Validation of sea ice concentration - Full domain
Bulletin date: 2025-12-02
Data source: OSI SAF N.H. sea ice concentration
Model vs. observations, sea ice class contingency tables
Date: 2025-12-02:
| Forecast |
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
40641 |
12488 |
13 |
41 |
23 |
3 |
0 |
0 |
| OW |
46 |
433 |
6 |
59 |
30 |
12 |
1 |
0 |
| VODI |
44 |
764 |
9 |
129 |
74 |
16 |
1 |
0 |
| ODI |
23 |
811 |
18 |
181 |
137 |
41 |
15 |
0 |
| CDI |
3 |
1442 |
28 |
516 |
625 |
511 |
471 |
117 |
| VCDI |
0 |
1177 |
84 |
1195 |
2137 |
8655 |
33881 |
27532 |
|
Date: 2025-12-04:
| Forecast |
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
38198 |
14367 |
29 |
296 |
122 |
88 |
6 |
0 |
| OW |
43 |
285 |
5 |
54 |
33 |
24 |
1 |
0 |
| VODI |
57 |
469 |
6 |
93 |
53 |
27 |
0 |
0 |
| ODI |
41 |
484 |
10 |
113 |
93 |
25 |
4 |
0 |
| CDI |
9 |
565 |
20 |
236 |
292 |
320 |
403 |
68 |
| VCDI |
1 |
1137 |
81 |
1547 |
3099 |
6678 |
35799 |
29152 |
|
Date: 2025-12-06:
| Forecast |
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
36910 |
14474 |
37 |
463 |
271 |
142 |
5 |
0 |
| OW |
46 |
287 |
5 |
47 |
32 |
12 |
1 |
0 |
| VODI |
82 |
467 |
4 |
74 |
71 |
12 |
1 |
0 |
| ODI |
80 |
437 |
14 |
99 |
93 |
58 |
4 |
0 |
| CDI |
60 |
483 |
10 |
174 |
232 |
318 |
381 |
39 |
| VCDI |
30 |
1286 |
52 |
1229 |
3032 |
6944 |
35603 |
30332 |
|
Date: 2025-12-08:
| Forecast |
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
36049 |
14207 |
44 |
502 |
310 |
99 |
13 |
0 |
| OW |
90 |
313 |
9 |
58 |
42 |
22 |
6 |
0 |
| VODI |
111 |
476 |
14 |
93 |
80 |
49 |
3 |
0 |
| ODI |
91 |
441 |
11 |
126 |
137 |
68 |
21 |
0 |
| CDI |
111 |
570 |
17 |
192 |
224 |
340 |
583 |
81 |
| VCDI |
78 |
1677 |
69 |
1041 |
2568 |
7263 |
30803 |
35331 |
|
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