Validation of sea ice concentration - European sector
Bulletin date: 2025-08-19
Data source: OSI SAF N.H. sea ice concentration
Model vs. observations, sea ice class contingency tables
Date: 2025-08-19:
| Forecast |
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
45114 |
3662 |
4 |
29 |
8 |
0 |
0 |
0 |
| OW |
1 |
258 |
7 |
32 |
10 |
2 |
0 |
0 |
| VODI |
0 |
448 |
8 |
118 |
86 |
35 |
12 |
0 |
| ODI |
0 |
113 |
17 |
169 |
808 |
339 |
118 |
0 |
| CDI |
0 |
27 |
1 |
134 |
1689 |
1398 |
485 |
0 |
| VCDI |
0 |
0 |
0 |
6 |
271 |
606 |
615 |
0 |
|
Date: 2025-08-21:
| Forecast |
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
45122 |
4243 |
21 |
151 |
58 |
9 |
0 |
0 |
| OW |
0 |
50 |
2 |
22 |
16 |
6 |
3 |
0 |
| VODI |
0 |
56 |
4 |
40 |
84 |
44 |
24 |
0 |
| ODI |
0 |
96 |
13 |
119 |
576 |
411 |
156 |
0 |
| CDI |
0 |
37 |
4 |
128 |
1242 |
1589 |
697 |
0 |
| VCDI |
0 |
1 |
2 |
9 |
219 |
735 |
641 |
0 |
|
Date: 2025-08-23:
| Forecast |
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
45046 |
4269 |
29 |
243 |
99 |
6 |
3 |
0 |
| OW |
0 |
32 |
0 |
23 |
19 |
2 |
6 |
0 |
| VODI |
0 |
42 |
3 |
47 |
100 |
25 |
22 |
0 |
| ODI |
0 |
105 |
4 |
105 |
565 |
368 |
140 |
0 |
| CDI |
0 |
55 |
3 |
114 |
1180 |
1535 |
635 |
0 |
| VCDI |
0 |
0 |
0 |
14 |
294 |
782 |
715 |
0 |
|
Date: 2025-08-25:
| Forecast |
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
45654 |
3736 |
17 |
252 |
112 |
29 |
6 |
0 |
| OW |
0 |
25 |
0 |
18 |
19 |
6 |
6 |
0 |
| VODI |
0 |
34 |
5 |
37 |
84 |
38 |
18 |
0 |
| ODI |
0 |
87 |
5 |
90 |
504 |
417 |
85 |
0 |
| CDI |
0 |
44 |
5 |
130 |
1350 |
1668 |
528 |
0 |
| VCDI |
0 |
1 |
1 |
13 |
355 |
741 |
510 |
0 |
|
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