Validation of sea ice concentration - Asian sector
Reference date: 2025-07-17
Model: GLO MFC - NEMO
Data source: OSI SAF N.H. sea ice concentration
Model vs. observations, sea ice class contingency tables
Date: 2025-07-11:
| Best estimate |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
2130 |
5266 |
197 |
297 |
72 |
0 |
0 |
0 |
| OW |
0 |
421 |
144 |
527 |
326 |
8 |
0 |
0 |
| VODI |
0 |
309 |
131 |
537 |
1109 |
213 |
1 |
0 |
| ODI |
0 |
236 |
130 |
466 |
2088 |
1059 |
19 |
0 |
| CDI |
0 |
2 |
2 |
11 |
2075 |
13670 |
517 |
0 |
| VCDI |
0 |
0 |
0 |
0 |
1 |
54 |
63 |
0 |
|
|
Date: 2025-07-13:
| Best estimate |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
2357 |
5437 |
270 |
395 |
49 |
0 |
0 |
0 |
| OW |
0 |
566 |
233 |
729 |
276 |
1 |
0 |
0 |
| VODI |
0 |
232 |
107 |
585 |
1472 |
168 |
0 |
0 |
| ODI |
0 |
185 |
52 |
290 |
2323 |
1032 |
0 |
0 |
| CDI |
0 |
1 |
1 |
8 |
860 |
14366 |
65 |
0 |
| VCDI |
0 |
0 |
0 |
0 |
1 |
20 |
0 |
0 |
|
|
Date: 2025-07-15:
| Best estimate |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
2515 |
5585 |
372 |
542 |
61 |
0 |
0 |
0 |
| OW |
0 |
516 |
279 |
766 |
361 |
2 |
0 |
0 |
| VODI |
0 |
181 |
60 |
527 |
1239 |
268 |
0 |
0 |
| ODI |
0 |
97 |
35 |
253 |
2568 |
1485 |
13 |
0 |
| CDI |
0 |
0 |
0 |
1 |
589 |
13349 |
392 |
0 |
| VCDI |
0 |
0 |
0 |
0 |
0 |
23 |
2 |
0 |
|
|
Date: 2025-07-17:
| Best estimate |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
2541 |
6091 |
452 |
664 |
35 |
0 |
0 |
0 |
| OW |
0 |
645 |
288 |
798 |
340 |
2 |
0 |
0 |
| VODI |
0 |
206 |
91 |
567 |
1375 |
126 |
1 |
0 |
| ODI |
0 |
26 |
27 |
244 |
2825 |
1539 |
16 |
0 |
| CDI |
0 |
0 |
0 |
1 |
593 |
12068 |
507 |
0 |
| VCDI |
0 |
0 |
0 |
0 |
0 |
11 |
2 |
0 |
|
|
Date: 2025-07-19:
| Best estimate |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
2425 |
7048 |
545 |
695 |
83 |
0 |
0 |
0 |
| OW |
0 |
741 |
305 |
909 |
487 |
1 |
0 |
0 |
| VODI |
0 |
86 |
62 |
467 |
1982 |
92 |
0 |
0 |
| ODI |
0 |
2 |
8 |
143 |
3053 |
1673 |
23 |
0 |
| CDI |
0 |
0 |
0 |
0 |
1386 |
8921 |
938 |
0 |
| VCDI |
0 |
0 |
0 |
0 |
0 |
3 |
3 |
0 |
|
|
Date: 2025-07-21:
| Best estimate |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
2469 |
7871 |
603 |
785 |
103 |
0 |
0 |
0 |
| OW |
0 |
687 |
301 |
895 |
539 |
0 |
0 |
0 |
| VODI |
0 |
25 |
41 |
424 |
2338 |
180 |
0 |
0 |
| ODI |
0 |
0 |
0 |
115 |
2563 |
1968 |
0 |
0 |
| CDI |
0 |
0 |
0 |
0 |
823 |
9308 |
10 |
0 |
| VCDI |
0 |
0 |
0 |
0 |
0 |
33 |
0 |
0 |
|
|
Date: 2025-07-23:
| Best estimate |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
2656 |
8622 |
646 |
900 |
120 |
0 |
0 |
0 |
| OW |
0 |
570 |
225 |
848 |
560 |
13 |
0 |
0 |
| VODI |
0 |
4 |
17 |
454 |
2255 |
273 |
0 |
0 |
| ODI |
0 |
0 |
0 |
64 |
3106 |
1472 |
0 |
0 |
| CDI |
0 |
0 |
0 |
0 |
2717 |
6550 |
8 |
0 |
| VCDI |
0 |
0 |
0 |
0 |
0 |
1 |
0 |
0 |
|
|
Date: 2025-07-25:
| Best estimate |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
2996 |
9528 |
624 |
934 |
153 |
0 |
0 |
0 |
| OW |
0 |
459 |
193 |
752 |
536 |
6 |
0 |
0 |
| VODI |
0 |
0 |
17 |
422 |
2488 |
524 |
0 |
0 |
| ODI |
0 |
0 |
0 |
50 |
2441 |
2788 |
0 |
0 |
| CDI |
0 |
0 |
0 |
0 |
672 |
6492 |
0 |
0 |
| VCDI |
0 |
0 |
0 |
0 |
0 |
6 |
0 |
0 |
|
|
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