Validation of sea ice concentration - Asian sector
Bulletin date: 2025-06-12
Data source: OSI SAF N.H. AMSR sea ice concentration
Model vs. observations, sea ice class contingency tables
Date: 2025-06-06:
| 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 |
89 |
1133 |
10 |
6 |
0 |
1 |
0 |
0 |
| OW |
0 |
1554 |
105 |
76 |
22 |
3 |
2 |
0 |
| VODI |
0 |
608 |
239 |
415 |
253 |
43 |
21 |
0 |
| ODI |
0 |
72 |
102 |
487 |
1067 |
406 |
139 |
0 |
| CDI |
0 |
5 |
24 |
188 |
1160 |
3747 |
1351 |
14 |
| VCDI |
0 |
0 |
0 |
4 |
68 |
1152 |
11386 |
6130 |
|
...date precedes bulletin
|
Date: 2025-06-08:
| 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 |
116 |
1116 |
10 |
15 |
0 |
0 |
1 |
0 |
| OW |
0 |
1626 |
84 |
43 |
12 |
5 |
1 |
0 |
| VODI |
0 |
739 |
277 |
480 |
222 |
38 |
18 |
0 |
| ODI |
7 |
133 |
123 |
576 |
1223 |
440 |
127 |
0 |
| CDI |
0 |
17 |
41 |
227 |
1155 |
3502 |
1464 |
7 |
| VCDI |
0 |
0 |
0 |
11 |
70 |
1845 |
8441 |
7870 |
|
...date precedes bulletin
|
Date: 2025-06-10:
| 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 |
178 |
1369 |
11 |
18 |
5 |
0 |
1 |
0 |
| OW |
0 |
1514 |
111 |
106 |
30 |
10 |
3 |
0 |
| VODI |
0 |
681 |
281 |
499 |
170 |
54 |
59 |
0 |
| ODI |
0 |
139 |
118 |
564 |
1122 |
498 |
162 |
0 |
| CDI |
0 |
36 |
55 |
307 |
1137 |
4105 |
2880 |
8 |
| VCDI |
0 |
0 |
1 |
26 |
178 |
721 |
6797 |
8128 |
|
...date precedes bulletin
|
Date: 2025-06-12:
| Best estimate |
Forecast |
|
...observations not yet available
|
...observations not yet available
|
Date: 2025-06-14:
| Best estimate |
Forecast |
|
...observations not yet available
|
...observations not yet available
|
Date: 2025-06-16:
| Best estimate |
Forecast |
|
...observations not yet available
|
...observations not yet available
|
Date: 2025-06-18:
| Best estimate |
Forecast |
|
...observations not yet available
|
...observations not yet available
|
Date: 2025-06-20:
| Best estimate |
Forecast |
|
...observations not yet available
|
...observations not yet available
|
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