Validation of sea ice concentration - Asian sector
Bulletin date: 2025-07-10
Data source: OSI SAF N.H. AMSR sea ice concentration
Model vs. observations, sea ice class contingency tables
Date: 2025-07-04:
| 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 |
1340 |
3697 |
36 |
46 |
29 |
6 |
0 |
0 |
| OW |
17 |
1457 |
201 |
172 |
59 |
43 |
0 |
0 |
| VODI |
0 |
299 |
241 |
699 |
400 |
89 |
7 |
0 |
| ODI |
0 |
40 |
25 |
421 |
1808 |
712 |
18 |
0 |
| CDI |
0 |
14 |
26 |
196 |
2214 |
6145 |
744 |
0 |
| VCDI |
0 |
0 |
0 |
3 |
38 |
2704 |
8136 |
0 |
|
...date precedes bulletin
|
Date: 2025-07-06:
| 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 |
1141 |
4036 |
55 |
46 |
30 |
13 |
2 |
0 |
| OW |
87 |
1395 |
166 |
134 |
59 |
46 |
4 |
0 |
| VODI |
0 |
369 |
251 |
687 |
411 |
135 |
10 |
0 |
| ODI |
0 |
47 |
57 |
459 |
1940 |
707 |
7 |
0 |
| CDI |
0 |
42 |
27 |
244 |
2242 |
6524 |
646 |
0 |
| VCDI |
0 |
0 |
0 |
1 |
26 |
2623 |
7227 |
186 |
|
...date precedes bulletin
|
Date: 2025-07-08:
| 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 |
1341 |
4571 |
69 |
73 |
46 |
27 |
5 |
0 |
| OW |
80 |
1102 |
143 |
150 |
46 |
38 |
1 |
0 |
| VODI |
0 |
318 |
242 |
597 |
450 |
63 |
0 |
0 |
| ODI |
0 |
85 |
92 |
610 |
1341 |
462 |
2 |
0 |
| CDI |
0 |
58 |
48 |
304 |
2563 |
6553 |
515 |
0 |
| VCDI |
0 |
2 |
1 |
12 |
63 |
6849 |
3160 |
0 |
|
...date precedes bulletin
|
Date: 2025-07-10:
| Best estimate |
Forecast |
|
...observations not yet available
|
...observations not yet available
|
Date: 2025-07-12:
| Best estimate |
Forecast |
|
...observations not yet available
|
...observations not yet available
|
Date: 2025-07-14:
| Best estimate |
Forecast |
|
...observations not yet available
|
...observations not yet available
|
Date: 2025-07-16:
| Best estimate |
Forecast |
|
...observations not yet available
|
...observations not yet available
|
Date: 2025-07-18:
| Best estimate |
Forecast |
|
...observations not yet available
|
...observations not yet available
|
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