Validation of sea ice concentration - Asian sector
Bulletin date: 2025-10-21
Data source: OSI SAF N.H. sea ice concentration
Model vs. observations, sea ice class contingency tables
Date: 2025-10-21:
| Forecast |
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
8039 |
3662 |
49 |
429 |
312 |
102 |
0 |
0 |
| OW |
7 |
216 |
3 |
53 |
55 |
14 |
0 |
0 |
| VODI |
9 |
320 |
32 |
182 |
99 |
27 |
4 |
0 |
| ODI |
7 |
481 |
45 |
541 |
289 |
138 |
42 |
0 |
| CDI |
0 |
468 |
32 |
625 |
502 |
562 |
306 |
1 |
| VCDI |
0 |
39 |
0 |
226 |
425 |
4918 |
7839 |
1146 |
|
Date: 2025-10-23:
| Forecast |
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
0 |
39 |
0 |
226 |
425 |
4918 |
7839 |
1146 |
| OW |
0 |
39 |
0 |
226 |
425 |
4918 |
7839 |
1146 |
| VODI |
0 |
39 |
0 |
226 |
425 |
4918 |
7839 |
1146 |
| ODI |
0 |
39 |
0 |
226 |
425 |
4918 |
7839 |
1146 |
| CDI |
0 |
39 |
0 |
226 |
425 |
4918 |
7839 |
1146 |
| VCDI |
0 |
39 |
0 |
226 |
425 |
4918 |
7839 |
1146 |
|
Date: 2025-10-25:
| Forecast |
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
0 |
39 |
0 |
226 |
425 |
4918 |
7839 |
1146 |
| OW |
0 |
39 |
0 |
226 |
425 |
4918 |
7839 |
1146 |
| VODI |
0 |
39 |
0 |
226 |
425 |
4918 |
7839 |
1146 |
| ODI |
0 |
39 |
0 |
226 |
425 |
4918 |
7839 |
1146 |
| CDI |
0 |
39 |
0 |
226 |
425 |
4918 |
7839 |
1146 |
| VCDI |
0 |
39 |
0 |
226 |
425 |
4918 |
7839 |
1146 |
|
Date: 2025-10-27:
| Forecast |
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
0 |
39 |
0 |
226 |
425 |
4918 |
7839 |
1146 |
| OW |
0 |
39 |
0 |
226 |
425 |
4918 |
7839 |
1146 |
| VODI |
0 |
39 |
0 |
226 |
425 |
4918 |
7839 |
1146 |
| ODI |
0 |
39 |
0 |
226 |
425 |
4918 |
7839 |
1146 |
| CDI |
0 |
39 |
0 |
226 |
425 |
4918 |
7839 |
1146 |
| VCDI |
0 |
39 |
0 |
226 |
425 |
4918 |
7839 |
1146 |
|
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