Validation of sea ice concentration - European sector
Reference date: 2025-05-29
Model: GLO MFC - NEMO
Data source: OSI SAF N.H. sea ice concentration
Model vs. observations, sea ice class contingency tables
Date: 2025-05-23:
| Best estimate |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
71950 |
13518 |
540 |
1098 |
42 |
0 |
0 |
0 |
| OW |
0 |
149 |
120 |
701 |
152 |
0 |
0 |
0 |
| VODI |
0 |
260 |
151 |
1428 |
726 |
32 |
4 |
0 |
| ODI |
0 |
216 |
94 |
630 |
3474 |
871 |
38 |
0 |
| CDI |
0 |
0 |
0 |
82 |
782 |
4259 |
645 |
11 |
| VCDI |
0 |
0 |
0 |
0 |
3 |
470 |
3082 |
3561 |
|
|
Date: 2025-05-25:
| Best estimate |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
74244 |
12083 |
476 |
724 |
41 |
0 |
0 |
0 |
| OW |
0 |
128 |
124 |
593 |
78 |
3 |
0 |
0 |
| VODI |
0 |
234 |
94 |
1518 |
701 |
24 |
5 |
0 |
| ODI |
0 |
226 |
105 |
692 |
3560 |
783 |
34 |
0 |
| CDI |
0 |
1 |
1 |
27 |
792 |
3895 |
906 |
0 |
| VCDI |
0 |
0 |
0 |
0 |
1 |
177 |
4667 |
2152 |
|
|
Date: 2025-05-27:
| Best estimate |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
74844 |
12141 |
381 |
657 |
74 |
0 |
0 |
0 |
| OW |
0 |
177 |
135 |
429 |
59 |
0 |
0 |
0 |
| VODI |
0 |
268 |
157 |
1359 |
646 |
38 |
0 |
0 |
| ODI |
0 |
233 |
110 |
728 |
3371 |
992 |
66 |
0 |
| CDI |
0 |
1 |
1 |
29 |
572 |
3208 |
1427 |
0 |
| VCDI |
0 |
0 |
0 |
0 |
1 |
182 |
4167 |
2636 |
|
|
Date: 2025-05-29:
| Best estimate |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
74980 |
12323 |
417 |
713 |
22 |
0 |
0 |
0 |
| OW |
0 |
167 |
115 |
468 |
51 |
0 |
0 |
0 |
| VODI |
0 |
271 |
169 |
1338 |
627 |
30 |
0 |
0 |
| ODI |
0 |
237 |
131 |
751 |
3362 |
1103 |
47 |
0 |
| CDI |
0 |
0 |
1 |
11 |
548 |
2691 |
1836 |
68 |
| VCDI |
0 |
0 |
0 |
0 |
1 |
60 |
2676 |
3875 |
|
|
Date: 2025-05-31:
| Best estimate |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
75435 |
12300 |
441 |
643 |
10 |
0 |
0 |
0 |
| OW |
0 |
190 |
153 |
432 |
37 |
0 |
0 |
0 |
| VODI |
0 |
299 |
183 |
1237 |
772 |
30 |
0 |
0 |
| ODI |
0 |
346 |
140 |
863 |
3141 |
1071 |
48 |
0 |
| CDI |
0 |
0 |
1 |
6 |
574 |
2645 |
1466 |
0 |
| VCDI |
0 |
0 |
0 |
0 |
0 |
56 |
3948 |
2622 |
|
|
Date: 2025-06-02:
| Best estimate |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
75879 |
12161 |
556 |
575 |
0 |
0 |
0 |
0 |
| OW |
0 |
213 |
107 |
541 |
14 |
0 |
0 |
0 |
| VODI |
0 |
254 |
140 |
1319 |
671 |
50 |
0 |
0 |
| ODI |
0 |
318 |
110 |
966 |
3190 |
988 |
64 |
0 |
| CDI |
0 |
0 |
0 |
4 |
645 |
3023 |
1011 |
8 |
| VCDI |
0 |
0 |
0 |
0 |
0 |
401 |
4884 |
997 |
|
|
Date: 2025-06-04:
| Best estimate |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
76732 |
12128 |
478 |
633 |
18 |
0 |
0 |
0 |
| OW |
0 |
163 |
111 |
426 |
49 |
0 |
0 |
0 |
| VODI |
0 |
274 |
104 |
1125 |
550 |
13 |
0 |
0 |
| ODI |
0 |
247 |
120 |
945 |
3268 |
970 |
74 |
0 |
| CDI |
0 |
0 |
1 |
0 |
507 |
3308 |
1097 |
0 |
| VCDI |
0 |
0 |
0 |
0 |
2 |
658 |
4299 |
789 |
|
|
Date: 2025-06-06:
| Best estimate |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
77395 |
12373 |
395 |
445 |
2 |
0 |
0 |
0 |
| OW |
0 |
188 |
114 |
365 |
30 |
0 |
0 |
0 |
| VODI |
0 |
324 |
155 |
957 |
625 |
29 |
0 |
0 |
| ODI |
0 |
219 |
134 |
967 |
2793 |
991 |
244 |
0 |
| CDI |
0 |
0 |
0 |
2 |
449 |
3009 |
1753 |
0 |
| VCDI |
0 |
0 |
0 |
0 |
1 |
358 |
4263 |
509 |
|
|
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