Validation of sea ice concentration - Full domain
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 |
14246 |
627 |
1204 |
42 |
0 |
0 |
0 |
| OW |
0 |
324 |
181 |
821 |
157 |
1 |
0 |
0 |
| VODI |
0 |
651 |
377 |
2263 |
833 |
73 |
5 |
0 |
| ODI |
0 |
637 |
235 |
1871 |
5743 |
1435 |
128 |
0 |
| CDI |
0 |
28 |
26 |
431 |
2540 |
11118 |
3864 |
261 |
| VCDI |
0 |
0 |
0 |
0 |
52 |
3213 |
26877 |
34823 |
|
|
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 |
12864 |
602 |
837 |
41 |
0 |
0 |
0 |
| OW |
0 |
296 |
206 |
714 |
86 |
3 |
0 |
0 |
| VODI |
0 |
711 |
325 |
2374 |
873 |
53 |
5 |
0 |
| ODI |
0 |
550 |
235 |
1778 |
6265 |
1485 |
91 |
0 |
| CDI |
0 |
74 |
47 |
363 |
2557 |
13066 |
3515 |
112 |
| VCDI |
0 |
0 |
0 |
0 |
50 |
3722 |
30270 |
28623 |
|
|
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 |
13201 |
525 |
836 |
76 |
0 |
0 |
0 |
| OW |
0 |
387 |
201 |
608 |
85 |
1 |
0 |
0 |
| VODI |
0 |
684 |
373 |
2215 |
892 |
89 |
0 |
0 |
| ODI |
0 |
577 |
253 |
1800 |
6237 |
1638 |
100 |
0 |
| CDI |
0 |
61 |
29 |
388 |
2802 |
12722 |
4183 |
26 |
| VCDI |
0 |
0 |
0 |
0 |
205 |
4406 |
30771 |
25822 |
|
|
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 |
74981 |
13904 |
627 |
992 |
54 |
0 |
0 |
0 |
| OW |
0 |
410 |
163 |
597 |
161 |
3 |
0 |
0 |
| VODI |
0 |
726 |
354 |
1994 |
964 |
59 |
0 |
0 |
| ODI |
0 |
683 |
319 |
1985 |
6197 |
1604 |
94 |
0 |
| CDI |
0 |
20 |
11 |
424 |
3783 |
12029 |
4449 |
90 |
| VCDI |
0 |
0 |
0 |
3 |
243 |
3500 |
28769 |
26845 |
|
|
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 |
75436 |
14246 |
654 |
940 |
27 |
0 |
0 |
0 |
| OW |
0 |
399 |
201 |
539 |
166 |
5 |
0 |
0 |
| VODI |
0 |
866 |
342 |
1846 |
1241 |
57 |
0 |
0 |
| ODI |
0 |
992 |
357 |
2229 |
5985 |
1681 |
169 |
0 |
| CDI |
0 |
19 |
17 |
389 |
2717 |
10867 |
6419 |
78 |
| VCDI |
0 |
0 |
0 |
0 |
166 |
4623 |
25099 |
28265 |
|
|
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 |
14308 |
871 |
992 |
6 |
0 |
0 |
0 |
| OW |
0 |
386 |
151 |
785 |
96 |
1 |
0 |
0 |
| VODI |
0 |
828 |
327 |
2049 |
1349 |
95 |
1 |
0 |
| ODI |
0 |
911 |
312 |
2366 |
6103 |
1677 |
232 |
1 |
| CDI |
0 |
14 |
14 |
313 |
3288 |
11708 |
5393 |
59 |
| VCDI |
0 |
0 |
0 |
0 |
141 |
3941 |
25325 |
27115 |
|
|
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 |
14487 |
816 |
1274 |
26 |
0 |
0 |
0 |
| OW |
0 |
315 |
148 |
788 |
157 |
2 |
0 |
0 |
| VODI |
0 |
820 |
285 |
2016 |
1332 |
124 |
13 |
0 |
| ODI |
0 |
839 |
320 |
2319 |
6086 |
1728 |
234 |
0 |
| CDI |
0 |
29 |
36 |
370 |
2794 |
13670 |
4125 |
30 |
| VCDI |
0 |
0 |
0 |
3 |
163 |
4008 |
27314 |
23634 |
|
|
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 |
77400 |
15284 |
651 |
1106 |
19 |
0 |
0 |
0 |
| OW |
0 |
334 |
162 |
718 |
146 |
0 |
0 |
0 |
| VODI |
0 |
981 |
379 |
1903 |
1404 |
160 |
9 |
0 |
| ODI |
0 |
719 |
305 |
2231 |
5937 |
1884 |
425 |
0 |
| CDI |
0 |
47 |
41 |
316 |
2764 |
12035 |
5512 |
27 |
| VCDI |
0 |
0 |
0 |
5 |
66 |
2271 |
25612 |
26184 |
|
|
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