Validation of sea ice concentration - Full domain
Reference date: 2025-07-10
Model: GLO MFC - NEMO
Data source: OSI SAF N.H. sea ice concentration
Model vs. observations, sea ice class contingency tables
Date: 2025-07-04:
| Best estimate |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
88854 |
22585 |
948 |
847 |
87 |
3 |
0 |
0 |
| OW |
0 |
1859 |
385 |
1322 |
560 |
26 |
0 |
0 |
| VODI |
0 |
608 |
251 |
1319 |
2486 |
748 |
27 |
0 |
| ODI |
0 |
527 |
244 |
1116 |
4465 |
3692 |
305 |
0 |
| CDI |
0 |
15 |
37 |
238 |
9079 |
23092 |
4296 |
0 |
| VCDI |
0 |
0 |
0 |
0 |
77 |
4511 |
12408 |
1 |
|
|
Date: 2025-07-06:
| Best estimate |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
89365 |
23824 |
931 |
1080 |
137 |
3 |
0 |
0 |
| OW |
5 |
1282 |
308 |
1062 |
508 |
12 |
0 |
0 |
| VODI |
0 |
638 |
301 |
1618 |
3068 |
488 |
31 |
0 |
| ODI |
0 |
419 |
206 |
1162 |
5385 |
3123 |
375 |
0 |
| CDI |
0 |
18 |
19 |
171 |
7849 |
25841 |
4355 |
51 |
| VCDI |
0 |
0 |
0 |
0 |
21 |
3336 |
9891 |
135 |
|
|
Date: 2025-07-08:
| Best estimate |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
90845 |
23927 |
778 |
914 |
232 |
4 |
0 |
0 |
| OW |
0 |
1310 |
380 |
998 |
391 |
20 |
0 |
0 |
| VODI |
0 |
568 |
389 |
2009 |
3278 |
372 |
65 |
0 |
| ODI |
0 |
333 |
200 |
1019 |
6618 |
3269 |
212 |
0 |
| CDI |
0 |
19 |
24 |
114 |
5824 |
28882 |
2914 |
0 |
| VCDI |
0 |
0 |
0 |
0 |
18 |
5395 |
5697 |
0 |
|
|
Date: 2025-07-10:
| Best estimate |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
93784 |
22129 |
777 |
1034 |
138 |
2 |
0 |
0 |
| OW |
2 |
1181 |
386 |
1246 |
493 |
25 |
2 |
0 |
| VODI |
0 |
583 |
326 |
1884 |
3483 |
932 |
41 |
0 |
| ODI |
0 |
378 |
159 |
821 |
5777 |
4096 |
121 |
0 |
| CDI |
0 |
21 |
21 |
88 |
12282 |
27823 |
2867 |
0 |
| VCDI |
0 |
0 |
0 |
0 |
143 |
1085 |
2886 |
2 |
|
|
Date: 2025-07-12:
| Best estimate |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
94982 |
21841 |
955 |
1371 |
184 |
5 |
0 |
0 |
| OW |
0 |
1147 |
449 |
1631 |
597 |
16 |
6 |
0 |
| VODI |
0 |
469 |
239 |
1734 |
3890 |
940 |
195 |
0 |
| ODI |
0 |
275 |
144 |
660 |
5416 |
4455 |
581 |
0 |
| CDI |
0 |
8 |
2 |
40 |
3829 |
35095 |
4552 |
0 |
| VCDI |
0 |
0 |
0 |
0 |
6 |
576 |
728 |
0 |
|
|
Date: 2025-07-14:
| Best estimate |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
96223 |
21717 |
1063 |
1639 |
225 |
0 |
0 |
0 |
| OW |
0 |
1229 |
562 |
1762 |
648 |
16 |
0 |
0 |
| VODI |
0 |
282 |
162 |
1682 |
4150 |
772 |
44 |
0 |
| ODI |
0 |
214 |
92 |
471 |
6565 |
4834 |
111 |
0 |
| CDI |
0 |
2 |
0 |
30 |
4935 |
33504 |
3299 |
0 |
| VCDI |
0 |
0 |
0 |
0 |
4 |
264 |
517 |
0 |
|
|
Date: 2025-07-16:
| Best estimate |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
97664 |
21101 |
1165 |
1827 |
165 |
0 |
0 |
0 |
| OW |
0 |
1235 |
611 |
1974 |
663 |
10 |
0 |
0 |
| VODI |
0 |
268 |
158 |
1897 |
4634 |
307 |
3 |
0 |
| ODI |
0 |
106 |
83 |
472 |
9117 |
4296 |
36 |
0 |
| CDI |
0 |
0 |
4 |
38 |
4213 |
30709 |
3073 |
0 |
| VCDI |
0 |
0 |
0 |
0 |
7 |
461 |
721 |
0 |
|
|
Date: 2025-07-18:
| Best estimate |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
98364 |
21756 |
1339 |
1754 |
142 |
0 |
0 |
0 |
| OW |
2 |
1485 |
603 |
2128 |
761 |
8 |
0 |
0 |
| VODI |
0 |
170 |
124 |
1792 |
5455 |
423 |
5 |
0 |
| ODI |
0 |
42 |
44 |
305 |
7948 |
4855 |
101 |
0 |
| CDI |
0 |
0 |
0 |
10 |
3931 |
28882 |
3767 |
0 |
| VCDI |
0 |
0 |
0 |
0 |
0 |
252 |
570 |
0 |
|
|
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