Validation of sea ice concentration - Asian sector
Bulletin date: 2025-06-26
Data source: OSI SAF N.H. AMSR sea ice concentration
Model vs. observations, sea ice class contingency tables
Date: 2025-06-20:
| 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 |
265 |
2681 |
35 |
20 |
0 |
0 |
0 |
0 |
| OW |
17 |
1479 |
155 |
109 |
21 |
3 |
0 |
0 |
| VODI |
0 |
757 |
358 |
750 |
389 |
43 |
11 |
0 |
| ODI |
0 |
74 |
88 |
417 |
918 |
396 |
93 |
0 |
| CDI |
0 |
39 |
45 |
232 |
995 |
2998 |
1099 |
0 |
| VCDI |
0 |
0 |
1 |
17 |
119 |
2925 |
10629 |
3904 |
|
...date precedes bulletin
|
Date: 2025-06-22:
| 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 |
323 |
2709 |
21 |
15 |
1 |
0 |
0 |
0 |
| OW |
15 |
1554 |
158 |
131 |
16 |
8 |
0 |
0 |
| VODI |
0 |
832 |
325 |
781 |
410 |
58 |
11 |
0 |
| ODI |
0 |
97 |
109 |
398 |
790 |
437 |
79 |
0 |
| CDI |
0 |
28 |
44 |
271 |
1414 |
2947 |
1320 |
2 |
| VCDI |
0 |
0 |
0 |
13 |
497 |
3333 |
10112 |
2823 |
|
...date precedes bulletin
|
Date: 2025-06-24:
| 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 |
812 |
2709 |
38 |
21 |
7 |
3 |
0 |
0 |
| OW |
0 |
1353 |
199 |
194 |
36 |
2 |
1 |
0 |
| VODI |
0 |
617 |
285 |
665 |
446 |
73 |
17 |
0 |
| ODI |
0 |
110 |
97 |
359 |
680 |
496 |
92 |
0 |
| CDI |
0 |
29 |
55 |
293 |
1459 |
4466 |
3649 |
4 |
| VCDI |
0 |
0 |
0 |
1 |
1234 |
2666 |
7579 |
1335 |
|
...date precedes bulletin
|
Date: 2025-06-26:
| Best estimate |
Forecast |
|
...observations not yet available
|
...observations not yet available
|
Date: 2025-06-28:
| Best estimate |
Forecast |
|
...observations not yet available
|
...observations not yet available
|
Date: 2025-06-30:
| Best estimate |
Forecast |
|
...observations not yet available
|
...observations not yet available
|
Date: 2025-07-02:
| Best estimate |
Forecast |
|
...observations not yet available
|
...observations not yet available
|
Date: 2025-07-04:
| Best estimate |
Forecast |
|
...observations not yet available
|
...observations not yet available
|
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