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 |
676 |
230 |
7 |
0 |
0 |
| OW |
12 |
366 |
91 |
479 |
570 |
34 |
0 |
0 |
| VODI |
11 |
563 |
168 |
472 |
632 |
289 |
1 |
0 |
| ODI |
0 |
129 |
96 |
375 |
852 |
412 |
27 |
0 |
| CDI |
0 |
10 |
18 |
92 |
486 |
2072 |
411 |
6 |
| VCDI |
0 |
0 |
0 |
8 |
77 |
4590 |
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 |
102244 |
12697 |
449 |
413 |
44 |
0 |
0 |
0 |
| OW |
22 |
387 |
167 |
440 |
260 |
15 |
0 |
0 |
| VODI |
10 |
374 |
151 |
480 |
628 |
257 |
1 |
0 |
| ODI |
0 |
108 |
81 |
457 |
681 |
411 |
20 |
0 |
| CDI |
0 |
17 |
22 |
158 |
811 |
1870 |
295 |
0 |
| VCDI |
0 |
0 |
0 |
7 |
204 |
6525 |
28431 |
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 |
14342 |
428 |
507 |
113 |
2 |
0 |
0 |
| OW |
9 |
409 |
146 |
332 |
343 |
46 |
0 |
0 |
| VODI |
6 |
338 |
155 |
434 |
557 |
177 |
1 |
0 |
| ODI |
0 |
100 |
74 |
339 |
933 |
483 |
11 |
0 |
| CDI |
0 |
21 |
10 |
205 |
1057 |
2384 |
224 |
0 |
| VCDI |
0 |
0 |
0 |
15 |
289 |
8774 |
27083 |
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 |
99557 |
13165 |
422 |
574 |
343 |
22 |
0 |
0 |
| OW |
7 |
440 |
120 |
267 |
346 |
96 |
0 |
0 |
| VODI |
0 |
498 |
151 |
397 |
415 |
268 |
2 |
0 |
| ODI |
0 |
211 |
71 |
375 |
705 |
876 |
53 |
0 |
| CDI |
0 |
33 |
28 |
128 |
653 |
2763 |
557 |
12 |
| VCDI |
0 |
0 |
0 |
11 |
130 |
7546 |
31445 |
24327 |
|
|
Date: 2025-11-21:
| Best estimate |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
99210 |
12866 |
412 |
490 |
73 |
4 |
0 |
0 |
| OW |
9 |
450 |
122 |
345 |
432 |
79 |
0 |
0 |
| VODI |
0 |
468 |
166 |
387 |
382 |
254 |
4 |
0 |
| ODI |
0 |
138 |
111 |
537 |
825 |
527 |
66 |
0 |
| CDI |
0 |
38 |
14 |
131 |
1171 |
2317 |
689 |
3 |
| VCDI |
0 |
0 |
0 |
11 |
222 |
5408 |
30542 |
28111 |
|
|
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