Validation of sea ice concentration - Asian sector
Bulletin date: 2025-08-05
Data source: OSI SAF N.H. sea ice concentration
Model vs. observations, sea ice class contingency tables
Date: 2025-08-05:
| Forecast |
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
6622 |
5914 |
5 |
53 |
14 |
2 |
0 |
0 |
| OW |
12 |
800 |
14 |
60 |
22 |
1 |
0 |
0 |
| VODI |
7 |
1155 |
39 |
227 |
120 |
67 |
3 |
0 |
| ODI |
0 |
1014 |
77 |
649 |
1045 |
994 |
14 |
0 |
| CDI |
0 |
387 |
36 |
700 |
2793 |
4487 |
86 |
0 |
| VCDI |
0 |
17 |
3 |
105 |
1186 |
3118 |
398 |
0 |
|
Date: 2025-08-07:
| Forecast |
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
6759 |
7882 |
40 |
319 |
100 |
30 |
0 |
0 |
| OW |
0 |
198 |
8 |
100 |
50 |
22 |
0 |
0 |
| VODI |
0 |
263 |
15 |
186 |
167 |
106 |
1 |
0 |
| ODI |
0 |
678 |
40 |
469 |
933 |
1079 |
30 |
0 |
| CDI |
0 |
309 |
36 |
648 |
2414 |
4256 |
129 |
0 |
| VCDI |
0 |
19 |
7 |
121 |
1162 |
3521 |
149 |
0 |
|
Date: 2025-08-09:
| Forecast |
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
7146 |
8136 |
60 |
449 |
132 |
16 |
0 |
0 |
| OW |
0 |
145 |
4 |
77 |
64 |
15 |
0 |
0 |
| VODI |
0 |
253 |
13 |
206 |
198 |
82 |
0 |
0 |
| ODI |
0 |
551 |
30 |
446 |
1073 |
765 |
4 |
0 |
| CDI |
0 |
348 |
38 |
578 |
3027 |
3229 |
48 |
0 |
| VCDI |
0 |
27 |
5 |
177 |
1660 |
2911 |
333 |
0 |
|
Date: 2025-08-11:
| Forecast |
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
7321 |
8295 |
66 |
532 |
240 |
13 |
0 |
0 |
| OW |
0 |
84 |
5 |
66 |
75 |
15 |
1 |
0 |
| VODI |
0 |
170 |
10 |
174 |
213 |
71 |
3 |
0 |
| ODI |
0 |
479 |
24 |
400 |
1023 |
718 |
3 |
0 |
| CDI |
0 |
326 |
31 |
517 |
2822 |
3280 |
42 |
0 |
| VCDI |
0 |
42 |
8 |
180 |
1690 |
3180 |
127 |
0 |
|
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