Validation of sea ice concentration - Asian sector
Bulletin date: 2025-09-09
Data source: OSI SAF N.H. sea ice concentration
Model vs. observations, sea ice class contingency tables
Date: 2025-09-09:
| Forecast |
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
11604 |
4822 |
0 |
22 |
9 |
0 |
0 |
0 |
| OW |
0 |
293 |
7 |
40 |
9 |
0 |
0 |
0 |
| VODI |
0 |
703 |
33 |
214 |
68 |
1 |
0 |
0 |
| ODI |
0 |
557 |
75 |
980 |
653 |
258 |
0 |
0 |
| CDI |
0 |
113 |
33 |
1047 |
2763 |
2819 |
5 |
0 |
| VCDI |
0 |
3 |
0 |
29 |
1378 |
3697 |
11 |
0 |
|
Date: 2025-09-11:
| Forecast |
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
11616 |
5385 |
24 |
108 |
22 |
0 |
0 |
0 |
| OW |
0 |
242 |
10 |
63 |
16 |
0 |
0 |
0 |
| VODI |
0 |
405 |
12 |
192 |
68 |
5 |
0 |
0 |
| ODI |
0 |
315 |
34 |
710 |
442 |
160 |
3 |
0 |
| CDI |
0 |
106 |
26 |
827 |
1373 |
2231 |
269 |
0 |
| VCDI |
0 |
13 |
1 |
63 |
906 |
5956 |
643 |
0 |
|
Date: 2025-09-13:
| Forecast |
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
11665 |
5506 |
19 |
240 |
44 |
3 |
0 |
0 |
| OW |
0 |
185 |
5 |
66 |
36 |
0 |
0 |
0 |
| VODI |
0 |
243 |
12 |
155 |
112 |
10 |
0 |
0 |
| ODI |
0 |
292 |
16 |
430 |
331 |
110 |
6 |
0 |
| CDI |
0 |
141 |
29 |
792 |
962 |
1269 |
286 |
0 |
| VCDI |
0 |
9 |
0 |
180 |
1131 |
6474 |
1487 |
0 |
|
Date: 2025-09-15:
| Forecast |
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
11659 |
5707 |
35 |
346 |
135 |
36 |
0 |
0 |
| OW |
0 |
108 |
6 |
55 |
34 |
11 |
0 |
0 |
| VODI |
0 |
173 |
6 |
124 |
71 |
29 |
2 |
0 |
| ODI |
0 |
229 |
15 |
370 |
226 |
145 |
44 |
0 |
| CDI |
0 |
152 |
20 |
617 |
901 |
1239 |
333 |
0 |
| VCDI |
0 |
20 |
3 |
97 |
655 |
6595 |
2048 |
0 |
|
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