Validation of sea ice concentration - Asian sector
Reference date: 2025-08-28
Model: GLO MFC - NEMO
Data source: OSI SAF N.H. sea ice concentration
Model vs. observations, sea ice class contingency tables
Date: 2025-08-22:
| Best estimate |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
10832 |
5659 |
303 |
302 |
30 |
5 |
0 |
0 |
| OW |
0 |
634 |
152 |
465 |
83 |
16 |
0 |
0 |
| VODI |
0 |
27 |
68 |
849 |
865 |
47 |
0 |
0 |
| ODI |
0 |
0 |
0 |
232 |
5161 |
2823 |
1 |
0 |
| CDI |
0 |
0 |
0 |
0 |
852 |
2436 |
72 |
0 |
| VCDI |
0 |
0 |
0 |
0 |
13 |
153 |
0 |
0 |
|
|
Date: 2025-08-24:
| Best estimate |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
10955 |
5735 |
309 |
251 |
25 |
0 |
0 |
0 |
| OW |
0 |
607 |
179 |
457 |
78 |
0 |
0 |
0 |
| VODI |
0 |
21 |
66 |
944 |
840 |
20 |
0 |
0 |
| ODI |
0 |
0 |
0 |
340 |
5842 |
2643 |
0 |
0 |
| CDI |
0 |
0 |
0 |
0 |
610 |
2058 |
44 |
0 |
| VCDI |
0 |
0 |
0 |
0 |
5 |
51 |
0 |
0 |
|
|
Date: 2025-08-26:
| Best estimate |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
11137 |
5752 |
302 |
274 |
18 |
0 |
0 |
0 |
| OW |
0 |
520 |
168 |
437 |
90 |
4 |
0 |
0 |
| VODI |
0 |
20 |
66 |
969 |
733 |
57 |
0 |
0 |
| ODI |
0 |
0 |
1 |
318 |
5157 |
3540 |
24 |
0 |
| CDI |
0 |
0 |
0 |
3 |
285 |
2118 |
66 |
0 |
| VCDI |
0 |
0 |
0 |
0 |
1 |
20 |
0 |
0 |
|
|
Date: 2025-08-28:
| Best estimate |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
11295 |
5842 |
284 |
230 |
18 |
0 |
0 |
0 |
| OW |
0 |
534 |
182 |
387 |
99 |
9 |
0 |
0 |
| VODI |
0 |
50 |
97 |
963 |
634 |
33 |
0 |
0 |
| ODI |
0 |
2 |
7 |
511 |
5669 |
3435 |
21 |
0 |
| CDI |
0 |
0 |
0 |
2 |
256 |
1492 |
21 |
0 |
| VCDI |
0 |
0 |
0 |
0 |
0 |
6 |
1 |
0 |
|
|
Date: 2025-08-30:
| Best estimate |
|
|
...observations not yet available
|
|
Date: 2025-09-01:
| Best estimate |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
-17452 |
0 |
0 |
0 |
0 |
0 |
0 |
0 |
| OW |
0 |
0 |
-1395 |
0 |
0 |
0 |
0 |
0 |
| VODI |
0 |
0 |
0 |
-2549 |
0 |
0 |
0 |
0 |
| ODI |
0 |
0 |
0 |
0 |
-10355 |
0 |
0 |
0 |
| CDI |
0 |
0 |
0 |
0 |
0 |
-329 |
0 |
0 |
| VCDI |
0 |
0 |
0 |
0 |
0 |
0 |
0 |
0 |
|
|
Date: 2025-09-03:
| Best estimate |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
-17435 |
0 |
0 |
0 |
0 |
0 |
0 |
0 |
| OW |
0 |
0 |
-1436 |
0 |
0 |
0 |
0 |
0 |
| VODI |
0 |
0 |
0 |
-2931 |
0 |
0 |
0 |
0 |
| ODI |
0 |
0 |
0 |
0 |
-10056 |
0 |
0 |
0 |
| CDI |
0 |
0 |
0 |
0 |
0 |
-222 |
0 |
0 |
| VCDI |
0 |
0 |
0 |
0 |
0 |
0 |
0 |
0 |
|
|
Date: 2025-09-05:
| Best estimate |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
-17460 |
0 |
0 |
0 |
0 |
0 |
0 |
0 |
| OW |
0 |
0 |
-1475 |
0 |
0 |
0 |
0 |
0 |
| VODI |
0 |
0 |
0 |
-3273 |
0 |
0 |
0 |
0 |
| ODI |
0 |
0 |
0 |
0 |
-9723 |
0 |
0 |
0 |
| CDI |
0 |
0 |
0 |
0 |
0 |
-149 |
0 |
0 |
| VCDI |
0 |
0 |
0 |
0 |
0 |
0 |
0 |
0 |
|
|
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