Validation of sea ice concentration - Asian sector
Bulletin date: 2025-07-03
Data source: OSI SAF N.H. AMSR sea ice concentration
Model vs. observations, sea ice class contingency tables
Date: 2025-06-27:
| 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 |
1123 |
3068 |
28 |
22 |
11 |
1 |
0 |
0 |
| OW |
1 |
1661 |
165 |
111 |
15 |
7 |
1 |
0 |
| VODI |
0 |
422 |
363 |
723 |
330 |
102 |
21 |
0 |
| ODI |
0 |
31 |
73 |
385 |
810 |
674 |
70 |
0 |
| CDI |
0 |
2 |
14 |
222 |
1411 |
5462 |
2152 |
0 |
| VCDI |
0 |
0 |
0 |
0 |
88 |
2634 |
9774 |
105 |
|
...date precedes bulletin
|
Date: 2025-06-29:
| 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 |
1226 |
3098 |
23 |
24 |
9 |
5 |
0 |
0 |
| OW |
1 |
1627 |
194 |
180 |
26 |
8 |
0 |
0 |
| VODI |
0 |
428 |
260 |
575 |
299 |
149 |
20 |
0 |
| ODI |
0 |
89 |
112 |
379 |
980 |
657 |
87 |
0 |
| CDI |
0 |
6 |
14 |
257 |
1535 |
6160 |
1649 |
0 |
| VCDI |
0 |
0 |
0 |
0 |
83 |
2624 |
9062 |
236 |
|
...date precedes bulletin
|
Date: 2025-07-01:
| 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 |
1245 |
3358 |
29 |
31 |
13 |
5 |
1 |
0 |
| OW |
1 |
1427 |
265 |
239 |
61 |
54 |
3 |
0 |
| VODI |
0 |
356 |
168 |
454 |
257 |
202 |
17 |
0 |
| ODI |
0 |
144 |
125 |
431 |
1081 |
806 |
79 |
0 |
| CDI |
0 |
14 |
26 |
282 |
1645 |
5855 |
2057 |
0 |
| VCDI |
0 |
0 |
1 |
17 |
206 |
2901 |
7671 |
555 |
|
...date precedes bulletin
|
Date: 2025-07-03:
| Best estimate |
Forecast |
|
...observations not yet available
|
...observations not yet available
|
Date: 2025-07-05:
| Best estimate |
Forecast |
|
...observations not yet available
|
...observations not yet available
|
Date: 2025-07-07:
| Best estimate |
Forecast |
|
...observations not yet available
|
...observations not yet available
|
Date: 2025-07-09:
| Best estimate |
Forecast |
|
...observations not yet available
|
...observations not yet available
|
Date: 2025-07-11:
| Best estimate |
Forecast |
|
...observations not yet available
|
...observations not yet available
|
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