Validation of sea ice concentration - European sector
Reference date: 2025-03-27
Model: GLO MFC - NEMO
Data source: OSI SAF N.H. sea ice concentration
Model vs. observations, sea ice class contingency tables
Date: 2025-03-21:
| Best estimate |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
66336 |
15876 |
436 |
364 |
3 |
0 |
0 |
0 |
| OW |
0 |
350 |
184 |
628 |
68 |
0 |
0 |
0 |
| VODI |
0 |
180 |
157 |
948 |
492 |
9 |
0 |
0 |
| ODI |
0 |
2 |
32 |
665 |
2033 |
182 |
9 |
0 |
| CDI |
0 |
0 |
0 |
58 |
1323 |
3182 |
633 |
0 |
| VCDI |
0 |
0 |
0 |
3 |
42 |
3246 |
8180 |
3472 |
|
|
Date: 2025-03-23:
| Best estimate |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
66803 |
16023 |
436 |
490 |
56 |
0 |
0 |
0 |
| OW |
0 |
467 |
211 |
600 |
169 |
0 |
0 |
0 |
| VODI |
0 |
130 |
193 |
989 |
546 |
2 |
0 |
0 |
| ODI |
0 |
0 |
14 |
581 |
1316 |
188 |
13 |
0 |
| CDI |
0 |
0 |
0 |
36 |
1019 |
2853 |
915 |
17 |
| VCDI |
0 |
0 |
0 |
0 |
17 |
3141 |
7133 |
4735 |
|
|
Date: 2025-03-25:
| Best estimate |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
67587 |
15486 |
586 |
490 |
50 |
6 |
0 |
0 |
| OW |
0 |
325 |
206 |
466 |
72 |
19 |
0 |
0 |
| VODI |
0 |
99 |
231 |
809 |
302 |
68 |
0 |
0 |
| ODI |
0 |
3 |
22 |
798 |
1322 |
398 |
1 |
0 |
| CDI |
0 |
0 |
0 |
47 |
1088 |
2889 |
316 |
0 |
| VCDI |
0 |
0 |
0 |
0 |
36 |
3852 |
7046 |
4473 |
|
|
Date: 2025-03-27:
| Best estimate |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
68167 |
15141 |
434 |
354 |
2 |
0 |
0 |
0 |
| OW |
11 |
248 |
171 |
429 |
110 |
16 |
0 |
0 |
| VODI |
0 |
131 |
199 |
805 |
242 |
73 |
22 |
0 |
| ODI |
0 |
6 |
33 |
824 |
1369 |
337 |
95 |
0 |
| CDI |
0 |
0 |
0 |
78 |
1084 |
2813 |
373 |
0 |
| VCDI |
0 |
0 |
0 |
0 |
71 |
3154 |
8044 |
4257 |
|
|
Date: 2025-03-29:
| Best estimate |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
68005 |
15040 |
432 |
500 |
1 |
0 |
0 |
0 |
| OW |
0 |
213 |
116 |
475 |
64 |
0 |
0 |
0 |
| VODI |
0 |
110 |
234 |
733 |
398 |
46 |
0 |
0 |
| ODI |
0 |
0 |
16 |
729 |
1523 |
379 |
33 |
0 |
| CDI |
0 |
0 |
0 |
38 |
808 |
3330 |
751 |
0 |
| VCDI |
0 |
0 |
0 |
0 |
12 |
1884 |
8432 |
4791 |
|
|
Date: 2025-03-31:
| Best estimate |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
67821 |
14979 |
471 |
515 |
0 |
0 |
0 |
0 |
| OW |
8 |
144 |
145 |
500 |
52 |
0 |
0 |
0 |
| VODI |
0 |
51 |
125 |
871 |
438 |
34 |
0 |
0 |
| ODI |
0 |
0 |
3 |
358 |
1546 |
427 |
18 |
0 |
| CDI |
0 |
0 |
0 |
4 |
636 |
3000 |
1063 |
0 |
| VCDI |
0 |
0 |
0 |
0 |
46 |
2264 |
8418 |
5156 |
|
|
Date: 2025-04-02:
| Best estimate |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
67178 |
15561 |
460 |
507 |
22 |
0 |
0 |
0 |
| OW |
7 |
283 |
155 |
447 |
75 |
0 |
0 |
0 |
| VODI |
0 |
118 |
187 |
801 |
363 |
14 |
0 |
0 |
| ODI |
0 |
0 |
7 |
520 |
1453 |
285 |
52 |
0 |
| CDI |
0 |
0 |
0 |
17 |
676 |
2766 |
1088 |
0 |
| VCDI |
0 |
0 |
0 |
0 |
7 |
1818 |
7940 |
6286 |
|
|
Date: 2025-04-04:
| Best estimate |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
66655 |
15476 |
515 |
623 |
0 |
0 |
0 |
0 |
| OW |
2 |
233 |
121 |
507 |
72 |
0 |
0 |
0 |
| VODI |
2 |
142 |
174 |
764 |
381 |
3 |
0 |
0 |
| ODI |
0 |
4 |
10 |
464 |
1259 |
178 |
3 |
0 |
| CDI |
0 |
0 |
0 |
82 |
1055 |
3391 |
583 |
0 |
| VCDI |
0 |
0 |
0 |
0 |
48 |
2923 |
7678 |
5745 |
|
|
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