Validation of sea ice concentration - European sector
Reference date: 2025-05-08
Model: GLO MFC - NEMO
Data source: OSI SAF N.H. sea ice concentration
Model vs. observations, sea ice class contingency tables
Date: 2025-05-02:
| Best estimate |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
69805 |
13450 |
329 |
231 |
1 |
0 |
0 |
0 |
| OW |
17 |
277 |
137 |
325 |
34 |
0 |
0 |
0 |
| VODI |
0 |
309 |
221 |
1092 |
321 |
34 |
4 |
0 |
| ODI |
0 |
65 |
81 |
704 |
1790 |
561 |
84 |
0 |
| CDI |
0 |
0 |
0 |
91 |
963 |
4080 |
1198 |
0 |
| VCDI |
0 |
0 |
0 |
0 |
9 |
1045 |
6771 |
5064 |
|
|
Date: 2025-05-04:
| Best estimate |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
69661 |
13548 |
292 |
298 |
13 |
0 |
0 |
0 |
| OW |
0 |
325 |
126 |
320 |
46 |
0 |
0 |
0 |
| VODI |
0 |
305 |
247 |
1073 |
354 |
17 |
7 |
0 |
| ODI |
0 |
47 |
59 |
752 |
2095 |
759 |
59 |
0 |
| CDI |
0 |
0 |
0 |
101 |
1014 |
4565 |
1143 |
0 |
| VCDI |
0 |
0 |
0 |
0 |
14 |
859 |
5934 |
5060 |
|
|
Date: 2025-05-06:
| Best estimate |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
69648 |
13647 |
308 |
363 |
33 |
0 |
0 |
0 |
| OW |
0 |
317 |
112 |
301 |
37 |
0 |
0 |
0 |
| VODI |
0 |
322 |
247 |
1042 |
429 |
20 |
0 |
0 |
| ODI |
0 |
78 |
60 |
790 |
2468 |
542 |
14 |
0 |
| CDI |
0 |
14 |
15 |
104 |
1176 |
5150 |
929 |
0 |
| VCDI |
0 |
0 |
0 |
0 |
6 |
803 |
4875 |
5243 |
|
|
Date: 2025-05-08:
| Best estimate |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
69542 |
13882 |
338 |
381 |
0 |
0 |
0 |
0 |
| OW |
0 |
302 |
107 |
341 |
47 |
0 |
0 |
0 |
| VODI |
0 |
322 |
233 |
1065 |
607 |
37 |
0 |
0 |
| ODI |
0 |
65 |
60 |
789 |
2639 |
802 |
51 |
0 |
| CDI |
0 |
7 |
3 |
66 |
1398 |
4621 |
1240 |
0 |
| VCDI |
0 |
0 |
0 |
0 |
8 |
1067 |
6320 |
2753 |
|
|
Date: 2025-05-10:
| Best estimate |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
70835 |
12995 |
308 |
284 |
4 |
0 |
0 |
0 |
| OW |
0 |
305 |
113 |
341 |
59 |
0 |
0 |
0 |
| VODI |
0 |
371 |
249 |
1106 |
734 |
34 |
0 |
0 |
| ODI |
0 |
150 |
99 |
886 |
2853 |
1054 |
41 |
0 |
| CDI |
0 |
8 |
10 |
69 |
1353 |
4134 |
1057 |
1 |
| VCDI |
0 |
0 |
0 |
4 |
70 |
756 |
6545 |
2265 |
|
|
Date: 2025-05-12:
| Best estimate |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
71536 |
12543 |
306 |
278 |
1 |
0 |
0 |
0 |
| OW |
0 |
289 |
115 |
438 |
31 |
0 |
0 |
0 |
| VODI |
0 |
377 |
204 |
1478 |
729 |
37 |
0 |
0 |
| ODI |
0 |
90 |
85 |
951 |
3298 |
996 |
12 |
0 |
| CDI |
0 |
3 |
2 |
133 |
1658 |
3469 |
1128 |
0 |
| VCDI |
0 |
0 |
0 |
1 |
2 |
627 |
6533 |
1743 |
|
|
Date: 2025-05-14:
| Best estimate |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
72251 |
12316 |
342 |
291 |
0 |
0 |
0 |
0 |
| OW |
0 |
376 |
133 |
370 |
13 |
0 |
0 |
0 |
| VODI |
0 |
699 |
227 |
1498 |
557 |
38 |
3 |
0 |
| ODI |
0 |
246 |
89 |
848 |
3367 |
879 |
5 |
0 |
| CDI |
0 |
4 |
2 |
100 |
1203 |
3693 |
1112 |
1 |
| VCDI |
0 |
0 |
0 |
0 |
13 |
764 |
6786 |
867 |
|
|
Date: 2025-05-16:
| Best estimate |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
71284 |
13326 |
433 |
591 |
10 |
0 |
0 |
0 |
| OW |
0 |
295 |
83 |
438 |
34 |
0 |
0 |
0 |
| VODI |
0 |
455 |
227 |
1941 |
738 |
22 |
0 |
0 |
| ODI |
0 |
178 |
102 |
956 |
3120 |
854 |
5 |
0 |
| CDI |
0 |
1 |
0 |
120 |
1005 |
3857 |
1068 |
2 |
| VCDI |
0 |
0 |
0 |
0 |
1 |
642 |
6680 |
625 |
|
|
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