Validation of sea ice concentration - Asian sector
Bulletin date: 2025-09-11
Data source: OSI SAF N.H. AMSR sea ice concentration
Model vs. observations, sea ice class contingency tables
Date: 2025-09-05:
| Best estimate |
Forecast |
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
11536 |
4347 |
19 |
1 |
0 |
0 |
0 |
0 |
| OW |
0 |
1638 |
287 |
157 |
9 |
0 |
0 |
0 |
| VODI |
0 |
198 |
331 |
1742 |
577 |
8 |
0 |
0 |
| ODI |
0 |
0 |
0 |
478 |
4879 |
1634 |
0 |
0 |
| CDI |
0 |
0 |
0 |
0 |
769 |
3472 |
0 |
0 |
| VCDI |
0 |
0 |
0 |
0 |
0 |
0 |
0 |
0 |
|
...date precedes bulletin
|
Date: 2025-09-07:
| Best estimate |
Forecast |
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
11539 |
4042 |
6 |
0 |
0 |
0 |
0 |
0 |
| OW |
0 |
1680 |
234 |
171 |
10 |
0 |
0 |
0 |
| VODI |
0 |
263 |
343 |
1734 |
634 |
29 |
0 |
0 |
| ODI |
0 |
0 |
1 |
514 |
4027 |
1785 |
0 |
0 |
| CDI |
0 |
0 |
0 |
3 |
942 |
4115 |
10 |
0 |
| VCDI |
0 |
0 |
0 |
0 |
0 |
0 |
0 |
0 |
|
...date precedes bulletin
|
Date: 2025-09-09:
| Best estimate |
Forecast |
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
11578 |
4075 |
3 |
1 |
0 |
0 |
0 |
0 |
| OW |
0 |
1573 |
242 |
255 |
62 |
0 |
0 |
0 |
| VODI |
0 |
226 |
313 |
1561 |
698 |
52 |
0 |
0 |
| ODI |
0 |
1 |
8 |
532 |
2984 |
2237 |
1 |
0 |
| CDI |
0 |
0 |
0 |
2 |
1206 |
4467 |
5 |
0 |
| VCDI |
0 |
0 |
0 |
0 |
0 |
0 |
0 |
0 |
|
...date precedes bulletin
|
Date: 2025-09-11:
| Best estimate |
Forecast |
|
...observations not yet available
|
...observations not yet available
|
Date: 2025-09-13:
| Best estimate |
Forecast |
|
...observations not yet available
|
...observations not yet available
|
Date: 2025-09-15:
| Best estimate |
Forecast |
|
...observations not yet available
|
...observations not yet available
|
Date: 2025-09-17:
| Best estimate |
Forecast |
|
...observations not yet available
|
...observations not yet available
|
Date: 2025-09-19:
| Best estimate |
Forecast |
|
...observations not yet available
|
...observations not yet available
|
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