Validation of sea ice concentration - European sector
Reference date: 2025-10-23
Model: GLO MFC - NEMO
Data source: OSI SAF N.H. sea ice concentration
Model vs. observations, sea ice class contingency tables
Date: 2025-10-17:
| Best estimate |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
95133 |
4633 |
177 |
214 |
32 |
0 |
0 |
0 |
| OW |
0 |
26 |
45 |
208 |
236 |
11 |
0 |
0 |
| VODI |
0 |
1 |
7 |
159 |
176 |
162 |
0 |
0 |
| ODI |
0 |
0 |
0 |
25 |
197 |
150 |
10 |
0 |
| CDI |
0 |
0 |
0 |
0 |
154 |
696 |
183 |
0 |
| VCDI |
0 |
0 |
0 |
0 |
0 |
2801 |
3571 |
80 |
|
|
Date: 2025-10-19:
| Best estimate |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
94590 |
4680 |
154 |
218 |
24 |
0 |
0 |
0 |
| OW |
0 |
23 |
30 |
208 |
307 |
12 |
0 |
0 |
| VODI |
0 |
7 |
6 |
101 |
296 |
112 |
0 |
0 |
| ODI |
0 |
0 |
0 |
28 |
203 |
222 |
4 |
0 |
| CDI |
0 |
0 |
0 |
9 |
140 |
1708 |
271 |
0 |
| VCDI |
0 |
0 |
0 |
3 |
72 |
3142 |
2493 |
24 |
|
|
Date: 2025-10-21:
| Best estimate |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
95054 |
4168 |
126 |
123 |
6 |
0 |
0 |
0 |
| OW |
0 |
50 |
64 |
174 |
208 |
1 |
0 |
0 |
| VODI |
0 |
9 |
21 |
154 |
346 |
73 |
0 |
0 |
| ODI |
0 |
0 |
0 |
60 |
298 |
161 |
5 |
0 |
| CDI |
0 |
0 |
0 |
4 |
223 |
1876 |
312 |
0 |
| VCDI |
0 |
0 |
0 |
0 |
36 |
2783 |
2588 |
164 |
|
|
Date: 2025-10-23:
| Best estimate |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
93792 |
5194 |
127 |
159 |
18 |
0 |
0 |
0 |
| OW |
0 |
58 |
54 |
173 |
141 |
0 |
0 |
0 |
| VODI |
0 |
9 |
18 |
139 |
305 |
47 |
3 |
0 |
| ODI |
0 |
0 |
1 |
23 |
413 |
173 |
16 |
0 |
| CDI |
0 |
0 |
0 |
0 |
203 |
846 |
450 |
0 |
| VCDI |
0 |
0 |
0 |
0 |
25 |
2322 |
4378 |
0 |
|
|
Date: 2025-10-25:
| Best estimate |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
94372 |
4480 |
114 |
115 |
5 |
0 |
0 |
0 |
| OW |
1 |
36 |
57 |
188 |
104 |
2 |
0 |
0 |
| VODI |
0 |
12 |
21 |
134 |
235 |
70 |
2 |
0 |
| ODI |
0 |
0 |
0 |
21 |
250 |
182 |
16 |
0 |
| CDI |
0 |
0 |
0 |
0 |
100 |
729 |
230 |
0 |
| VCDI |
0 |
0 |
0 |
0 |
28 |
1639 |
5459 |
485 |
|
|
Date: 2025-10-27:
| Best estimate |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
93699 |
4920 |
134 |
93 |
29 |
1 |
0 |
0 |
| OW |
0 |
53 |
44 |
151 |
116 |
14 |
0 |
0 |
| VODI |
0 |
7 |
34 |
114 |
158 |
105 |
1 |
0 |
| ODI |
0 |
0 |
2 |
34 |
263 |
150 |
50 |
0 |
| CDI |
0 |
0 |
0 |
6 |
144 |
598 |
283 |
0 |
| VCDI |
0 |
0 |
0 |
0 |
14 |
816 |
6556 |
498 |
|
|
Date: 2025-10-29:
| Best estimate |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
93994 |
4623 |
54 |
48 |
23 |
0 |
0 |
0 |
| OW |
0 |
179 |
61 |
53 |
38 |
12 |
0 |
0 |
| VODI |
0 |
59 |
80 |
157 |
67 |
44 |
5 |
0 |
| ODI |
0 |
4 |
21 |
125 |
188 |
84 |
30 |
0 |
| CDI |
0 |
0 |
0 |
6 |
304 |
403 |
166 |
0 |
| VCDI |
0 |
0 |
0 |
0 |
57 |
1474 |
6488 |
240 |
|
|
Date: 2025-10-31:
| Best estimate |
|
|
...observations not yet available
|
|
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