Validation of sea ice concentration - Full domain
Reference date: 2025-11-13
Model: GLO MFC - NEMO
Data source: OSI SAF N.H. sea ice concentration
Model vs. observations, sea ice class contingency tables
Date: 2025-11-07:
| Best estimate |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
103899 |
14356 |
517 |
869 |
147 |
5 |
0 |
0 |
| OW |
10 |
391 |
144 |
514 |
580 |
77 |
0 |
0 |
| VODI |
1 |
357 |
148 |
413 |
472 |
226 |
6 |
0 |
| ODI |
0 |
129 |
129 |
518 |
799 |
452 |
58 |
0 |
| CDI |
0 |
2 |
3 |
102 |
609 |
1354 |
499 |
2 |
| VCDI |
0 |
0 |
0 |
10 |
314 |
4136 |
29210 |
25556 |
|
|
Date: 2025-11-09:
| Best estimate |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
102267 |
14888 |
510 |
844 |
156 |
4 |
0 |
0 |
| OW |
33 |
374 |
99 |
570 |
598 |
53 |
0 |
0 |
| VODI |
12 |
330 |
125 |
397 |
537 |
282 |
27 |
0 |
| ODI |
2 |
266 |
124 |
479 |
718 |
385 |
104 |
0 |
| CDI |
0 |
7 |
7 |
123 |
753 |
1549 |
428 |
1 |
| VCDI |
0 |
0 |
0 |
5 |
65 |
3793 |
28233 |
27866 |
|
|
Date: 2025-11-11:
| Best estimate |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
101523 |
14233 |
474 |
960 |
426 |
1 |
0 |
0 |
| OW |
14 |
346 |
85 |
271 |
776 |
77 |
0 |
0 |
| VODI |
4 |
459 |
137 |
338 |
585 |
332 |
1 |
0 |
| ODI |
0 |
115 |
100 |
369 |
900 |
538 |
52 |
0 |
| CDI |
0 |
2 |
1 |
69 |
583 |
1822 |
579 |
7 |
| VCDI |
0 |
1 |
0 |
6 |
45 |
3398 |
24154 |
33231 |
|
|
Date: 2025-11-13:
| Best estimate |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
101034 |
13947 |
443 |
677 |
230 |
7 |
0 |
0 |
| OW |
12 |
367 |
91 |
478 |
568 |
34 |
0 |
0 |
| VODI |
11 |
563 |
169 |
474 |
634 |
289 |
1 |
0 |
| ODI |
0 |
128 |
95 |
372 |
852 |
412 |
27 |
0 |
| CDI |
0 |
10 |
18 |
93 |
486 |
2069 |
411 |
6 |
| VCDI |
0 |
0 |
0 |
8 |
77 |
4593 |
24836 |
32492 |
|
|
Date: 2025-11-15:
| Best estimate |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
102243 |
12700 |
452 |
414 |
43 |
0 |
0 |
0 |
| OW |
24 |
378 |
164 |
442 |
267 |
15 |
0 |
0 |
| VODI |
9 |
381 |
151 |
474 |
624 |
257 |
1 |
0 |
| ODI |
0 |
106 |
81 |
461 |
679 |
410 |
20 |
0 |
| CDI |
0 |
18 |
22 |
157 |
814 |
1868 |
298 |
0 |
| VCDI |
0 |
0 |
0 |
7 |
201 |
6528 |
28428 |
27877 |
|
|
Date: 2025-11-17:
| Best estimate |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
99896 |
14324 |
434 |
508 |
116 |
1 |
0 |
0 |
| OW |
8 |
423 |
143 |
338 |
341 |
47 |
0 |
0 |
| VODI |
7 |
337 |
152 |
431 |
566 |
179 |
1 |
0 |
| ODI |
0 |
106 |
74 |
333 |
930 |
487 |
11 |
0 |
| CDI |
0 |
20 |
10 |
208 |
1048 |
2385 |
232 |
0 |
| VCDI |
0 |
0 |
0 |
14 |
291 |
8767 |
27075 |
26771 |
|
|
Date: 2025-11-19:
| Best estimate |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
99556 |
13134 |
414 |
583 |
384 |
30 |
0 |
0 |
| OW |
8 |
451 |
128 |
264 |
317 |
96 |
0 |
0 |
| VODI |
0 |
492 |
150 |
379 |
391 |
268 |
2 |
0 |
| ODI |
0 |
221 |
70 |
372 |
699 |
857 |
56 |
0 |
| CDI |
0 |
49 |
29 |
133 |
623 |
2672 |
552 |
7 |
| VCDI |
0 |
0 |
1 |
21 |
178 |
7648 |
31447 |
24332 |
|
|
Date: 2025-11-21:
| Best estimate |
|
|
...observations not yet available
|
|
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