Validation of sea ice concentration - European sector
Bulletin date: 2025-11-04
Data source: OSI SAF N.H. sea ice concentration
Model vs. observations, sea ice class contingency tables
Date: 2025-11-04:
| Forecast |
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
41479 |
4769 |
0 |
14 |
2 |
0 |
0 |
0 |
| OW |
15 |
118 |
1 |
21 |
2 |
0 |
0 |
0 |
| VODI |
8 |
216 |
9 |
35 |
26 |
1 |
0 |
0 |
| ODI |
0 |
179 |
8 |
59 |
38 |
3 |
1 |
0 |
| CDI |
0 |
67 |
8 |
77 |
92 |
142 |
71 |
0 |
| VCDI |
0 |
33 |
3 |
77 |
205 |
1790 |
6801 |
260 |
|
Date: 2025-11-06:
| Forecast |
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
40680 |
5672 |
10 |
77 |
25 |
0 |
0 |
0 |
| OW |
0 |
102 |
2 |
23 |
10 |
0 |
0 |
0 |
| VODI |
0 |
137 |
6 |
44 |
24 |
2 |
0 |
0 |
| ODI |
0 |
77 |
4 |
53 |
27 |
10 |
0 |
0 |
| CDI |
0 |
50 |
6 |
66 |
45 |
71 |
103 |
0 |
| VCDI |
0 |
43 |
7 |
99 |
194 |
2232 |
6427 |
302 |
|
Date: 2025-11-08:
| Forecast |
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
40580 |
5526 |
12 |
74 |
19 |
0 |
0 |
0 |
| OW |
0 |
82 |
5 |
17 |
12 |
0 |
0 |
0 |
| VODI |
0 |
106 |
4 |
43 |
18 |
1 |
0 |
0 |
| ODI |
0 |
50 |
5 |
66 |
30 |
9 |
0 |
0 |
| CDI |
0 |
38 |
4 |
82 |
56 |
62 |
41 |
0 |
| VCDI |
0 |
67 |
8 |
131 |
266 |
2051 |
6580 |
585 |
|
Date: 2025-11-10:
| Forecast |
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
39779 |
6150 |
8 |
59 |
22 |
1 |
0 |
0 |
| OW |
0 |
74 |
4 |
14 |
7 |
1 |
0 |
0 |
| VODI |
0 |
109 |
1 |
37 |
17 |
4 |
0 |
0 |
| ODI |
0 |
59 |
6 |
43 |
29 |
4 |
0 |
0 |
| CDI |
0 |
58 |
9 |
63 |
74 |
122 |
73 |
0 |
| VCDI |
0 |
269 |
11 |
172 |
303 |
1644 |
7101 |
303 |
|
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