Validation of sea ice concentration - European sector
Bulletin date: 2025-08-26
Data source: OSI SAF N.H. sea ice concentration
Model vs. observations, sea ice class contingency tables
Date: 2025-08-26:
| Forecast |
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
45618 |
3437 |
2 |
31 |
3 |
0 |
0 |
0 |
| OW |
9 |
115 |
4 |
27 |
6 |
0 |
1 |
0 |
| VODI |
7 |
235 |
17 |
145 |
98 |
39 |
2 |
0 |
| ODI |
0 |
138 |
21 |
232 |
662 |
431 |
90 |
0 |
| CDI |
0 |
20 |
2 |
101 |
1379 |
1714 |
470 |
0 |
| VCDI |
0 |
1 |
1 |
6 |
399 |
795 |
372 |
0 |
|
Date: 2025-08-28:
| Forecast |
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
45594 |
3775 |
12 |
169 |
30 |
2 |
0 |
0 |
| OW |
0 |
56 |
3 |
27 |
7 |
5 |
1 |
0 |
| VODI |
0 |
70 |
8 |
101 |
87 |
52 |
7 |
0 |
| ODI |
0 |
70 |
15 |
162 |
603 |
473 |
76 |
0 |
| CDI |
0 |
25 |
3 |
92 |
1462 |
1857 |
361 |
0 |
| VCDI |
0 |
0 |
0 |
8 |
475 |
746 |
196 |
0 |
|
Date: 2025-08-30:
| Forecast |
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
45713 |
3783 |
30 |
223 |
54 |
3 |
0 |
0 |
| OW |
0 |
38 |
3 |
31 |
23 |
3 |
0 |
0 |
| VODI |
0 |
48 |
6 |
80 |
100 |
41 |
11 |
0 |
| ODI |
0 |
68 |
10 |
152 |
547 |
376 |
124 |
0 |
| CDI |
0 |
11 |
2 |
161 |
1607 |
1701 |
509 |
0 |
| VCDI |
0 |
0 |
0 |
11 |
428 |
545 |
188 |
0 |
|
Date: 2025-09-01:
| Forecast |
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
46172 |
3472 |
34 |
289 |
85 |
11 |
0 |
0 |
| OW |
0 |
32 |
1 |
37 |
16 |
3 |
0 |
0 |
| VODI |
0 |
30 |
1 |
92 |
91 |
22 |
18 |
0 |
| ODI |
0 |
32 |
6 |
138 |
520 |
366 |
129 |
0 |
| CDI |
0 |
14 |
3 |
253 |
1539 |
1384 |
650 |
0 |
| VCDI |
0 |
1 |
0 |
64 |
515 |
366 |
244 |
0 |
|
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