Validation of sea ice concentration - European sector
Reference date: 2025-10-16
Model: GLO MFC - NEMO
Data source: OSI SAF N.H. sea ice concentration
Model vs. observations, sea ice class contingency tables
Date: 2025-10-10:
| Best estimate |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
96594 |
4964 |
78 |
72 |
12 |
1 |
0 |
0 |
| OW |
0 |
80 |
24 |
63 |
38 |
2 |
0 |
0 |
| VODI |
0 |
60 |
62 |
78 |
55 |
19 |
1 |
0 |
| ODI |
0 |
0 |
10 |
126 |
136 |
63 |
11 |
0 |
| CDI |
0 |
0 |
0 |
8 |
160 |
1058 |
812 |
0 |
| VCDI |
0 |
0 |
0 |
0 |
9 |
1437 |
3052 |
0 |
|
|
Date: 2025-10-12:
| Best estimate |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
95873 |
4980 |
133 |
207 |
108 |
2 |
0 |
0 |
| OW |
0 |
37 |
29 |
69 |
82 |
10 |
0 |
0 |
| VODI |
0 |
28 |
13 |
109 |
106 |
32 |
2 |
0 |
| ODI |
0 |
0 |
1 |
45 |
228 |
95 |
19 |
0 |
| CDI |
0 |
0 |
0 |
0 |
69 |
268 |
169 |
0 |
| VCDI |
0 |
0 |
0 |
0 |
7 |
1260 |
4973 |
131 |
|
|
Date: 2025-10-14:
| Best estimate |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
96537 |
4214 |
177 |
221 |
46 |
0 |
0 |
0 |
| OW |
0 |
41 |
38 |
80 |
80 |
2 |
0 |
0 |
| VODI |
0 |
22 |
33 |
117 |
114 |
20 |
0 |
0 |
| ODI |
0 |
7 |
5 |
96 |
181 |
81 |
8 |
0 |
| CDI |
0 |
0 |
0 |
35 |
186 |
309 |
134 |
0 |
| VCDI |
0 |
0 |
0 |
0 |
11 |
1855 |
4133 |
302 |
|
|
Date: 2025-10-16:
| Best estimate |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
95131 |
4856 |
184 |
265 |
69 |
0 |
0 |
0 |
| OW |
0 |
50 |
29 |
155 |
274 |
58 |
0 |
0 |
| VODI |
0 |
24 |
20 |
89 |
159 |
56 |
0 |
0 |
| ODI |
0 |
0 |
1 |
51 |
168 |
116 |
10 |
0 |
| CDI |
0 |
0 |
0 |
12 |
190 |
510 |
158 |
0 |
| VCDI |
0 |
0 |
0 |
0 |
11 |
2900 |
3214 |
325 |
|
|
Date: 2025-10-18:
| Best estimate |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
94947 |
4556 |
155 |
228 |
29 |
0 |
0 |
0 |
| OW |
0 |
24 |
37 |
193 |
263 |
22 |
0 |
0 |
| VODI |
0 |
2 |
6 |
164 |
173 |
173 |
1 |
0 |
| ODI |
0 |
0 |
0 |
30 |
182 |
199 |
10 |
0 |
| CDI |
0 |
0 |
0 |
1 |
158 |
1264 |
130 |
0 |
| VCDI |
0 |
0 |
0 |
2 |
28 |
2947 |
3103 |
58 |
|
|
Date: 2025-10-20:
| Best estimate |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
95031 |
4216 |
142 |
146 |
13 |
0 |
0 |
0 |
| OW |
0 |
29 |
58 |
204 |
263 |
2 |
0 |
0 |
| VODI |
0 |
7 |
12 |
148 |
342 |
66 |
0 |
0 |
| ODI |
0 |
0 |
0 |
83 |
269 |
136 |
0 |
0 |
| CDI |
0 |
0 |
0 |
0 |
273 |
1710 |
160 |
0 |
| VCDI |
0 |
0 |
0 |
0 |
35 |
3312 |
2266 |
162 |
|
|
Date: 2025-10-22:
| Best estimate |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
93934 |
5146 |
141 |
176 |
6 |
0 |
0 |
0 |
| OW |
0 |
65 |
64 |
167 |
134 |
1 |
0 |
0 |
| VODI |
0 |
5 |
23 |
122 |
339 |
116 |
2 |
0 |
| ODI |
0 |
0 |
1 |
41 |
335 |
185 |
8 |
0 |
| CDI |
0 |
0 |
0 |
4 |
162 |
1702 |
431 |
0 |
| VCDI |
0 |
0 |
0 |
0 |
18 |
2397 |
3357 |
3 |
|
|
Date: 2025-10-24:
| Best estimate |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
93827 |
5094 |
116 |
130 |
9 |
0 |
0 |
0 |
| OW |
1 |
66 |
54 |
185 |
107 |
2 |
0 |
0 |
| VODI |
0 |
7 |
22 |
149 |
266 |
53 |
0 |
0 |
| ODI |
0 |
0 |
0 |
24 |
295 |
197 |
1 |
0 |
| CDI |
0 |
0 |
0 |
0 |
158 |
875 |
205 |
0 |
| VCDI |
0 |
0 |
0 |
0 |
31 |
1882 |
5038 |
291 |
|
|
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