Validation of sea ice concentration - Full domain
Reference date: 2025-10-16
Model: GLO MFC - NEMO
Data source: OSI SAF N.H. sea ice concentration
Model vs. observations, sea ice class contingency tables
Date: 2025-10-10:
| Best estimate |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
119679 |
17058 |
478 |
599 |
86 |
1 |
0 |
0 |
| OW |
10 |
439 |
168 |
619 |
404 |
29 |
0 |
0 |
| VODI |
9 |
243 |
174 |
454 |
594 |
135 |
14 |
0 |
| ODI |
0 |
32 |
37 |
348 |
839 |
492 |
84 |
0 |
| CDI |
0 |
0 |
0 |
14 |
823 |
5154 |
2235 |
0 |
| VCDI |
0 |
0 |
0 |
0 |
66 |
9430 |
24234 |
2027 |
|
|
Date: 2025-10-12:
| Best estimate |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
118643 |
17178 |
517 |
751 |
168 |
8 |
0 |
0 |
| OW |
6 |
369 |
169 |
555 |
332 |
72 |
0 |
0 |
| VODI |
1 |
223 |
117 |
505 |
525 |
295 |
15 |
0 |
| ODI |
0 |
18 |
40 |
321 |
990 |
618 |
126 |
0 |
| CDI |
0 |
0 |
0 |
16 |
680 |
3989 |
1527 |
0 |
| VCDI |
0 |
0 |
0 |
0 |
13 |
6253 |
29209 |
2759 |
|
|
Date: 2025-10-14:
| Best estimate |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
117917 |
16812 |
663 |
913 |
120 |
0 |
0 |
0 |
| OW |
7 |
397 |
175 |
555 |
290 |
9 |
0 |
0 |
| VODI |
2 |
351 |
174 |
617 |
646 |
110 |
0 |
0 |
| ODI |
0 |
37 |
23 |
371 |
1028 |
569 |
42 |
0 |
| CDI |
0 |
0 |
2 |
62 |
677 |
2639 |
993 |
0 |
| VCDI |
0 |
0 |
0 |
0 |
49 |
6910 |
25389 |
8459 |
|
|
Date: 2025-10-16:
| Best estimate |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
116114 |
17086 |
693 |
1024 |
176 |
1 |
0 |
0 |
| OW |
8 |
398 |
158 |
653 |
703 |
87 |
0 |
0 |
| VODI |
1 |
366 |
181 |
595 |
734 |
167 |
2 |
0 |
| ODI |
0 |
39 |
21 |
272 |
1066 |
662 |
68 |
0 |
| CDI |
0 |
0 |
0 |
36 |
634 |
2716 |
833 |
0 |
| VCDI |
0 |
0 |
0 |
0 |
22 |
9997 |
24450 |
7045 |
|
|
Date: 2025-10-18:
| Best estimate |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
115402 |
16476 |
647 |
842 |
62 |
0 |
0 |
0 |
| OW |
16 |
517 |
185 |
831 |
858 |
211 |
0 |
0 |
| VODI |
0 |
321 |
209 |
722 |
626 |
473 |
11 |
0 |
| ODI |
0 |
42 |
13 |
270 |
995 |
701 |
52 |
0 |
| CDI |
0 |
0 |
0 |
25 |
555 |
5314 |
969 |
0 |
| VCDI |
0 |
0 |
0 |
2 |
56 |
7762 |
24586 |
7257 |
|
|
Date: 2025-10-20:
| Best estimate |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
114845 |
14849 |
800 |
1001 |
152 |
0 |
0 |
0 |
| OW |
22 |
546 |
279 |
853 |
975 |
267 |
0 |
0 |
| VODI |
13 |
250 |
182 |
1012 |
781 |
688 |
51 |
0 |
| ODI |
2 |
56 |
12 |
331 |
943 |
834 |
96 |
0 |
| CDI |
0 |
0 |
0 |
6 |
581 |
4973 |
905 |
0 |
| VCDI |
0 |
0 |
0 |
0 |
65 |
8341 |
19631 |
12666 |
|
|
Date: 2025-10-22:
| Best estimate |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
113589 |
13234 |
783 |
1234 |
277 |
24 |
0 |
0 |
| OW |
27 |
539 |
191 |
564 |
894 |
357 |
3 |
0 |
| VODI |
3 |
514 |
225 |
1231 |
828 |
860 |
88 |
0 |
| ODI |
1 |
67 |
50 |
528 |
1158 |
874 |
203 |
0 |
| CDI |
0 |
1 |
0 |
51 |
679 |
4692 |
1145 |
0 |
| VCDI |
0 |
0 |
0 |
2 |
31 |
6746 |
25726 |
9589 |
|
|
Date: 2025-10-24:
| Best estimate |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
112742 |
12274 |
602 |
913 |
272 |
11 |
0 |
0 |
| OW |
15 |
350 |
175 |
577 |
766 |
155 |
0 |
0 |
| VODI |
5 |
222 |
188 |
669 |
796 |
735 |
84 |
0 |
| ODI |
0 |
17 |
45 |
854 |
1536 |
981 |
137 |
0 |
| CDI |
0 |
0 |
3 |
87 |
1214 |
3100 |
771 |
0 |
| VCDI |
0 |
0 |
0 |
1 |
121 |
8852 |
24187 |
13551 |
|
|
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