Validation of sea ice concentration - Asian sector
Reference date: 2025-07-24
Model: GLO MFC - NEMO
Data source: OSI SAF N.H. sea ice concentration
Model vs. observations, sea ice class contingency tables
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 |
2489 |
6526 |
505 |
698 |
55 |
0 |
0 |
0 |
| OW |
0 |
711 |
304 |
859 |
423 |
1 |
0 |
0 |
| VODI |
0 |
122 |
69 |
581 |
1617 |
92 |
0 |
0 |
| ODI |
0 |
8 |
16 |
211 |
3095 |
1480 |
44 |
0 |
| CDI |
0 |
0 |
0 |
0 |
1634 |
9595 |
943 |
0 |
| VCDI |
0 |
0 |
0 |
0 |
0 |
2 |
1 |
0 |
|
|
Date: 2025-07-20:
| Best estimate |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
2411 |
7564 |
566 |
715 |
83 |
2 |
0 |
0 |
| OW |
0 |
749 |
307 |
883 |
549 |
0 |
0 |
0 |
| VODI |
0 |
66 |
57 |
419 |
2249 |
121 |
0 |
0 |
| ODI |
0 |
0 |
0 |
129 |
2821 |
1693 |
12 |
0 |
| CDI |
0 |
0 |
0 |
0 |
1407 |
8993 |
262 |
0 |
| VCDI |
0 |
0 |
0 |
0 |
0 |
22 |
1 |
0 |
|
|
Date: 2025-07-22:
| Best estimate |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
2623 |
8106 |
651 |
848 |
101 |
0 |
0 |
0 |
| OW |
0 |
664 |
270 |
975 |
439 |
0 |
0 |
0 |
| VODI |
0 |
14 |
24 |
624 |
2280 |
38 |
0 |
0 |
| ODI |
0 |
0 |
0 |
71 |
3231 |
1415 |
0 |
0 |
| CDI |
0 |
0 |
0 |
0 |
1307 |
8282 |
100 |
0 |
| VCDI |
0 |
0 |
0 |
0 |
0 |
18 |
0 |
0 |
|
|
Date: 2025-07-24:
| Best estimate |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
2927 |
9030 |
602 |
875 |
150 |
0 |
0 |
0 |
| OW |
0 |
517 |
192 |
841 |
558 |
21 |
0 |
0 |
| VODI |
0 |
6 |
16 |
378 |
2468 |
344 |
0 |
0 |
| ODI |
0 |
0 |
0 |
40 |
2692 |
2154 |
0 |
0 |
| CDI |
0 |
0 |
0 |
0 |
1467 |
6799 |
1 |
0 |
| VCDI |
0 |
0 |
0 |
0 |
0 |
3 |
0 |
0 |
|
|
Date: 2025-07-26:
| Best estimate |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
3581 |
9584 |
634 |
925 |
123 |
0 |
0 |
0 |
| OW |
0 |
395 |
165 |
638 |
500 |
6 |
0 |
0 |
| VODI |
0 |
4 |
17 |
492 |
2674 |
409 |
0 |
0 |
| ODI |
0 |
0 |
1 |
43 |
2660 |
3048 |
0 |
0 |
| CDI |
0 |
0 |
0 |
0 |
634 |
5548 |
0 |
0 |
| VCDI |
0 |
0 |
0 |
0 |
0 |
0 |
0 |
0 |
|
|
Date: 2025-07-28:
| Best estimate |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
3633 |
10132 |
650 |
842 |
76 |
0 |
0 |
0 |
| OW |
0 |
294 |
133 |
602 |
386 |
5 |
0 |
0 |
| VODI |
0 |
2 |
11 |
564 |
2320 |
494 |
0 |
0 |
| ODI |
0 |
0 |
0 |
24 |
3156 |
4667 |
0 |
0 |
| CDI |
0 |
0 |
0 |
1 |
254 |
3833 |
0 |
0 |
| VCDI |
0 |
0 |
0 |
0 |
1 |
1 |
0 |
0 |
|
|
Date: 2025-07-30:
| Best estimate |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
4630 |
9573 |
537 |
687 |
101 |
4 |
0 |
0 |
| OW |
0 |
263 |
134 |
514 |
258 |
17 |
0 |
0 |
| VODI |
0 |
10 |
41 |
692 |
1366 |
619 |
0 |
0 |
| ODI |
0 |
0 |
0 |
59 |
3060 |
7255 |
11 |
0 |
| CDI |
0 |
0 |
0 |
0 |
94 |
2122 |
31 |
0 |
| VCDI |
0 |
0 |
0 |
0 |
2 |
1 |
0 |
0 |
|
|
Date: 2025-08-01:
| Best estimate |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
-15642 |
0 |
0 |
0 |
0 |
0 |
0 |
0 |
| OW |
0 |
0 |
-1354 |
0 |
0 |
0 |
0 |
0 |
| VODI |
0 |
0 |
0 |
-5198 |
0 |
0 |
0 |
0 |
| ODI |
0 |
0 |
0 |
0 |
-9236 |
0 |
0 |
0 |
| CDI |
0 |
0 |
0 |
0 |
0 |
-651 |
0 |
0 |
| VCDI |
0 |
0 |
0 |
0 |
0 |
0 |
0 |
0 |
|
|
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