Validation of sea ice concentration - European sector
Reference date: 2025-10-09
Model: GLO MFC - NEMO
Data source: OSI SAF N.H. sea ice concentration
Model vs. observations, sea ice class contingency tables
Date: 2025-10-03:
| Best estimate |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
97115 |
4107 |
67 |
65 |
19 |
0 |
0 |
0 |
| OW |
0 |
109 |
19 |
39 |
45 |
2 |
0 |
0 |
| VODI |
0 |
44 |
52 |
78 |
67 |
19 |
0 |
0 |
| ODI |
0 |
2 |
10 |
87 |
108 |
86 |
0 |
0 |
| CDI |
0 |
0 |
0 |
14 |
182 |
462 |
36 |
3 |
| VCDI |
0 |
0 |
0 |
0 |
22 |
2859 |
3074 |
293 |
|
|
Date: 2025-10-05:
| Best estimate |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
96940 |
4267 |
42 |
77 |
28 |
2 |
0 |
0 |
| OW |
0 |
115 |
25 |
37 |
39 |
1 |
0 |
0 |
| VODI |
0 |
44 |
24 |
89 |
91 |
27 |
2 |
0 |
| ODI |
0 |
0 |
7 |
59 |
158 |
138 |
20 |
0 |
| CDI |
0 |
0 |
0 |
1 |
43 |
735 |
312 |
0 |
| VCDI |
0 |
0 |
0 |
0 |
0 |
1883 |
3622 |
257 |
|
|
Date: 2025-10-07:
| Best estimate |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
97824 |
3628 |
49 |
51 |
8 |
0 |
0 |
0 |
| OW |
0 |
88 |
33 |
47 |
25 |
0 |
0 |
0 |
| VODI |
0 |
27 |
41 |
111 |
74 |
5 |
0 |
0 |
| ODI |
0 |
1 |
7 |
67 |
173 |
70 |
1 |
0 |
| CDI |
0 |
0 |
0 |
12 |
202 |
1173 |
298 |
0 |
| VCDI |
0 |
0 |
0 |
0 |
10 |
2526 |
2357 |
177 |
|
|
Date: 2025-10-09:
| Best estimate |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
97891 |
3829 |
47 |
36 |
14 |
0 |
0 |
0 |
| OW |
0 |
74 |
26 |
31 |
24 |
2 |
0 |
0 |
| VODI |
0 |
54 |
57 |
102 |
47 |
16 |
2 |
0 |
| ODI |
0 |
2 |
22 |
119 |
141 |
58 |
6 |
0 |
| CDI |
0 |
0 |
0 |
15 |
158 |
1079 |
711 |
0 |
| VCDI |
0 |
0 |
0 |
0 |
9 |
1719 |
2794 |
0 |
|
|
Date: 2025-10-11:
| Best estimate |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
96191 |
4904 |
161 |
198 |
50 |
2 |
0 |
0 |
| OW |
0 |
37 |
31 |
66 |
83 |
13 |
0 |
0 |
| VODI |
0 |
8 |
20 |
135 |
95 |
40 |
3 |
0 |
| ODI |
0 |
0 |
0 |
36 |
182 |
101 |
25 |
0 |
| CDI |
0 |
0 |
0 |
0 |
66 |
510 |
566 |
0 |
| VCDI |
0 |
0 |
0 |
0 |
0 |
1260 |
4296 |
6 |
|
|
Date: 2025-10-13:
| Best estimate |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
95828 |
4983 |
169 |
203 |
53 |
0 |
0 |
0 |
| OW |
0 |
46 |
28 |
82 |
67 |
5 |
0 |
0 |
| VODI |
0 |
31 |
26 |
81 |
146 |
17 |
0 |
0 |
| ODI |
0 |
12 |
4 |
54 |
202 |
84 |
9 |
0 |
| CDI |
0 |
0 |
0 |
11 |
137 |
295 |
88 |
0 |
| VCDI |
0 |
0 |
0 |
0 |
13 |
1830 |
4332 |
249 |
|
|
Date: 2025-10-15:
| Best estimate |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
95432 |
5007 |
187 |
253 |
50 |
2 |
0 |
0 |
| OW |
0 |
41 |
43 |
143 |
117 |
25 |
0 |
0 |
| VODI |
0 |
18 |
26 |
116 |
122 |
20 |
0 |
0 |
| ODI |
0 |
7 |
2 |
108 |
170 |
71 |
5 |
0 |
| CDI |
0 |
0 |
0 |
19 |
209 |
362 |
137 |
0 |
| VCDI |
0 |
0 |
0 |
0 |
8 |
1433 |
4392 |
560 |
|
|
Date: 2025-10-17:
| Best estimate |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
95133 |
4631 |
178 |
211 |
31 |
0 |
0 |
0 |
| OW |
0 |
26 |
44 |
211 |
234 |
9 |
0 |
0 |
| VODI |
0 |
1 |
7 |
160 |
178 |
162 |
0 |
0 |
| ODI |
0 |
0 |
0 |
24 |
199 |
150 |
10 |
0 |
| CDI |
0 |
0 |
0 |
0 |
153 |
713 |
183 |
0 |
| VCDI |
0 |
0 |
0 |
0 |
0 |
2786 |
3571 |
80 |
|
|
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