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 |
9109 |
218 |
259 |
30 |
2 |
0 |
0 |
| OW |
20 |
193 |
64 |
203 |
109 |
7 |
0 |
0 |
| VODI |
4 |
128 |
75 |
240 |
227 |
37 |
3 |
0 |
| ODI |
0 |
70 |
44 |
244 |
409 |
200 |
56 |
0 |
| CDI |
0 |
2 |
8 |
20 |
116 |
550 |
522 |
0 |
| VCDI |
0 |
0 |
0 |
0 |
1 |
1180 |
7058 |
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 |
85718 |
10030 |
230 |
236 |
80 |
2 |
0 |
0 |
| OW |
22 |
154 |
63 |
182 |
137 |
16 |
0 |
0 |
| VODI |
4 |
109 |
112 |
285 |
242 |
58 |
0 |
0 |
| ODI |
0 |
34 |
44 |
259 |
409 |
222 |
22 |
0 |
| CDI |
0 |
0 |
0 |
26 |
199 |
545 |
297 |
0 |
| VCDI |
0 |
0 |
0 |
0 |
14 |
978 |
7693 |
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 |
85464 |
9923 |
228 |
280 |
90 |
2 |
0 |
0 |
| OW |
13 |
212 |
83 |
156 |
134 |
41 |
0 |
0 |
| VODI |
3 |
95 |
108 |
300 |
270 |
89 |
1 |
0 |
| ODI |
0 |
22 |
27 |
235 |
419 |
282 |
17 |
0 |
| CDI |
0 |
0 |
0 |
9 |
203 |
691 |
254 |
0 |
| VCDI |
0 |
0 |
0 |
0 |
8 |
571 |
7652 |
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 |
85086 |
10142 |
203 |
253 |
92 |
0 |
0 |
0 |
| OW |
12 |
217 |
61 |
149 |
120 |
17 |
0 |
0 |
| VODI |
8 |
119 |
113 |
289 |
246 |
89 |
0 |
0 |
| ODI |
1 |
7 |
32 |
217 |
530 |
318 |
34 |
0 |
| CDI |
0 |
0 |
0 |
4 |
209 |
693 |
409 |
0 |
| VCDI |
0 |
0 |
0 |
0 |
4 |
465 |
7567 |
1373 |
|
|
Date: 2025-12-12:
| Best estimate |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
83976 |
11007 |
225 |
244 |
19 |
0 |
0 |
0 |
| OW |
5 |
277 |
83 |
141 |
73 |
8 |
0 |
0 |
| VODI |
1 |
228 |
122 |
231 |
200 |
53 |
0 |
0 |
| ODI |
0 |
19 |
48 |
232 |
414 |
359 |
54 |
0 |
| CDI |
0 |
0 |
0 |
52 |
412 |
688 |
497 |
0 |
| VCDI |
0 |
0 |
0 |
1 |
65 |
819 |
7162 |
1364 |
|
|
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