Validation of sea ice concentration - Asian sector
Bulletin date: 2025-08-07
Data source: OSI SAF N.H. AMSR sea ice concentration
Model vs. observations, sea ice class contingency tables
Date: 2025-08-01:
| 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 |
5111 |
6979 |
58 |
9 |
2 |
0 |
0 |
0 |
| OW |
0 |
2212 |
418 |
320 |
15 |
0 |
0 |
0 |
| VODI |
0 |
209 |
295 |
1332 |
591 |
12 |
0 |
0 |
| ODI |
0 |
2 |
6 |
285 |
3084 |
4925 |
87 |
0 |
| CDI |
0 |
0 |
0 |
23 |
1032 |
4715 |
360 |
0 |
| VCDI |
0 |
0 |
0 |
0 |
0 |
0 |
0 |
0 |
|
...date precedes bulletin
|
Date: 2025-08-03:
| 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 |
6254 |
5803 |
49 |
10 |
2 |
0 |
0 |
0 |
| OW |
89 |
2274 |
327 |
283 |
19 |
0 |
0 |
0 |
| VODI |
0 |
399 |
317 |
1317 |
694 |
6 |
0 |
0 |
| ODI |
0 |
7 |
15 |
418 |
3410 |
5247 |
66 |
0 |
| CDI |
0 |
0 |
0 |
46 |
706 |
4201 |
123 |
0 |
| VCDI |
0 |
0 |
0 |
0 |
0 |
0 |
0 |
0 |
|
...date precedes bulletin
|
Date: 2025-08-05:
| 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 |
6575 |
5947 |
40 |
16 |
3 |
0 |
0 |
0 |
| OW |
67 |
2060 |
304 |
353 |
37 |
1 |
0 |
0 |
| VODI |
0 |
517 |
327 |
929 |
805 |
60 |
0 |
0 |
| ODI |
0 |
15 |
31 |
456 |
3340 |
4776 |
104 |
0 |
| CDI |
0 |
0 |
0 |
55 |
989 |
3913 |
362 |
0 |
| VCDI |
0 |
0 |
0 |
0 |
0 |
0 |
0 |
0 |
|
...date precedes bulletin
|
Date: 2025-08-07:
| Best estimate |
Forecast |
|
...observations not yet available
|
...observations not yet available
|
Date: 2025-08-09:
| Best estimate |
Forecast |
|
...observations not yet available
|
...observations not yet available
|
Date: 2025-08-11:
| Best estimate |
Forecast |
|
...observations not yet available
|
...observations not yet available
|
Date: 2025-08-13:
| Best estimate |
Forecast |
|
...observations not yet available
|
...observations not yet available
|
Date: 2025-08-15:
| Best estimate |
Forecast |
|
...observations not yet available
|
...observations not yet available
|
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