Validation of sea ice concentration - Full domain
Bulletin date: 2025-12-04
Data source: OSI SAF N.H. multi-product sea ice concentration
Model vs. observations, sea ice class contingency tables
Date: 2025-11-28:
| Best estimate |
Forecast |
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
99897 |
12499 |
447 |
482 |
33 |
0 |
0 |
0 |
| OW |
116 |
1367 |
311 |
894 |
207 |
17 |
0 |
0 |
| VODI |
16 |
690 |
272 |
1248 |
606 |
171 |
0 |
0 |
| ODI |
0 |
116 |
69 |
795 |
849 |
232 |
2 |
0 |
| CDI |
0 |
13 |
47 |
281 |
1240 |
829 |
65 |
4 |
| VCDI |
0 |
1 |
1 |
138 |
792 |
6587 |
22779 |
40630 |
|
...date precedes bulletin
|
Date: 2025-11-30:
| Best estimate |
Forecast |
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
97032 |
14426 |
344 |
609 |
76 |
4 |
0 |
0 |
| OW |
411 |
1279 |
274 |
885 |
346 |
60 |
0 |
0 |
| VODI |
59 |
854 |
200 |
922 |
645 |
414 |
0 |
0 |
| ODI |
2 |
325 |
104 |
560 |
577 |
341 |
2 |
0 |
| CDI |
0 |
161 |
34 |
399 |
991 |
1042 |
92 |
28 |
| VCDI |
0 |
144 |
83 |
353 |
985 |
8147 |
22938 |
38595 |
|
...date precedes bulletin
|
Date: 2025-12-02:
| Best estimate |
Forecast |
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
95245 |
14872 |
448 |
535 |
122 |
0 |
0 |
0 |
| OW |
47 |
1472 |
337 |
793 |
390 |
34 |
0 |
0 |
| VODI |
11 |
630 |
218 |
1060 |
740 |
278 |
0 |
0 |
| ODI |
0 |
244 |
101 |
748 |
864 |
247 |
2 |
0 |
| CDI |
0 |
252 |
39 |
235 |
1099 |
1165 |
157 |
18 |
| VCDI |
0 |
147 |
86 |
489 |
905 |
7269 |
26172 |
37272 |
|
...date precedes bulletin
|
Date: 2025-12-04:
| Best estimate |
Forecast |
|
...observations not yet available
|
...observations not yet available
|
Date: 2025-12-06:
| Best estimate |
Forecast |
|
...observations not yet available
|
...observations not yet available
|
Date: 2025-12-08:
| Best estimate |
Forecast |
|
...observations not yet available
|
...observations not yet available
|
Date: 2025-12-10:
| Best estimate |
Forecast |
|
...observations not yet available
|
...observations not yet available
|
Date: 2025-12-12:
| Best estimate |
Forecast |
|
...observations not yet available
|
...observations not yet available
|
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