Validation of sea ice concentration - European sector
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 |
71282 |
13323 |
432 |
589 |
10 |
0 |
0 |
0 |
| OW |
0 |
298 |
81 |
440 |
34 |
0 |
0 |
0 |
| VODI |
0 |
455 |
230 |
1937 |
738 |
22 |
0 |
0 |
| ODI |
0 |
178 |
102 |
963 |
3123 |
852 |
5 |
0 |
| CDI |
0 |
1 |
0 |
117 |
1002 |
3867 |
1071 |
2 |
| VCDI |
0 |
0 |
0 |
0 |
1 |
634 |
6677 |
625 |
|
|
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 |
71387 |
13524 |
489 |
702 |
19 |
0 |
0 |
0 |
| OW |
0 |
240 |
85 |
663 |
88 |
0 |
0 |
0 |
| VODI |
0 |
391 |
168 |
1892 |
683 |
30 |
0 |
0 |
| ODI |
0 |
251 |
106 |
750 |
3559 |
707 |
10 |
0 |
| CDI |
0 |
0 |
1 |
85 |
935 |
3456 |
999 |
10 |
| VCDI |
0 |
0 |
0 |
0 |
0 |
340 |
5515 |
2006 |
|
|
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 |
71437 |
13728 |
487 |
957 |
198 |
0 |
0 |
0 |
| OW |
0 |
238 |
100 |
694 |
111 |
0 |
0 |
0 |
| VODI |
0 |
219 |
162 |
1572 |
719 |
24 |
9 |
0 |
| ODI |
0 |
221 |
105 |
616 |
3314 |
968 |
63 |
0 |
| CDI |
0 |
1 |
0 |
84 |
644 |
3598 |
1198 |
30 |
| VCDI |
0 |
0 |
0 |
0 |
0 |
552 |
4556 |
2486 |
|
|
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 |
71812 |
13521 |
495 |
1124 |
52 |
0 |
0 |
0 |
| OW |
0 |
182 |
97 |
745 |
152 |
0 |
0 |
0 |
| VODI |
0 |
237 |
141 |
1473 |
735 |
36 |
4 |
0 |
| ODI |
0 |
154 |
105 |
653 |
3518 |
835 |
56 |
0 |
| CDI |
0 |
0 |
0 |
76 |
753 |
3983 |
859 |
6 |
| VCDI |
0 |
0 |
0 |
0 |
5 |
468 |
5032 |
1782 |
|
|
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 |
13251 |
519 |
793 |
39 |
0 |
0 |
0 |
| OW |
0 |
147 |
148 |
584 |
134 |
3 |
0 |
0 |
| VODI |
0 |
268 |
146 |
1504 |
706 |
25 |
6 |
0 |
| ODI |
0 |
226 |
101 |
703 |
3649 |
623 |
38 |
0 |
| CDI |
0 |
3 |
4 |
41 |
868 |
4098 |
726 |
6 |
| VCDI |
0 |
0 |
0 |
0 |
2 |
237 |
2951 |
3837 |
|
|
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 |
12064 |
409 |
574 |
5 |
0 |
0 |
0 |
| OW |
0 |
182 |
147 |
516 |
13 |
0 |
0 |
0 |
| VODI |
0 |
228 |
151 |
1538 |
592 |
34 |
3 |
0 |
| ODI |
0 |
243 |
113 |
710 |
3355 |
930 |
60 |
0 |
| CDI |
0 |
1 |
2 |
25 |
667 |
3489 |
1134 |
0 |
| VCDI |
0 |
0 |
0 |
0 |
0 |
215 |
4820 |
2053 |
|
|
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 |
75054 |
12087 |
405 |
735 |
34 |
0 |
0 |
0 |
| OW |
0 |
171 |
111 |
434 |
57 |
0 |
0 |
0 |
| VODI |
0 |
269 |
170 |
1312 |
590 |
26 |
0 |
0 |
| ODI |
0 |
238 |
119 |
848 |
3255 |
1079 |
48 |
0 |
| CDI |
0 |
0 |
2 |
18 |
528 |
3328 |
1462 |
5 |
| VCDI |
0 |
0 |
0 |
0 |
1 |
123 |
4288 |
2294 |
|
|
Date: 2025-05-30:
| Best estimate |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
75393 |
12079 |
433 |
685 |
22 |
0 |
0 |
0 |
| OW |
0 |
159 |
135 |
467 |
32 |
0 |
0 |
0 |
| VODI |
0 |
270 |
155 |
1346 |
731 |
24 |
0 |
0 |
| ODI |
0 |
327 |
150 |
710 |
3168 |
1199 |
36 |
0 |
| CDI |
0 |
0 |
0 |
17 |
550 |
2376 |
2015 |
0 |
| VCDI |
0 |
0 |
0 |
0 |
0 |
37 |
3744 |
2831 |
|
|
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