Validation of sea ice concentration - Full domain
Reference date: 2025-05-22
Model: GLO MFC - NEMO
Data source: OSI SAF N.H. sea ice concentration
Model vs. observations, sea ice class contingency tables
Date: 2025-05-16:
| Best estimate |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
71296 |
14009 |
459 |
627 |
10 |
0 |
0 |
0 |
| OW |
0 |
367 |
101 |
509 |
36 |
0 |
0 |
0 |
| VODI |
0 |
723 |
316 |
2353 |
889 |
40 |
9 |
0 |
| ODI |
0 |
603 |
343 |
2222 |
4831 |
1083 |
78 |
6 |
| CDI |
0 |
143 |
21 |
408 |
2931 |
9257 |
3841 |
112 |
| VCDI |
0 |
0 |
0 |
1 |
72 |
2938 |
36012 |
30393 |
|
|
Date: 2025-05-18:
| Best estimate |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
71391 |
14159 |
529 |
789 |
19 |
0 |
0 |
0 |
| OW |
0 |
319 |
108 |
744 |
90 |
0 |
0 |
0 |
| VODI |
0 |
684 |
272 |
2483 |
849 |
44 |
1 |
0 |
| ODI |
0 |
647 |
309 |
2014 |
5413 |
1059 |
68 |
3 |
| CDI |
0 |
4 |
3 |
257 |
2577 |
9340 |
2852 |
181 |
| VCDI |
0 |
0 |
0 |
0 |
60 |
2598 |
32254 |
34919 |
|
|
Date: 2025-05-20:
| Best estimate |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
71445 |
14418 |
532 |
1042 |
199 |
0 |
0 |
0 |
| OW |
0 |
369 |
146 |
762 |
113 |
0 |
0 |
0 |
| VODI |
0 |
599 |
378 |
2219 |
874 |
31 |
13 |
0 |
| ODI |
0 |
664 |
285 |
1878 |
5098 |
1417 |
193 |
21 |
| CDI |
0 |
1 |
4 |
344 |
2406 |
10368 |
2916 |
138 |
| VCDI |
0 |
0 |
0 |
0 |
22 |
3826 |
29946 |
34372 |
|
|
Date: 2025-05-22:
| Best estimate |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
71836 |
14212 |
571 |
1201 |
53 |
0 |
0 |
0 |
| OW |
0 |
347 |
171 |
848 |
153 |
2 |
0 |
0 |
| VODI |
0 |
633 |
346 |
2243 |
881 |
73 |
10 |
0 |
| ODI |
0 |
624 |
266 |
1859 |
5525 |
1431 |
176 |
18 |
| CDI |
0 |
23 |
19 |
430 |
2493 |
10775 |
3343 |
312 |
| VCDI |
0 |
0 |
0 |
0 |
49 |
3362 |
27826 |
34928 |
|
|
Date: 2025-05-24:
| Best estimate |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
72705 |
14008 |
624 |
913 |
40 |
0 |
0 |
0 |
| OW |
0 |
334 |
212 |
692 |
138 |
3 |
0 |
0 |
| VODI |
0 |
713 |
425 |
2283 |
857 |
49 |
6 |
0 |
| ODI |
0 |
626 |
268 |
1921 |
6120 |
1161 |
73 |
0 |
| CDI |
0 |
47 |
38 |
407 |
2685 |
12031 |
3574 |
110 |
| VCDI |
0 |
0 |
0 |
0 |
30 |
3894 |
24905 |
35147 |
|
|
Date: 2025-05-26:
| Best estimate |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
74818 |
12945 |
538 |
708 |
7 |
0 |
0 |
0 |
| OW |
0 |
380 |
219 |
616 |
24 |
2 |
0 |
0 |
| VODI |
0 |
686 |
378 |
2353 |
805 |
92 |
6 |
0 |
| ODI |
0 |
577 |
230 |
1776 |
6114 |
1755 |
106 |
0 |
| CDI |
0 |
65 |
27 |
363 |
2511 |
12631 |
4538 |
90 |
| VCDI |
0 |
0 |
0 |
0 |
128 |
3239 |
31041 |
27271 |
|
|
Date: 2025-05-28:
| Best estimate |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
74967 |
13458 |
613 |
1078 |
56 |
0 |
0 |
0 |
| OW |
0 |
368 |
175 |
622 |
103 |
2 |
0 |
0 |
| VODI |
0 |
688 |
352 |
2060 |
919 |
61 |
0 |
0 |
| ODI |
0 |
623 |
311 |
1997 |
6023 |
1540 |
84 |
0 |
| CDI |
0 |
35 |
32 |
410 |
4687 |
11588 |
3885 |
26 |
| VCDI |
0 |
0 |
0 |
7 |
315 |
3008 |
27974 |
28972 |
|
|
Date: 2025-05-30:
| Best estimate |
|
|
...observations not yet available
|
|
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