Validation of sea ice concentration - Full domain
Reference date: 2025-04-17
Model: GLO MFC - NEMO
Data source: OSI SAF N.H. sea ice concentration
Model vs. observations, sea ice class contingency tables
Date: 2025-04-11:
| Best estimate |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
66257 |
16035 |
451 |
377 |
0 |
0 |
0 |
0 |
| OW |
0 |
400 |
196 |
515 |
65 |
1 |
0 |
0 |
| VODI |
0 |
302 |
222 |
1068 |
329 |
24 |
0 |
0 |
| ODI |
0 |
51 |
59 |
878 |
1699 |
210 |
11 |
0 |
| CDI |
0 |
0 |
0 |
178 |
2132 |
4553 |
782 |
1 |
| VCDI |
0 |
0 |
0 |
66 |
214 |
4118 |
25491 |
60356 |
|
|
Date: 2025-04-13:
| Best estimate |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
65716 |
16460 |
534 |
448 |
11 |
0 |
0 |
0 |
| OW |
0 |
309 |
146 |
560 |
67 |
0 |
0 |
0 |
| VODI |
0 |
254 |
215 |
1263 |
407 |
22 |
0 |
0 |
| ODI |
0 |
26 |
34 |
709 |
2334 |
607 |
47 |
0 |
| CDI |
0 |
0 |
0 |
180 |
1243 |
4697 |
2149 |
3 |
| VCDI |
0 |
0 |
0 |
50 |
72 |
2351 |
26822 |
59305 |
|
|
Date: 2025-04-15:
| Best estimate |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
66428 |
16249 |
411 |
383 |
37 |
0 |
0 |
0 |
| OW |
0 |
335 |
162 |
500 |
65 |
0 |
0 |
0 |
| VODI |
0 |
241 |
236 |
1228 |
563 |
15 |
0 |
0 |
| ODI |
0 |
6 |
25 |
682 |
2303 |
699 |
47 |
0 |
| CDI |
0 |
0 |
0 |
79 |
1036 |
4822 |
2115 |
5 |
| VCDI |
0 |
0 |
0 |
23 |
231 |
2890 |
25770 |
59455 |
|
|
Date: 2025-04-17:
| Best estimate |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
67159 |
15791 |
429 |
384 |
26 |
0 |
0 |
0 |
| OW |
0 |
397 |
132 |
470 |
99 |
0 |
0 |
0 |
| VODI |
0 |
338 |
287 |
959 |
566 |
47 |
0 |
0 |
| ODI |
0 |
2 |
22 |
638 |
1885 |
718 |
24 |
0 |
| CDI |
0 |
1 |
1 |
43 |
1130 |
4679 |
1839 |
11 |
| VCDI |
0 |
0 |
0 |
0 |
142 |
2980 |
28645 |
57197 |
|
|
Date: 2025-04-19:
| Best estimate |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
66288 |
16319 |
538 |
543 |
28 |
0 |
0 |
0 |
| OW |
0 |
347 |
141 |
593 |
57 |
0 |
0 |
0 |
| VODI |
0 |
411 |
183 |
986 |
670 |
40 |
0 |
0 |
| ODI |
0 |
22 |
76 |
637 |
1779 |
698 |
32 |
0 |
| CDI |
0 |
0 |
0 |
70 |
1186 |
4045 |
1677 |
6 |
| VCDI |
0 |
0 |
0 |
6 |
277 |
2821 |
31090 |
55475 |
|
|
Date: 2025-04-21:
| Best estimate |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
66524 |
16300 |
556 |
602 |
28 |
0 |
0 |
0 |
| OW |
0 |
269 |
150 |
652 |
80 |
0 |
0 |
0 |
| VODI |
0 |
269 |
146 |
910 |
714 |
20 |
0 |
0 |
| ODI |
0 |
23 |
63 |
620 |
1764 |
636 |
48 |
0 |
| CDI |
0 |
0 |
0 |
39 |
997 |
4366 |
1699 |
71 |
| VCDI |
0 |
0 |
0 |
6 |
107 |
2617 |
29141 |
57624 |
|
|
Date: 2025-04-23:
| Best estimate |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
66450 |
16254 |
627 |
915 |
26 |
0 |
0 |
0 |
| OW |
0 |
219 |
156 |
560 |
88 |
2 |
0 |
0 |
| VODI |
0 |
227 |
164 |
816 |
681 |
73 |
24 |
0 |
| ODI |
0 |
15 |
40 |
601 |
1678 |
982 |
210 |
0 |
| CDI |
0 |
0 |
0 |
46 |
838 |
3759 |
2691 |
74 |
| VCDI |
0 |
0 |
0 |
0 |
239 |
1832 |
28721 |
58033 |
|
|
Date: 2025-04-25:
| Best estimate |
|
|
...observations not yet available
|
|
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