Validation of sea ice concentration - European sector
Reference date: 2025-07-31
Model: GLO MFC - NEMO
Data source: OSI SAF N.H. sea ice concentration
Model vs. observations, sea ice class contingency tables
Date: 2025-07-25:
| Best estimate |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
90586 |
7999 |
495 |
684 |
8 |
0 |
0 |
0 |
| OW |
0 |
137 |
120 |
529 |
182 |
2 |
0 |
0 |
| VODI |
0 |
26 |
29 |
411 |
687 |
88 |
6 |
0 |
| ODI |
0 |
0 |
0 |
28 |
1049 |
841 |
95 |
0 |
| CDI |
0 |
0 |
0 |
0 |
302 |
4581 |
138 |
0 |
| VCDI |
0 |
0 |
0 |
0 |
0 |
61 |
3 |
0 |
|
|
Date: 2025-07-27:
| Best estimate |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
91027 |
7685 |
475 |
728 |
27 |
0 |
0 |
0 |
| OW |
0 |
88 |
77 |
526 |
151 |
2 |
0 |
0 |
| VODI |
0 |
25 |
23 |
423 |
769 |
123 |
5 |
0 |
| ODI |
0 |
0 |
0 |
17 |
1370 |
1020 |
104 |
0 |
| CDI |
0 |
0 |
0 |
0 |
340 |
3945 |
106 |
0 |
| VCDI |
0 |
0 |
0 |
0 |
0 |
25 |
6 |
0 |
|
|
Date: 2025-07-29:
| Best estimate |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
91617 |
7420 |
486 |
528 |
12 |
0 |
0 |
0 |
| OW |
0 |
82 |
95 |
482 |
81 |
1 |
0 |
0 |
| VODI |
0 |
13 |
26 |
515 |
560 |
65 |
1 |
0 |
| ODI |
0 |
0 |
0 |
35 |
1972 |
1319 |
59 |
0 |
| CDI |
0 |
0 |
0 |
0 |
172 |
2934 |
507 |
0 |
| VCDI |
0 |
0 |
0 |
0 |
0 |
33 |
72 |
0 |
|
|
Date: 2025-07-31:
| Best estimate |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
92270 |
7038 |
417 |
510 |
24 |
0 |
0 |
0 |
| OW |
0 |
76 |
95 |
389 |
82 |
0 |
0 |
0 |
| VODI |
0 |
17 |
62 |
382 |
568 |
146 |
1 |
0 |
| ODI |
0 |
0 |
1 |
36 |
1997 |
1413 |
133 |
0 |
| CDI |
0 |
0 |
0 |
0 |
255 |
2956 |
98 |
0 |
| VCDI |
0 |
0 |
0 |
0 |
0 |
113 |
8 |
0 |
|
|
Date: 2025-08-02:
| Best estimate |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
92690 |
6969 |
477 |
440 |
10 |
0 |
0 |
0 |
| OW |
0 |
88 |
114 |
309 |
41 |
0 |
0 |
0 |
| VODI |
0 |
32 |
57 |
436 |
785 |
89 |
0 |
0 |
| ODI |
0 |
0 |
0 |
30 |
2055 |
1366 |
32 |
0 |
| CDI |
0 |
0 |
0 |
0 |
108 |
2253 |
663 |
0 |
| VCDI |
0 |
0 |
0 |
0 |
1 |
30 |
12 |
0 |
|
|
Date: 2025-08-04:
| Best estimate |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
93371 |
6811 |
344 |
353 |
20 |
0 |
0 |
0 |
| OW |
0 |
115 |
74 |
295 |
36 |
0 |
0 |
0 |
| VODI |
0 |
44 |
24 |
372 |
804 |
97 |
2 |
0 |
| ODI |
0 |
0 |
0 |
34 |
2218 |
1463 |
3 |
0 |
| CDI |
0 |
0 |
0 |
0 |
61 |
1932 |
588 |
0 |
| VCDI |
0 |
0 |
0 |
0 |
0 |
7 |
19 |
0 |
|
|
Date: 2025-08-06:
| Best estimate |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
94449 |
6223 |
305 |
374 |
20 |
0 |
0 |
0 |
| OW |
0 |
124 |
69 |
171 |
25 |
0 |
0 |
0 |
| VODI |
0 |
47 |
49 |
344 |
843 |
46 |
5 |
0 |
| ODI |
0 |
0 |
0 |
32 |
2752 |
810 |
48 |
0 |
| CDI |
0 |
0 |
0 |
0 |
79 |
2115 |
108 |
0 |
| VCDI |
0 |
0 |
0 |
0 |
3 |
19 |
27 |
0 |
|
|
Date: 2025-08-08:
| Best estimate |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
94885 |
6213 |
256 |
301 |
17 |
0 |
0 |
0 |
| OW |
0 |
114 |
54 |
130 |
70 |
3 |
0 |
0 |
| VODI |
0 |
47 |
41 |
238 |
1166 |
135 |
0 |
0 |
| ODI |
0 |
0 |
0 |
11 |
1924 |
1332 |
5 |
0 |
| CDI |
0 |
0 |
0 |
0 |
37 |
1037 |
991 |
0 |
| VCDI |
0 |
0 |
0 |
0 |
0 |
12 |
68 |
0 |
|
|
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