Validation of sea ice concentration - European sector
Bulletin date: 2025-11-18
Data source: OSI SAF N.H. sea ice concentration
Model vs. observations, sea ice class contingency tables
Date: 2025-11-18:
| Forecast |
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
38388 |
5752 |
11 |
21 |
1 |
0 |
0 |
0 |
| OW |
73 |
129 |
1 |
11 |
3 |
1 |
0 |
0 |
| VODI |
91 |
218 |
4 |
28 |
16 |
7 |
0 |
0 |
| ODI |
53 |
220 |
7 |
90 |
37 |
21 |
0 |
0 |
| CDI |
0 |
312 |
4 |
97 |
79 |
169 |
80 |
0 |
| VCDI |
0 |
314 |
25 |
334 |
445 |
3524 |
6064 |
0 |
|
Date: 2025-11-20:
| Forecast |
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
38169 |
5973 |
8 |
62 |
36 |
4 |
0 |
0 |
| OW |
37 |
98 |
0 |
14 |
11 |
0 |
0 |
0 |
| VODI |
69 |
186 |
3 |
23 |
16 |
5 |
0 |
0 |
| ODI |
41 |
196 |
5 |
33 |
19 |
8 |
3 |
0 |
| CDI |
64 |
173 |
8 |
66 |
95 |
227 |
66 |
0 |
| VCDI |
27 |
446 |
25 |
249 |
425 |
2820 |
6920 |
0 |
|
Date: 2025-11-22:
| Forecast |
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
38197 |
6176 |
9 |
79 |
37 |
3 |
0 |
0 |
| OW |
38 |
113 |
1 |
14 |
6 |
1 |
0 |
0 |
| VODI |
42 |
155 |
0 |
26 |
12 |
2 |
0 |
0 |
| ODI |
31 |
127 |
4 |
32 |
13 |
14 |
3 |
0 |
| CDI |
36 |
113 |
6 |
66 |
63 |
175 |
136 |
0 |
| VCDI |
51 |
448 |
15 |
240 |
400 |
1631 |
7572 |
543 |
|
Date: 2025-11-24:
| Forecast |
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
37794 |
6356 |
7 |
110 |
82 |
13 |
0 |
0 |
| OW |
35 |
93 |
0 |
18 |
10 |
2 |
0 |
0 |
| VODI |
76 |
120 |
1 |
26 |
13 |
5 |
1 |
0 |
| ODI |
41 |
117 |
1 |
28 |
18 |
7 |
7 |
0 |
| CDI |
42 |
112 |
2 |
46 |
68 |
159 |
126 |
0 |
| VCDI |
84 |
617 |
17 |
229 |
351 |
2314 |
7016 |
466 |
|
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