Validation of sea ice concentration - Asian sector
Bulletin date: 2025-10-07
Data source: OSI SAF N.H. sea ice concentration
Model vs. observations, sea ice class contingency tables
Date: 2025-10-07:
| Forecast |
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
9071 |
5963 |
15 |
75 |
2 |
0 |
0 |
0 |
| OW |
4 |
236 |
2 |
16 |
6 |
0 |
0 |
0 |
| VODI |
3 |
423 |
11 |
34 |
31 |
2 |
0 |
0 |
| ODI |
0 |
655 |
19 |
161 |
38 |
8 |
0 |
0 |
| CDI |
0 |
408 |
29 |
456 |
376 |
196 |
59 |
0 |
| VCDI |
0 |
37 |
17 |
149 |
759 |
5957 |
7028 |
0 |
|
Date: 2025-10-09:
| Forecast |
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
10148 |
4960 |
6 |
58 |
26 |
14 |
0 |
0 |
| OW |
1 |
198 |
0 |
18 |
3 |
3 |
1 |
0 |
| VODI |
0 |
366 |
7 |
45 |
16 |
14 |
1 |
0 |
| ODI |
0 |
568 |
14 |
115 |
31 |
7 |
12 |
0 |
| CDI |
0 |
529 |
23 |
349 |
312 |
343 |
267 |
4 |
| VCDI |
0 |
130 |
10 |
183 |
760 |
6340 |
6126 |
238 |
|
Date: 2025-10-11:
| Forecast |
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
10306 |
5098 |
8 |
58 |
37 |
28 |
8 |
0 |
| OW |
0 |
201 |
2 |
15 |
4 |
4 |
2 |
0 |
| VODI |
0 |
439 |
4 |
26 |
7 |
7 |
7 |
0 |
| ODI |
0 |
596 |
13 |
132 |
22 |
6 |
17 |
0 |
| CDI |
0 |
433 |
33 |
322 |
217 |
311 |
256 |
0 |
| VCDI |
0 |
204 |
10 |
309 |
820 |
6187 |
5981 |
116 |
|
Date: 2025-10-13:
| Forecast |
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
9378 |
5990 |
21 |
167 |
50 |
1 |
0 |
0 |
| OW |
0 |
228 |
2 |
11 |
12 |
1 |
0 |
0 |
| VODI |
0 |
479 |
8 |
22 |
12 |
7 |
0 |
0 |
| ODI |
0 |
529 |
9 |
118 |
42 |
22 |
9 |
0 |
| CDI |
0 |
476 |
29 |
207 |
216 |
282 |
367 |
0 |
| VCDI |
0 |
302 |
10 |
421 |
813 |
4603 |
7401 |
1 |
|
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