Validation of sea ice concentration - European sector
Bulletin date: 2025-11-11
Data source: OSI SAF N.H. sea ice concentration
Model vs. observations, sea ice class contingency tables
Date: 2025-11-11:
| Forecast |
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
39782 |
5706 |
3 |
3 |
0 |
0 |
0 |
0 |
| OW |
12 |
148 |
4 |
11 |
0 |
0 |
0 |
0 |
| VODI |
5 |
214 |
7 |
34 |
5 |
0 |
0 |
0 |
| ODI |
1 |
193 |
3 |
57 |
29 |
4 |
0 |
0 |
| CDI |
0 |
154 |
9 |
72 |
56 |
71 |
116 |
0 |
| VCDI |
0 |
68 |
12 |
206 |
358 |
1404 |
7265 |
618 |
|
Date: 2025-11-13:
| Forecast |
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
39679 |
5727 |
17 |
32 |
4 |
0 |
0 |
0 |
| OW |
23 |
87 |
3 |
15 |
6 |
0 |
0 |
0 |
| VODI |
37 |
129 |
2 |
30 |
32 |
0 |
0 |
0 |
| ODI |
9 |
91 |
1 |
38 |
40 |
4 |
0 |
0 |
| CDI |
0 |
69 |
4 |
67 |
43 |
70 |
74 |
0 |
| VCDI |
0 |
117 |
20 |
194 |
387 |
1944 |
7397 |
238 |
|
Date: 2025-11-15:
| Forecast |
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
39439 |
5673 |
10 |
76 |
27 |
5 |
0 |
0 |
| OW |
15 |
96 |
1 |
26 |
15 |
0 |
0 |
0 |
| VODI |
18 |
110 |
3 |
52 |
25 |
1 |
0 |
0 |
| ODI |
13 |
76 |
2 |
51 |
48 |
8 |
0 |
0 |
| CDI |
7 |
60 |
4 |
63 |
108 |
73 |
33 |
0 |
| VCDI |
0 |
195 |
12 |
211 |
472 |
2773 |
6829 |
0 |
|
Date: 2025-11-17:
| Forecast |
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
39044 |
5807 |
10 |
89 |
20 |
6 |
0 |
0 |
| OW |
8 |
118 |
0 |
17 |
5 |
2 |
0 |
0 |
| VODI |
8 |
174 |
3 |
19 |
16 |
2 |
0 |
0 |
| ODI |
1 |
107 |
11 |
35 |
23 |
6 |
0 |
0 |
| CDI |
0 |
127 |
4 |
59 |
49 |
81 |
24 |
0 |
| VCDI |
0 |
228 |
31 |
363 |
494 |
3908 |
5693 |
38 |
|
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