Validation of sea ice concentration - European sector
Reference date: 2025-12-11
Model: GLO MFC - NEMO
Data source: OSI SAF N.H. sea ice concentration
Model vs. observations, sea ice class contingency tables
Date: 2025-12-05:
| Best estimate |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
86316 |
9636 |
232 |
259 |
53 |
0 |
0 |
0 |
| OW |
16 |
134 |
46 |
200 |
136 |
4 |
0 |
0 |
| VODI |
5 |
124 |
95 |
237 |
224 |
52 |
2 |
0 |
| ODI |
0 |
43 |
42 |
301 |
422 |
216 |
32 |
0 |
| CDI |
0 |
0 |
0 |
14 |
174 |
532 |
403 |
0 |
| VCDI |
0 |
0 |
0 |
0 |
11 |
964 |
7606 |
553 |
|
|
Date: 2025-12-07:
| Best estimate |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
85464 |
10124 |
216 |
256 |
63 |
1 |
0 |
0 |
| OW |
20 |
182 |
97 |
172 |
134 |
27 |
0 |
0 |
| VODI |
2 |
114 |
124 |
295 |
238 |
72 |
1 |
0 |
| ODI |
0 |
28 |
35 |
274 |
380 |
249 |
13 |
0 |
| CDI |
0 |
0 |
0 |
10 |
221 |
609 |
282 |
0 |
| VCDI |
0 |
0 |
0 |
0 |
6 |
722 |
7891 |
762 |
|
|
Date: 2025-12-09:
| Best estimate |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
85275 |
10062 |
232 |
261 |
72 |
1 |
0 |
0 |
| OW |
15 |
204 |
79 |
154 |
138 |
33 |
0 |
0 |
| VODI |
5 |
112 |
114 |
278 |
225 |
83 |
0 |
0 |
| ODI |
0 |
7 |
20 |
234 |
529 |
251 |
26 |
0 |
| CDI |
0 |
0 |
1 |
13 |
184 |
748 |
240 |
0 |
| VCDI |
0 |
0 |
0 |
0 |
1 |
511 |
7033 |
1943 |
|
|
Date: 2025-12-11:
| Best estimate |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
84391 |
10675 |
201 |
273 |
40 |
0 |
0 |
0 |
| OW |
12 |
275 |
57 |
135 |
126 |
2 |
0 |
0 |
| VODI |
5 |
174 |
121 |
251 |
241 |
64 |
0 |
0 |
| ODI |
0 |
12 |
26 |
235 |
481 |
347 |
46 |
0 |
| CDI |
0 |
0 |
1 |
17 |
287 |
735 |
502 |
0 |
| VCDI |
0 |
0 |
0 |
0 |
5 |
917 |
6552 |
1878 |
|
|
Date: 2025-12-13:
| Best estimate |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
83820 |
11260 |
180 |
162 |
18 |
0 |
0 |
0 |
| OW |
3 |
301 |
81 |
163 |
48 |
1 |
0 |
0 |
| VODI |
0 |
250 |
109 |
233 |
148 |
37 |
0 |
0 |
| ODI |
0 |
84 |
73 |
305 |
470 |
254 |
45 |
0 |
| CDI |
0 |
0 |
1 |
58 |
536 |
921 |
301 |
0 |
| VCDI |
0 |
0 |
0 |
0 |
82 |
1248 |
6630 |
1262 |
|
|
Date: 2025-12-15:
| Best estimate |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
84275 |
10771 |
141 |
184 |
42 |
0 |
0 |
0 |
| OW |
13 |
398 |
60 |
132 |
35 |
9 |
0 |
0 |
| VODI |
0 |
297 |
124 |
225 |
139 |
47 |
0 |
0 |
| ODI |
0 |
101 |
84 |
311 |
578 |
339 |
92 |
0 |
| CDI |
0 |
6 |
9 |
38 |
393 |
2063 |
462 |
0 |
| VCDI |
0 |
0 |
0 |
0 |
12 |
1993 |
5524 |
187 |
|
|
Date: 2025-12-17:
| Best estimate |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
83068 |
11806 |
210 |
208 |
48 |
5 |
0 |
0 |
| OW |
18 |
418 |
69 |
154 |
49 |
17 |
0 |
0 |
| VODI |
2 |
360 |
141 |
250 |
145 |
56 |
1 |
0 |
| ODI |
0 |
102 |
110 |
495 |
590 |
209 |
100 |
0 |
| CDI |
0 |
1 |
4 |
117 |
457 |
1602 |
727 |
0 |
| VCDI |
0 |
0 |
0 |
0 |
2 |
1909 |
5524 |
110 |
|
|
Date: 2025-12-19:
| Best estimate |
|
|
...observations not yet available
|
|
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