Validation of sea ice concentration - Asian sector
Bulletin date: 2025-11-04
Data source: OSI SAF N.H. sea ice concentration
Model vs. observations, sea ice class contingency tables
Date: 2025-11-04:
| Forecast |
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
4884 |
1197 |
0 |
0 |
0 |
0 |
0 |
0 |
| OW |
152 |
517 |
0 |
0 |
0 |
0 |
0 |
0 |
| VODI |
202 |
511 |
2 |
2 |
0 |
0 |
0 |
0 |
| ODI |
89 |
220 |
11 |
54 |
15 |
4 |
1 |
0 |
| CDI |
7 |
165 |
11 |
114 |
68 |
97 |
70 |
5 |
| VCDI |
0 |
48 |
6 |
104 |
544 |
4117 |
13445 |
5583 |
|
Date: 2025-11-06:
| Forecast |
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
3244 |
1414 |
2 |
3 |
0 |
0 |
0 |
0 |
| OW |
105 |
139 |
1 |
6 |
0 |
0 |
0 |
0 |
| VODI |
186 |
382 |
3 |
17 |
0 |
0 |
0 |
0 |
| ODI |
229 |
949 |
13 |
97 |
9 |
3 |
0 |
0 |
| CDI |
93 |
653 |
17 |
206 |
79 |
23 |
53 |
7 |
| VCDI |
13 |
55 |
6 |
124 |
369 |
2390 |
12737 |
8618 |
|
Date: 2025-11-08:
| Forecast |
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
2093 |
2019 |
1 |
27 |
1 |
0 |
0 |
0 |
| OW |
102 |
149 |
0 |
9 |
7 |
0 |
0 |
0 |
| VODI |
134 |
282 |
0 |
24 |
11 |
1 |
0 |
0 |
| ODI |
71 |
578 |
2 |
23 |
26 |
7 |
0 |
0 |
| CDI |
3 |
983 |
14 |
253 |
204 |
80 |
84 |
11 |
| VCDI |
0 |
420 |
9 |
206 |
288 |
1328 |
13481 |
9314 |
|
Date: 2025-11-10:
| Forecast |
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
2033 |
1868 |
10 |
67 |
3 |
0 |
0 |
0 |
| OW |
18 |
154 |
2 |
31 |
7 |
0 |
0 |
0 |
| VODI |
38 |
267 |
6 |
71 |
24 |
1 |
0 |
0 |
| ODI |
42 |
400 |
3 |
102 |
55 |
12 |
2 |
0 |
| CDI |
31 |
586 |
8 |
231 |
207 |
111 |
47 |
13 |
| VCDI |
37 |
433 |
9 |
236 |
701 |
1834 |
12068 |
10477 |
|
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