Validation of sea ice concentration - European sector
Reference date: 2025-05-01
Model: GLO MFC - NEMO
Data source: OSI SAF N.H. sea ice concentration
Model vs. observations, sea ice class contingency tables
Date: 2025-04-25:
| Best estimate |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
67521 |
15402 |
526 |
512 |
0 |
0 |
0 |
0 |
| OW |
0 |
264 |
130 |
498 |
53 |
0 |
0 |
0 |
| VODI |
0 |
261 |
170 |
953 |
452 |
49 |
13 |
0 |
| ODI |
0 |
16 |
44 |
482 |
1463 |
481 |
140 |
0 |
| CDI |
0 |
0 |
0 |
11 |
647 |
2934 |
1182 |
13 |
| VCDI |
0 |
0 |
0 |
0 |
2 |
864 |
7315 |
6695 |
|
|
Date: 2025-04-27:
| Best estimate |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
67695 |
15449 |
424 |
310 |
0 |
0 |
0 |
0 |
| OW |
0 |
290 |
163 |
439 |
88 |
2 |
0 |
0 |
| VODI |
0 |
247 |
167 |
1036 |
385 |
55 |
5 |
0 |
| ODI |
0 |
27 |
37 |
497 |
1589 |
406 |
79 |
0 |
| CDI |
0 |
0 |
0 |
54 |
661 |
3019 |
1534 |
1 |
| VCDI |
0 |
0 |
0 |
0 |
1 |
781 |
7219 |
6433 |
|
|
Date: 2025-04-29:
| Best estimate |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
68235 |
15013 |
350 |
291 |
9 |
0 |
0 |
0 |
| OW |
0 |
297 |
171 |
388 |
86 |
0 |
0 |
0 |
| VODI |
0 |
331 |
193 |
961 |
274 |
20 |
0 |
0 |
| ODI |
0 |
42 |
52 |
659 |
1642 |
320 |
32 |
0 |
| CDI |
0 |
0 |
0 |
60 |
897 |
3738 |
1218 |
1 |
| VCDI |
0 |
0 |
0 |
0 |
13 |
951 |
7228 |
5621 |
|
|
Date: 2025-05-01:
| Best estimate |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
68902 |
14339 |
342 |
243 |
2 |
0 |
0 |
0 |
| OW |
0 |
269 |
179 |
374 |
36 |
0 |
0 |
0 |
| VODI |
0 |
276 |
201 |
1098 |
271 |
21 |
1 |
0 |
| ODI |
0 |
38 |
50 |
677 |
1806 |
445 |
68 |
0 |
| CDI |
0 |
0 |
0 |
75 |
829 |
4034 |
1401 |
1 |
| VCDI |
0 |
0 |
0 |
0 |
18 |
911 |
6472 |
5714 |
|
|
Date: 2025-05-03:
| Best estimate |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
69890 |
13400 |
297 |
260 |
1 |
0 |
0 |
0 |
| OW |
1 |
307 |
137 |
263 |
61 |
0 |
0 |
0 |
| VODI |
0 |
370 |
269 |
1005 |
315 |
19 |
3 |
0 |
| ODI |
0 |
68 |
61 |
835 |
1839 |
666 |
68 |
0 |
| CDI |
0 |
0 |
0 |
88 |
1099 |
3928 |
1441 |
0 |
| VCDI |
0 |
0 |
0 |
0 |
19 |
868 |
6371 |
5144 |
|
|
Date: 2025-05-05:
| Best estimate |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
69606 |
13618 |
326 |
330 |
34 |
0 |
0 |
0 |
| OW |
0 |
302 |
143 |
314 |
34 |
0 |
0 |
0 |
| VODI |
0 |
292 |
235 |
1114 |
438 |
9 |
1 |
0 |
| ODI |
0 |
37 |
51 |
698 |
2296 |
570 |
31 |
0 |
| CDI |
0 |
6 |
10 |
128 |
907 |
4932 |
1158 |
2 |
| VCDI |
0 |
0 |
0 |
0 |
1 |
751 |
6179 |
4540 |
|
|
Date: 2025-05-07:
| Best estimate |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
69470 |
13871 |
331 |
431 |
2 |
0 |
0 |
0 |
| OW |
0 |
287 |
141 |
324 |
32 |
0 |
0 |
0 |
| VODI |
0 |
293 |
239 |
1104 |
461 |
15 |
0 |
0 |
| ODI |
0 |
72 |
66 |
784 |
2658 |
542 |
45 |
0 |
| CDI |
0 |
10 |
6 |
81 |
1451 |
5016 |
827 |
0 |
| VCDI |
0 |
0 |
0 |
0 |
6 |
1306 |
6239 |
2983 |
|
|
Date: 2025-05-09:
| Best estimate |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
70529 |
13121 |
284 |
307 |
0 |
0 |
0 |
0 |
| OW |
0 |
319 |
103 |
364 |
41 |
0 |
0 |
0 |
| VODI |
0 |
383 |
255 |
1039 |
610 |
23 |
0 |
0 |
| ODI |
0 |
125 |
86 |
883 |
2930 |
795 |
30 |
0 |
| CDI |
0 |
12 |
8 |
55 |
1416 |
4256 |
1288 |
0 |
| VCDI |
0 |
0 |
0 |
0 |
71 |
682 |
6346 |
2732 |
|
|
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