Validation of sea ice concentration - Full domain
Reference date: 2025-10-09
Model: GLO MFC - NEMO
Data source: OSI SAF N.H. sea ice concentration
Model vs. observations, sea ice class contingency tables
Date: 2025-10-03:
| Best estimate |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
120673 |
17459 |
680 |
774 |
74 |
0 |
0 |
0 |
| OW |
0 |
1123 |
346 |
985 |
531 |
12 |
0 |
0 |
| VODI |
0 |
182 |
179 |
657 |
811 |
239 |
15 |
0 |
| ODI |
0 |
9 |
21 |
287 |
801 |
748 |
88 |
0 |
| CDI |
0 |
0 |
4 |
36 |
499 |
2759 |
680 |
3 |
| VCDI |
0 |
0 |
0 |
6 |
56 |
5667 |
19403 |
11200 |
|
|
Date: 2025-10-05:
| Best estimate |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
119396 |
17247 |
610 |
1013 |
254 |
2 |
0 |
0 |
| OW |
0 |
487 |
183 |
651 |
1104 |
81 |
0 |
0 |
| VODI |
0 |
204 |
136 |
629 |
897 |
401 |
2 |
0 |
| ODI |
0 |
15 |
31 |
291 |
1112 |
752 |
79 |
0 |
| CDI |
0 |
0 |
0 |
24 |
382 |
2488 |
877 |
0 |
| VCDI |
0 |
0 |
0 |
0 |
11 |
8317 |
28412 |
919 |
|
|
Date: 2025-10-07:
| Best estimate |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
120540 |
16250 |
526 |
804 |
84 |
0 |
0 |
0 |
| OW |
0 |
492 |
210 |
753 |
515 |
25 |
0 |
0 |
| VODI |
0 |
163 |
166 |
564 |
802 |
166 |
0 |
0 |
| ODI |
0 |
18 |
31 |
220 |
1125 |
928 |
18 |
0 |
| CDI |
0 |
0 |
0 |
23 |
646 |
3776 |
1138 |
0 |
| VCDI |
0 |
0 |
0 |
0 |
60 |
8897 |
22418 |
5649 |
|
|
Date: 2025-10-09:
| Best estimate |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
121527 |
15680 |
430 |
557 |
91 |
0 |
0 |
0 |
| OW |
5 |
435 |
185 |
576 |
369 |
26 |
0 |
0 |
| VODI |
1 |
191 |
168 |
510 |
580 |
196 |
2 |
0 |
| ODI |
0 |
18 |
42 |
351 |
885 |
394 |
29 |
0 |
| CDI |
0 |
0 |
0 |
28 |
1003 |
4641 |
1757 |
0 |
| VCDI |
0 |
0 |
0 |
0 |
66 |
10100 |
22845 |
3319 |
|
|
Date: 2025-10-11:
| Best estimate |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
118954 |
17208 |
586 |
700 |
101 |
2 |
0 |
0 |
| OW |
7 |
372 |
224 |
589 |
351 |
70 |
0 |
0 |
| VODI |
2 |
198 |
126 |
567 |
599 |
190 |
11 |
0 |
| ODI |
0 |
25 |
41 |
304 |
909 |
562 |
80 |
0 |
| CDI |
0 |
0 |
0 |
13 |
779 |
5088 |
1895 |
0 |
| VCDI |
0 |
0 |
0 |
0 |
22 |
8481 |
26527 |
1424 |
|
|
Date: 2025-10-13:
| Best estimate |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
117762 |
17702 |
575 |
682 |
107 |
5 |
0 |
0 |
| OW |
9 |
549 |
190 |
518 |
311 |
23 |
0 |
0 |
| VODI |
0 |
275 |
164 |
504 |
616 |
163 |
9 |
0 |
| ODI |
0 |
32 |
26 |
320 |
1012 |
638 |
65 |
0 |
| CDI |
0 |
0 |
0 |
52 |
669 |
3650 |
1245 |
0 |
| VCDI |
0 |
0 |
0 |
0 |
17 |
6128 |
27075 |
5914 |
|
|
Date: 2025-10-15:
| Best estimate |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
116673 |
17477 |
664 |
988 |
183 |
3 |
0 |
0 |
| OW |
6 |
393 |
167 |
611 |
349 |
34 |
0 |
0 |
| VODI |
3 |
302 |
209 |
689 |
701 |
90 |
1 |
0 |
| ODI |
0 |
51 |
26 |
371 |
1053 |
526 |
27 |
0 |
| CDI |
0 |
1 |
5 |
55 |
752 |
2463 |
639 |
0 |
| VCDI |
0 |
0 |
0 |
3 |
50 |
7433 |
27552 |
6457 |
|
|
Date: 2025-10-17:
| Best estimate |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
115717 |
16693 |
710 |
855 |
140 |
0 |
0 |
0 |
| OW |
7 |
437 |
181 |
807 |
843 |
72 |
1 |
0 |
| VODI |
1 |
322 |
173 |
705 |
682 |
383 |
5 |
0 |
| ODI |
0 |
43 |
28 |
249 |
1046 |
709 |
61 |
0 |
| CDI |
0 |
0 |
1 |
23 |
582 |
3893 |
985 |
0 |
| VCDI |
0 |
0 |
0 |
0 |
5 |
8171 |
24976 |
7501 |
|
|
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