 |
6644 |
665 |
|
|
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 |
91283 |
6975 |
134 |
139 |
30 |
0 |
0 |
0 |
| OW |
0 |
79 |
31 |
59 |
31 |
0 |
0 |
0 |
| VODI |
0 |
40 |
48 |
100 |
91 |
15 |
0 |
0 |
| ODI |
0 |
4 |
15 |
81 |
196 |
77 |
5 |
0 |
| CDI |
0 |
0 |
0 |
15 |
110 |
438 |
139 |
0 |
| VCDI |
0 |
0 |
0 |
0 |
3 |
921 |
7034 |
992 |
|
|
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 |
91288 |
6657 |
124 |
111 |
37 |
6 |
0 |
0 |
| OW |
2 |
76 |
36 |
74 |
63 |
9 |
0 |
0 |
| VODI |
0 |
47 |
43 |
116 |
109 |
36 |
0 |
0 |
| ODI |
0 |
0 |
15 |
96 |
199 |
76 |
2 |
0 |
| CDI |
0 |
0 |
0 |
6 |
118 |
497 |
82 |
0 |
| VCDI |
0 |
0 |
0 |
0 |
7 |
1372 |
7443 |
338 |
|
|
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 |
91089 |
6575 |
143 |
112 |
1 |
0 |
0 |
0 |
| OW |
5 |
66 |
43 |
114 |
53 |
1 |
0 |
0 |
| VODI |
0 |
44 |
39 |
167 |
163 |
34 |
0 |
0 |
| ODI |
0 |
0 |
8 |
103 |
275 |
66 |
0 |
0 |
| CDI |
0 |
0 |
0 |
2 |
212 |
788 |
97 |
0 |
| VCDI |
0 |
0 |
0 |
0 |
3 |
1985 |
6897 |
0 |
|
|
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 |
89495 |
8003 |
162 |
114 |
4 |
0 |
0 |
0 |
| OW |
4 |
124 |
75 |
111 |
29 |
0 |
0 |
0 |
| VODI |
0 |
52 |
53 |
164 |
97 |
16 |
0 |
0 |
| ODI |
0 |
0 |
16 |
144 |
196 |
116 |
0 |
0 |
| CDI |
0 |
0 |
1 |
52 |
272 |
952 |
97 |
0 |
| VCDI |
0 |
0 |
0 |
0 |
23 |
2997 |
5282 |
434 |
|
|
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 |
89957 |
7290 |
155 |
144 |
31 |
2 |
0 |
0 |
| OW |
7 |
108 |
67 |
98 |
46 |
3 |
0 |
0 |
| VODI |
0 |
84 |
45 |
155 |
83 |
27 |
0 |
0 |
| ODI |
0 |
11 |
25 |
149 |
238 |
169 |
4 |
0 |
| CDI |
0 |
0 |
2 |
24 |
136 |
938 |
279 |
0 |
| VCDI |
0 |
0 |
0 |
0 |
9 |
2248 |
6521 |
30 |
|
|
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 |
90118 |
7169 |
79 |
56 |
0 |
0 |
0 |
0 |
| OW |
9 |
176 |
62 |
78 |
24 |
0 |
0 |
0 |
| VODI |
0 |
126 |
70 |
169 |
101 |
10 |
0 |
0 |
| ODI |
0 |
15 |
27 |
153 |
311 |
122 |
4 |
0 |
| CDI |
0 |
0 |
0 |
16 |
278 |
775 |
411 |
0 |
| VCDI |
0 |
0 |
0 |
0 |
11 |
1354 |
7304 |
57 |
|
|
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