Validation of sea ice concentration - European sector
Reference date: 2025-09-04
Model: GLO MFC - NEMO
Data source: OSI SAF N.H. sea ice concentration
Model vs. observations, sea ice class contingency tables
Date: 2025-08-29:
| Best estimate |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
96921 |
4838 |
160 |
135 |
2 |
0 |
0 |
0 |
| OW |
0 |
30 |
53 |
145 |
17 |
0 |
0 |
0 |
| VODI |
0 |
22 |
40 |
218 |
178 |
3 |
13 |
0 |
| ODI |
0 |
0 |
0 |
112 |
2548 |
1140 |
44 |
0 |
| CDI |
0 |
0 |
0 |
2 |
163 |
1576 |
306 |
0 |
| VCDI |
0 |
0 |
0 |
0 |
2 |
207 |
208 |
0 |
|
|
Date: 2025-08-31:
| Best estimate |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
97548 |
4277 |
154 |
136 |
0 |
0 |
0 |
0 |
| OW |
0 |
77 |
49 |
100 |
2 |
0 |
0 |
0 |
| VODI |
0 |
15 |
38 |
301 |
131 |
22 |
5 |
0 |
| ODI |
0 |
0 |
3 |
232 |
2870 |
1057 |
26 |
0 |
| CDI |
0 |
0 |
0 |
5 |
120 |
1088 |
508 |
0 |
| VCDI |
0 |
0 |
0 |
0 |
1 |
122 |
196 |
0 |
|
|
Date: 2025-09-02:
| Best estimate |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
97656 |
4234 |
162 |
179 |
2 |
0 |
0 |
0 |
| OW |
0 |
48 |
38 |
104 |
6 |
0 |
0 |
0 |
| VODI |
0 |
5 |
39 |
368 |
148 |
16 |
14 |
0 |
| ODI |
0 |
0 |
0 |
303 |
1884 |
1539 |
23 |
0 |
| CDI |
0 |
0 |
0 |
0 |
34 |
1022 |
910 |
0 |
| VCDI |
0 |
0 |
0 |
0 |
2 |
57 |
290 |
0 |
|
|
Date: 2025-09-04:
| Best estimate |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
97654 |
4270 |
181 |
161 |
5 |
0 |
0 |
0 |
| OW |
0 |
42 |
40 |
109 |
11 |
0 |
0 |
0 |
| VODI |
0 |
8 |
37 |
398 |
215 |
6 |
0 |
0 |
| ODI |
0 |
0 |
0 |
223 |
1750 |
976 |
13 |
0 |
| CDI |
0 |
0 |
0 |
0 |
89 |
1432 |
1022 |
0 |
| VCDI |
0 |
0 |
0 |
0 |
1 |
60 |
380 |
0 |
|
|
Date: 2025-09-06:
| Best estimate |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
97642 |
4470 |
152 |
132 |
8 |
0 |
0 |
0 |
| OW |
0 |
43 |
29 |
104 |
19 |
0 |
0 |
0 |
| VODI |
0 |
9 |
33 |
400 |
252 |
15 |
0 |
0 |
| ODI |
0 |
0 |
0 |
112 |
1610 |
611 |
13 |
0 |
| CDI |
0 |
0 |
0 |
2 |
186 |
1585 |
1125 |
0 |
| VCDI |
0 |
0 |
0 |
1 |
3 |
61 |
466 |
0 |
|
|
Date: 2025-09-08:
| Best estimate |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
97706 |
4403 |
138 |
127 |
7 |
0 |
0 |
0 |
| OW |
0 |
39 |
30 |
104 |
30 |
0 |
0 |
0 |
| VODI |
0 |
27 |
40 |
395 |
248 |
25 |
6 |
0 |
| ODI |
0 |
0 |
0 |
93 |
1279 |
598 |
21 |
0 |
| CDI |
0 |
0 |
0 |
0 |
211 |
2187 |
704 |
0 |
| VCDI |
0 |
0 |
0 |
0 |
1 |
119 |
545 |
0 |
|
|
Date: 2025-09-10:
| Best estimate |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
97774 |
4273 |
145 |
120 |
12 |
0 |
0 |
0 |
| OW |
0 |
42 |
44 |
144 |
14 |
0 |
0 |
0 |
| VODI |
0 |
18 |
29 |
415 |
218 |
19 |
1 |
0 |
| ODI |
0 |
0 |
0 |
86 |
1045 |
391 |
4 |
0 |
| CDI |
0 |
0 |
0 |
3 |
403 |
2410 |
613 |
0 |
| VCDI |
0 |
0 |
0 |
0 |
0 |
198 |
662 |
0 |
|
|
Date: 2025-09-12:
| Best estimate |
|
|
...observations not yet available
|
|
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