Validation of sea ice concentration - Full domain
Bulletin date: 2025-12-04
Data source: OSI SAF N.H. AMSR 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 |
87043 |
10141 |
196 |
230 |
41 |
0 |
0 |
0 |
| OW |
1087 |
1665 |
246 |
363 |
208 |
44 |
0 |
0 |
| VODI |
3346 |
1048 |
355 |
593 |
472 |
246 |
9 |
0 |
| ODI |
0 |
210 |
164 |
538 |
615 |
325 |
8 |
0 |
| CDI |
0 |
77 |
55 |
256 |
767 |
1069 |
72 |
5 |
| VCDI |
0 |
37 |
28 |
167 |
616 |
6431 |
31977 |
30060 |
|
...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 |
84731 |
11598 |
275 |
332 |
71 |
13 |
0 |
0 |
| OW |
1157 |
1556 |
307 |
414 |
280 |
104 |
0 |
0 |
| VODI |
3342 |
1061 |
209 |
503 |
491 |
523 |
12 |
0 |
| ODI |
0 |
463 |
139 |
306 |
360 |
413 |
25 |
0 |
| CDI |
0 |
226 |
79 |
306 |
494 |
1232 |
167 |
7 |
| VCDI |
0 |
236 |
102 |
320 |
623 |
8079 |
29956 |
30298 |
|
...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 |
82509 |
12967 |
186 |
236 |
147 |
0 |
0 |
0 |
| OW |
1054 |
1559 |
216 |
345 |
367 |
56 |
0 |
0 |
| VODI |
3357 |
748 |
265 |
589 |
576 |
370 |
4 |
0 |
| ODI |
0 |
352 |
141 |
421 |
658 |
371 |
17 |
0 |
| CDI |
0 |
298 |
31 |
249 |
654 |
1230 |
287 |
7 |
| VCDI |
0 |
251 |
141 |
351 |
637 |
7173 |
31522 |
30468 |
|
...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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