Validation of sea ice concentration - European sector
Reference date: 2025-12-04
Model: GLO MFC - NEMO
Data source: OSI SAF N.H. sea ice concentration
Model vs. observations, sea ice class contingency tables
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 |
88834 |
8048 |
192 |
193 |
34 |
0 |
0 |
0 |
| OW |
5 |
136 |
44 |
90 |
59 |
3 |
0 |
0 |
| VODI |
2 |
143 |
46 |
142 |
99 |
37 |
0 |
0 |
| ODI |
0 |
95 |
60 |
241 |
247 |
100 |
1 |
0 |
| CDI |
0 |
1 |
4 |
60 |
236 |
723 |
300 |
0 |
| VCDI |
0 |
0 |
0 |
0 |
22 |
1859 |
7005 |
18 |
|
|
Date: 2025-11-30:
| Best estimate |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
87492 |
9188 |
176 |
196 |
48 |
0 |
0 |
0 |
| OW |
8 |
185 |
52 |
140 |
43 |
2 |
0 |
0 |
| VODI |
2 |
278 |
74 |
154 |
102 |
16 |
0 |
0 |
| ODI |
0 |
28 |
54 |
272 |
316 |
132 |
24 |
0 |
| CDI |
0 |
0 |
1 |
12 |
200 |
867 |
383 |
0 |
| VCDI |
0 |
0 |
0 |
0 |
16 |
2449 |
6167 |
2 |
|
|
Date: 2025-12-02:
| Best estimate |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
88275 |
8380 |
182 |
217 |
20 |
0 |
0 |
0 |
| OW |
14 |
210 |
69 |
123 |
57 |
7 |
0 |
0 |
| VODI |
1 |
261 |
108 |
201 |
128 |
15 |
0 |
0 |
| ODI |
0 |
36 |
38 |
220 |
378 |
209 |
51 |
0 |
| CDI |
0 |
0 |
5 |
54 |
164 |
698 |
547 |
0 |
| VCDI |
0 |
0 |
0 |
1 |
22 |
1914 |
6474 |
0 |
|
|
Date: 2025-12-04:
| Best estimate |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
87088 |
9112 |
219 |
257 |
28 |
2 |
0 |
0 |
| OW |
20 |
189 |
63 |
206 |
111 |
7 |
0 |
0 |
| VODI |
4 |
129 |
75 |
238 |
226 |
36 |
3 |
0 |
| ODI |
0 |
70 |
44 |
245 |
408 |
198 |
56 |
0 |
| CDI |
0 |
2 |
8 |
20 |
118 |
554 |
523 |
0 |
| VCDI |
0 |
0 |
0 |
0 |
1 |
1179 |
7057 |
583 |
|
|
Date: 2025-12-06:
| Best estimate |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
85719 |
10028 |
229 |
236 |
79 |
2 |
0 |
0 |
| OW |
21 |
155 |
65 |
183 |
138 |
16 |
0 |
0 |
| VODI |
4 |
109 |
110 |
282 |
239 |
57 |
0 |
0 |
| ODI |
0 |
35 |
45 |
261 |
411 |
220 |
20 |
0 |
| CDI |
0 |
0 |
0 |
26 |
200 |
553 |
304 |
0 |
| VCDI |
0 |
0 |
0 |
0 |
14 |
973 |
7688 |
657 |
|
|
Date: 2025-12-08:
| Best estimate |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
85466 |
9919 |
229 |
291 |
96 |
1 |
0 |
0 |
| OW |
11 |
215 |
80 |
146 |
126 |
43 |
0 |
0 |
| VODI |
3 |
98 |
107 |
292 |
270 |
86 |
1 |
0 |
| ODI |
0 |
20 |
30 |
242 |
423 |
281 |
16 |
0 |
| CDI |
0 |
0 |
0 |
9 |
201 |
705 |
254 |
0 |
| VCDI |
0 |
0 |
0 |
0 |
8 |
560 |
7653 |
1197 |
|
|
Date: 2025-12-10:
| Best estimate |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
85058 |
10090 |
196 |
267 |
101 |
1 |
0 |
0 |
| OW |
38 |
244 |
62 |
131 |
118 |
20 |
0 |
0 |
| VODI |
9 |
138 |
102 |
243 |
217 |
85 |
0 |
0 |
| ODI |
2 |
13 |
49 |
262 |
522 |
302 |
36 |
0 |
| CDI |
0 |
0 |
0 |
9 |
238 |
692 |
415 |
0 |
| VCDI |
0 |
0 |
0 |
0 |
5 |
482 |
7559 |
1373 |
|
|
Date: 2025-12-12:
| Best estimate |
|
|
...observations not yet available
|
|
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