Validation of sea ice concentration - Full domain
Reference date: 2025-04-10
Model: GLO MFC - NEMO
Data source: OSI SAF N.H. sea ice concentration
Model vs. observations, sea ice class contingency tables
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 |
15764 |
533 |
633 |
0 |
0 |
0 |
0 |
| OW |
2 |
319 |
132 |
530 |
72 |
0 |
0 |
0 |
| VODI |
2 |
287 |
191 |
825 |
397 |
3 |
0 |
0 |
| ODI |
0 |
37 |
36 |
599 |
1446 |
237 |
3 |
0 |
| CDI |
0 |
0 |
4 |
122 |
1290 |
3890 |
824 |
1 |
| VCDI |
0 |
0 |
0 |
0 |
106 |
4099 |
21796 |
66206 |
|
|
Date: 2025-04-06:
| Best estimate |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
66242 |
15839 |
530 |
563 |
30 |
0 |
0 |
0 |
| OW |
0 |
355 |
163 |
484 |
107 |
0 |
0 |
0 |
| VODI |
0 |
240 |
177 |
984 |
418 |
20 |
0 |
0 |
| ODI |
0 |
31 |
38 |
559 |
1777 |
405 |
26 |
0 |
| CDI |
0 |
0 |
0 |
56 |
906 |
4259 |
1620 |
10 |
| VCDI |
0 |
0 |
0 |
0 |
79 |
2470 |
21365 |
67288 |
|
|
Date: 2025-04-08:
| Best estimate |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
66427 |
15641 |
466 |
583 |
15 |
0 |
0 |
0 |
| OW |
0 |
409 |
169 |
542 |
133 |
0 |
0 |
0 |
| VODI |
0 |
197 |
186 |
1076 |
549 |
25 |
1 |
0 |
| ODI |
0 |
12 |
8 |
475 |
1809 |
452 |
16 |
0 |
| CDI |
0 |
0 |
0 |
35 |
1243 |
3830 |
1087 |
15 |
| VCDI |
0 |
0 |
0 |
2 |
150 |
3759 |
21846 |
65883 |
|
|
Date: 2025-04-10:
| Best estimate |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
66510 |
15845 |
453 |
360 |
2 |
0 |
0 |
0 |
| OW |
0 |
454 |
187 |
546 |
63 |
0 |
0 |
0 |
| VODI |
0 |
274 |
210 |
1095 |
301 |
11 |
0 |
0 |
| ODI |
0 |
29 |
49 |
740 |
1719 |
176 |
9 |
0 |
| CDI |
0 |
0 |
0 |
212 |
1997 |
4155 |
746 |
2 |
| VCDI |
0 |
0 |
0 |
16 |
242 |
3711 |
23800 |
63127 |
|
|
Date: 2025-04-12:
| Best estimate |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
65815 |
16345 |
498 |
425 |
0 |
0 |
0 |
0 |
| OW |
0 |
350 |
172 |
538 |
112 |
0 |
0 |
0 |
| VODI |
0 |
246 |
226 |
1076 |
382 |
39 |
0 |
0 |
| ODI |
0 |
43 |
45 |
835 |
2056 |
442 |
26 |
0 |
| CDI |
0 |
3 |
10 |
173 |
1551 |
4824 |
1559 |
1 |
| VCDI |
0 |
1 |
7 |
87 |
139 |
3241 |
26326 |
59448 |
|
|
Date: 2025-04-14:
| Best estimate |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
65812 |
16652 |
510 |
396 |
1 |
0 |
0 |
0 |
| OW |
0 |
302 |
170 |
508 |
50 |
0 |
0 |
0 |
| VODI |
0 |
242 |
222 |
1282 |
530 |
18 |
0 |
0 |
| ODI |
0 |
22 |
27 |
647 |
2408 |
599 |
44 |
0 |
| CDI |
0 |
0 |
0 |
121 |
1228 |
4798 |
2119 |
9 |
| VCDI |
0 |
0 |
0 |
44 |
111 |
2506 |
27509 |
58154 |
|
|
Date: 2025-04-16:
| Best estimate |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
66945 |
15863 |
469 |
386 |
27 |
0 |
0 |
0 |
| OW |
0 |
335 |
147 |
504 |
57 |
0 |
0 |
0 |
| VODI |
0 |
299 |
255 |
1153 |
522 |
12 |
0 |
0 |
| ODI |
0 |
7 |
19 |
637 |
2095 |
760 |
45 |
0 |
| CDI |
0 |
0 |
0 |
56 |
968 |
4784 |
2071 |
6 |
| VCDI |
0 |
0 |
0 |
5 |
148 |
2763 |
27222 |
58481 |
|
|
Date: 2025-04-18:
| Best estimate |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
67085 |
15819 |
459 |
446 |
21 |
0 |
0 |
0 |
| OW |
0 |
347 |
117 |
487 |
68 |
0 |
0 |
0 |
| VODI |
0 |
420 |
252 |
952 |
613 |
37 |
0 |
0 |
| ODI |
0 |
8 |
43 |
679 |
1806 |
701 |
34 |
0 |
| CDI |
0 |
0 |
0 |
63 |
1193 |
4309 |
1738 |
7 |
| VCDI |
0 |
0 |
0 |
0 |
246 |
2730 |
31061 |
55300 |
|
|
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