Validation of sea ice concentration - American sector
Bulletin date: 2025-12-11
Data source: OSI SAF N.H. multi-product sea ice concentration
Model vs. observations, sea ice class contingency tables
Date: 2025-12-05:
| 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 |
11975 |
6897 |
239 |
518 |
19 |
0 |
0 |
0 |
| OW |
62 |
517 |
75 |
503 |
218 |
89 |
0 |
0 |
| VODI |
1 |
186 |
44 |
385 |
409 |
211 |
0 |
0 |
| ODI |
0 |
27 |
6 |
152 |
578 |
306 |
0 |
0 |
| CDI |
0 |
13 |
0 |
40 |
599 |
759 |
7 |
2 |
| VCDI |
0 |
3 |
0 |
10 |
470 |
2466 |
6514 |
26931 |
|
...date precedes bulletin
|
Date: 2025-12-07:
| 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 |
11981 |
6005 |
233 |
523 |
40 |
0 |
0 |
0 |
| OW |
188 |
677 |
107 |
476 |
179 |
0 |
0 |
0 |
| VODI |
13 |
273 |
79 |
381 |
470 |
96 |
0 |
0 |
| ODI |
0 |
46 |
14 |
196 |
416 |
248 |
0 |
0 |
| CDI |
0 |
19 |
12 |
93 |
652 |
688 |
35 |
0 |
| VCDI |
0 |
1 |
2 |
63 |
620 |
3116 |
6921 |
26368 |
|
...date precedes bulletin
|
Date: 2025-12-09:
| 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 |
11422 |
6082 |
275 |
656 |
53 |
0 |
0 |
0 |
| OW |
221 |
493 |
62 |
378 |
161 |
0 |
0 |
0 |
| VODI |
48 |
286 |
60 |
332 |
408 |
29 |
0 |
0 |
| ODI |
9 |
85 |
28 |
283 |
505 |
204 |
2 |
0 |
| CDI |
0 |
17 |
0 |
63 |
369 |
607 |
58 |
2 |
| VCDI |
0 |
0 |
2 |
52 |
443 |
3650 |
5790 |
28096 |
|
...date precedes bulletin
|
Date: 2025-12-11:
| Best estimate |
Forecast |
|
...observations not yet available
|
...observations not yet available
|
Date: 2025-12-13:
| Best estimate |
Forecast |
|
...observations not yet available
|
...observations not yet available
|
Date: 2025-12-15:
| Best estimate |
Forecast |
|
...observations not yet available
|
...observations not yet available
|
Date: 2025-12-17:
| Best estimate |
Forecast |
|
...observations not yet available
|
...observations not yet available
|
Date: 2025-12-19:
| Best estimate |
Forecast |
|
...observations not yet available
|
...observations not yet available
|
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