Validation of sea ice concentration - Full domain
Reference date: 2025-12-04
Model: GLO MFC - NEMO
Data source: OSI SAF N.H. sea ice concentration
Model vs. observations, sea ice class contingency tables
Date: 2025-11-28:
| Best estimate |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
97154 |
12530 |
446 |
441 |
77 |
0 |
0 |
0 |
| OW |
27 |
504 |
175 |
336 |
305 |
13 |
0 |
0 |
| VODI |
24 |
416 |
116 |
350 |
360 |
144 |
1 |
0 |
| ODI |
4 |
319 |
163 |
595 |
763 |
450 |
62 |
0 |
| CDI |
0 |
85 |
40 |
309 |
939 |
1793 |
866 |
3 |
| VCDI |
0 |
0 |
0 |
19 |
265 |
5715 |
31137 |
30062 |
|
|
Date: 2025-11-30:
| Best estimate |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
93197 |
15636 |
392 |
483 |
100 |
2 |
0 |
0 |
| OW |
35 |
568 |
160 |
393 |
208 |
84 |
0 |
0 |
| VODI |
3 |
616 |
165 |
383 |
292 |
120 |
10 |
0 |
| ODI |
0 |
488 |
163 |
615 |
680 |
324 |
63 |
0 |
| CDI |
0 |
237 |
74 |
240 |
844 |
2396 |
687 |
3 |
| VCDI |
0 |
0 |
0 |
12 |
195 |
7438 |
29400 |
30302 |
|
|
Date: 2025-12-02:
| Best estimate |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
92094 |
15511 |
409 |
585 |
155 |
1 |
0 |
0 |
| OW |
39 |
406 |
147 |
264 |
385 |
12 |
0 |
0 |
| VODI |
7 |
453 |
183 |
436 |
498 |
145 |
0 |
0 |
| ODI |
0 |
641 |
142 |
635 |
967 |
419 |
65 |
0 |
| CDI |
0 |
234 |
40 |
231 |
890 |
2053 |
825 |
4 |
| VCDI |
0 |
3 |
0 |
4 |
144 |
6570 |
30940 |
30471 |
|
|
Date: 2025-12-04:
| Best estimate |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
90164 |
15741 |
533 |
705 |
120 |
3 |
0 |
0 |
| OW |
62 |
296 |
110 |
396 |
411 |
69 |
0 |
0 |
| VODI |
36 |
271 |
144 |
440 |
578 |
276 |
3 |
0 |
| ODI |
2 |
481 |
122 |
597 |
1423 |
594 |
69 |
0 |
| CDI |
0 |
97 |
12 |
176 |
989 |
1744 |
861 |
2 |
| VCDI |
0 |
0 |
0 |
29 |
146 |
4442 |
33116 |
31748 |
|
|
Date: 2025-12-06:
| Best estimate |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
88561 |
16383 |
478 |
562 |
162 |
3 |
0 |
0 |
| OW |
82 |
273 |
119 |
400 |
374 |
32 |
0 |
0 |
| VODI |
35 |
299 |
175 |
495 |
601 |
218 |
0 |
0 |
| ODI |
10 |
456 |
107 |
548 |
1194 |
723 |
43 |
0 |
| CDI |
2 |
17 |
4 |
83 |
1082 |
2206 |
758 |
0 |
| VCDI |
0 |
0 |
0 |
14 |
349 |
4148 |
33932 |
32080 |
|
|
Date: 2025-12-08:
| Best estimate |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
88102 |
16275 |
474 |
535 |
172 |
3 |
0 |
0 |
| OW |
101 |
400 |
159 |
325 |
281 |
71 |
0 |
0 |
| VODI |
12 |
421 |
181 |
527 |
513 |
188 |
1 |
0 |
| ODI |
0 |
349 |
137 |
521 |
1071 |
756 |
21 |
0 |
| CDI |
0 |
3 |
1 |
90 |
1003 |
2237 |
735 |
2 |
| VCDI |
0 |
0 |
0 |
8 |
386 |
4520 |
28285 |
38142 |
|
|
Date: 2025-12-10:
| Best estimate |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
87909 |
15976 |
345 |
506 |
199 |
43 |
0 |
0 |
| OW |
111 |
472 |
94 |
237 |
269 |
53 |
1 |
0 |
| VODI |
38 |
383 |
172 |
439 |
403 |
216 |
3 |
0 |
| ODI |
3 |
168 |
115 |
488 |
904 |
803 |
40 |
0 |
| CDI |
0 |
18 |
17 |
127 |
859 |
2210 |
719 |
1 |
| VCDI |
0 |
1 |
0 |
15 |
208 |
3930 |
32900 |
35613 |
|
|
Date: 2025-12-12:
| Best estimate |
|
|
...observations not yet available
|
|
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