Validation of sea ice concentration - European sector
Reference date: 2025-08-07
Model: GLO MFC - NEMO
Data source: OSI SAF N.H. sea ice concentration
Model vs. observations, sea ice class contingency tables
Date: 2025-08-01:
| Best estimate |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
92693 |
6833 |
446 |
447 |
11 |
0 |
0 |
0 |
| OW |
0 |
83 |
122 |
317 |
64 |
0 |
0 |
0 |
| VODI |
0 |
23 |
56 |
427 |
719 |
156 |
1 |
0 |
| ODI |
0 |
0 |
0 |
26 |
2107 |
1296 |
89 |
0 |
| CDI |
0 |
0 |
0 |
0 |
109 |
2514 |
476 |
0 |
| VCDI |
0 |
0 |
0 |
0 |
0 |
42 |
28 |
0 |
|
|
Date: 2025-08-03:
| Best estimate |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
92788 |
7043 |
430 |
422 |
20 |
0 |
0 |
0 |
| OW |
0 |
93 |
97 |
285 |
56 |
0 |
0 |
0 |
| VODI |
0 |
25 |
41 |
378 |
696 |
175 |
8 |
0 |
| ODI |
0 |
0 |
0 |
20 |
2053 |
1369 |
111 |
0 |
| CDI |
0 |
0 |
0 |
0 |
88 |
1990 |
847 |
0 |
| VCDI |
0 |
0 |
0 |
0 |
0 |
12 |
38 |
0 |
|
|
Date: 2025-08-05:
| Best estimate |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
93469 |
6984 |
346 |
336 |
18 |
0 |
0 |
0 |
| OW |
0 |
114 |
110 |
231 |
25 |
0 |
0 |
0 |
| VODI |
0 |
38 |
31 |
294 |
839 |
40 |
0 |
0 |
| ODI |
0 |
0 |
0 |
23 |
2392 |
1346 |
4 |
0 |
| CDI |
0 |
0 |
0 |
0 |
71 |
1255 |
1076 |
0 |
| VCDI |
0 |
0 |
0 |
0 |
0 |
19 |
24 |
0 |
|
|
Date: 2025-08-07:
| Best estimate |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
94624 |
6249 |
302 |
327 |
11 |
0 |
0 |
0 |
| OW |
0 |
121 |
60 |
157 |
39 |
2 |
0 |
0 |
| VODI |
0 |
52 |
53 |
296 |
968 |
211 |
0 |
0 |
| ODI |
0 |
0 |
0 |
26 |
1897 |
1424 |
23 |
0 |
| CDI |
0 |
0 |
0 |
0 |
27 |
766 |
1395 |
0 |
| VCDI |
0 |
0 |
0 |
0 |
0 |
6 |
49 |
0 |
|
|
Date: 2025-08-09:
| Best estimate |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
94785 |
6444 |
288 |
304 |
18 |
0 |
0 |
0 |
| OW |
0 |
81 |
45 |
137 |
77 |
7 |
0 |
0 |
| VODI |
0 |
48 |
34 |
233 |
1093 |
92 |
0 |
0 |
| ODI |
0 |
0 |
0 |
23 |
2091 |
1205 |
0 |
0 |
| CDI |
0 |
0 |
0 |
0 |
36 |
1725 |
204 |
0 |
| VCDI |
0 |
0 |
0 |
0 |
0 |
60 |
55 |
0 |
|
|
Date: 2025-08-11:
| Best estimate |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
95459 |
6093 |
274 |
270 |
40 |
0 |
0 |
0 |
| OW |
0 |
48 |
40 |
135 |
58 |
10 |
0 |
0 |
| VODI |
0 |
18 |
13 |
197 |
681 |
72 |
2 |
0 |
| ODI |
0 |
0 |
0 |
36 |
2669 |
1045 |
10 |
0 |
| CDI |
0 |
0 |
0 |
0 |
29 |
1597 |
118 |
0 |
| VCDI |
0 |
0 |
0 |
0 |
0 |
79 |
92 |
0 |
|
|
Date: 2025-08-13:
| Best estimate |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
95886 |
5937 |
238 |
233 |
15 |
0 |
0 |
0 |
| OW |
0 |
13 |
27 |
126 |
64 |
4 |
0 |
0 |
| VODI |
0 |
18 |
10 |
169 |
415 |
58 |
0 |
0 |
| ODI |
0 |
0 |
0 |
64 |
2875 |
1013 |
14 |
0 |
| CDI |
0 |
0 |
0 |
0 |
93 |
1378 |
207 |
0 |
| VCDI |
0 |
0 |
0 |
0 |
1 |
184 |
43 |
0 |
|
|
Date: 2025-08-15:
| Best estimate |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
96166 |
5815 |
162 |
181 |
15 |
0 |
0 |
0 |
| OW |
0 |
6 |
42 |
112 |
65 |
2 |
0 |
0 |
| VODI |
0 |
4 |
5 |
172 |
557 |
62 |
0 |
0 |
| ODI |
0 |
0 |
0 |
42 |
2869 |
1129 |
13 |
0 |
| CDI |
0 |
0 |
0 |
0 |
25 |
1430 |
79 |
0 |
| VCDI |
0 |
0 |
0 |
0 |
0 |
74 |
58 |
0 |
|
|
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