Validation of sea ice concentration - European sector
Reference date: 2025-04-24
Model: GLO MFC - NEMO
Data source: OSI SAF N.H. sea ice concentration
Model vs. observations, sea ice class contingency tables
Date: 2025-04-18:
| Best estimate |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
67085 |
15571 |
439 |
417 |
23 |
0 |
0 |
0 |
| OW |
0 |
312 |
111 |
481 |
70 |
0 |
0 |
0 |
| VODI |
0 |
370 |
212 |
872 |
584 |
34 |
0 |
0 |
| ODI |
0 |
8 |
40 |
549 |
1512 |
595 |
19 |
0 |
| CDI |
0 |
0 |
0 |
12 |
662 |
2908 |
1331 |
7 |
| VCDI |
0 |
0 |
0 |
0 |
10 |
606 |
7490 |
6763 |
|
|
Date: 2025-04-20:
| Best estimate |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
66284 |
16177 |
519 |
622 |
33 |
0 |
0 |
0 |
| OW |
0 |
283 |
123 |
603 |
100 |
1 |
0 |
0 |
| VODI |
0 |
335 |
145 |
809 |
673 |
39 |
0 |
0 |
| ODI |
0 |
25 |
73 |
551 |
1426 |
529 |
17 |
0 |
| CDI |
0 |
0 |
0 |
8 |
771 |
2388 |
1237 |
24 |
| VCDI |
0 |
0 |
0 |
0 |
9 |
836 |
7904 |
6549 |
|
|
Date: 2025-04-22:
| Best estimate |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
66914 |
15901 |
544 |
660 |
26 |
0 |
0 |
0 |
| OW |
0 |
217 |
140 |
579 |
94 |
0 |
0 |
0 |
| VODI |
0 |
229 |
123 |
690 |
660 |
24 |
2 |
0 |
| ODI |
0 |
13 |
42 |
474 |
1411 |
575 |
115 |
0 |
| CDI |
0 |
0 |
0 |
5 |
442 |
2355 |
1576 |
30 |
| VCDI |
0 |
0 |
0 |
0 |
1 |
578 |
7940 |
6733 |
|
|
Date: 2025-04-24:
| Best estimate |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
67158 |
15533 |
559 |
748 |
13 |
0 |
0 |
0 |
| OW |
0 |
228 |
113 |
519 |
58 |
0 |
0 |
0 |
| VODI |
0 |
215 |
152 |
838 |
586 |
56 |
27 |
0 |
| ODI |
0 |
12 |
35 |
454 |
1416 |
686 |
152 |
0 |
| CDI |
0 |
0 |
0 |
2 |
470 |
2349 |
1513 |
39 |
| VCDI |
0 |
0 |
0 |
0 |
0 |
605 |
7754 |
6803 |
|
|
Date: 2025-04-26:
| Best estimate |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
67426 |
15589 |
513 |
379 |
0 |
0 |
0 |
0 |
| OW |
0 |
234 |
138 |
492 |
62 |
0 |
0 |
0 |
| VODI |
0 |
265 |
150 |
949 |
517 |
48 |
14 |
0 |
| ODI |
0 |
25 |
42 |
451 |
1489 |
537 |
124 |
0 |
| CDI |
0 |
0 |
0 |
49 |
608 |
2999 |
1372 |
20 |
| VCDI |
0 |
0 |
0 |
0 |
5 |
851 |
7437 |
6308 |
|
|
Date: 2025-04-28:
| Best estimate |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
68808 |
14523 |
362 |
227 |
2 |
0 |
0 |
0 |
| OW |
0 |
343 |
201 |
380 |
68 |
0 |
0 |
0 |
| VODI |
0 |
305 |
198 |
986 |
265 |
28 |
1 |
0 |
| ODI |
0 |
39 |
61 |
685 |
1474 |
283 |
26 |
0 |
| CDI |
0 |
0 |
0 |
110 |
858 |
3360 |
1355 |
0 |
| VCDI |
0 |
0 |
0 |
0 |
1 |
1069 |
6982 |
6093 |
|
|
Date: 2025-04-30:
| Best estimate |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
68461 |
14769 |
383 |
243 |
6 |
0 |
0 |
0 |
| OW |
0 |
300 |
169 |
417 |
37 |
0 |
0 |
0 |
| VODI |
0 |
290 |
181 |
1065 |
239 |
9 |
3 |
0 |
| ODI |
0 |
50 |
74 |
690 |
1747 |
332 |
31 |
0 |
| CDI |
0 |
0 |
0 |
86 |
908 |
3742 |
1387 |
2 |
| VCDI |
0 |
0 |
0 |
0 |
21 |
762 |
6983 |
5706 |
|
|
Date: 2025-05-02:
| Best estimate |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
69805 |
13452 |
327 |
230 |
1 |
0 |
0 |
0 |
| OW |
17 |
273 |
140 |
328 |
34 |
0 |
0 |
0 |
| VODI |
0 |
313 |
219 |
1092 |
320 |
34 |
4 |
0 |
| ODI |
0 |
63 |
82 |
702 |
1788 |
560 |
82 |
0 |
| CDI |
0 |
0 |
0 |
91 |
966 |
4089 |
1199 |
0 |
| VCDI |
0 |
0 |
0 |
0 |
9 |
1037 |
6772 |
5064 |
|
|
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