Validation of sea ice concentration - European sector
Reference date: 2025-10-30
Model: GLO MFC - NEMO
Data source: OSI SAF N.H. sea ice concentration
Model vs. observations, sea ice class contingency tables
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 |
93825 |
5094 |
118 |
133 |
9 |
0 |
0 |
0 |
| OW |
1 |
66 |
52 |
183 |
110 |
2 |
0 |
0 |
| VODI |
0 |
7 |
22 |
146 |
265 |
53 |
0 |
0 |
| ODI |
0 |
0 |
0 |
26 |
294 |
198 |
1 |
0 |
| CDI |
0 |
0 |
0 |
0 |
158 |
875 |
206 |
0 |
| VCDI |
0 |
0 |
0 |
0 |
30 |
1883 |
5037 |
291 |
|
|
Date: 2025-10-26:
| Best estimate |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
94203 |
4511 |
122 |
138 |
19 |
0 |
0 |
0 |
| OW |
1 |
37 |
42 |
163 |
115 |
12 |
0 |
0 |
| VODI |
0 |
10 |
21 |
122 |
203 |
100 |
4 |
0 |
| ODI |
0 |
0 |
0 |
29 |
218 |
152 |
42 |
0 |
| CDI |
0 |
0 |
0 |
3 |
70 |
658 |
258 |
0 |
| VCDI |
0 |
0 |
0 |
0 |
12 |
1110 |
6479 |
231 |
|
|
Date: 2025-10-28:
| Best estimate |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
93256 |
5358 |
114 |
69 |
12 |
0 |
0 |
0 |
| OW |
0 |
82 |
63 |
142 |
52 |
3 |
0 |
0 |
| VODI |
0 |
27 |
45 |
174 |
102 |
57 |
0 |
0 |
| ODI |
0 |
0 |
7 |
69 |
243 |
140 |
30 |
0 |
| CDI |
0 |
0 |
0 |
1 |
183 |
524 |
250 |
0 |
| VCDI |
0 |
0 |
0 |
0 |
0 |
1451 |
6371 |
260 |
|
|
Date: 2025-10-30:
| Best estimate |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
93571 |
5196 |
40 |
35 |
16 |
1 |
0 |
0 |
| OW |
0 |
266 |
40 |
48 |
16 |
7 |
0 |
0 |
| VODI |
0 |
79 |
75 |
137 |
56 |
34 |
0 |
0 |
| ODI |
0 |
4 |
31 |
121 |
159 |
78 |
18 |
0 |
| CDI |
0 |
0 |
1 |
15 |
262 |
488 |
152 |
0 |
| VCDI |
0 |
0 |
0 |
0 |
12 |
1088 |
6358 |
681 |
|
|
Date: 2025-11-01:
| Best estimate |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
93218 |
5699 |
75 |
42 |
4 |
0 |
0 |
0 |
| OW |
0 |
208 |
54 |
57 |
17 |
0 |
0 |
0 |
| VODI |
0 |
71 |
74 |
101 |
50 |
17 |
0 |
0 |
| ODI |
0 |
8 |
15 |
127 |
182 |
109 |
2 |
0 |
| CDI |
0 |
0 |
1 |
6 |
134 |
517 |
116 |
0 |
| VCDI |
0 |
0 |
0 |
0 |
10 |
1140 |
6284 |
747 |
|
|
Date: 2025-11-03:
| Best estimate |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
93179 |
5622 |
106 |
82 |
9 |
1 |
0 |
0 |
| OW |
0 |
90 |
40 |
54 |
51 |
4 |
0 |
0 |
| VODI |
0 |
55 |
45 |
118 |
101 |
46 |
0 |
0 |
| ODI |
0 |
2 |
8 |
61 |
169 |
140 |
3 |
0 |
| CDI |
0 |
0 |
0 |
5 |
81 |
438 |
153 |
0 |
| VCDI |
0 |
0 |
0 |
0 |
10 |
1051 |
6699 |
662 |
|
|
Date: 2025-11-05:
| Best estimate |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
93667 |
5133 |
77 |
73 |
15 |
0 |
0 |
0 |
| OW |
0 |
129 |
51 |
69 |
37 |
1 |
0 |
0 |
| VODI |
0 |
64 |
49 |
107 |
98 |
25 |
0 |
0 |
| ODI |
0 |
9 |
16 |
58 |
115 |
143 |
0 |
0 |
| CDI |
0 |
0 |
2 |
18 |
79 |
396 |
130 |
0 |
| VCDI |
0 |
0 |
0 |
2 |
26 |
1796 |
6069 |
631 |
|
|
Date: 2025-11-07:
| Best estimate |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
92013 |
6476 |
96 |
97 |
17 |
0 |
0 |
0 |
| OW |
0 |
105 |
41 |
95 |
84 |
4 |
0 |
0 |
| VODI |
0 |
55 |
34 |
124 |
101 |
35 |
2 |
0 |
| ODI |
0 |
1 |
12 |
61 |
163 |
120 |
9 |
0 |
| CDI |
0 |
0 |
0 |
3 |
71 |
437 |
208 |
0 |
| VCDI |
0 |
0 |
0 |
0 |
4 |
1351 |
6639 |
627 |
|
|
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