Validation of sea ice concentration - Full domain
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 |
16078 |
460 |
388 |
3 |
0 |
0 |
0 |
| OW |
0 |
383 |
191 |
658 |
68 |
0 |
0 |
0 |
| VODI |
0 |
188 |
166 |
1010 |
538 |
11 |
0 |
0 |
| ODI |
0 |
2 |
32 |
688 |
2105 |
271 |
28 |
0 |
| CDI |
0 |
0 |
0 |
95 |
1443 |
3500 |
905 |
19 |
| VCDI |
0 |
0 |
0 |
46 |
103 |
6053 |
30860 |
54413 |
|
|
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 |
16210 |
458 |
505 |
56 |
0 |
0 |
0 |
| OW |
0 |
521 |
219 |
626 |
169 |
0 |
0 |
0 |
| VODI |
0 |
140 |
206 |
1045 |
586 |
5 |
0 |
0 |
| ODI |
0 |
0 |
14 |
597 |
1391 |
243 |
42 |
6 |
| CDI |
0 |
0 |
0 |
84 |
1105 |
3122 |
1094 |
50 |
| VCDI |
0 |
0 |
0 |
15 |
79 |
5004 |
25244 |
61402 |
|
|
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 |
15747 |
603 |
492 |
50 |
6 |
0 |
0 |
| OW |
0 |
411 |
216 |
475 |
72 |
19 |
0 |
0 |
| VODI |
0 |
156 |
261 |
854 |
306 |
69 |
0 |
0 |
| ODI |
0 |
10 |
29 |
910 |
1356 |
415 |
2 |
0 |
| CDI |
0 |
1 |
2 |
113 |
1273 |
3083 |
384 |
15 |
| VCDI |
0 |
0 |
0 |
7 |
134 |
5117 |
20160 |
66706 |
|
|
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 |
15498 |
438 |
355 |
3 |
0 |
0 |
0 |
| OW |
11 |
343 |
176 |
432 |
114 |
16 |
0 |
0 |
| VODI |
0 |
247 |
223 |
834 |
254 |
77 |
22 |
0 |
| ODI |
0 |
105 |
76 |
912 |
1429 |
351 |
95 |
0 |
| CDI |
0 |
15 |
10 |
187 |
1337 |
3076 |
413 |
0 |
| VCDI |
0 |
0 |
0 |
18 |
234 |
5073 |
22331 |
64169 |
|
|
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 |
15465 |
432 |
512 |
1 |
0 |
0 |
0 |
| OW |
0 |
314 |
122 |
485 |
64 |
0 |
0 |
0 |
| VODI |
0 |
249 |
257 |
777 |
405 |
46 |
0 |
0 |
| ODI |
0 |
119 |
59 |
857 |
1589 |
396 |
33 |
0 |
| CDI |
0 |
11 |
17 |
151 |
1156 |
3814 |
792 |
0 |
| VCDI |
0 |
1 |
1 |
21 |
149 |
4449 |
23580 |
62712 |
|
|
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 |
15331 |
480 |
522 |
0 |
0 |
0 |
0 |
| OW |
8 |
239 |
155 |
514 |
52 |
0 |
0 |
0 |
| VODI |
0 |
208 |
146 |
919 |
455 |
37 |
0 |
0 |
| ODI |
0 |
48 |
45 |
545 |
1680 |
455 |
21 |
0 |
| CDI |
0 |
0 |
0 |
33 |
942 |
3814 |
1348 |
9 |
| VCDI |
0 |
0 |
0 |
16 |
144 |
4931 |
28331 |
57792 |
|
|
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 |
15872 |
474 |
523 |
23 |
0 |
0 |
0 |
| OW |
7 |
362 |
159 |
466 |
85 |
4 |
0 |
0 |
| VODI |
0 |
246 |
213 |
864 |
399 |
64 |
1 |
0 |
| ODI |
0 |
16 |
26 |
622 |
1600 |
456 |
65 |
0 |
| CDI |
0 |
0 |
0 |
18 |
779 |
3225 |
1525 |
2 |
| VCDI |
0 |
0 |
0 |
0 |
69 |
3254 |
23889 |
64555 |
|
|
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 |
636 |
0 |
0 |
0 |
0 |
| OW |
2 |
320 |
130 |
524 |
72 |
0 |
0 |
0 |
| VODI |
2 |
287 |
193 |
824 |
400 |
3 |
0 |
0 |
| ODI |
0 |
36 |
36 |
602 |
1431 |
234 |
3 |
0 |
| CDI |
0 |
0 |
4 |
123 |
1303 |
3892 |
823 |
1 |
| VCDI |
0 |
0 |
0 |
0 |
105 |
4100 |
21797 |
66206 |
|
|
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