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 |
90518 |
6739 |
115 |
79 |
23 |
0 |
0 |
0 |
| OW |
10 |
122 |
59 |
107 |
26 |
1 |
0 |
0 |
| VODI |
0 |
109 |
61 |
142 |
88 |
10 |
3 |
0 |
| ODI |
0 |
21 |
18 |
164 |
302 |
151 |
4 |
0 |
| CDI |
0 |
1 |
2 |
15 |
162 |
806 |
355 |
0 |
| VCDI |
0 |
0 |
0 |
0 |
18 |
2140 |
6714 |
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 |
7341 |
96 |
83 |
3 |
0 |
0 |
0 |
| OW |
3 |
183 |
49 |
82 |
16 |
0 |
0 |
0 |
| VODI |
1 |
135 |
63 |
173 |
123 |
15 |
0 |
0 |
| ODI |
0 |
32 |
22 |
124 |
259 |
206 |
16 |
0 |
| CDI |
0 |
0 |
2 |
14 |
146 |
850 |
468 |
0 |
| VCDI |
0 |
0 |
0 |
0 |
5 |
748 |
7270 |
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 |
7738 |
112 |
110 |
24 |
0 |
0 |
0 |
| OW |
3 |
163 |
46 |
77 |
25 |
2 |
0 |
0 |
| VODI |
1 |
150 |
74 |
150 |
119 |
19 |
0 |
0 |
| ODI |
0 |
8 |
23 |
128 |
258 |
175 |
6 |
0 |
| CDI |
0 |
0 |
0 |
6 |
128 |
592 |
419 |
0 |
| VCDI |
0 |
0 |
0 |
0 |
5 |
1699 |
6435 |
916 |
|
|
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 |
8409 |
137 |
143 |
6 |
0 |
0 |
0 |
| OW |
3 |
158 |
65 |
81 |
26 |
0 |
0 |
0 |
| VODI |
1 |
84 |
63 |
157 |
109 |
14 |
0 |
0 |
| ODI |
0 |
38 |
42 |
132 |
299 |
147 |
1 |
0 |
| CDI |
0 |
0 |
6 |
35 |
152 |
573 |
332 |
0 |
| VCDI |
0 |
0 |
0 |
0 |
19 |
1875 |
6620 |
570 |
|
|
Date: 2025-11-28:
| Best estimate |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
88840 |
8050 |
193 |
193 |
28 |
0 |
0 |
0 |
| OW |
5 |
137 |
43 |
92 |
64 |
3 |
0 |
0 |
| VODI |
2 |
142 |
47 |
139 |
100 |
38 |
0 |
0 |
| ODI |
0 |
93 |
58 |
244 |
252 |
105 |
1 |
0 |
| CDI |
0 |
1 |
5 |
58 |
231 |
719 |
296 |
0 |
| VCDI |
0 |
0 |
0 |
0 |
22 |
1857 |
7009 |
18 |
|
|
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