Validation of sea ice concentration - Full domain
Reference date: 2025-11-06
Model: GLO MFC - NEMO
Data source: OSI SAF N.H. sea ice concentration
Model vs. observations, sea ice class contingency tables
Date: 2025-10-31:
| Best estimate |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
108204 |
13113 |
447 |
558 |
65 |
3 |
0 |
0 |
| OW |
0 |
579 |
179 |
419 |
244 |
68 |
0 |
0 |
| VODI |
1 |
212 |
192 |
431 |
247 |
613 |
133 |
0 |
| ODI |
0 |
44 |
65 |
443 |
533 |
712 |
302 |
0 |
| CDI |
0 |
0 |
2 |
93 |
848 |
2073 |
723 |
0 |
| VCDI |
0 |
0 |
0 |
0 |
117 |
5940 |
30632 |
18771 |
|
|
Date: 2025-11-02:
| Best estimate |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
107462 |
13627 |
348 |
510 |
98 |
3 |
0 |
0 |
| OW |
5 |
574 |
163 |
306 |
375 |
27 |
0 |
0 |
| VODI |
4 |
359 |
211 |
433 |
366 |
138 |
28 |
0 |
| ODI |
0 |
81 |
94 |
413 |
758 |
419 |
246 |
0 |
| CDI |
0 |
10 |
11 |
102 |
722 |
1608 |
915 |
1 |
| VCDI |
0 |
0 |
0 |
2 |
81 |
4235 |
29450 |
22821 |
|
|
Date: 2025-11-04:
| Best estimate |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
108344 |
12111 |
379 |
655 |
220 |
0 |
0 |
0 |
| OW |
17 |
512 |
153 |
229 |
322 |
42 |
0 |
0 |
| VODI |
4 |
471 |
196 |
395 |
493 |
177 |
0 |
0 |
| ODI |
0 |
170 |
138 |
506 |
654 |
401 |
25 |
0 |
| CDI |
0 |
7 |
5 |
126 |
717 |
1472 |
527 |
0 |
| VCDI |
0 |
0 |
0 |
0 |
135 |
6298 |
31411 |
19694 |
|
|
Date: 2025-11-06:
| Best estimate |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
104971 |
13980 |
544 |
780 |
221 |
0 |
0 |
0 |
| OW |
12 |
437 |
119 |
406 |
576 |
60 |
0 |
0 |
| VODI |
1 |
386 |
178 |
415 |
429 |
193 |
0 |
0 |
| ODI |
0 |
90 |
116 |
541 |
819 |
449 |
46 |
0 |
| CDI |
0 |
0 |
2 |
94 |
555 |
1494 |
466 |
2 |
| VCDI |
0 |
0 |
0 |
13 |
217 |
4795 |
27297 |
26302 |
|
|
Date: 2025-11-08:
| Best estimate |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
103938 |
13692 |
527 |
875 |
147 |
4 |
0 |
0 |
| OW |
22 |
346 |
115 |
571 |
568 |
93 |
0 |
0 |
| VODI |
5 |
309 |
120 |
421 |
452 |
263 |
14 |
0 |
| ODI |
0 |
247 |
129 |
488 |
725 |
421 |
86 |
0 |
| CDI |
0 |
12 |
17 |
103 |
683 |
1447 |
509 |
1 |
| VCDI |
0 |
0 |
0 |
8 |
129 |
3839 |
28089 |
27591 |
|
|
Date: 2025-11-10:
| Best estimate |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
101768 |
14580 |
550 |
997 |
261 |
4 |
0 |
0 |
| OW |
14 |
371 |
99 |
373 |
785 |
96 |
0 |
0 |
| VODI |
1 |
422 |
135 |
388 |
580 |
268 |
7 |
0 |
| ODI |
0 |
161 |
92 |
433 |
885 |
390 |
57 |
0 |
| CDI |
0 |
9 |
0 |
74 |
825 |
1422 |
527 |
2 |
| VCDI |
0 |
0 |
0 |
3 |
86 |
3716 |
26583 |
30042 |
|
|
Date: 2025-11-12:
| Best estimate |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
101192 |
13937 |
467 |
944 |
338 |
5 |
0 |
0 |
| OW |
29 |
327 |
79 |
322 |
700 |
113 |
0 |
0 |
| VODI |
25 |
497 |
177 |
376 |
658 |
384 |
2 |
0 |
| ODI |
9 |
84 |
120 |
413 |
733 |
609 |
27 |
0 |
| CDI |
0 |
6 |
3 |
52 |
405 |
2017 |
515 |
9 |
| VCDI |
0 |
0 |
0 |
5 |
53 |
3935 |
26153 |
31286 |
|
|
Date: 2025-11-14:
| Best estimate |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
101956 |
13146 |
434 |
432 |
110 |
0 |
0 |
0 |
| OW |
17 |
414 |
148 |
466 |
341 |
19 |
0 |
0 |
| VODI |
2 |
538 |
161 |
474 |
554 |
324 |
2 |
0 |
| ODI |
0 |
131 |
100 |
306 |
747 |
596 |
25 |
0 |
| CDI |
0 |
11 |
16 |
98 |
480 |
1766 |
419 |
18 |
| VCDI |
0 |
1 |
1 |
8 |
170 |
5401 |
27003 |
30171 |
|
|
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