Validation of sea ice concentration - European sector
Reference date: 2025-09-11
Model: GLO MFC - NEMO
Data source: OSI SAF N.H. sea ice concentration
Model vs. observations, sea ice class contingency tables
Date: 2025-09-05:
| Best estimate |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
97579 |
4465 |
166 |
128 |
6 |
0 |
0 |
0 |
| OW |
0 |
48 |
52 |
90 |
18 |
0 |
0 |
0 |
| VODI |
0 |
6 |
40 |
397 |
239 |
5 |
0 |
0 |
| ODI |
0 |
0 |
0 |
154 |
1675 |
769 |
9 |
0 |
| CDI |
0 |
0 |
0 |
4 |
128 |
1640 |
989 |
0 |
| VCDI |
0 |
0 |
0 |
0 |
3 |
103 |
370 |
0 |
|
|
Date: 2025-09-07:
| Best estimate |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
97655 |
4494 |
144 |
123 |
6 |
0 |
0 |
0 |
| OW |
0 |
41 |
30 |
96 |
14 |
0 |
0 |
0 |
| VODI |
0 |
20 |
47 |
405 |
245 |
16 |
1 |
0 |
| ODI |
0 |
0 |
0 |
95 |
1538 |
516 |
11 |
0 |
| CDI |
0 |
0 |
0 |
0 |
317 |
1716 |
991 |
0 |
| VCDI |
0 |
0 |
0 |
0 |
3 |
66 |
493 |
0 |
|
|
Date: 2025-09-09:
| Best estimate |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
97676 |
4411 |
143 |
106 |
9 |
0 |
0 |
0 |
| OW |
0 |
33 |
41 |
112 |
33 |
0 |
0 |
0 |
| VODI |
0 |
15 |
26 |
365 |
281 |
21 |
0 |
0 |
| ODI |
0 |
0 |
0 |
83 |
1043 |
681 |
14 |
0 |
| CDI |
0 |
0 |
0 |
0 |
302 |
2198 |
714 |
0 |
| VCDI |
0 |
0 |
0 |
0 |
1 |
117 |
658 |
0 |
|
|
Date: 2025-09-11:
| Best estimate |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
97781 |
4197 |
148 |
143 |
4 |
0 |
0 |
0 |
| OW |
0 |
38 |
30 |
157 |
33 |
0 |
0 |
0 |
| VODI |
0 |
15 |
30 |
392 |
203 |
25 |
1 |
0 |
| ODI |
0 |
0 |
0 |
94 |
768 |
268 |
5 |
0 |
| CDI |
0 |
0 |
0 |
0 |
362 |
2383 |
765 |
0 |
| VCDI |
0 |
0 |
0 |
0 |
0 |
266 |
975 |
0 |
|
|
Date: 2025-09-13:
| Best estimate |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
97369 |
4440 |
144 |
152 |
0 |
0 |
0 |
0 |
| OW |
0 |
30 |
31 |
178 |
25 |
0 |
0 |
0 |
| VODI |
0 |
4 |
13 |
250 |
266 |
18 |
1 |
0 |
| ODI |
0 |
0 |
0 |
64 |
403 |
215 |
15 |
0 |
| CDI |
0 |
0 |
0 |
1 |
238 |
2913 |
651 |
0 |
| VCDI |
0 |
0 |
0 |
0 |
0 |
189 |
1473 |
0 |
|
|
Date: 2025-09-15:
| Best estimate |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
98463 |
3258 |
129 |
132 |
3 |
0 |
0 |
0 |
| OW |
0 |
20 |
37 |
159 |
34 |
0 |
0 |
0 |
| VODI |
0 |
1 |
11 |
158 |
247 |
18 |
0 |
0 |
| ODI |
0 |
0 |
0 |
46 |
345 |
188 |
8 |
0 |
| CDI |
0 |
0 |
0 |
1 |
146 |
3071 |
491 |
0 |
| VCDI |
0 |
0 |
0 |
0 |
3 |
390 |
1720 |
4 |
|
|
Date: 2025-09-17:
| Best estimate |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
96799 |
4773 |
132 |
129 |
4 |
0 |
0 |
0 |
| OW |
0 |
14 |
26 |
136 |
70 |
0 |
0 |
0 |
| VODI |
0 |
0 |
4 |
76 |
249 |
24 |
3 |
0 |
| ODI |
0 |
0 |
0 |
34 |
223 |
148 |
20 |
0 |
| CDI |
0 |
0 |
0 |
0 |
72 |
2040 |
350 |
1 |
| VCDI |
0 |
0 |
0 |
0 |
1 |
1038 |
2419 |
298 |
|
|
Date: 2025-09-19:
| Best estimate |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
94052 |
7205 |
161 |
131 |
3 |
0 |
0 |
0 |
| OW |
0 |
12 |
17 |
139 |
84 |
0 |
0 |
0 |
| VODI |
0 |
1 |
6 |
51 |
252 |
43 |
0 |
0 |
| ODI |
0 |
0 |
0 |
9 |
199 |
154 |
12 |
0 |
| CDI |
0 |
0 |
0 |
1 |
77 |
776 |
269 |
0 |
| VCDI |
0 |
0 |
0 |
0 |
0 |
2200 |
2869 |
360 |
|
|
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