Validation of sea ice concentration - European sector
Reference date: 2025-11-20
Model: GLO MFC - NEMO
Data source: OSI SAF N.H. sea ice concentration
Model vs. observations, sea ice class contingency tables
Date: 2025-11-14:
| Best estimate |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
91553 |
6191 |
126 |
111 |
53 |
0 |
0 |
0 |
| OW |
1 |
69 |
38 |
119 |
47 |
4 |
0 |
0 |
| VODI |
0 |
37 |
44 |
129 |
137 |
43 |
0 |
0 |
| ODI |
0 |
3 |
3 |
73 |
252 |
135 |
0 |
0 |
| CDI |
0 |
0 |
0 |
2 |
113 |
650 |
99 |
0 |
| VCDI |
0 |
0 |
0 |
0 |
1 |
1209 |
7663 |
180 |
|
|
Date: 2025-11-16:
| Best estimate |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
90766 |
6818 |
129 |
143 |
10 |
0 |
0 |
0 |
| OW |
2 |
106 |
64 |
118 |
24 |
0 |
0 |
0 |
| VODI |
0 |
43 |
47 |
161 |
141 |
24 |
0 |
0 |
| ODI |
0 |
5 |
16 |
103 |
227 |
86 |
0 |
0 |
| CDI |
0 |
0 |
0 |
74 |
287 |
824 |
52 |
0 |
| VCDI |
0 |
0 |
0 |
0 |
16 |
2872 |
5927 |
0 |
|
|
Date: 2025-11-18:
| Best estimate |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
88655 |
8735 |
153 |
134 |
22 |
0 |
0 |
0 |
| OW |
4 |
130 |
76 |
98 |
39 |
3 |
0 |
0 |
| VODI |
0 |
61 |
65 |
147 |
87 |
24 |
0 |
0 |
| ODI |
0 |
7 |
20 |
151 |
193 |
118 |
2 |
0 |
| CDI |
0 |
1 |
2 |
45 |
228 |
932 |
199 |
0 |
| VCDI |
0 |
0 |
0 |
1 |
10 |
2710 |
5989 |
44 |
|
|
Date: 2025-11-20:
| Best estimate |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
90517 |
6738 |
115 |
76 |
23 |
0 |
0 |
0 |
| OW |
11 |
124 |
59 |
109 |
26 |
1 |
0 |
0 |
| VODI |
0 |
108 |
60 |
141 |
88 |
10 |
3 |
0 |
| ODI |
0 |
21 |
19 |
166 |
303 |
152 |
4 |
0 |
| CDI |
0 |
1 |
2 |
15 |
161 |
805 |
354 |
0 |
| VCDI |
0 |
0 |
0 |
0 |
18 |
2140 |
6715 |
0 |
|
|
Date: 2025-11-22:
| Best estimate |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
89900 |
7343 |
97 |
84 |
3 |
0 |
0 |
0 |
| OW |
4 |
182 |
49 |
81 |
16 |
0 |
0 |
0 |
| VODI |
0 |
133 |
61 |
172 |
123 |
15 |
0 |
0 |
| ODI |
0 |
33 |
23 |
124 |
256 |
203 |
15 |
0 |
| CDI |
0 |
0 |
2 |
15 |
149 |
852 |
458 |
0 |
| VCDI |
0 |
0 |
0 |
0 |
5 |
749 |
7281 |
657 |
|
|
Date: 2025-11-24:
| Best estimate |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
89474 |
7740 |
111 |
112 |
24 |
0 |
0 |
0 |
| OW |
3 |
160 |
45 |
75 |
26 |
2 |
0 |
0 |
| VODI |
1 |
151 |
76 |
151 |
118 |
18 |
0 |
0 |
| ODI |
0 |
8 |
23 |
126 |
252 |
171 |
6 |
0 |
| CDI |
0 |
0 |
0 |
7 |
137 |
591 |
383 |
1 |
| VCDI |
0 |
0 |
0 |
0 |
2 |
1705 |
6471 |
915 |
|
|
Date: 2025-11-26:
| Best estimate |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
88788 |
8385 |
132 |
143 |
9 |
0 |
0 |
0 |
| OW |
3 |
164 |
67 |
79 |
25 |
0 |
0 |
0 |
| VODI |
1 |
91 |
55 |
150 |
108 |
14 |
0 |
0 |
| ODI |
0 |
43 |
43 |
112 |
279 |
143 |
3 |
0 |
| CDI |
0 |
6 |
16 |
62 |
166 |
528 |
269 |
0 |
| VCDI |
0 |
0 |
0 |
2 |
24 |
1924 |
6681 |
570 |
|
|
Date: 2025-11-28:
| Best estimate |
|
|
...observations not yet available
|
|
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